/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-send-receive-alt.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.3.0-dev-4cc0a57-m [2025-04-14 16:43:17,230 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-14 16:43:17,284 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 16:43:17,287 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-14 16:43:17,287 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-14 16:43:17,313 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-14 16:43:17,313 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-14 16:43:17,313 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-14 16:43:17,314 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-04-14 16:43:17,314 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-04-14 16:43:17,314 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-14 16:43:17,314 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-14 16:43:17,314 INFO L153 SettingsManager]: * Use SBE=true [2025-04-14 16:43:17,314 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-14 16:43:17,314 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-04-14 16:43:17,314 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-14 16:43:17,314 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-14 16:43:17,315 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-14 16:43:17,316 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-14 16:43:17,316 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-04-14 16:43:17,316 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-04-14 16:43:17,316 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-04-14 16:43:17,316 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-14 16:43:17,316 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-14 16:43:17,316 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-04-14 16:43:17,316 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-14 16:43:17,316 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-04-14 16:43:17,316 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-14 16:43:17,316 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-14 16:43:17,316 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-14 16:43:17,317 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-14 16:43:17,317 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-14 16:43:17,317 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-14 16:43:17,317 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-14 16:43:17,317 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-14 16:43:17,317 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-14 16:43:17,317 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-14 16:43:17,317 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-04-14 16:43:17,317 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-04-14 16:43:17,317 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-04-14 16:43:17,317 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-04-14 16:43:17,317 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-14 16:43:17,317 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-04-14 16:43:17,317 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-14 16:43:17,318 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-04-14 16:43:17,318 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-04-14 16:43:17,318 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-04-14 16:43:17,318 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 16:43:17,529 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-14 16:43:17,537 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-14 16:43:17,539 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-14 16:43:17,540 INFO L270 PluginConnector]: Initializing CDTParser... [2025-04-14 16:43:17,540 INFO L274 PluginConnector]: CDTParser initialized [2025-04-14 16:43:17,541 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-send-receive-alt.wvr.c [2025-04-14 16:43:18,852 INFO L538 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4d70188b/1c444a1f52934e278e9dfd4cf365f7dc/FLAG9a2cc29b6 [2025-04-14 16:43:19,066 INFO L389 CDTParser]: Found 1 translation units. [2025-04-14 16:43:19,066 INFO L178 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-send-receive-alt.wvr.c [2025-04-14 16:43:19,073 INFO L432 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4d70188b/1c444a1f52934e278e9dfd4cf365f7dc/FLAG9a2cc29b6 [2025-04-14 16:43:19,904 INFO L440 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4d70188b/1c444a1f52934e278e9dfd4cf365f7dc [2025-04-14 16:43:19,906 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-14 16:43:19,907 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-04-14 16:43:19,908 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-04-14 16:43:19,908 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-04-14 16:43:19,911 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-04-14 16:43:19,912 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.04 04:43:19" (1/1) ... [2025-04-14 16:43:19,912 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43c92210 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 04:43:19, skipping insertion in model container [2025-04-14 16:43:19,912 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.04 04:43:19" (1/1) ... [2025-04-14 16:43:19,924 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-04-14 16:43:20,070 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-send-receive-alt.wvr.c[2676,2689] [2025-04-14 16:43:20,080 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-14 16:43:20,091 INFO L200 MainTranslator]: Completed pre-run [2025-04-14 16:43:20,120 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-send-receive-alt.wvr.c[2676,2689] [2025-04-14 16:43:20,123 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-14 16:43:20,141 INFO L204 MainTranslator]: Completed translation [2025-04-14 16:43:20,142 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 04:43:20 WrapperNode [2025-04-14 16:43:20,142 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-04-14 16:43:20,143 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-14 16:43:20,143 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-14 16:43:20,143 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-14 16:43:20,152 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 04:43:20" (1/1) ... [2025-04-14 16:43:20,163 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 04:43:20" (1/1) ... [2025-04-14 16:43:20,184 INFO L138 Inliner]: procedures = 23, calls = 27, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 134 [2025-04-14 16:43:20,185 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-14 16:43:20,185 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-14 16:43:20,185 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-14 16:43:20,185 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-14 16:43:20,192 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 04:43:20" (1/1) ... [2025-04-14 16:43:20,193 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 04:43:20" (1/1) ... [2025-04-14 16:43:20,196 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 04:43:20" (1/1) ... [2025-04-14 16:43:20,196 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 04:43:20" (1/1) ... [2025-04-14 16:43:20,207 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 04:43:20" (1/1) ... [2025-04-14 16:43:20,208 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 04:43:20" (1/1) ... [2025-04-14 16:43:20,209 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 04:43:20" (1/1) ... [2025-04-14 16:43:20,210 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 04:43:20" (1/1) ... [2025-04-14 16:43:20,213 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-14 16:43:20,214 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-04-14 16:43:20,214 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-04-14 16:43:20,214 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-04-14 16:43:20,215 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 04:43:20" (1/1) ... [2025-04-14 16:43:20,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-14 16:43:20,230 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 16:43:20,242 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 16:43:20,244 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 16:43:20,259 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-04-14 16:43:20,259 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-04-14 16:43:20,259 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-04-14 16:43:20,259 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-04-14 16:43:20,259 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-04-14 16:43:20,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-04-14 16:43:20,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-04-14 16:43:20,259 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-04-14 16:43:20,259 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-04-14 16:43:20,259 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-04-14 16:43:20,259 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-14 16:43:20,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-14 16:43:20,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-04-14 16:43:20,260 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 16:43:20,334 INFO L256 CfgBuilder]: Building ICFG [2025-04-14 16:43:20,335 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-14 16:43:20,529 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-14 16:43:20,529 INFO L307 CfgBuilder]: Performing block encoding [2025-04-14 16:43:20,660 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-14 16:43:20,660 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-04-14 16:43:20,660 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.04 04:43:20 BoogieIcfgContainer [2025-04-14 16:43:20,660 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-04-14 16:43:20,663 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-04-14 16:43:20,663 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-04-14 16:43:20,667 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-04-14 16:43:20,667 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.04 04:43:19" (1/3) ... [2025-04-14 16:43:20,668 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ce7f750 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.04 04:43:20, skipping insertion in model container [2025-04-14 16:43:20,668 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 04:43:20" (2/3) ... [2025-04-14 16:43:20,669 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ce7f750 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.04 04:43:20, skipping insertion in model container [2025-04-14 16:43:20,669 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.04 04:43:20" (3/3) ... [2025-04-14 16:43:20,669 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-send-receive-alt.wvr.c [2025-04-14 16:43:20,680 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-04-14 16:43:20,682 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-send-receive-alt.wvr.c that has 3 procedures, 27 locations, 30 edges, 1 initial locations, 3 loop locations, and 1 error locations. [2025-04-14 16:43:20,683 INFO L490 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-04-14 16:43:20,725 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-04-14 16:43:20,756 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-14 16:43:20,758 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-04-14 16:43:20,758 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 16:43:20,760 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 16:43:20,762 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 16:43:20,822 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-04-14 16:43:20,845 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2025-04-14 16:43:20,850 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;@72fe3b10, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-14 16:43:20,850 INFO L341 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2025-04-14 16:43:20,965 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-14 16:43:20,965 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 16:43:20,965 INFO L139 ounterexampleChecker]: Examining path program with hash 2143408329, occurence #1 [2025-04-14 16:43:20,965 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 16:43:20,965 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 16:43:20,969 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:43:20,969 INFO L85 PathProgramCache]: Analyzing trace with hash -1415374504, now seen corresponding path program 1 times [2025-04-14 16:43:20,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 16:43:20,975 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610573602] [2025-04-14 16:43:20,975 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:43:20,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:43:21,030 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-04-14 16:43:21,050 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-04-14 16:43:21,050 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:43:21,050 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:43:21,098 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 16:43:21,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 16:43:21,099 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610573602] [2025-04-14 16:43:21,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [610573602] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 16:43:21,099 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 16:43:21,099 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-04-14 16:43:21,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109852096] [2025-04-14 16:43:21,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 16:43:21,103 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-04-14 16:43:21,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 16:43:21,123 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-04-14 16:43:21,123 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-04-14 16:43:21,124 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:43:21,125 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 16:43:21,128 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 16:43:21,128 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:43:21,190 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:43:21,191 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-04-14 16:43:21,191 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-14 16:43:21,191 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 16:43:21,191 INFO L139 ounterexampleChecker]: Examining path program with hash 1018701875, occurence #1 [2025-04-14 16:43:21,191 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 16:43:21,191 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 16:43:21,191 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:43:21,192 INFO L85 PathProgramCache]: Analyzing trace with hash -821347188, now seen corresponding path program 1 times [2025-04-14 16:43:21,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 16:43:21,192 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996907706] [2025-04-14 16:43:21,192 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:43:21,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:43:21,198 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-04-14 16:43:21,208 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-04-14 16:43:21,208 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:43:21,208 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:43:21,314 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 16:43:21,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 16:43:21,314 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996907706] [2025-04-14 16:43:21,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [996907706] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 16:43:21,314 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 16:43:21,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-04-14 16:43:21,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529411205] [2025-04-14 16:43:21,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 16:43:21,315 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-14 16:43:21,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 16:43:21,315 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-14 16:43:21,315 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-14 16:43:21,316 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:43:21,316 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 16:43:21,316 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 2 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 16:43:21,316 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:43:21,316 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:43:21,453 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:43:21,454 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:43:21,455 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-04-14 16:43:21,455 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-14 16:43:21,455 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 16:43:21,455 INFO L139 ounterexampleChecker]: Examining path program with hash 557239084, occurence #1 [2025-04-14 16:43:21,455 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 16:43:21,455 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 16:43:21,455 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:43:21,455 INFO L85 PathProgramCache]: Analyzing trace with hash -464747142, now seen corresponding path program 1 times [2025-04-14 16:43:21,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 16:43:21,455 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493101417] [2025-04-14 16:43:21,456 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:43:21,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:43:21,465 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-04-14 16:43:21,487 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-04-14 16:43:21,488 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:43:21,488 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:43:21,675 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 16:43:21,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 16:43:21,675 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [493101417] [2025-04-14 16:43:21,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [493101417] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 16:43:21,675 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 16:43:21,675 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-14 16:43:21,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105618415] [2025-04-14 16:43:21,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 16:43:21,676 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-04-14 16:43:21,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 16:43:21,677 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-04-14 16:43:21,677 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-04-14 16:43:21,677 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:43:21,677 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 16:43:21,677 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 16:43:21,677 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:43:21,677 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:43:21,678 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:43:21,724 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:43:21,724 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:43:21,724 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:43:21,724 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-04-14 16:43:21,724 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-14 16:43:21,724 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 16:43:21,725 INFO L139 ounterexampleChecker]: Examining path program with hash -1843533162, occurence #1 [2025-04-14 16:43:21,725 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 16:43:21,725 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 16:43:21,725 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:43:21,725 INFO L85 PathProgramCache]: Analyzing trace with hash 1706318398, now seen corresponding path program 1 times [2025-04-14 16:43:21,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 16:43:21,725 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561893094] [2025-04-14 16:43:21,725 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:43:21,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:43:21,734 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-04-14 16:43:21,740 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-04-14 16:43:21,740 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:43:21,740 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:43:21,786 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 16:43:21,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 16:43:21,787 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1561893094] [2025-04-14 16:43:21,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1561893094] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 16:43:21,787 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 16:43:21,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-04-14 16:43:21,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237045794] [2025-04-14 16:43:21,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 16:43:21,787 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-14 16:43:21,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 16:43:21,787 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-14 16:43:21,787 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-14 16:43:21,787 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:43:21,788 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 16:43:21,788 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 states have internal predecessors, (18), 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 16:43:21,788 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:43:21,788 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:43:21,788 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:43:21,788 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:43:21,894 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:43:21,894 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:43:21,894 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:43:21,895 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:43:21,895 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-04-14 16:43:21,895 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-14 16:43:21,895 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 16:43:21,895 INFO L139 ounterexampleChecker]: Examining path program with hash 557239084, occurence #2 [2025-04-14 16:43:21,895 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 16:43:21,896 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2025-04-14 16:43:21,896 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:43:21,896 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2025-04-14 16:43:21,907 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:43:21,907 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2025-04-14 16:43:21,907 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:43:21,907 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2025-04-14 16:43:21,941 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:43:21,942 INFO L85 PathProgramCache]: Analyzing trace with hash 1365095845, now seen corresponding path program 1 times [2025-04-14 16:43:21,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 16:43:21,942 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018036919] [2025-04-14 16:43:21,942 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:43:21,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:43:21,949 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-04-14 16:43:21,965 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-04-14 16:43:21,965 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:43:21,965 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-14 16:43:21,966 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-14 16:43:21,966 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-14 16:43:21,966 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2025-04-14 16:43:21,966 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:43:21,966 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2025-04-14 16:43:21,966 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:43:21,966 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2025-04-14 16:43:21,968 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:43:21,968 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2025-04-14 16:43:21,968 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:43:21,968 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 16:43:21,968 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 16:43:21,969 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:43:21,969 INFO L85 PathProgramCache]: Analyzing trace with hash 666346295, now seen corresponding path program 1 times [2025-04-14 16:43:21,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 16:43:21,969 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632187562] [2025-04-14 16:43:21,969 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:43:21,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:43:21,976 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-04-14 16:43:21,988 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-04-14 16:43:21,988 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:43:21,988 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:43:22,081 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 16:43:22,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 16:43:22,083 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632187562] [2025-04-14 16:43:22,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [632187562] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 16:43:22,083 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 16:43:22,083 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-14 16:43:22,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037302104] [2025-04-14 16:43:22,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 16:43:22,083 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-04-14 16:43:22,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 16:43:22,084 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-04-14 16:43:22,084 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-04-14 16:43:22,084 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:43:22,084 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 16:43:22,084 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 16:43:22,084 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:43:22,084 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:43:22,084 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:43:22,084 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:43:22,084 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:43:22,207 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:43:22,207 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:43:22,207 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:43:22,207 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:43:22,208 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:43:22,208 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable5 [2025-04-14 16:43:22,208 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-14 16:43:22,208 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 16:43:22,208 INFO L139 ounterexampleChecker]: Examining path program with hash -287939630, occurence #1 [2025-04-14 16:43:22,208 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 16:43:22,208 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 16:43:22,208 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:43:22,208 INFO L85 PathProgramCache]: Analyzing trace with hash 182959855, now seen corresponding path program 2 times [2025-04-14 16:43:22,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 16:43:22,208 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389927333] [2025-04-14 16:43:22,209 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 16:43:22,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:43:22,218 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 43 statements into 2 equivalence classes. [2025-04-14 16:43:22,235 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 43 of 43 statements. [2025-04-14 16:43:22,235 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-14 16:43:22,235 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:43:22,417 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-04-14 16:43:22,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 16:43:22,417 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389927333] [2025-04-14 16:43:22,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [389927333] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:43:22,417 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2096307338] [2025-04-14 16:43:22,417 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 16:43:22,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 16:43:22,418 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 16:43:22,422 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 16:43:22,423 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 16:43:22,467 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 43 statements into 2 equivalence classes. [2025-04-14 16:43:22,488 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 43 of 43 statements. [2025-04-14 16:43:22,488 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-14 16:43:22,488 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:43:22,490 INFO L256 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-04-14 16:43:22,493 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:43:22,622 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 15 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-04-14 16:43:22,622 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 16:43:22,801 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 15 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-04-14 16:43:22,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2096307338] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 16:43:22,801 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 16:43:22,801 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 6] total 15 [2025-04-14 16:43:22,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699075515] [2025-04-14 16:43:22,802 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 16:43:22,802 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-04-14 16:43:22,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 16:43:22,802 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-04-14 16:43:22,802 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2025-04-14 16:43:22,803 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:43:22,803 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 16:43:22,803 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 5.0) internal successors, (80), 15 states have internal predecessors, (80), 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 16:43:22,803 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:43:22,803 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:43:22,803 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:43:22,803 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:43:22,803 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:43:22,803 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:43:23,049 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:43:23,049 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:43:23,049 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:43:23,050 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:43:23,050 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:43:23,050 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 16:43:23,057 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 16:43:23,251 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2025-04-14 16:43:23,251 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-14 16:43:23,251 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 16:43:23,251 INFO L139 ounterexampleChecker]: Examining path program with hash 1144781903, occurence #1 [2025-04-14 16:43:23,251 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 16:43:23,251 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 16:43:23,252 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:43:23,252 INFO L85 PathProgramCache]: Analyzing trace with hash 1394240371, now seen corresponding path program 3 times [2025-04-14 16:43:23,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 16:43:23,252 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126748398] [2025-04-14 16:43:23,252 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-14 16:43:23,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:43:23,258 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 27 statements into 2 equivalence classes. [2025-04-14 16:43:23,268 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 27 of 27 statements. [2025-04-14 16:43:23,268 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-04-14 16:43:23,268 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:43:23,651 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 16:43:23,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 16:43:23,651 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1126748398] [2025-04-14 16:43:23,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1126748398] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:43:23,651 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1399602525] [2025-04-14 16:43:23,651 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-14 16:43:23,651 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 16:43:23,651 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 16:43:23,654 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 16:43:23,655 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 16:43:23,695 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 27 statements into 2 equivalence classes. [2025-04-14 16:43:23,711 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 27 of 27 statements. [2025-04-14 16:43:23,711 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-04-14 16:43:23,711 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:43:23,712 INFO L256 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 24 conjuncts are in the unsatisfiable core [2025-04-14 16:43:23,713 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:43:23,763 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2025-04-14 16:43:23,866 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 16:43:23,867 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 16:43:24,228 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 55 [2025-04-14 16:43:24,239 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-14 16:43:24,239 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 78 treesize of output 68 [2025-04-14 16:43:24,334 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 16:43:24,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1399602525] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 16:43:24,334 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 16:43:24,334 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 16 [2025-04-14 16:43:24,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142006543] [2025-04-14 16:43:24,334 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 16:43:24,334 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-04-14 16:43:24,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 16:43:24,335 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-04-14 16:43:24,335 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=214, Unknown=0, NotChecked=0, Total=272 [2025-04-14 16:43:24,335 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:43:24,335 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 16:43:24,335 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 4.0588235294117645) internal successors, (69), 16 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 16:43:24,335 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:43:24,335 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:43:24,335 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:43:24,335 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:43:24,335 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:43:24,336 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 16:43:24,336 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:43:25,131 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:43:25,131 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:43:25,131 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:43:25,131 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:43:25,131 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:43:25,131 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 16:43:25,132 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-14 16:43:25,139 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 16:43:25,334 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 16:43:25,334 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-14 16:43:25,334 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 16:43:25,334 INFO L139 ounterexampleChecker]: Examining path program with hash -1774871706, occurence #1 [2025-04-14 16:43:25,335 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 16:43:25,335 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 16:43:25,335 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:43:25,335 INFO L85 PathProgramCache]: Analyzing trace with hash 595278739, now seen corresponding path program 1 times [2025-04-14 16:43:25,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 16:43:25,335 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022234205] [2025-04-14 16:43:25,335 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:43:25,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:43:25,342 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-04-14 16:43:25,349 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-04-14 16:43:25,349 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:43:25,349 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:43:25,403 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-14 16:43:25,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 16:43:25,404 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2022234205] [2025-04-14 16:43:25,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2022234205] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 16:43:25,404 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 16:43:25,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-14 16:43:25,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113575187] [2025-04-14 16:43:25,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 16:43:25,404 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-14 16:43:25,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 16:43:25,405 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-14 16:43:25,405 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-14 16:43:25,405 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:43:25,405 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 16:43:25,405 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 16:43:25,405 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:43:25,405 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:43:25,405 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:43:25,405 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:43:25,405 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:43:25,405 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 16:43:25,405 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-14 16:43:25,405 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:43:25,701 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:43:25,701 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:43:25,701 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:43:25,701 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:43:25,701 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:43:25,702 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-14 16:43:25,702 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-14 16:43:25,702 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:43:25,702 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-04-14 16:43:25,702 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-14 16:43:25,702 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 16:43:25,702 INFO L139 ounterexampleChecker]: Examining path program with hash -287939630, occurence #2 [2025-04-14 16:43:25,702 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 16:43:25,702 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2025-04-14 16:43:25,702 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:43:25,702 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-04-14 16:43:25,702 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:43:25,702 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2025-04-14 16:43:25,702 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:43:25,702 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2025-04-14 16:43:25,722 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:43:25,722 INFO L85 PathProgramCache]: Analyzing trace with hash -1786842555, now seen corresponding path program 1 times [2025-04-14 16:43:25,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 16:43:25,723 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016592434] [2025-04-14 16:43:25,723 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:43:25,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:43:25,727 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-04-14 16:43:25,737 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-04-14 16:43:25,737 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:43:25,737 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-14 16:43:25,739 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-14 16:43:25,739 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-14 16:43:25,739 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 23 is hopeless, skipping. [2025-04-14 16:43:25,739 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2025-04-14 16:43:25,739 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:43:25,739 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 36 is hopeless, skipping. [2025-04-14 16:43:25,740 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 43 [2025-04-14 16:43:25,740 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:43:25,740 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 46 [2025-04-14 16:43:25,740 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:43:25,740 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2025-04-14 16:43:25,740 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:43:25,740 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 50 [2025-04-14 16:43:25,740 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:43:25,740 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 16:43:25,740 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 16:43:25,740 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:43:25,740 INFO L85 PathProgramCache]: Analyzing trace with hash -326736450, now seen corresponding path program 4 times [2025-04-14 16:43:25,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 16:43:25,740 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117622778] [2025-04-14 16:43:25,740 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-14 16:43:25,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:43:25,747 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 52 statements into 2 equivalence classes. [2025-04-14 16:43:25,759 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 52 of 52 statements. [2025-04-14 16:43:25,759 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-14 16:43:25,759 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:43:25,905 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 20 proven. 24 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-04-14 16:43:25,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 16:43:25,906 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117622778] [2025-04-14 16:43:25,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1117622778] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:43:25,906 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1374311933] [2025-04-14 16:43:25,906 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-14 16:43:25,906 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 16:43:25,906 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 16:43:25,908 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 16:43:25,910 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 16:43:25,949 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 52 statements into 2 equivalence classes. [2025-04-14 16:43:25,969 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 52 of 52 statements. [2025-04-14 16:43:25,970 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-14 16:43:25,970 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:43:25,971 INFO L256 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-04-14 16:43:25,972 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:43:26,119 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 41 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-04-14 16:43:26,119 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 16:43:26,269 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 12 proven. 32 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-04-14 16:43:26,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1374311933] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 16:43:26,270 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 16:43:26,270 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 21 [2025-04-14 16:43:26,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740690335] [2025-04-14 16:43:26,270 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 16:43:26,270 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2025-04-14 16:43:26,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 16:43:26,271 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2025-04-14 16:43:26,271 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=337, Unknown=0, NotChecked=0, Total=462 [2025-04-14 16:43:26,271 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:43:26,271 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 16:43:26,271 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 4.954545454545454) internal successors, (109), 21 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 16:43:26,271 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:43:26,271 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:43:26,271 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:43:26,271 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:43:26,271 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:43:26,271 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-14 16:43:26,271 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-14 16:43:26,272 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:43:26,272 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:43:26,596 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:43:26,596 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:43:26,596 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:43:26,596 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:43:26,596 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:43:26,596 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-14 16:43:26,596 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-14 16:43:26,596 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:43:26,596 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-14 16:43:26,603 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-04-14 16:43:26,797 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,SelfDestructingSolverStorable9,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 16:43:26,797 INFO L403 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-14 16:43:26,797 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 16:43:26,798 INFO L139 ounterexampleChecker]: Examining path program with hash 1144781903, occurence #2 [2025-04-14 16:43:26,798 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 16:43:26,798 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2025-04-14 16:43:26,798 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:43:26,798 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-04-14 16:43:26,798 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:43:26,798 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2025-04-14 16:43:26,798 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:43:26,798 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2025-04-14 16:43:26,816 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:43:26,816 INFO L85 PathProgramCache]: Analyzing trace with hash -1786842542, now seen corresponding path program 1 times [2025-04-14 16:43:26,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 16:43:26,816 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269832660] [2025-04-14 16:43:26,816 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:43:26,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:43:26,820 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-04-14 16:43:26,826 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-04-14 16:43:26,826 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:43:26,826 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-14 16:43:26,826 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-14 16:43:26,826 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-14 16:43:26,827 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 23 is hopeless, skipping. [2025-04-14 16:43:26,827 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2025-04-14 16:43:26,827 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:43:26,827 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 31 [2025-04-14 16:43:26,827 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:43:26,827 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-04-14 16:43:26,827 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:43:26,827 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2025-04-14 16:43:26,827 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:43:26,827 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 16:43:26,827 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 16:43:26,827 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:43:26,827 INFO L85 PathProgramCache]: Analyzing trace with hash -1339649982, now seen corresponding path program 5 times [2025-04-14 16:43:26,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 16:43:26,827 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106771321] [2025-04-14 16:43:26,827 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-14 16:43:26,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:43:26,834 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 36 statements into 3 equivalence classes. [2025-04-14 16:43:26,843 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 18 of 36 statements. [2025-04-14 16:43:26,844 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-14 16:43:26,844 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:43:26,901 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-04-14 16:43:26,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 16:43:26,901 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1106771321] [2025-04-14 16:43:26,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1106771321] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 16:43:26,901 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 16:43:26,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-04-14 16:43:26,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207077286] [2025-04-14 16:43:26,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 16:43:26,901 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-04-14 16:43:26,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 16:43:26,902 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-04-14 16:43:26,902 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-04-14 16:43:26,902 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:43:26,902 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 16:43:26,902 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 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 16:43:26,902 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:43:26,902 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:43:26,902 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:43:26,902 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:43:26,902 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:43:26,902 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-14 16:43:26,902 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-14 16:43:26,902 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:43:26,902 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-14 16:43:26,902 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:43:27,015 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:43:27,015 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:43:27,015 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:43:27,015 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:43:27,015 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:43:27,015 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-14 16:43:27,015 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-14 16:43:27,015 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:43:27,016 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-14 16:43:27,016 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:43:27,016 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,SelfDestructingSolverStorable12 [2025-04-14 16:43:27,016 INFO L403 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-14 16:43:27,016 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 16:43:27,017 INFO L139 ounterexampleChecker]: Examining path program with hash 189027050, occurence #1 [2025-04-14 16:43:27,017 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 16:43:27,017 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 16:43:27,017 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:43:27,017 INFO L85 PathProgramCache]: Analyzing trace with hash -2138611614, now seen corresponding path program 1 times [2025-04-14 16:43:27,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 16:43:27,017 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252932248] [2025-04-14 16:43:27,017 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:43:27,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:43:27,023 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 36 statements into 1 equivalence classes. [2025-04-14 16:43:27,040 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-04-14 16:43:27,040 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:43:27,040 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:43:27,740 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 16:43:27,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 16:43:27,740 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252932248] [2025-04-14 16:43:27,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [252932248] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:43:27,740 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1399439164] [2025-04-14 16:43:27,740 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:43:27,741 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 16:43:27,741 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 16:43:27,743 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 16:43:27,744 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 16:43:27,785 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 36 statements into 1 equivalence classes. [2025-04-14 16:43:27,801 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-04-14 16:43:27,802 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:43:27,802 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:43:27,803 INFO L256 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 33 conjuncts are in the unsatisfiable core [2025-04-14 16:43:27,804 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:43:27,861 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2025-04-14 16:43:28,151 INFO L325 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2025-04-14 16:43:28,151 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 17 [2025-04-14 16:43:28,163 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 16:43:28,163 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 16:43:28,920 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 116 treesize of output 104 [2025-04-14 16:43:28,962 INFO L325 Elim1Store]: treesize reduction 16, result has 64.4 percent of original size [2025-04-14 16:43:28,963 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 232 treesize of output 196 [2025-04-14 16:43:29,541 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 16:43:29,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1399439164] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 16:43:29,541 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 16:43:29,541 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 30 [2025-04-14 16:43:29,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781634931] [2025-04-14 16:43:29,541 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 16:43:29,541 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2025-04-14 16:43:29,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 16:43:29,542 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2025-04-14 16:43:29,542 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=162, Invalid=768, Unknown=0, NotChecked=0, Total=930 [2025-04-14 16:43:29,542 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:43:29,543 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 16:43:29,543 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 3.096774193548387) internal successors, (96), 30 states have internal predecessors, (96), 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 16:43:29,543 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:43:29,543 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:43:29,543 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:43:29,543 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:43:29,543 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:43:29,543 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-14 16:43:29,543 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-14 16:43:29,543 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:43:29,543 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-14 16:43:29,543 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:43:29,543 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:43:31,367 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:43:31,367 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:43:31,367 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:43:31,367 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:43:31,367 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:43:31,367 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-14 16:43:31,367 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-14 16:43:31,367 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:43:31,367 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-14 16:43:31,367 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:43:31,368 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-14 16:43:31,373 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-04-14 16:43:31,568 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2025-04-14 16:43:31,568 INFO L403 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-14 16:43:31,568 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 16:43:31,569 INFO L139 ounterexampleChecker]: Examining path program with hash 189027050, occurence #2 [2025-04-14 16:43:31,569 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 16:43:31,569 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2025-04-14 16:43:31,569 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:43:31,569 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2025-04-14 16:43:31,569 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:43:31,569 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2025-04-14 16:43:31,569 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:43:31,569 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2025-04-14 16:43:31,583 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:43:31,584 INFO L85 PathProgramCache]: Analyzing trace with hash -712686180, now seen corresponding path program 1 times [2025-04-14 16:43:31,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 16:43:31,584 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334789146] [2025-04-14 16:43:31,584 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:43:31,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:43:31,590 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-04-14 16:43:31,596 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-04-14 16:43:31,596 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:43:31,596 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-14 16:43:31,597 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-14 16:43:31,597 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-14 16:43:31,597 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2025-04-14 16:43:31,613 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:43:31,613 INFO L85 PathProgramCache]: Analyzing trace with hash -1548363376, now seen corresponding path program 1 times [2025-04-14 16:43:31,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 16:43:31,614 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403371913] [2025-04-14 16:43:31,614 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:43:31,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:43:31,617 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-04-14 16:43:31,627 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-04-14 16:43:31,627 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:43:31,627 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-14 16:43:31,628 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-14 16:43:31,628 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-14 16:43:31,628 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 32 is hopeless, skipping. [2025-04-14 16:43:31,628 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2025-04-14 16:43:31,629 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:43:31,629 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2025-04-14 16:43:31,629 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:43:31,629 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 42 [2025-04-14 16:43:31,629 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:43:31,629 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 43 [2025-04-14 16:43:31,629 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:43:31,629 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 16:43:31,629 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 16:43:31,629 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:43:31,629 INFO L85 PathProgramCache]: Analyzing trace with hash -1787815209, now seen corresponding path program 2 times [2025-04-14 16:43:31,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 16:43:31,629 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004488845] [2025-04-14 16:43:31,629 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 16:43:31,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:43:31,636 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 45 statements into 2 equivalence classes. [2025-04-14 16:43:31,663 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 45 of 45 statements. [2025-04-14 16:43:31,663 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-14 16:43:31,663 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:43:32,587 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 16:43:32,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 16:43:32,587 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004488845] [2025-04-14 16:43:32,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2004488845] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:43:32,588 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [661682396] [2025-04-14 16:43:32,588 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 16:43:32,588 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 16:43:32,588 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 16:43:32,590 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 16:43:32,590 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 16:43:32,625 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 45 statements into 2 equivalence classes. [2025-04-14 16:43:32,645 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 45 of 45 statements. [2025-04-14 16:43:32,645 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-14 16:43:32,645 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:43:32,647 INFO L256 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 35 conjuncts are in the unsatisfiable core [2025-04-14 16:43:32,648 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:43:33,196 INFO L325 Elim1Store]: treesize reduction 58, result has 10.8 percent of original size [2025-04-14 16:43:33,196 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 60 treesize of output 24 [2025-04-14 16:43:33,209 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 16:43:33,209 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 16:43:33,676 INFO L325 Elim1Store]: treesize reduction 50, result has 54.1 percent of original size [2025-04-14 16:43:33,676 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 106 treesize of output 88 [2025-04-14 16:43:34,374 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 16:43:34,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [661682396] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 16:43:34,374 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 16:43:34,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 39 [2025-04-14 16:43:34,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11774505] [2025-04-14 16:43:34,375 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 16:43:34,375 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2025-04-14 16:43:34,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 16:43:34,376 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2025-04-14 16:43:34,376 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=272, Invalid=1288, Unknown=0, NotChecked=0, Total=1560 [2025-04-14 16:43:34,376 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:43:34,376 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 16:43:34,376 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 3.075) internal successors, (123), 39 states have internal predecessors, (123), 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 16:43:34,376 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:43:34,376 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:43:34,376 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:43:34,376 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:43:34,376 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:43:34,376 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-14 16:43:34,376 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-14 16:43:34,377 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:43:34,377 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-14 16:43:34,377 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:43:34,377 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-14 16:43:34,377 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:43:35,963 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:43:35,963 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:43:35,963 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:43:35,963 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:43:35,963 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:43:35,963 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-14 16:43:35,963 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-14 16:43:35,963 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:43:35,963 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-14 16:43:35,963 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:43:35,963 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-14 16:43:35,963 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-04-14 16:43:35,969 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-04-14 16:43:36,168 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14,SelfDestructingSolverStorable15,SelfDestructingSolverStorable16 [2025-04-14 16:43:36,168 INFO L403 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-14 16:43:36,168 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 16:43:36,168 INFO L139 ounterexampleChecker]: Examining path program with hash 189027050, occurence #3 [2025-04-14 16:43:36,168 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 16:43:36,168 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2025-04-14 16:43:36,168 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:43:36,168 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2025-04-14 16:43:36,168 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:43:36,168 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2025-04-14 16:43:36,168 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:43:36,168 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2025-04-14 16:43:36,182 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:43:36,182 INFO L85 PathProgramCache]: Analyzing trace with hash -712686164, now seen corresponding path program 1 times [2025-04-14 16:43:36,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 16:43:36,182 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002397898] [2025-04-14 16:43:36,182 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:43:36,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:43:36,190 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-04-14 16:43:36,198 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-04-14 16:43:36,198 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:43:36,198 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-14 16:43:36,199 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-14 16:43:36,199 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-14 16:43:36,199 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2025-04-14 16:43:36,215 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:43:36,215 INFO L85 PathProgramCache]: Analyzing trace with hash -1548363360, now seen corresponding path program 1 times [2025-04-14 16:43:36,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 16:43:36,215 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121513479] [2025-04-14 16:43:36,215 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:43:36,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:43:36,219 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-04-14 16:43:36,230 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-04-14 16:43:36,230 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:43:36,230 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-14 16:43:36,231 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-14 16:43:36,231 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-14 16:43:36,231 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2025-04-14 16:43:36,231 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:43:36,231 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2025-04-14 16:43:36,231 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:43:36,231 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2025-04-14 16:43:36,231 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:43:36,231 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2025-04-14 16:43:36,231 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:43:36,231 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 16:43:36,231 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 16:43:36,231 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:43:36,232 INFO L85 PathProgramCache]: Analyzing trace with hash -770718715, now seen corresponding path program 3 times [2025-04-14 16:43:36,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 16:43:36,232 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729039620] [2025-04-14 16:43:36,232 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-14 16:43:36,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:43:36,237 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 37 statements into 3 equivalence classes. [2025-04-14 16:43:36,270 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 37 of 37 statements. [2025-04-14 16:43:36,270 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-04-14 16:43:36,270 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:43:36,438 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-04-14 16:43:36,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 16:43:36,438 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729039620] [2025-04-14 16:43:36,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1729039620] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:43:36,438 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [707491370] [2025-04-14 16:43:36,438 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-14 16:43:36,439 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 16:43:36,439 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 16:43:36,440 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 16:43:36,443 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 16:43:36,480 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 37 statements into 3 equivalence classes. [2025-04-14 16:43:36,499 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 37 of 37 statements. [2025-04-14 16:43:36,499 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-04-14 16:43:36,499 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:43:36,500 INFO L256 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 23 conjuncts are in the unsatisfiable core [2025-04-14 16:43:36,501 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:43:36,628 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-14 16:43:36,628 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 16:43:36,780 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-14 16:43:36,781 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 75 treesize of output 60 [2025-04-14 16:43:36,860 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-04-14 16:43:36,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [707491370] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 16:43:36,861 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 16:43:36,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 6] total 17 [2025-04-14 16:43:36,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144091397] [2025-04-14 16:43:36,861 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 16:43:36,861 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-14 16:43:36,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 16:43:36,862 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-14 16:43:36,862 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=230, Unknown=0, NotChecked=0, Total=306 [2025-04-14 16:43:36,862 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:43:36,862 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 16:43:36,862 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 5.222222222222222) internal successors, (94), 17 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 16:43:36,862 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:43:36,862 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:43:36,862 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:43:36,862 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:43:36,862 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:43:36,862 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-14 16:43:36,862 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-14 16:43:36,862 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:43:36,862 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-14 16:43:36,862 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:43:36,862 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-14 16:43:36,862 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-04-14 16:43:36,862 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:43:37,346 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:43:37,346 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:43:37,346 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:43:37,346 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:43:37,346 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:43:37,346 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-14 16:43:37,346 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-14 16:43:37,346 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:43:37,346 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-14 16:43:37,346 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:43:37,346 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-14 16:43:37,346 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-04-14 16:43:37,347 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-14 16:43:37,352 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 16:43:37,547 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,SelfDestructingSolverStorable19,SelfDestructingSolverStorable17,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 16:43:37,547 INFO L403 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-14 16:43:37,547 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 16:43:37,547 INFO L139 ounterexampleChecker]: Examining path program with hash -1243694483, occurence #1 [2025-04-14 16:43:37,547 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 16:43:37,547 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 16:43:37,548 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:43:37,548 INFO L85 PathProgramCache]: Analyzing trace with hash -2131111966, now seen corresponding path program 4 times [2025-04-14 16:43:37,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 16:43:37,548 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467854309] [2025-04-14 16:43:37,548 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-14 16:43:37,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:43:37,557 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 70 statements into 2 equivalence classes. [2025-04-14 16:43:37,567 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 70 of 70 statements. [2025-04-14 16:43:37,567 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-14 16:43:37,567 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:43:37,774 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 71 proven. 42 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-04-14 16:43:37,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 16:43:37,775 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467854309] [2025-04-14 16:43:37,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [467854309] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:43:37,775 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1039326784] [2025-04-14 16:43:37,775 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-14 16:43:37,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 16:43:37,775 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 16:43:37,777 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 16:43:37,779 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 16:43:37,823 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 70 statements into 2 equivalence classes. [2025-04-14 16:43:37,851 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 70 of 70 statements. [2025-04-14 16:43:37,851 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-14 16:43:37,851 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:43:37,853 INFO L256 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-04-14 16:43:37,854 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:43:38,104 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 103 proven. 10 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-04-14 16:43:38,104 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 16:43:38,358 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 55 proven. 58 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-04-14 16:43:38,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1039326784] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 16:43:38,359 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 16:43:38,359 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 33 [2025-04-14 16:43:38,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804541337] [2025-04-14 16:43:38,359 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 16:43:38,359 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2025-04-14 16:43:38,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 16:43:38,359 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2025-04-14 16:43:38,360 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=277, Invalid=845, Unknown=0, NotChecked=0, Total=1122 [2025-04-14 16:43:38,360 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:43:38,360 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 16:43:38,360 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 4.970588235294118) internal successors, (169), 33 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 16:43:38,360 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:43:38,360 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:43:38,360 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:43:38,360 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:43:38,360 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:43:38,360 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-14 16:43:38,360 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-14 16:43:38,360 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:43:38,360 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-14 16:43:38,360 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:43:38,360 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-14 16:43:38,360 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-04-14 16:43:38,360 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-14 16:43:38,360 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:43:38,824 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:43:38,824 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:43:38,824 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:43:38,824 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:43:38,824 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:43:38,824 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-14 16:43:38,824 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-14 16:43:38,824 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:43:38,824 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-14 16:43:38,824 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:43:38,824 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-14 16:43:38,824 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-04-14 16:43:38,824 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-14 16:43:38,824 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-14 16:43:38,830 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2025-04-14 16:43:39,024 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,SelfDestructingSolverStorable20 [2025-04-14 16:43:39,025 INFO L403 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-14 16:43:39,025 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 16:43:39,025 INFO L139 ounterexampleChecker]: Examining path program with hash 189027050, occurence #4 [2025-04-14 16:43:39,025 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 16:43:39,025 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-04-14 16:43:39,025 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:43:39,025 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2025-04-14 16:43:39,025 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:43:39,025 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2025-04-14 16:43:39,025 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:43:39,025 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2025-04-14 16:43:39,039 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:43:39,039 INFO L85 PathProgramCache]: Analyzing trace with hash -1773578481, now seen corresponding path program 1 times [2025-04-14 16:43:39,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 16:43:39,039 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220545715] [2025-04-14 16:43:39,039 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:43:39,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:43:39,043 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-04-14 16:43:39,047 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-04-14 16:43:39,047 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:43:39,047 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-14 16:43:39,047 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-14 16:43:39,048 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-14 16:43:39,048 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25 [2025-04-14 16:43:39,068 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:43:39,068 INFO L85 PathProgramCache]: Analyzing trace with hash 1076321795, now seen corresponding path program 1 times [2025-04-14 16:43:39,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 16:43:39,068 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380982439] [2025-04-14 16:43:39,068 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:43:39,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:43:39,073 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-04-14 16:43:39,084 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-04-14 16:43:39,084 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:43:39,084 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-14 16:43:39,085 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-14 16:43:39,085 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-14 16:43:39,085 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 33 is hopeless, skipping. [2025-04-14 16:43:39,085 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 41 is hopeless, skipping. [2025-04-14 16:43:39,085 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 45 [2025-04-14 16:43:39,085 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:43:39,085 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 49 [2025-04-14 16:43:39,085 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:43:39,085 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2025-04-14 16:43:39,085 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:43:39,085 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 52 [2025-04-14 16:43:39,085 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:43:39,085 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 16:43:39,085 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 16:43:39,086 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:43:39,086 INFO L85 PathProgramCache]: Analyzing trace with hash -378845562, now seen corresponding path program 5 times [2025-04-14 16:43:39,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 16:43:39,086 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7418767] [2025-04-14 16:43:39,086 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-14 16:43:39,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:43:39,093 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 54 statements into 5 equivalence classes. [2025-04-14 16:43:39,120 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) and asserted 54 of 54 statements. [2025-04-14 16:43:39,120 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2025-04-14 16:43:39,120 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:43:39,801 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 1 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 16:43:39,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 16:43:39,801 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7418767] [2025-04-14 16:43:39,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [7418767] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:43:39,801 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1310231460] [2025-04-14 16:43:39,802 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-14 16:43:39,802 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 16:43:39,802 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 16:43:39,803 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 16:43:39,805 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 16:43:39,849 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 54 statements into 5 equivalence classes. [2025-04-14 16:43:39,878 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) and asserted 54 of 54 statements. [2025-04-14 16:43:39,878 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2025-04-14 16:43:39,878 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:43:39,879 INFO L256 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 37 conjuncts are in the unsatisfiable core [2025-04-14 16:43:39,881 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:43:40,275 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 14 proven. 45 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-04-14 16:43:40,275 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 16:43:40,703 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-14 16:43:40,703 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 143 treesize of output 190 [2025-04-14 16:43:40,906 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-04-14 16:43:40,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1310231460] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 16:43:40,906 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 16:43:40,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 12, 10] total 36 [2025-04-14 16:43:40,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756551073] [2025-04-14 16:43:40,906 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 16:43:40,906 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2025-04-14 16:43:40,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 16:43:40,907 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2025-04-14 16:43:40,907 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=202, Invalid=1130, Unknown=0, NotChecked=0, Total=1332 [2025-04-14 16:43:40,907 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:43:40,907 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 16:43:40,907 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 3.945945945945946) internal successors, (146), 36 states have internal predecessors, (146), 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 16:43:40,907 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:43:40,907 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:43:40,907 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:43:40,907 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:43:40,907 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:43:40,907 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-14 16:43:40,908 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-14 16:43:40,908 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:43:40,908 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-14 16:43:40,908 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:43:40,908 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-14 16:43:40,908 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-04-14 16:43:40,908 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-14 16:43:40,908 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-14 16:43:40,908 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:43:43,077 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:43:43,077 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:43:43,077 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:43:43,077 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:43:43,077 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:43:43,077 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-14 16:43:43,078 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-14 16:43:43,078 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:43:43,078 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-14 16:43:43,078 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:43:43,078 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-14 16:43:43,078 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-04-14 16:43:43,078 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-14 16:43:43,078 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-14 16:43:43,082 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-04-14 16:43:43,088 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2025-04-14 16:43:43,282 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,SelfDestructingSolverStorable22,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2025-04-14 16:43:43,282 INFO L403 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-14 16:43:43,282 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 16:43:43,283 INFO L139 ounterexampleChecker]: Examining path program with hash -1958807233, occurence #1 [2025-04-14 16:43:43,283 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 16:43:43,283 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 16:43:43,283 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:43:43,283 INFO L85 PathProgramCache]: Analyzing trace with hash 64331158, now seen corresponding path program 6 times [2025-04-14 16:43:43,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 16:43:43,283 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152828449] [2025-04-14 16:43:43,283 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-14 16:43:43,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:43:43,289 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 59 statements into 4 equivalence classes. [2025-04-14 16:43:43,304 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) and asserted 59 of 59 statements. [2025-04-14 16:43:43,305 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2025-04-14 16:43:43,305 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:43:43,473 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 36 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 16:43:43,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 16:43:43,474 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1152828449] [2025-04-14 16:43:43,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1152828449] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:43:43,474 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1573716231] [2025-04-14 16:43:43,474 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-14 16:43:43,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 16:43:43,474 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 16:43:43,476 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 16:43:43,477 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 16:43:43,521 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 59 statements into 4 equivalence classes. [2025-04-14 16:43:43,578 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) and asserted 59 of 59 statements. [2025-04-14 16:43:43,579 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2025-04-14 16:43:43,579 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:43:43,581 INFO L256 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-04-14 16:43:43,582 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:43:43,817 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 36 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 16:43:43,817 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 16:43:44,080 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 47 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 16:43:44,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1573716231] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 16:43:44,080 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 16:43:44,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 34 [2025-04-14 16:43:44,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727156154] [2025-04-14 16:43:44,080 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 16:43:44,080 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2025-04-14 16:43:44,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 16:43:44,081 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2025-04-14 16:43:44,081 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=292, Invalid=898, Unknown=0, NotChecked=0, Total=1190 [2025-04-14 16:43:44,081 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:43:44,081 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 16:43:44,081 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 4.0285714285714285) internal successors, (141), 34 states have internal predecessors, (141), 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 16:43:44,081 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:43:44,081 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:43:44,081 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:43:44,081 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:43:44,081 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:43:44,081 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-14 16:43:44,082 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-14 16:43:44,082 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:43:44,082 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-14 16:43:44,082 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:43:44,082 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-14 16:43:44,082 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-04-14 16:43:44,082 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-14 16:43:44,082 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-14 16:43:44,082 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2025-04-14 16:43:44,082 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:43:45,840 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:43:45,841 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:43:45,841 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:43:45,841 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:43:45,841 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:43:45,841 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-14 16:43:45,841 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-14 16:43:45,841 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:43:45,841 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-14 16:43:45,841 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:43:45,841 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-14 16:43:45,841 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-04-14 16:43:45,841 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-14 16:43:45,841 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-14 16:43:45,841 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2025-04-14 16:43:45,841 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-14 16:43:45,848 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2025-04-14 16:43:46,042 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,SelfDestructingSolverStorable24 [2025-04-14 16:43:46,042 INFO L403 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-14 16:43:46,042 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 16:43:46,042 INFO L139 ounterexampleChecker]: Examining path program with hash -1958807233, occurence #2 [2025-04-14 16:43:46,042 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 16:43:46,042 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2025-04-14 16:43:46,042 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:43:46,042 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2025-04-14 16:43:46,042 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:43:46,042 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2025-04-14 16:43:46,042 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:43:46,042 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2025-04-14 16:43:46,056 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:43:46,056 INFO L85 PathProgramCache]: Analyzing trace with hash -301503022, now seen corresponding path program 1 times [2025-04-14 16:43:46,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 16:43:46,056 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394163675] [2025-04-14 16:43:46,056 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:43:46,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:43:46,060 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-04-14 16:43:46,064 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-04-14 16:43:46,064 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:43:46,064 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-14 16:43:46,064 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-14 16:43:46,064 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-14 16:43:46,065 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2025-04-14 16:43:46,083 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:43:46,084 INFO L85 PathProgramCache]: Analyzing trace with hash 837181894, now seen corresponding path program 1 times [2025-04-14 16:43:46,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 16:43:46,084 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430244762] [2025-04-14 16:43:46,084 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:43:46,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:43:46,088 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-04-14 16:43:46,101 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-04-14 16:43:46,101 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:43:46,101 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-14 16:43:46,102 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-14 16:43:46,102 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-14 16:43:46,102 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 34 is hopeless, skipping. [2025-04-14 16:43:46,102 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 43 [2025-04-14 16:43:46,102 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:43:46,102 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2025-04-14 16:43:46,102 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:43:46,103 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 52 is hopeless, skipping. [2025-04-14 16:43:46,103 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 59 [2025-04-14 16:43:46,103 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:43:46,103 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 62 [2025-04-14 16:43:46,103 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:43:46,103 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 64 [2025-04-14 16:43:46,103 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:43:46,103 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 66 [2025-04-14 16:43:46,103 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:43:46,103 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 16:43:46,103 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 16:43:46,103 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:43:46,103 INFO L85 PathProgramCache]: Analyzing trace with hash -69901663, now seen corresponding path program 7 times [2025-04-14 16:43:46,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 16:43:46,103 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335475741] [2025-04-14 16:43:46,103 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-14 16:43:46,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:43:46,109 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes. [2025-04-14 16:43:46,115 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements. [2025-04-14 16:43:46,115 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:43:46,115 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:43:46,293 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 38 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 16:43:46,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 16:43:46,293 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335475741] [2025-04-14 16:43:46,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1335475741] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:43:46,293 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1813529391] [2025-04-14 16:43:46,293 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-14 16:43:46,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 16:43:46,294 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 16:43:46,295 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 16:43:46,297 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 16:43:46,340 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes. [2025-04-14 16:43:46,361 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements. [2025-04-14 16:43:46,361 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:43:46,361 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:43:46,362 INFO L256 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-04-14 16:43:46,363 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:43:46,640 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 77 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 16:43:46,640 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 16:43:46,883 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 64 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 16:43:46,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1813529391] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 16:43:46,883 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 16:43:46,883 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 14, 14] total 37 [2025-04-14 16:43:46,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400879342] [2025-04-14 16:43:46,883 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 16:43:46,883 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2025-04-14 16:43:46,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 16:43:46,884 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2025-04-14 16:43:46,884 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=295, Invalid=1111, Unknown=0, NotChecked=0, Total=1406 [2025-04-14 16:43:46,884 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:43:46,884 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 16:43:46,885 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 3.9473684210526314) internal successors, (150), 37 states have internal predecessors, (150), 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 16:43:46,885 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:43:46,885 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:43:46,885 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:43:46,885 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:43:46,885 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:43:46,885 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-14 16:43:46,885 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-14 16:43:46,885 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:43:46,885 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-14 16:43:46,885 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:43:46,885 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-14 16:43:46,885 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-04-14 16:43:46,885 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-14 16:43:46,885 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-14 16:43:46,885 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2025-04-14 16:43:46,885 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-14 16:43:46,885 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:43:47,693 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:43:47,693 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:43:47,693 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:43:47,693 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:43:47,693 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:43:47,693 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-14 16:43:47,693 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-14 16:43:47,693 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:43:47,693 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-14 16:43:47,693 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:43:47,693 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-14 16:43:47,693 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-04-14 16:43:47,693 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-14 16:43:47,693 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-14 16:43:47,693 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2025-04-14 16:43:47,693 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-14 16:43:47,694 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2025-04-14 16:43:47,700 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 16:43:47,894 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,SelfDestructingSolverStorable25,SelfDestructingSolverStorable26,SelfDestructingSolverStorable27 [2025-04-14 16:43:47,894 INFO L403 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-14 16:43:47,894 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 16:43:47,894 INFO L139 ounterexampleChecker]: Examining path program with hash 1619754674, occurence #1 [2025-04-14 16:43:47,895 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 16:43:47,895 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 16:43:47,895 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:43:47,895 INFO L85 PathProgramCache]: Analyzing trace with hash 932546833, now seen corresponding path program 8 times [2025-04-14 16:43:47,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 16:43:47,895 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604188751] [2025-04-14 16:43:47,895 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 16:43:47,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:43:47,900 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 63 statements into 2 equivalence classes. [2025-04-14 16:43:47,915 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 63 of 63 statements. [2025-04-14 16:43:47,915 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-14 16:43:47,915 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:43:49,133 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 12 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 16:43:49,134 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 16:43:49,134 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1604188751] [2025-04-14 16:43:49,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1604188751] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:43:49,134 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1169906525] [2025-04-14 16:43:49,134 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 16:43:49,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 16:43:49,134 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 16:43:49,136 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 16:43:49,136 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 16:43:49,179 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 63 statements into 2 equivalence classes. [2025-04-14 16:43:49,204 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 63 of 63 statements. [2025-04-14 16:43:49,204 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-14 16:43:49,204 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:43:49,209 INFO L256 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 51 conjuncts are in the unsatisfiable core [2025-04-14 16:43:49,210 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:43:50,608 INFO L325 Elim1Store]: treesize reduction 228, result has 5.4 percent of original size [2025-04-14 16:43:50,608 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 104 treesize of output 40 [2025-04-14 16:43:50,616 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 5 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 16:43:50,617 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 16:43:51,852 INFO L325 Elim1Store]: treesize reduction 80, result has 75.1 percent of original size [2025-04-14 16:43:51,852 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 172 treesize of output 284 [2025-04-14 16:43:54,357 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 3 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 16:43:54,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1169906525] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 16:43:54,357 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 16:43:54,357 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20, 20] total 57 [2025-04-14 16:43:54,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280414962] [2025-04-14 16:43:54,357 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 16:43:54,358 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 58 states [2025-04-14 16:43:54,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 16:43:54,358 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2025-04-14 16:43:54,359 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=400, Invalid=2906, Unknown=0, NotChecked=0, Total=3306 [2025-04-14 16:43:54,359 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:43:54,359 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 16:43:54,359 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 58 states, 58 states have (on average 3.1206896551724137) internal successors, (181), 57 states have internal predecessors, (181), 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 16:43:54,359 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:43:54,359 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:43:54,359 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:43:54,359 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:43:54,359 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:43:54,359 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-14 16:43:54,359 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-14 16:43:54,359 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:43:54,359 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-14 16:43:54,359 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:43:54,360 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-14 16:43:54,360 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-04-14 16:43:54,360 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-14 16:43:54,360 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-14 16:43:54,360 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2025-04-14 16:43:54,360 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-14 16:43:54,360 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2025-04-14 16:43:54,360 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:43:59,547 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:43:59,547 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:43:59,547 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:43:59,547 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:43:59,547 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:43:59,547 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-14 16:43:59,547 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-14 16:43:59,548 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:43:59,548 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-14 16:43:59,548 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:43:59,548 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-14 16:43:59,548 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-04-14 16:43:59,548 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-14 16:43:59,548 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-14 16:43:59,548 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2025-04-14 16:43:59,548 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-14 16:43:59,548 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2025-04-14 16:43:59,548 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2025-04-14 16:43:59,556 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 16:43:59,748 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,SelfDestructingSolverStorable28 [2025-04-14 16:43:59,749 INFO L403 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-14 16:43:59,749 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 16:43:59,749 INFO L139 ounterexampleChecker]: Examining path program with hash -1958807233, occurence #3 [2025-04-14 16:43:59,749 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 16:43:59,749 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2025-04-14 16:43:59,749 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:43:59,749 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2025-04-14 16:43:59,749 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:43:59,749 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2025-04-14 16:43:59,749 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:43:59,749 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2025-04-14 16:43:59,762 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:43:59,762 INFO L85 PathProgramCache]: Analyzing trace with hash -1911806955, now seen corresponding path program 1 times [2025-04-14 16:43:59,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 16:43:59,762 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1863526231] [2025-04-14 16:43:59,762 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:43:59,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:43:59,767 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-04-14 16:43:59,771 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-04-14 16:43:59,771 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:43:59,771 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-14 16:43:59,772 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-14 16:43:59,772 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-14 16:43:59,772 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2025-04-14 16:43:59,786 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:43:59,786 INFO L85 PathProgramCache]: Analyzing trace with hash 2013776649, now seen corresponding path program 1 times [2025-04-14 16:43:59,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 16:43:59,786 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433299321] [2025-04-14 16:43:59,786 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:43:59,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:43:59,791 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-04-14 16:43:59,798 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-04-14 16:43:59,798 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:43:59,798 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-14 16:43:59,798 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-14 16:43:59,799 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-14 16:43:59,799 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 35 is hopeless, skipping. [2025-04-14 16:43:59,799 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 43 is hopeless, skipping. [2025-04-14 16:43:59,799 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 52 [2025-04-14 16:43:59,799 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:43:59,799 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2025-04-14 16:43:59,799 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:43:59,799 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 61 is hopeless, skipping. [2025-04-14 16:43:59,799 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2025-04-14 16:43:59,799 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:43:59,799 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 71 [2025-04-14 16:43:59,799 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:43:59,799 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2025-04-14 16:43:59,799 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:43:59,799 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2025-04-14 16:43:59,799 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:43:59,799 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 16:43:59,799 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 16:43:59,800 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:43:59,800 INFO L85 PathProgramCache]: Analyzing trace with hash 603262450, now seen corresponding path program 9 times [2025-04-14 16:43:59,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 16:43:59,800 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053470827] [2025-04-14 16:43:59,800 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-14 16:43:59,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:43:59,805 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 77 statements into 6 equivalence classes. [2025-04-14 16:43:59,849 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) and asserted 77 of 77 statements. [2025-04-14 16:43:59,849 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2025-04-14 16:43:59,849 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:44:00,057 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 104 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 16:44:00,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 16:44:00,057 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053470827] [2025-04-14 16:44:00,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1053470827] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:44:00,057 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1036803179] [2025-04-14 16:44:00,057 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-14 16:44:00,057 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 16:44:00,057 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 16:44:00,059 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 16:44:00,060 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2025-04-14 16:44:00,106 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 77 statements into 6 equivalence classes. [2025-04-14 16:44:00,185 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) and asserted 77 of 77 statements. [2025-04-14 16:44:00,185 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2025-04-14 16:44:00,185 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:44:00,186 INFO L256 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-04-14 16:44:00,187 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:44:00,483 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 115 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 16:44:00,483 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 16:44:00,764 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 98 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 16:44:00,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1036803179] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 16:44:00,764 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 16:44:00,764 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 44 [2025-04-14 16:44:00,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722212748] [2025-04-14 16:44:00,764 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 16:44:00,765 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2025-04-14 16:44:00,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 16:44:00,765 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2025-04-14 16:44:00,766 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=432, Invalid=1548, Unknown=0, NotChecked=0, Total=1980 [2025-04-14 16:44:00,766 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:44:00,766 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 16:44:00,766 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 45 states have (on average 3.933333333333333) internal successors, (177), 44 states have internal predecessors, (177), 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 16:44:00,766 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:44:00,766 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:44:00,766 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:44:00,766 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:44:00,766 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:44:00,766 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-14 16:44:00,766 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-14 16:44:00,766 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:44:00,766 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-14 16:44:00,766 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:44:00,766 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-14 16:44:00,766 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-04-14 16:44:00,766 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-14 16:44:00,766 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-14 16:44:00,766 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2025-04-14 16:44:00,766 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-14 16:44:00,766 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2025-04-14 16:44:00,766 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2025-04-14 16:44:00,766 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:44:01,233 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:44:01,233 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:44:01,233 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:44:01,233 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:44:01,233 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:44:01,233 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-14 16:44:01,233 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-14 16:44:01,233 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:44:01,233 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-14 16:44:01,233 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:44:01,233 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-14 16:44:01,233 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-04-14 16:44:01,233 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-14 16:44:01,233 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-14 16:44:01,233 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2025-04-14 16:44:01,233 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-14 16:44:01,233 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2025-04-14 16:44:01,233 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2025-04-14 16:44:01,233 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-04-14 16:44:01,240 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2025-04-14 16:44:01,434 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30,SelfDestructingSolverStorable31 [2025-04-14 16:44:01,434 INFO L403 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-14 16:44:01,434 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 16:44:01,434 INFO L139 ounterexampleChecker]: Examining path program with hash -1958807233, occurence #4 [2025-04-14 16:44:01,434 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 16:44:01,435 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2025-04-14 16:44:01,435 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:44:01,435 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2025-04-14 16:44:01,435 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:44:01,435 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2025-04-14 16:44:01,435 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:44:01,435 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2025-04-14 16:44:01,448 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:44:01,448 INFO L85 PathProgramCache]: Analyzing trace with hash -1911806937, now seen corresponding path program 1 times [2025-04-14 16:44:01,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 16:44:01,448 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171659212] [2025-04-14 16:44:01,448 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:44:01,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:44:01,452 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-04-14 16:44:01,455 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-04-14 16:44:01,455 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:44:01,455 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-14 16:44:01,456 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-14 16:44:01,456 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-14 16:44:01,456 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2025-04-14 16:44:01,472 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:44:01,472 INFO L85 PathProgramCache]: Analyzing trace with hash 2013776667, now seen corresponding path program 1 times [2025-04-14 16:44:01,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 16:44:01,472 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903693496] [2025-04-14 16:44:01,472 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:44:01,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:44:01,478 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-04-14 16:44:01,483 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-04-14 16:44:01,483 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:44:01,483 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-14 16:44:01,483 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-14 16:44:01,484 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-14 16:44:01,484 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 35 is hopeless, skipping. [2025-04-14 16:44:01,484 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 44 [2025-04-14 16:44:01,484 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:44:01,484 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 49 [2025-04-14 16:44:01,484 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:44:01,484 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 53 is hopeless, skipping. [2025-04-14 16:44:01,484 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 60 [2025-04-14 16:44:01,484 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:44:01,484 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 63 [2025-04-14 16:44:01,484 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:44:01,484 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 65 [2025-04-14 16:44:01,484 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:44:01,484 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 67 [2025-04-14 16:44:01,484 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:44:01,484 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 16:44:01,484 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 16:44:01,484 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:44:01,484 INFO L85 PathProgramCache]: Analyzing trace with hash -1150387644, now seen corresponding path program 10 times [2025-04-14 16:44:01,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 16:44:01,485 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083540139] [2025-04-14 16:44:01,485 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-14 16:44:01,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:44:01,490 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 69 statements into 2 equivalence classes. [2025-04-14 16:44:01,507 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 69 of 69 statements. [2025-04-14 16:44:01,508 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-14 16:44:01,508 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:44:02,737 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 20 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 16:44:02,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 16:44:02,737 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083540139] [2025-04-14 16:44:02,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1083540139] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:44:02,737 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [268880728] [2025-04-14 16:44:02,737 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-14 16:44:02,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 16:44:02,737 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 16:44:02,739 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 16:44:02,740 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2025-04-14 16:44:02,793 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 69 statements into 2 equivalence classes. [2025-04-14 16:44:02,820 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 69 of 69 statements. [2025-04-14 16:44:02,820 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-14 16:44:02,820 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:44:02,821 INFO L256 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 53 conjuncts are in the unsatisfiable core [2025-04-14 16:44:02,822 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:44:03,998 INFO L325 Elim1Store]: treesize reduction 159, result has 5.9 percent of original size [2025-04-14 16:44:03,999 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 94 treesize of output 35 [2025-04-14 16:44:04,006 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 5 proven. 99 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 16:44:04,007 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 16:44:05,176 INFO L325 Elim1Store]: treesize reduction 78, result has 75.5 percent of original size [2025-04-14 16:44:05,177 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 173 treesize of output 284 [2025-04-14 16:44:06,649 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 4 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 16:44:06,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [268880728] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 16:44:06,649 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 16:44:06,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 21, 21] total 59 [2025-04-14 16:44:06,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100817339] [2025-04-14 16:44:06,649 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 16:44:06,649 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 60 states [2025-04-14 16:44:06,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 16:44:06,650 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2025-04-14 16:44:06,651 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=574, Invalid=2966, Unknown=0, NotChecked=0, Total=3540 [2025-04-14 16:44:06,651 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:44:06,651 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 16:44:06,651 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 60 states, 60 states have (on average 3.2666666666666666) internal successors, (196), 59 states have internal predecessors, (196), 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 16:44:06,651 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:44:06,651 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:44:06,651 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:44:06,651 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:44:06,651 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:44:06,651 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-14 16:44:06,651 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-14 16:44:06,651 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:44:06,651 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-14 16:44:06,651 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:44:06,651 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-14 16:44:06,651 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-04-14 16:44:06,651 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-14 16:44:06,651 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-14 16:44:06,651 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2025-04-14 16:44:06,651 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-14 16:44:06,651 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2025-04-14 16:44:06,651 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2025-04-14 16:44:06,651 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-04-14 16:44:06,651 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:44:10,472 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:44:10,473 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:44:10,473 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:44:10,473 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:44:10,473 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:44:10,473 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-14 16:44:10,473 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-14 16:44:10,473 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:44:10,473 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-14 16:44:10,473 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:44:10,473 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-14 16:44:10,473 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-04-14 16:44:10,473 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:44:10,473 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-14 16:44:10,473 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2025-04-14 16:44:10,473 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-14 16:44:10,473 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2025-04-14 16:44:10,473 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2025-04-14 16:44:10,473 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-04-14 16:44:10,473 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2025-04-14 16:44:10,481 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2025-04-14 16:44:10,674 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,SelfDestructingSolverStorable33,SelfDestructingSolverStorable34,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 16:44:10,674 INFO L403 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-14 16:44:10,674 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 16:44:10,674 INFO L139 ounterexampleChecker]: Examining path program with hash 1619754674, occurence #2 [2025-04-14 16:44:10,674 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 16:44:10,675 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2025-04-14 16:44:10,675 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:44:10,675 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2025-04-14 16:44:10,675 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:44:10,675 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2025-04-14 16:44:10,675 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:44:10,675 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2025-04-14 16:44:10,675 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:44:10,675 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25 [2025-04-14 16:44:10,675 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:44:10,675 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2025-04-14 16:44:10,692 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:44:10,692 INFO L85 PathProgramCache]: Analyzing trace with hash -1639913419, now seen corresponding path program 1 times [2025-04-14 16:44:10,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 16:44:10,692 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32849077] [2025-04-14 16:44:10,692 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:44:10,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:44:10,697 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-04-14 16:44:10,700 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-04-14 16:44:10,700 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:44:10,701 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:44:10,726 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2025-04-14 16:44:10,726 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 16:44:10,726 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [32849077] [2025-04-14 16:44:10,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [32849077] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 16:44:10,726 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 16:44:10,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-14 16:44:10,728 INFO L172 ounterexampleChecker]: Successfully proved commutativity at non-minimality point 29. Constructing proof automaton... [2025-04-14 16:44:10,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 16:44:10,728 INFO L311 artialOrderCegarLoop]: Commutativity proof succeeded, skipping feasibility check. [2025-04-14 16:44:10,728 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-04-14 16:44:10,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SMTINTERPOL [2025-04-14 16:44:10,729 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-04-14 16:44:10,729 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2025-04-14 16:44:10,729 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:44:10,729 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 16:44:10,729 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 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 16:44:10,729 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:44:10,729 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:44:10,729 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:44:10,729 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:44:10,729 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:44:10,729 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-14 16:44:10,729 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-14 16:44:10,729 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:44:10,729 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-14 16:44:10,729 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:44:10,729 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-14 16:44:10,729 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-04-14 16:44:10,729 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:44:10,729 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-14 16:44:10,729 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2025-04-14 16:44:10,729 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-14 16:44:10,729 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2025-04-14 16:44:10,729 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2025-04-14 16:44:10,729 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-04-14 16:44:10,730 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2025-04-14 16:44:10,730 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:44:11,175 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:44:11,176 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:44:11,176 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:44:11,176 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:44:11,176 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:44:11,176 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-14 16:44:11,176 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-14 16:44:11,176 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:44:11,176 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-14 16:44:11,176 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:44:11,176 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-14 16:44:11,176 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-04-14 16:44:11,176 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:44:11,176 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-14 16:44:11,176 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2025-04-14 16:44:11,176 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-14 16:44:11,176 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2025-04-14 16:44:11,176 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2025-04-14 16:44:11,176 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-04-14 16:44:11,176 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2025-04-14 16:44:11,176 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 16:44:11,179 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2025-04-14 16:44:11,179 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2025-04-14 16:44:11,179 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2025-04-14 16:44:11,179 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2025-04-14 16:44:11,183 INFO L422 BasicCegarLoop]: Path program histogram: [10, 5, 1, 1, 1, 1, 1] [2025-04-14 16:44:11,184 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-04-14 16:44:11,184 INFO L171 ceAbstractionStarter]: Computing trace abstraction results [2025-04-14 16:44:11,193 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 16:44:11,193 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.04 04:44:11 BasicIcfg [2025-04-14 16:44:11,193 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-04-14 16:44:11,194 INFO L158 Benchmark]: Toolchain (without parser) took 51286.69ms. Allocated memory was 125.8MB in the beginning and 209.7MB in the end (delta: 83.9MB). Free memory was 92.8MB in the beginning and 88.1MB in the end (delta: 4.6MB). Peak memory consumption was 144.5MB. Max. memory is 8.0GB. [2025-04-14 16:44:11,194 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 142.6MB. Free memory is still 77.7MB. There was no memory consumed. Max. memory is 8.0GB. [2025-04-14 16:44:11,194 INFO L158 Benchmark]: CACSL2BoogieTranslator took 234.15ms. Allocated memory is still 125.8MB. Free memory was 92.8MB in the beginning and 77.6MB in the end (delta: 15.1MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2025-04-14 16:44:11,194 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.91ms. Allocated memory is still 125.8MB. Free memory was 77.6MB in the beginning and 75.7MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 8.0GB. [2025-04-14 16:44:11,194 INFO L158 Benchmark]: Boogie Preprocessor took 27.91ms. Allocated memory is still 125.8MB. Free memory was 75.7MB in the beginning and 74.6MB in the end (delta: 1.1MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2025-04-14 16:44:11,194 INFO L158 Benchmark]: IcfgBuilder took 446.68ms. Allocated memory is still 125.8MB. Free memory was 74.6MB in the beginning and 38.8MB in the end (delta: 35.8MB). Peak memory consumption was 29.4MB. Max. memory is 8.0GB. [2025-04-14 16:44:11,195 INFO L158 Benchmark]: TraceAbstraction took 50530.19ms. Allocated memory was 125.8MB in the beginning and 209.7MB in the end (delta: 83.9MB). Free memory was 38.1MB in the beginning and 88.1MB in the end (delta: -50.1MB). Peak memory consumption was 94.1MB. Max. memory is 8.0GB. [2025-04-14 16:44:11,195 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 142.6MB. Free memory is still 77.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 234.15ms. Allocated memory is still 125.8MB. Free memory was 92.8MB in the beginning and 77.6MB in the end (delta: 15.1MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 41.91ms. Allocated memory is still 125.8MB. Free memory was 77.6MB in the beginning and 75.7MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Preprocessor took 27.91ms. Allocated memory is still 125.8MB. Free memory was 75.7MB in the beginning and 74.6MB in the end (delta: 1.1MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * IcfgBuilder took 446.68ms. Allocated memory is still 125.8MB. Free memory was 74.6MB in the beginning and 38.8MB in the end (delta: 35.8MB). Peak memory consumption was 29.4MB. Max. memory is 8.0GB. * TraceAbstraction took 50530.19ms. Allocated memory was 125.8MB in the beginning and 209.7MB in the end (delta: 83.9MB). Free memory was 38.1MB in the beginning and 88.1MB in the end (delta: -50.1MB). Peak memory consumption was 94.1MB. 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: 49054, independent: 38643, independent conditional: 38182, independent unconditional: 461, dependent: 10411, dependent conditional: 10407, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 38970, independent: 38643, independent conditional: 38182, independent unconditional: 461, dependent: 327, dependent conditional: 323, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 38970, independent: 38643, independent conditional: 38182, independent unconditional: 461, dependent: 327, dependent conditional: 323, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 42740, independent: 38643, independent conditional: 38182, independent unconditional: 461, dependent: 4097, dependent conditional: 4093, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 42740, independent: 38643, independent conditional: 461, independent unconditional: 38182, dependent: 4097, dependent conditional: 2878, dependent unconditional: 1219, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 42740, independent: 38643, independent conditional: 461, independent unconditional: 38182, dependent: 4097, dependent conditional: 2878, dependent unconditional: 1219, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 522, independent: 409, independent conditional: 62, independent unconditional: 347, dependent: 113, dependent conditional: 109, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 522, independent: 343, independent conditional: 0, independent unconditional: 343, dependent: 179, dependent conditional: 0, dependent unconditional: 179, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 179, independent: 66, independent conditional: 62, independent unconditional: 4, dependent: 113, dependent conditional: 109, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 179, independent: 66, independent conditional: 62, independent unconditional: 4, dependent: 113, dependent conditional: 109, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2410, independent: 882, independent conditional: 800, independent unconditional: 82, dependent: 1528, dependent conditional: 1437, dependent unconditional: 91, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 16, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 42740, independent: 38234, independent conditional: 399, independent unconditional: 37835, dependent: 3984, dependent conditional: 2769, dependent unconditional: 1215, unknown: 522, unknown conditional: 171, unknown unconditional: 351] , Statistics on independence cache: Total cache size (in pairs): 538, Positive cache size: 425, Positive conditional cache size: 78, Positive unconditional cache size: 347, Negative cache size: 113, Negative conditional cache size: 109, Negative unconditional cache size: 4, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 38936, Maximal queried relation: 19, Independence queries for same thread: 10084, Persistent sets #1 benchmarks: Persistent set computation time: 0.2s, Number of persistent set computation: 91, Number of trivial persistent sets: 79, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 465, independent: 461, independent conditional: 0, independent unconditional: 461, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 49054, independent: 38643, independent conditional: 38182, independent unconditional: 461, dependent: 10411, dependent conditional: 10407, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 38970, independent: 38643, independent conditional: 38182, independent unconditional: 461, dependent: 327, dependent conditional: 323, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 38970, independent: 38643, independent conditional: 38182, independent unconditional: 461, dependent: 327, dependent conditional: 323, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 42740, independent: 38643, independent conditional: 38182, independent unconditional: 461, dependent: 4097, dependent conditional: 4093, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 42740, independent: 38643, independent conditional: 461, independent unconditional: 38182, dependent: 4097, dependent conditional: 2878, dependent unconditional: 1219, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 42740, independent: 38643, independent conditional: 461, independent unconditional: 38182, dependent: 4097, dependent conditional: 2878, dependent unconditional: 1219, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 522, independent: 409, independent conditional: 62, independent unconditional: 347, dependent: 113, dependent conditional: 109, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 522, independent: 343, independent conditional: 0, independent unconditional: 343, dependent: 179, dependent conditional: 0, dependent unconditional: 179, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 179, independent: 66, independent conditional: 62, independent unconditional: 4, dependent: 113, dependent conditional: 109, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 179, independent: 66, independent conditional: 62, independent unconditional: 4, dependent: 113, dependent conditional: 109, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2410, independent: 882, independent conditional: 800, independent unconditional: 82, dependent: 1528, dependent conditional: 1437, dependent unconditional: 91, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 16, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 42740, independent: 38234, independent conditional: 399, independent unconditional: 37835, dependent: 3984, dependent conditional: 2769, dependent unconditional: 1215, unknown: 522, unknown conditional: 171, unknown unconditional: 351] , Statistics on independence cache: Total cache size (in pairs): 538, Positive cache size: 425, Positive conditional cache size: 78, Positive unconditional cache size: 347, Negative cache size: 113, Negative conditional cache size: 109, Negative unconditional cache size: 4, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 38936, Maximal queried relation: 19, Independence queries for same thread: 10084 - PositiveResult [Line: 94]: 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 5 procedures, 44 locations, 54 edges, 3 error locations. Started 1 CEGAR loops. OverallTime: 50.4s, OverallIterations: 21, TraceHistogramMax: 0, PathProgramHistogramMax: 10, EmptinessCheckTime: 21.4s, 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: 392, 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: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 24.2s InterpolantComputationTime, 1577 NumberOfCodeBlocks, 1559 NumberOfCodeBlocksAsserted, 76 NumberOfCheckSat, 2231 ConstructedInterpolants, 128 QuantifiedInterpolants, 42967 SizeOfPredicates, 85 NumberOfNonLiveVariables, 2896 ConjunctsInSsa, 340 ConjunctsInUnsatCore, 46 InterpolantComputations, 7 PerfectInterpolantSequences, 1104/2404 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: 1, ConComChecker Statistics: CheckTime [ms]: 528, ConditionCalculationTime [ms]: 263, ConditionCalculations: 62, QuantifiedConditions: 0, TraceChecks: 16, UnknownTraceChecks: 0, UnsatisfiedConditions: 15, ImperfectProofs: 0 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-04-14 16:44:11,228 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...