/root/.sdkman/candidates/java/21.0.5-tem/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata ./data -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../benchexec/../../../trunk/examples/settings/default/gemcutter/svcomp-Reach-32bit-GemCutter_Default.epf -i ../../../trunk/examples/svcomp/pthread-ext/26_stack_cas.i -------------------------------------------------------------------------------- This is Ultimate 0.3.0-dev-4cc0a57-m [2025-04-14 10:55:03,132 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-14 10:55:03,183 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 10:55:03,189 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-14 10:55:03,189 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-14 10:55:03,206 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-14 10:55:03,207 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-14 10:55:03,207 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-14 10:55:03,207 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-04-14 10:55:03,207 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-04-14 10:55:03,208 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-14 10:55:03,208 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-14 10:55:03,208 INFO L153 SettingsManager]: * Use SBE=true [2025-04-14 10:55:03,208 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-14 10:55:03,208 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-04-14 10:55:03,208 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-14 10:55:03,208 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-14 10:55:03,208 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-14 10:55:03,208 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-14 10:55:03,208 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-04-14 10:55:03,208 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-04-14 10:55:03,208 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-04-14 10:55:03,208 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-14 10:55:03,208 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-14 10:55:03,208 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-04-14 10:55:03,208 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-14 10:55:03,209 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-04-14 10:55:03,209 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-14 10:55:03,209 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-14 10:55:03,209 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-14 10:55:03,209 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-14 10:55:03,209 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-14 10:55:03,209 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-14 10:55:03,209 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-14 10:55:03,209 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-14 10:55:03,209 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-14 10:55:03,209 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-14 10:55:03,209 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-04-14 10:55:03,209 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-04-14 10:55:03,209 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-04-14 10:55:03,209 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-04-14 10:55:03,209 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-14 10:55:03,209 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-04-14 10:55:03,209 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-14 10:55:03,210 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-04-14 10:55:03,210 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-04-14 10:55:03,210 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-04-14 10:55:03,210 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-04-14 10:55:03,421 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-14 10:55:03,426 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-14 10:55:03,427 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-14 10:55:03,428 INFO L270 PluginConnector]: Initializing CDTParser... [2025-04-14 10:55:03,428 INFO L274 PluginConnector]: CDTParser initialized [2025-04-14 10:55:03,429 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/26_stack_cas.i [2025-04-14 10:55:04,726 INFO L538 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/60b709c42/50a5b05115564a11ace48a2abd99f02e/FLAG69abafcca [2025-04-14 10:55:05,011 INFO L389 CDTParser]: Found 1 translation units. [2025-04-14 10:55:05,012 INFO L178 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/26_stack_cas.i [2025-04-14 10:55:05,027 INFO L432 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/60b709c42/50a5b05115564a11ace48a2abd99f02e/FLAG69abafcca [2025-04-14 10:55:05,776 INFO L440 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/60b709c42/50a5b05115564a11ace48a2abd99f02e [2025-04-14 10:55:05,778 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-14 10:55:05,780 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-04-14 10:55:05,781 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-04-14 10:55:05,781 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-04-14 10:55:05,788 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-04-14 10:55:05,789 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.04 10:55:05" (1/1) ... [2025-04-14 10:55:05,789 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22db6414 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 10:55:05, skipping insertion in model container [2025-04-14 10:55:05,789 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.04 10:55:05" (1/1) ... [2025-04-14 10:55:05,812 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-04-14 10:55:06,097 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/26_stack_cas.i[31294,31307] [2025-04-14 10:55:06,107 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-14 10:55:06,123 INFO L200 MainTranslator]: Completed pre-run [2025-04-14 10:55:06,170 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/26_stack_cas.i[31294,31307] [2025-04-14 10:55:06,172 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-14 10:55:06,200 INFO L204 MainTranslator]: Completed translation [2025-04-14 10:55:06,200 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 10:55:06 WrapperNode [2025-04-14 10:55:06,200 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-04-14 10:55:06,201 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-14 10:55:06,201 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-14 10:55:06,201 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-14 10:55:06,206 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 10:55:06" (1/1) ... [2025-04-14 10:55:06,217 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 10:55:06" (1/1) ... [2025-04-14 10:55:06,238 INFO L138 Inliner]: procedures = 179, calls = 46, calls flagged for inlining = 16, calls inlined = 19, statements flattened = 243 [2025-04-14 10:55:06,239 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-14 10:55:06,239 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-14 10:55:06,239 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-14 10:55:06,239 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-14 10:55:06,244 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 10:55:06" (1/1) ... [2025-04-14 10:55:06,244 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 10:55:06" (1/1) ... [2025-04-14 10:55:06,247 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 10:55:06" (1/1) ... [2025-04-14 10:55:06,247 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 10:55:06" (1/1) ... [2025-04-14 10:55:06,253 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 10:55:06" (1/1) ... [2025-04-14 10:55:06,254 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 10:55:06" (1/1) ... [2025-04-14 10:55:06,262 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 10:55:06" (1/1) ... [2025-04-14 10:55:06,263 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 10:55:06" (1/1) ... [2025-04-14 10:55:06,264 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 10:55:06" (1/1) ... [2025-04-14 10:55:06,268 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-14 10:55:06,269 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-04-14 10:55:06,269 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-04-14 10:55:06,269 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-04-14 10:55:06,270 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 10:55:06" (1/1) ... [2025-04-14 10:55:06,273 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-14 10:55:06,281 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 10:55:06,291 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 10:55:06,293 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 10:55:06,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-04-14 10:55:06,308 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2025-04-14 10:55:06,309 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2025-04-14 10:55:06,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-04-14 10:55:06,309 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-04-14 10:55:06,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-04-14 10:55:06,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-04-14 10:55:06,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-04-14 10:55:06,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-04-14 10:55:06,309 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-04-14 10:55:06,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-14 10:55:06,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-14 10:55:06,310 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-04-14 10:55:06,396 INFO L234 CfgBuilder]: Building ICFG [2025-04-14 10:55:06,397 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-14 10:55:06,627 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-14 10:55:06,627 INFO L283 CfgBuilder]: Performing block encoding [2025-04-14 10:55:06,922 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-14 10:55:06,923 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2025-04-14 10:55:06,923 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.04 10:55:06 BoogieIcfgContainer [2025-04-14 10:55:06,923 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-04-14 10:55:06,924 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-04-14 10:55:06,924 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-04-14 10:55:06,928 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-04-14 10:55:06,928 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.04 10:55:05" (1/3) ... [2025-04-14 10:55:06,930 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cc8979 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.04 10:55:06, skipping insertion in model container [2025-04-14 10:55:06,930 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 10:55:06" (2/3) ... [2025-04-14 10:55:06,930 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cc8979 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.04 10:55:06, skipping insertion in model container [2025-04-14 10:55:06,930 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.04 10:55:06" (3/3) ... [2025-04-14 10:55:06,931 INFO L128 eAbstractionObserver]: Analyzing ICFG 26_stack_cas.i [2025-04-14 10:55:06,941 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-04-14 10:55:06,943 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 26_stack_cas.i that has 2 procedures, 29 locations, 34 edges, 1 initial locations, 3 loop locations, and 1 error locations. [2025-04-14 10:55:06,943 INFO L490 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-04-14 10:55:06,990 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-04-14 10:55:07,020 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-14 10:55:07,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-04-14 10:55:07,020 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 10:55:07,024 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 10:55:07,025 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 10:55:07,091 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-04-14 10:55:07,103 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thr1Thread1of1ForFork0 ======== [2025-04-14 10:55:07,108 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;@69c63546, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-14 10:55:07,108 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-04-14 10:55:07,428 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 10:55:07,428 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 10:55:07,428 INFO L139 ounterexampleChecker]: Examining path program with hash -752752304, occurence #1 [2025-04-14 10:55:07,428 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 10:55:07,428 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 10:55:07,431 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 10:55:07,431 INFO L85 PathProgramCache]: Analyzing trace with hash -1902693105, now seen corresponding path program 1 times [2025-04-14 10:55:07,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 10:55:07,437 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526540992] [2025-04-14 10:55:07,437 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 10:55:07,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 10:55:07,923 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-04-14 10:55:07,975 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-04-14 10:55:07,976 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 10:55:07,976 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 10:55:08,145 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 10:55:08,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 10:55:08,146 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526540992] [2025-04-14 10:55:08,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1526540992] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 10:55:08,149 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 10:55:08,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-04-14 10:55:08,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793927461] [2025-04-14 10:55:08,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 10:55:08,152 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-14 10:55:08,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 10:55:08,167 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-14 10:55:08,167 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-14 10:55:08,167 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:08,168 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 10:55:08,170 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 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 10:55:08,170 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:08,240 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:55:08,241 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-04-14 10:55:08,241 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 10:55:08,241 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 10:55:08,241 INFO L139 ounterexampleChecker]: Examining path program with hash 1507079346, occurence #1 [2025-04-14 10:55:08,241 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 10:55:08,241 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 10:55:08,241 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 10:55:08,241 INFO L85 PathProgramCache]: Analyzing trace with hash 1121403260, now seen corresponding path program 1 times [2025-04-14 10:55:08,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 10:55:08,242 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [939630527] [2025-04-14 10:55:08,242 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 10:55:08,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 10:55:08,427 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-04-14 10:55:08,474 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-04-14 10:55:08,475 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 10:55:08,475 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 10:55:09,052 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 10:55:09,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 10:55:09,052 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [939630527] [2025-04-14 10:55:09,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [939630527] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 10:55:09,052 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 10:55:09,052 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-04-14 10:55:09,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779904843] [2025-04-14 10:55:09,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 10:55:09,054 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-04-14 10:55:09,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 10:55:09,054 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-04-14 10:55:09,054 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2025-04-14 10:55:09,054 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:09,055 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 10:55:09,055 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 9 states have internal predecessors, (25), 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 10:55:09,055 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:55:09,055 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:09,294 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:55:09,295 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 10:55:09,295 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-04-14 10:55:09,295 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 10:55:09,295 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 10:55:09,295 INFO L139 ounterexampleChecker]: Examining path program with hash -226589045, occurence #1 [2025-04-14 10:55:09,295 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 10:55:09,295 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 10:55:09,296 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 10:55:09,296 INFO L85 PathProgramCache]: Analyzing trace with hash 2097710023, now seen corresponding path program 1 times [2025-04-14 10:55:09,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 10:55:09,296 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387468303] [2025-04-14 10:55:09,296 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 10:55:09,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 10:55:09,477 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-04-14 10:55:09,488 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-04-14 10:55:09,488 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 10:55:09,488 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 10:55:09,637 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2025-04-14 10:55:09,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 10:55:09,637 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387468303] [2025-04-14 10:55:09,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [387468303] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 10:55:09,638 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 10:55:09,638 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-04-14 10:55:09,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856982665] [2025-04-14 10:55:09,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 10:55:09,638 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-04-14 10:55:09,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 10:55:09,639 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-04-14 10:55:09,639 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-04-14 10:55:09,639 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:09,639 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 10:55:09,639 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 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 10:55:09,639 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:55:09,639 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 10:55:09,639 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:09,710 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:55:09,711 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 10:55:09,711 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:09,711 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-04-14 10:55:09,711 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 10:55:09,711 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 10:55:09,711 INFO L139 ounterexampleChecker]: Examining path program with hash -226589045, occurence #2 [2025-04-14 10:55:09,711 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 10:55:09,712 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 10:55:09,712 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:55:09,712 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2025-04-14 10:55:09,712 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 10:55:09,712 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2025-04-14 10:55:09,714 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:55:09,714 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2025-04-14 10:55:09,714 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:55:09,714 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2025-04-14 10:55:09,714 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:55:09,714 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 10:55:09,714 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 10:55:09,715 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 10:55:09,715 INFO L85 PathProgramCache]: Analyzing trace with hash 1385072234, now seen corresponding path program 1 times [2025-04-14 10:55:09,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 10:55:09,715 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295877840] [2025-04-14 10:55:09,715 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 10:55:09,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 10:55:09,909 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-04-14 10:55:09,918 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-04-14 10:55:09,918 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 10:55:09,918 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 10:55:10,004 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 10:55:10,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 10:55:10,004 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295877840] [2025-04-14 10:55:10,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [295877840] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 10:55:10,004 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 10:55:10,005 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-14 10:55:10,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971692958] [2025-04-14 10:55:10,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 10:55:10,005 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-04-14 10:55:10,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 10:55:10,005 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-04-14 10:55:10,005 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-04-14 10:55:10,005 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:10,006 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 10:55:10,006 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 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 10:55:10,006 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:55:10,006 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 10:55:10,006 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:10,006 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:10,059 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:55:10,059 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 10:55:10,059 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:10,059 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:55:10,059 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-04-14 10:55:10,059 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 10:55:10,059 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 10:55:10,059 INFO L139 ounterexampleChecker]: Examining path program with hash -867052139, occurence #1 [2025-04-14 10:55:10,060 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 10:55:10,060 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 10:55:10,060 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 10:55:10,060 INFO L85 PathProgramCache]: Analyzing trace with hash 1651382929, now seen corresponding path program 1 times [2025-04-14 10:55:10,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 10:55:10,060 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377480164] [2025-04-14 10:55:10,060 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 10:55:10,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 10:55:10,307 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-04-14 10:55:10,337 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-04-14 10:55:10,338 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 10:55:10,338 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 10:55:10,727 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 10:55:10,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 10:55:10,728 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [377480164] [2025-04-14 10:55:10,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [377480164] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 10:55:10,728 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [906980107] [2025-04-14 10:55:10,728 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 10:55:10,728 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 10:55:10,728 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 10:55:10,730 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 10:55:10,732 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 10:55:10,987 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-04-14 10:55:11,031 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-04-14 10:55:11,032 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 10:55:11,032 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 10:55:11,036 INFO L256 TraceCheckSpWp]: Trace formula consists of 393 conjuncts, 30 conjuncts are in the unsatisfiable core [2025-04-14 10:55:11,043 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 10:55:11,274 INFO L325 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2025-04-14 10:55:11,275 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2025-04-14 10:55:11,383 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 10:55:11,383 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 10:55:11,575 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 10:55:11,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [906980107] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 10:55:11,576 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 10:55:11,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9, 6] total 22 [2025-04-14 10:55:11,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754880551] [2025-04-14 10:55:11,576 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 10:55:11,576 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2025-04-14 10:55:11,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 10:55:11,577 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2025-04-14 10:55:11,578 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=447, Unknown=6, NotChecked=0, Total=552 [2025-04-14 10:55:11,578 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:11,578 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 10:55:11,578 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 4.826086956521739) internal successors, (111), 23 states have internal predecessors, (111), 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 10:55:11,578 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:55:11,578 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 10:55:11,578 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:11,578 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:55:11,578 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:11,719 WARN L849 $PredicateComparison]: unable to prove that (let ((.cse3 (select |c_#memory_int| |c_~#top~0.base|))) (let ((.cse1 (= |c_~#top~0.base| |c_thr1Thread1of1ForFork0_push_~#casret~0#1.base|)) (.cse0 (= |c_thr1Thread1of1ForFork0_push_~oldTop~0#1| (select .cse3 |c_~#top~0.offset|)))) (and (or (forall ((v_DerPreprocessor_1 (Array Int Int)) (|thr1Thread1of1ForFork0_push_~#casret~0#1.base| Int)) (not (= (select (select (store |c_#memory_int| |thr1Thread1of1ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_1) |c_~#top~0.base|) |c_~#top~0.offset|) 0))) .cse0) (= c_~next_alloc_idx~0 3) (= |c_~#top~0.offset| 0) (not (= |c_thr1Thread1of1ForFork0_push_~newTop~0#1| 0)) (or (not .cse1) (= |c_thr1Thread1of1ForFork0_push_~#casret~0#1.offset| |c_~#top~0.offset|)) (or .cse1 .cse0) (or (forall ((|thr1Thread1of1ForFork0_push_~#casret~0#1.base| Int)) (not (= (select (select (let ((.cse2 (store |c_#memory_int| |c_~#top~0.base| (store .cse3 |c_~#top~0.offset| |c_thr1Thread1of1ForFork0_push_~newTop~0#1|)))) (store .cse2 |thr1Thread1of1ForFork0_push_~#casret~0#1.base| (store (select .cse2 |thr1Thread1of1ForFork0_push_~#casret~0#1.base|) |c_thr1Thread1of1ForFork0_push_~#casret~0#1.offset| 1))) |c_~#top~0.base|) |c_~#top~0.offset|) 0))) (not .cse0))))) is different from false [2025-04-14 10:55:12,139 WARN L849 $PredicateComparison]: unable to prove that (let ((.cse3 (select |c_#memory_int| |c_~#top~0.base|))) (let ((.cse1 (= |c_~#top~0.base| |c_thr1Thread1of1ForFork0_push_~#casret~0#1.base|)) (.cse0 (= |c_thr1Thread1of1ForFork0_push_~oldTop~0#1| (select .cse3 |c_~#top~0.offset|)))) (and (or (forall ((v_DerPreprocessor_1 (Array Int Int)) (|thr1Thread1of1ForFork0_push_~#casret~0#1.base| Int)) (not (= (select (select (store |c_#memory_int| |thr1Thread1of1ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_1) |c_~#top~0.base|) |c_~#top~0.offset|) 0))) .cse0) (= |c_~#top~0.offset| 0) (not (= |c_thr1Thread1of1ForFork0_push_~newTop~0#1| 0)) (not (= (+ c_~next_alloc_idx~0 2) 0)) (not (= c_~next_alloc_idx~0 0)) (or (not .cse1) (= |c_thr1Thread1of1ForFork0_push_~#casret~0#1.offset| |c_~#top~0.offset|)) (or .cse1 .cse0) (or (forall ((|thr1Thread1of1ForFork0_push_~#casret~0#1.base| Int)) (not (= (select (select (let ((.cse2 (store |c_#memory_int| |c_~#top~0.base| (store .cse3 |c_~#top~0.offset| |c_thr1Thread1of1ForFork0_push_~newTop~0#1|)))) (store .cse2 |thr1Thread1of1ForFork0_push_~#casret~0#1.base| (store (select .cse2 |thr1Thread1of1ForFork0_push_~#casret~0#1.base|) |c_thr1Thread1of1ForFork0_push_~#casret~0#1.offset| 1))) |c_~#top~0.base|) |c_~#top~0.offset|) 0))) (not .cse0))))) is different from false [2025-04-14 10:55:12,143 WARN L849 $PredicateComparison]: unable to prove that (let ((.cse3 (select |c_#memory_int| |c_~#top~0.base|))) (let ((.cse1 (= |c_~#top~0.base| |c_thr1Thread1of1ForFork0_push_~#casret~0#1.base|)) (.cse0 (= |c_thr1Thread1of1ForFork0_push_~oldTop~0#1| (select .cse3 |c_~#top~0.offset|)))) (and (or (forall ((v_DerPreprocessor_1 (Array Int Int)) (|thr1Thread1of1ForFork0_push_~#casret~0#1.base| Int)) (not (= (select (select (store |c_#memory_int| |thr1Thread1of1ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_1) |c_~#top~0.base|) |c_~#top~0.offset|) 0))) .cse0) (= |c_~#top~0.offset| 0) (not (= |c_thr1Thread1of1ForFork0_push_~newTop~0#1| 0)) (not (= c_~next_alloc_idx~0 0)) (or (not .cse1) (= |c_thr1Thread1of1ForFork0_push_~#casret~0#1.offset| |c_~#top~0.offset|)) (or .cse1 .cse0) (or (forall ((|thr1Thread1of1ForFork0_push_~#casret~0#1.base| Int)) (not (= (select (select (let ((.cse2 (store |c_#memory_int| |c_~#top~0.base| (store .cse3 |c_~#top~0.offset| |c_thr1Thread1of1ForFork0_push_~newTop~0#1|)))) (store .cse2 |thr1Thread1of1ForFork0_push_~#casret~0#1.base| (store (select .cse2 |thr1Thread1of1ForFork0_push_~#casret~0#1.base|) |c_thr1Thread1of1ForFork0_push_~#casret~0#1.offset| 1))) |c_~#top~0.base|) |c_~#top~0.offset|) 0))) (not .cse0))))) is different from false [2025-04-14 10:55:12,266 WARN L849 $PredicateComparison]: unable to prove that (let ((.cse3 (select |c_#memory_int| |c_~#top~0.base|))) (let ((.cse1 (= |c_~#top~0.base| |c_thr1Thread1of1ForFork0_push_~#casret~0#1.base|)) (.cse0 (= |c_thr1Thread1of1ForFork0_push_~oldTop~0#1| (select .cse3 |c_~#top~0.offset|)))) (and (or (forall ((v_DerPreprocessor_1 (Array Int Int)) (|thr1Thread1of1ForFork0_push_~#casret~0#1.base| Int)) (not (= (select (select (store |c_#memory_int| |thr1Thread1of1ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_1) |c_~#top~0.base|) |c_~#top~0.offset|) 0))) .cse0) (= |c_~#top~0.offset| 0) (not (= |c_thr1Thread1of1ForFork0_push_~newTop~0#1| 0)) (or (not .cse1) (= |c_thr1Thread1of1ForFork0_push_~#casret~0#1.offset| |c_~#top~0.offset|)) (or .cse1 .cse0) (or (forall ((|thr1Thread1of1ForFork0_push_~#casret~0#1.base| Int)) (not (= (select (select (let ((.cse2 (store |c_#memory_int| |c_~#top~0.base| (store .cse3 |c_~#top~0.offset| |c_thr1Thread1of1ForFork0_push_~newTop~0#1|)))) (store .cse2 |thr1Thread1of1ForFork0_push_~#casret~0#1.base| (store (select .cse2 |thr1Thread1of1ForFork0_push_~#casret~0#1.base|) |c_thr1Thread1of1ForFork0_push_~#casret~0#1.offset| 1))) |c_~#top~0.base|) |c_~#top~0.offset|) 0))) (not .cse0))))) is different from false [2025-04-14 10:55:12,353 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:55:12,353 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 10:55:12,354 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:12,354 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:55:12,354 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-04-14 10:55:12,360 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 10:55:12,554 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 10:55:12,555 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 10:55:12,555 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 10:55:12,555 INFO L139 ounterexampleChecker]: Examining path program with hash -1621953103, occurence #1 [2025-04-14 10:55:12,555 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 10:55:12,555 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 10:55:12,555 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 10:55:12,555 INFO L85 PathProgramCache]: Analyzing trace with hash -1826031562, now seen corresponding path program 1 times [2025-04-14 10:55:12,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 10:55:12,556 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799623433] [2025-04-14 10:55:12,556 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 10:55:12,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 10:55:12,780 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 73 statements into 1 equivalence classes. [2025-04-14 10:55:12,793 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 73 of 73 statements. [2025-04-14 10:55:12,793 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 10:55:12,794 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 10:55:12,872 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2025-04-14 10:55:12,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 10:55:12,873 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799623433] [2025-04-14 10:55:12,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [799623433] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 10:55:12,873 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 10:55:12,873 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-04-14 10:55:12,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539547145] [2025-04-14 10:55:12,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 10:55:12,873 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-04-14 10:55:12,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 10:55:12,874 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-04-14 10:55:12,874 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-04-14 10:55:12,874 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:12,874 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 10:55:12,874 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 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 10:55:12,874 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:55:12,874 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 10:55:12,874 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:12,874 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:55:12,874 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2025-04-14 10:55:12,874 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:12,950 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:55:12,950 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 10:55:12,950 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:12,950 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:55:12,950 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-04-14 10:55:12,950 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:55:12,950 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-04-14 10:55:12,951 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 10:55:12,951 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 10:55:12,951 INFO L139 ounterexampleChecker]: Examining path program with hash -1621953103, occurence #2 [2025-04-14 10:55:12,951 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 10:55:12,951 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 10:55:12,951 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:55:12,951 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2025-04-14 10:55:12,951 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 10:55:12,951 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2025-04-14 10:55:12,951 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:55:12,951 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2025-04-14 10:55:12,951 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:55:12,951 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2025-04-14 10:55:12,951 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:55:12,951 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2025-04-14 10:55:12,951 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:55:12,951 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 10:55:12,951 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 10:55:12,952 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 10:55:12,952 INFO L85 PathProgramCache]: Analyzing trace with hash -1402961770, now seen corresponding path program 2 times [2025-04-14 10:55:12,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 10:55:12,952 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078051413] [2025-04-14 10:55:12,952 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 10:55:12,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 10:55:13,142 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 47 statements into 2 equivalence classes. [2025-04-14 10:55:13,171 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 47 of 47 statements. [2025-04-14 10:55:13,171 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-14 10:55:13,172 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 10:55:13,233 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 10:55:13,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 10:55:13,233 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2078051413] [2025-04-14 10:55:13,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2078051413] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 10:55:13,234 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1563000762] [2025-04-14 10:55:13,234 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 10:55:13,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 10:55:13,234 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 10:55:13,236 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 10:55:13,237 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 10:55:13,504 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 47 statements into 2 equivalence classes. [2025-04-14 10:55:13,719 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 47 of 47 statements. [2025-04-14 10:55:13,720 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-14 10:55:13,720 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 10:55:13,721 INFO L256 TraceCheckSpWp]: Trace formula consists of 450 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-04-14 10:55:13,723 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 10:55:13,767 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 10:55:13,767 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 10:55:13,824 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 10:55:13,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1563000762] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 10:55:13,824 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 10:55:13,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2025-04-14 10:55:13,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765192450] [2025-04-14 10:55:13,824 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 10:55:13,825 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-04-14 10:55:13,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 10:55:13,825 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-04-14 10:55:13,825 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2025-04-14 10:55:13,825 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:13,825 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 10:55:13,826 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.222222222222221) internal successors, (101), 8 states have internal predecessors, (101), 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 10:55:13,826 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:55:13,826 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 10:55:13,826 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:13,826 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:55:13,826 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2025-04-14 10:55:13,826 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:55:13,826 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:13,991 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:55:13,991 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 10:55:13,991 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:13,991 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:55:13,992 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2025-04-14 10:55:13,992 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:55:13,992 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 10:55:13,999 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 10:55:14,196 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 10:55:14,196 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 10:55:14,196 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 10:55:14,196 INFO L139 ounterexampleChecker]: Examining path program with hash -1621953103, occurence #3 [2025-04-14 10:55:14,196 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 10:55:14,196 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 10:55:14,196 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:55:14,196 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2025-04-14 10:55:14,196 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 10:55:14,197 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2025-04-14 10:55:14,197 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:55:14,197 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2025-04-14 10:55:14,197 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:55:14,197 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2025-04-14 10:55:14,197 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:55:14,197 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2025-04-14 10:55:14,197 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:55:14,197 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2025-04-14 10:55:14,197 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:55:14,197 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 50 [2025-04-14 10:55:14,197 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:55:14,197 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 61 [2025-04-14 10:55:14,197 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:55:14,197 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 63 [2025-04-14 10:55:14,197 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:55:14,197 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2025-04-14 10:55:14,197 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:55:14,197 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 76 [2025-04-14 10:55:14,197 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:55:14,197 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 87 [2025-04-14 10:55:14,197 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:55:14,197 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 89 [2025-04-14 10:55:14,197 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:55:14,197 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 10:55:14,198 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 10:55:14,198 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 10:55:14,198 INFO L85 PathProgramCache]: Analyzing trace with hash -731661098, now seen corresponding path program 3 times [2025-04-14 10:55:14,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 10:55:14,198 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676118127] [2025-04-14 10:55:14,198 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-14 10:55:14,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 10:55:14,390 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 99 statements into 6 equivalence classes. [2025-04-14 10:55:14,422 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 47 of 99 statements. [2025-04-14 10:55:14,422 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-04-14 10:55:14,422 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 10:55:14,557 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2025-04-14 10:55:14,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 10:55:14,558 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676118127] [2025-04-14 10:55:14,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1676118127] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 10:55:14,558 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 10:55:14,558 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-14 10:55:14,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234359917] [2025-04-14 10:55:14,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 10:55:14,558 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-04-14 10:55:14,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 10:55:14,559 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-04-14 10:55:14,559 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-04-14 10:55:14,559 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:14,559 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 10:55:14,559 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 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 10:55:14,559 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:55:14,559 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 10:55:14,559 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:14,559 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:55:14,559 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2025-04-14 10:55:14,559 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:55:14,559 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 10:55:14,559 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:14,919 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:55:14,919 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 10:55:14,919 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:14,919 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:55:14,919 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2025-04-14 10:55:14,919 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:55:14,919 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 10:55:14,919 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:14,921 INFO L790 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-04-14 10:55:14,922 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-04-14 10:55:14,925 INFO L422 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1, 1, 1] [2025-04-14 10:55:14,927 INFO L320 ceAbstractionStarter]: Result for error location thr1Thread1of1ForFork0 was SAFE (1/2) [2025-04-14 10:55:14,931 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-14 10:55:14,931 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-04-14 10:55:14,932 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2025-04-14 10:55:14,933 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;@69c63546, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-14 10:55:14,933 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-04-14 10:55:14,936 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-14 10:55:14,937 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 10:55:14,937 INFO L139 ounterexampleChecker]: Examining path program with hash 1371896434, occurence #1 [2025-04-14 10:55:14,937 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 10:55:14,937 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 10:55:14,937 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 10:55:14,937 INFO L85 PathProgramCache]: Analyzing trace with hash -1082430928, now seen corresponding path program 1 times [2025-04-14 10:55:14,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 10:55:14,937 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263764482] [2025-04-14 10:55:14,938 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 10:55:14,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 10:55:15,132 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-04-14 10:55:15,135 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-04-14 10:55:15,135 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 10:55:15,135 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 10:55:15,141 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 10:55:15,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 10:55:15,142 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263764482] [2025-04-14 10:55:15,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1263764482] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 10:55:15,142 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 10:55:15,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-04-14 10:55:15,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750959437] [2025-04-14 10:55:15,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 10:55:15,142 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-04-14 10:55:15,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 10:55:15,142 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-04-14 10:55:15,142 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-04-14 10:55:15,142 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:15,143 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 10:55:15,143 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 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 10:55:15,143 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:15,159 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:15,159 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-04-14 10:55:15,160 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-14 10:55:15,160 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 10:55:15,160 INFO L139 ounterexampleChecker]: Examining path program with hash -1043610112, occurence #1 [2025-04-14 10:55:15,160 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 10:55:15,160 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 10:55:15,160 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 10:55:15,160 INFO L85 PathProgramCache]: Analyzing trace with hash 640648081, now seen corresponding path program 1 times [2025-04-14 10:55:15,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 10:55:15,160 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496559455] [2025-04-14 10:55:15,160 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 10:55:15,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 10:55:15,317 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-04-14 10:55:15,320 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-04-14 10:55:15,321 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 10:55:15,321 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 10:55:15,353 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 10:55:15,354 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 10:55:15,354 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [496559455] [2025-04-14 10:55:15,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [496559455] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 10:55:15,354 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 10:55:15,354 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-04-14 10:55:15,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113298034] [2025-04-14 10:55:15,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 10:55:15,354 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-14 10:55:15,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 10:55:15,354 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-14 10:55:15,354 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-14 10:55:15,354 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:15,355 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 10:55:15,355 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 2 states have internal predecessors, (19), 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 10:55:15,355 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:15,355 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:15,375 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:15,375 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:55:15,375 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-04-14 10:55:15,375 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-14 10:55:15,375 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 10:55:15,376 INFO L139 ounterexampleChecker]: Examining path program with hash 971282451, occurence #1 [2025-04-14 10:55:15,376 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 10:55:15,376 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 10:55:15,376 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 10:55:15,376 INFO L85 PathProgramCache]: Analyzing trace with hash -781035562, now seen corresponding path program 1 times [2025-04-14 10:55:15,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 10:55:15,376 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249235809] [2025-04-14 10:55:15,376 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 10:55:15,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 10:55:15,621 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-04-14 10:55:15,631 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-04-14 10:55:15,631 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 10:55:15,631 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-14 10:55:15,631 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-14 10:55:15,634 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-04-14 10:55:15,644 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-04-14 10:55:15,644 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 10:55:15,644 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-14 10:55:15,664 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-14 10:55:15,664 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-04-14 10:55:15,664 INFO L790 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2025-04-14 10:55:15,664 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-04-14 10:55:15,665 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2025-04-14 10:55:15,665 INFO L320 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE (2/2) [2025-04-14 10:55:15,666 WARN L247 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2025-04-14 10:55:15,666 INFO L490 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2025-04-14 10:55:15,697 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-04-14 10:55:15,698 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-14 10:55:15,713 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-04-14 10:55:15,713 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2025-04-14 10:55:15,714 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;@69c63546, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-14 10:55:15,714 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-04-14 10:55:16,307 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-14 10:55:16,307 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 10:55:16,307 INFO L139 ounterexampleChecker]: Examining path program with hash 1365081527, occurence #1 [2025-04-14 10:55:16,307 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 10:55:16,307 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 10:55:16,308 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 10:55:16,308 INFO L85 PathProgramCache]: Analyzing trace with hash -659061286, now seen corresponding path program 1 times [2025-04-14 10:55:16,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 10:55:16,308 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228420907] [2025-04-14 10:55:16,308 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 10:55:16,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 10:55:16,487 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-04-14 10:55:16,489 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-04-14 10:55:16,489 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 10:55:16,489 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 10:55:16,496 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 10:55:16,496 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 10:55:16,496 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228420907] [2025-04-14 10:55:16,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1228420907] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 10:55:16,496 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 10:55:16,496 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-04-14 10:55:16,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802726038] [2025-04-14 10:55:16,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 10:55:16,497 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-04-14 10:55:16,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 10:55:16,497 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-04-14 10:55:16,497 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-04-14 10:55:16,497 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:16,497 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 10:55:16,497 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 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 10:55:16,497 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:17,228 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:17,229 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-04-14 10:55:17,229 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-14 10:55:17,229 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 10:55:17,229 INFO L139 ounterexampleChecker]: Examining path program with hash 1289126613, occurence #1 [2025-04-14 10:55:17,229 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 10:55:17,229 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 10:55:17,229 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 10:55:17,229 INFO L85 PathProgramCache]: Analyzing trace with hash -795221890, now seen corresponding path program 1 times [2025-04-14 10:55:17,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 10:55:17,229 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133130322] [2025-04-14 10:55:17,230 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 10:55:17,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 10:55:17,431 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-04-14 10:55:17,434 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-04-14 10:55:17,434 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 10:55:17,434 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 10:55:17,469 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 10:55:17,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 10:55:17,469 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2133130322] [2025-04-14 10:55:17,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2133130322] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 10:55:17,469 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 10:55:17,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-04-14 10:55:17,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220969340] [2025-04-14 10:55:17,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 10:55:17,470 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-14 10:55:17,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 10:55:17,470 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-14 10:55:17,470 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-14 10:55:17,470 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:17,470 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 10:55:17,470 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 2 states have internal predecessors, (39), 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 10:55:17,471 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:17,471 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:17,521 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:17,521 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:55:17,522 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-04-14 10:55:17,522 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-14 10:55:17,522 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 10:55:17,522 INFO L139 ounterexampleChecker]: Examining path program with hash -1284671605, occurence #1 [2025-04-14 10:55:17,522 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 10:55:17,522 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 10:55:17,522 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 10:55:17,522 INFO L85 PathProgramCache]: Analyzing trace with hash 801626895, now seen corresponding path program 1 times [2025-04-14 10:55:17,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 10:55:17,522 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976332581] [2025-04-14 10:55:17,522 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 10:55:17,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 10:55:17,756 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-04-14 10:55:17,760 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-04-14 10:55:17,760 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 10:55:17,760 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 10:55:17,827 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 10:55:17,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 10:55:17,827 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976332581] [2025-04-14 10:55:17,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [976332581] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 10:55:17,827 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 10:55:17,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-04-14 10:55:17,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940245056] [2025-04-14 10:55:17,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 10:55:17,828 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-04-14 10:55:17,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 10:55:17,828 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-04-14 10:55:17,828 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-04-14 10:55:17,828 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:17,828 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 10:55:17,828 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 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 10:55:17,828 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:17,828 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:55:17,828 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:18,063 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:18,063 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:55:18,064 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:18,064 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-04-14 10:55:18,064 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-14 10:55:18,064 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 10:55:18,065 INFO L139 ounterexampleChecker]: Examining path program with hash -651463493, occurence #1 [2025-04-14 10:55:18,065 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 10:55:18,065 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 10:55:18,065 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 10:55:18,065 INFO L85 PathProgramCache]: Analyzing trace with hash 413882828, now seen corresponding path program 1 times [2025-04-14 10:55:18,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 10:55:18,065 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439873003] [2025-04-14 10:55:18,065 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 10:55:18,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 10:55:18,276 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-04-14 10:55:18,282 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-04-14 10:55:18,282 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 10:55:18,283 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 10:55:18,325 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 10:55:18,326 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 10:55:18,326 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439873003] [2025-04-14 10:55:18,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1439873003] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 10:55:18,326 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 10:55:18,326 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-14 10:55:18,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734121947] [2025-04-14 10:55:18,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 10:55:18,326 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-04-14 10:55:18,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 10:55:18,327 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-04-14 10:55:18,327 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-04-14 10:55:18,327 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:18,327 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 10:55:18,327 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 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 10:55:18,327 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:18,327 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:55:18,327 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:18,327 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:18,392 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:18,392 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:55:18,392 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:18,392 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:55:18,392 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2025-04-14 10:55:18,392 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-14 10:55:18,392 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 10:55:18,392 INFO L139 ounterexampleChecker]: Examining path program with hash -1021899018, occurence #1 [2025-04-14 10:55:18,392 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 10:55:18,392 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 10:55:18,393 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 10:55:18,393 INFO L85 PathProgramCache]: Analyzing trace with hash 1566954100, now seen corresponding path program 1 times [2025-04-14 10:55:18,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 10:55:18,393 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130138422] [2025-04-14 10:55:18,393 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 10:55:18,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 10:55:18,570 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-04-14 10:55:18,578 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-04-14 10:55:18,578 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 10:55:18,578 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 10:55:18,842 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 10:55:18,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 10:55:18,843 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130138422] [2025-04-14 10:55:18,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2130138422] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 10:55:18,843 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 10:55:18,843 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-04-14 10:55:18,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951525310] [2025-04-14 10:55:18,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 10:55:18,843 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-04-14 10:55:18,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 10:55:18,843 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-04-14 10:55:18,844 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2025-04-14 10:55:18,844 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:18,844 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 10:55:18,844 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.6363636363636362) internal successors, (40), 10 states have internal predecessors, (40), 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 10:55:18,844 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:18,844 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:55:18,844 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:18,844 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:55:18,844 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:19,264 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:19,265 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:55:19,265 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:19,265 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:55:19,266 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 10:55:19,266 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2025-04-14 10:55:19,266 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-14 10:55:19,266 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 10:55:19,266 INFO L139 ounterexampleChecker]: Examining path program with hash 631558987, occurence #1 [2025-04-14 10:55:19,266 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 10:55:19,266 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 10:55:19,266 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 10:55:19,266 INFO L85 PathProgramCache]: Analyzing trace with hash -240500363, now seen corresponding path program 1 times [2025-04-14 10:55:19,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 10:55:19,266 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881758491] [2025-04-14 10:55:19,266 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 10:55:19,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 10:55:19,432 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-04-14 10:55:19,462 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-04-14 10:55:19,462 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 10:55:19,462 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-14 10:55:19,463 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-14 10:55:19,467 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-04-14 10:55:19,491 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-04-14 10:55:19,491 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 10:55:19,491 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-14 10:55:19,505 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-14 10:55:19,505 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-04-14 10:55:19,505 INFO L790 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2025-04-14 10:55:19,505 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2025-04-14 10:55:19,506 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2025-04-14 10:55:19,506 INFO L320 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE (1/3) [2025-04-14 10:55:19,506 WARN L247 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2025-04-14 10:55:19,506 INFO L490 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2025-04-14 10:55:19,551 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-04-14 10:55:19,553 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-14 10:55:19,570 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-04-14 10:55:19,571 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thr1Thread3of3ForFork0 ======== [2025-04-14 10:55:19,571 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;@69c63546, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-14 10:55:19,571 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-04-14 10:55:20,832 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 10:55:20,832 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 10:55:20,832 INFO L139 ounterexampleChecker]: Examining path program with hash -687777172, occurence #1 [2025-04-14 10:55:20,832 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 10:55:20,832 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 10:55:20,832 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 10:55:20,832 INFO L85 PathProgramCache]: Analyzing trace with hash -489822746, now seen corresponding path program 1 times [2025-04-14 10:55:20,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 10:55:20,832 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762009836] [2025-04-14 10:55:20,832 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 10:55:20,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 10:55:21,018 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-04-14 10:55:21,020 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-04-14 10:55:21,021 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 10:55:21,021 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 10:55:21,029 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 10:55:21,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 10:55:21,029 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [762009836] [2025-04-14 10:55:21,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [762009836] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 10:55:21,029 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 10:55:21,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-04-14 10:55:21,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694637293] [2025-04-14 10:55:21,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 10:55:21,030 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-04-14 10:55:21,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 10:55:21,030 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-04-14 10:55:21,030 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-04-14 10:55:21,030 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:21,030 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 10:55:21,030 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 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 10:55:21,030 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:23,187 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:23,187 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2025-04-14 10:55:23,187 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 10:55:23,187 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 10:55:23,187 INFO L139 ounterexampleChecker]: Examining path program with hash 943102577, occurence #1 [2025-04-14 10:55:23,188 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 10:55:23,188 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 10:55:23,188 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 10:55:23,188 INFO L85 PathProgramCache]: Analyzing trace with hash -1638213467, now seen corresponding path program 1 times [2025-04-14 10:55:23,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 10:55:23,188 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530400589] [2025-04-14 10:55:23,188 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 10:55:23,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 10:55:23,353 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 83 statements into 1 equivalence classes. [2025-04-14 10:55:23,356 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 83 of 83 statements. [2025-04-14 10:55:23,356 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 10:55:23,356 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 10:55:23,397 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 10:55:23,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 10:55:23,398 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530400589] [2025-04-14 10:55:23,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [530400589] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 10:55:23,398 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 10:55:23,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-04-14 10:55:23,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832497681] [2025-04-14 10:55:23,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 10:55:23,398 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-14 10:55:23,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 10:55:23,399 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-14 10:55:23,399 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-14 10:55:23,399 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:23,399 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 10:55:23,399 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 2 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 10:55:23,399 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:23,399 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:23,526 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:23,526 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:55:23,526 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2025-04-14 10:55:23,526 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 10:55:23,526 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 10:55:23,526 INFO L139 ounterexampleChecker]: Examining path program with hash 317448507, occurence #1 [2025-04-14 10:55:23,526 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 10:55:23,526 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 10:55:23,527 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 10:55:23,527 INFO L85 PathProgramCache]: Analyzing trace with hash -305222211, now seen corresponding path program 1 times [2025-04-14 10:55:23,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 10:55:23,527 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67725020] [2025-04-14 10:55:23,527 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 10:55:23,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 10:55:23,690 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 82 statements into 1 equivalence classes. [2025-04-14 10:55:23,694 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 82 of 82 statements. [2025-04-14 10:55:23,694 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 10:55:23,694 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 10:55:23,784 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 10:55:23,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 10:55:23,785 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67725020] [2025-04-14 10:55:23,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [67725020] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 10:55:23,785 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 10:55:23,785 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-04-14 10:55:23,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133191856] [2025-04-14 10:55:23,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 10:55:23,785 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-04-14 10:55:23,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 10:55:23,785 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-04-14 10:55:23,785 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-04-14 10:55:23,785 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:23,786 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 10:55:23,786 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 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 10:55:23,786 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:23,786 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:55:23,786 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:24,168 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:24,168 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:55:24,168 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:24,168 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2025-04-14 10:55:24,169 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 10:55:24,169 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 10:55:24,169 INFO L139 ounterexampleChecker]: Examining path program with hash 351434451, occurence #1 [2025-04-14 10:55:24,169 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 10:55:24,169 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 10:55:24,169 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 10:55:24,169 INFO L85 PathProgramCache]: Analyzing trace with hash -1127771478, now seen corresponding path program 1 times [2025-04-14 10:55:24,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 10:55:24,169 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201186047] [2025-04-14 10:55:24,169 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 10:55:24,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 10:55:24,368 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 74 statements into 1 equivalence classes. [2025-04-14 10:55:24,374 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 74 of 74 statements. [2025-04-14 10:55:24,374 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 10:55:24,374 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 10:55:24,422 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 10:55:24,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 10:55:24,423 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201186047] [2025-04-14 10:55:24,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1201186047] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 10:55:24,423 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 10:55:24,423 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-14 10:55:24,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117316953] [2025-04-14 10:55:24,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 10:55:24,423 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-04-14 10:55:24,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 10:55:24,424 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-04-14 10:55:24,424 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-04-14 10:55:24,424 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:24,424 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 10:55:24,424 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 10:55:24,424 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:24,424 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:55:24,424 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:24,424 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:24,520 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:24,521 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:55:24,521 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:24,521 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:55:24,521 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2025-04-14 10:55:24,521 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 10:55:24,521 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 10:55:24,521 INFO L139 ounterexampleChecker]: Examining path program with hash 875375553, occurence #1 [2025-04-14 10:55:24,521 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 10:55:24,521 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 10:55:24,522 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 10:55:24,522 INFO L85 PathProgramCache]: Analyzing trace with hash -1335788999, now seen corresponding path program 1 times [2025-04-14 10:55:24,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 10:55:24,522 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099086332] [2025-04-14 10:55:24,522 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 10:55:24,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 10:55:24,689 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 73 statements into 1 equivalence classes. [2025-04-14 10:55:24,694 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 73 of 73 statements. [2025-04-14 10:55:24,694 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 10:55:24,694 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 10:55:24,785 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 10:55:24,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 10:55:24,785 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2099086332] [2025-04-14 10:55:24,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2099086332] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 10:55:24,785 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 10:55:24,785 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-04-14 10:55:24,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100887588] [2025-04-14 10:55:24,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 10:55:24,787 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-04-14 10:55:24,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 10:55:24,787 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-04-14 10:55:24,787 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-04-14 10:55:24,787 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:24,787 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 10:55:24,787 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 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 10:55:24,787 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:24,787 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:55:24,787 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:24,787 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:55:24,787 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:25,086 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:25,086 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:55:25,086 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:25,086 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:55:25,086 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:25,087 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2025-04-14 10:55:25,087 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 10:55:25,087 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 10:55:25,087 INFO L139 ounterexampleChecker]: Examining path program with hash -1108125832, occurence #1 [2025-04-14 10:55:25,087 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 10:55:25,087 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 10:55:25,087 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 10:55:25,087 INFO L85 PathProgramCache]: Analyzing trace with hash 1507518817, now seen corresponding path program 1 times [2025-04-14 10:55:25,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 10:55:25,087 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350008740] [2025-04-14 10:55:25,087 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 10:55:25,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 10:55:25,276 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 70 statements into 1 equivalence classes. [2025-04-14 10:55:25,282 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 70 of 70 statements. [2025-04-14 10:55:25,282 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 10:55:25,282 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 10:55:25,342 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 10:55:25,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 10:55:25,343 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350008740] [2025-04-14 10:55:25,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1350008740] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 10:55:25,343 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 10:55:25,343 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-04-14 10:55:25,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935289497] [2025-04-14 10:55:25,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 10:55:25,343 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-04-14 10:55:25,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 10:55:25,343 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-04-14 10:55:25,344 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2025-04-14 10:55:25,344 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:25,344 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 10:55:25,344 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 10:55:25,344 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:25,344 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:55:25,344 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:25,344 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:55:25,344 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:25,344 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:25,429 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:25,429 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:55:25,429 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:25,429 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:55:25,429 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:25,429 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:25,429 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2025-04-14 10:55:25,430 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 10:55:25,430 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 10:55:25,430 INFO L139 ounterexampleChecker]: Examining path program with hash -1842634284, occurence #1 [2025-04-14 10:55:25,430 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 10:55:25,430 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 10:55:25,430 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 10:55:25,430 INFO L85 PathProgramCache]: Analyzing trace with hash 1556985956, now seen corresponding path program 1 times [2025-04-14 10:55:25,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 10:55:25,430 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328811755] [2025-04-14 10:55:25,430 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 10:55:25,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 10:55:25,598 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 69 statements into 1 equivalence classes. [2025-04-14 10:55:25,614 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 69 of 69 statements. [2025-04-14 10:55:25,614 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 10:55:25,615 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 10:55:26,149 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 10:55:26,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 10:55:26,150 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328811755] [2025-04-14 10:55:26,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1328811755] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 10:55:26,150 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 10:55:26,150 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-04-14 10:55:26,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419030135] [2025-04-14 10:55:26,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 10:55:26,150 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-04-14 10:55:26,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 10:55:26,150 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-04-14 10:55:26,151 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2025-04-14 10:55:26,151 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:26,151 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 10:55:26,151 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.090909090909091) internal successors, (67), 11 states have internal predecessors, (67), 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 10:55:26,151 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:26,151 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:55:26,151 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:26,151 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:55:26,151 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:26,151 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:26,151 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:27,564 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:27,564 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:55:27,564 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:27,564 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:55:27,564 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:27,564 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:27,564 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-14 10:55:27,564 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2025-04-14 10:55:27,564 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 10:55:27,564 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 10:55:27,565 INFO L139 ounterexampleChecker]: Examining path program with hash 446193425, occurence #1 [2025-04-14 10:55:27,565 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 10:55:27,565 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 10:55:27,565 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 10:55:27,565 INFO L85 PathProgramCache]: Analyzing trace with hash -915041759, now seen corresponding path program 1 times [2025-04-14 10:55:27,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 10:55:27,565 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789389351] [2025-04-14 10:55:27,565 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 10:55:27,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 10:55:27,884 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 112 statements into 1 equivalence classes. [2025-04-14 10:55:27,896 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 112 of 112 statements. [2025-04-14 10:55:27,897 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 10:55:27,897 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 10:55:27,987 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2025-04-14 10:55:27,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 10:55:27,987 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789389351] [2025-04-14 10:55:27,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [789389351] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 10:55:27,987 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 10:55:27,987 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-04-14 10:55:27,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455503375] [2025-04-14 10:55:27,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 10:55:27,988 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-04-14 10:55:27,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 10:55:27,988 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-04-14 10:55:27,988 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-04-14 10:55:27,988 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:27,988 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 10:55:27,988 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.25) internal successors, (85), 4 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 10:55:27,988 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:27,988 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:55:27,988 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:27,988 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:55:27,988 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:27,988 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:27,988 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-14 10:55:27,988 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:28,097 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:28,097 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:55:28,097 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:28,097 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:55:28,097 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:28,097 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:28,097 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-14 10:55:28,097 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:55:28,097 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2025-04-14 10:55:28,097 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 10:55:28,097 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 10:55:28,098 INFO L139 ounterexampleChecker]: Examining path program with hash -519065497, occurence #1 [2025-04-14 10:55:28,098 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 10:55:28,098 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 10:55:28,098 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 10:55:28,098 INFO L85 PathProgramCache]: Analyzing trace with hash 1648438963, now seen corresponding path program 1 times [2025-04-14 10:55:28,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 10:55:28,098 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868035443] [2025-04-14 10:55:28,098 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 10:55:28,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 10:55:28,280 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 92 statements into 1 equivalence classes. [2025-04-14 10:55:28,290 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 92 of 92 statements. [2025-04-14 10:55:28,290 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 10:55:28,290 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 10:55:28,387 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 10:55:28,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 10:55:28,387 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868035443] [2025-04-14 10:55:28,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1868035443] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 10:55:28,387 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 10:55:28,387 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-04-14 10:55:28,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356145758] [2025-04-14 10:55:28,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 10:55:28,388 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-04-14 10:55:28,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 10:55:28,388 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-04-14 10:55:28,388 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-04-14 10:55:28,388 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:28,388 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 10:55:28,388 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 10:55:28,388 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:28,388 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:55:28,388 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:28,388 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:55:28,388 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:28,388 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:28,388 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-14 10:55:28,388 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:55:28,388 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:28,988 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:28,989 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:55:28,989 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:28,989 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:55:28,989 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:28,989 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:28,989 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-14 10:55:28,989 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:55:28,989 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:28,989 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2025-04-14 10:55:28,989 INFO L403 AbstractCegarLoop]: === Iteration 10 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 10:55:28,989 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 10:55:28,989 INFO L139 ounterexampleChecker]: Examining path program with hash 212131103, occurence #1 [2025-04-14 10:55:28,989 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 10:55:28,990 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 10:55:28,990 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 10:55:28,990 INFO L85 PathProgramCache]: Analyzing trace with hash 272367323, now seen corresponding path program 1 times [2025-04-14 10:55:28,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 10:55:28,990 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142542500] [2025-04-14 10:55:28,990 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 10:55:28,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 10:55:29,158 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 115 statements into 1 equivalence classes. [2025-04-14 10:55:29,168 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 115 of 115 statements. [2025-04-14 10:55:29,168 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 10:55:29,168 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 10:55:29,290 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-04-14 10:55:29,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 10:55:29,291 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142542500] [2025-04-14 10:55:29,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [142542500] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 10:55:29,291 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 10:55:29,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-04-14 10:55:29,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110107355] [2025-04-14 10:55:29,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 10:55:29,291 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-04-14 10:55:29,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 10:55:29,291 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-04-14 10:55:29,291 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-04-14 10:55:29,291 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:29,291 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 10:55:29,292 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.0) internal successors, (90), 5 states have internal predecessors, (90), 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 10:55:29,292 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:29,292 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:55:29,292 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:29,292 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:55:29,292 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:29,292 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:29,292 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-14 10:55:29,292 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:55:29,292 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:29,292 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:29,741 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:29,741 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:55:29,741 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:29,741 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:55:29,741 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:29,741 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:29,742 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-14 10:55:29,742 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:55:29,742 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:29,742 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:29,742 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2025-04-14 10:55:29,742 INFO L403 AbstractCegarLoop]: === Iteration 11 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 10:55:29,742 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 10:55:29,743 INFO L139 ounterexampleChecker]: Examining path program with hash -1594129846, occurence #1 [2025-04-14 10:55:29,743 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 10:55:29,743 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 10:55:29,743 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 10:55:29,743 INFO L85 PathProgramCache]: Analyzing trace with hash -1075145126, now seen corresponding path program 1 times [2025-04-14 10:55:29,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 10:55:29,743 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703400215] [2025-04-14 10:55:29,743 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 10:55:29,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 10:55:29,959 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 123 statements into 1 equivalence classes. [2025-04-14 10:55:29,969 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 123 of 123 statements. [2025-04-14 10:55:29,969 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 10:55:29,969 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 10:55:30,117 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-04-14 10:55:30,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 10:55:30,117 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [703400215] [2025-04-14 10:55:30,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [703400215] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 10:55:30,117 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 10:55:30,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-14 10:55:30,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505315809] [2025-04-14 10:55:30,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 10:55:30,117 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-04-14 10:55:30,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 10:55:30,118 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-04-14 10:55:30,118 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-04-14 10:55:30,118 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:30,118 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 10:55:30,119 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 25.333333333333332) internal successors, (76), 4 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 10:55:30,119 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:30,119 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:55:30,119 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:30,119 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:55:30,119 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:30,119 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:30,119 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-14 10:55:30,119 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:55:30,119 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:30,119 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:30,119 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:30,307 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:30,307 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:55:30,307 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:30,307 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:55:30,307 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:30,308 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:30,308 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-14 10:55:30,308 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:55:30,308 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:30,308 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:30,308 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:30,308 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2025-04-14 10:55:30,308 INFO L403 AbstractCegarLoop]: === Iteration 12 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 10:55:30,308 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 10:55:30,308 INFO L139 ounterexampleChecker]: Examining path program with hash 290344297, occurence #1 [2025-04-14 10:55:30,308 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 10:55:30,308 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 10:55:30,309 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 10:55:30,309 INFO L85 PathProgramCache]: Analyzing trace with hash -1858781412, now seen corresponding path program 2 times [2025-04-14 10:55:30,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 10:55:30,309 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452957976] [2025-04-14 10:55:30,309 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 10:55:30,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 10:55:30,487 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 155 statements into 2 equivalence classes. [2025-04-14 10:55:30,500 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 82 of 155 statements. [2025-04-14 10:55:30,500 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-14 10:55:30,500 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 10:55:30,567 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2025-04-14 10:55:30,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 10:55:30,568 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452957976] [2025-04-14 10:55:30,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1452957976] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 10:55:30,568 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 10:55:30,568 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-04-14 10:55:30,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876826022] [2025-04-14 10:55:30,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 10:55:30,568 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-04-14 10:55:30,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 10:55:30,569 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-04-14 10:55:30,569 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-04-14 10:55:30,569 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:30,569 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 10:55:30,569 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.833333333333332) internal successors, (101), 5 states have internal predecessors, (101), 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 10:55:30,569 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:30,569 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:55:30,569 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:30,569 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:55:30,569 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:30,569 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:30,569 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-14 10:55:30,569 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:55:30,569 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:30,569 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:30,569 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:30,569 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:30,766 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:30,766 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:55:30,766 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:30,766 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:55:30,766 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:30,766 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:30,766 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-14 10:55:30,766 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:55:30,766 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:30,766 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:30,766 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:30,766 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 10:55:30,767 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2025-04-14 10:55:30,767 INFO L403 AbstractCegarLoop]: === Iteration 13 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 10:55:30,767 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 10:55:30,767 INFO L139 ounterexampleChecker]: Examining path program with hash 498578208, occurence #1 [2025-04-14 10:55:30,767 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 10:55:30,767 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 10:55:30,767 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 10:55:30,767 INFO L85 PathProgramCache]: Analyzing trace with hash -472318065, now seen corresponding path program 3 times [2025-04-14 10:55:30,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 10:55:30,768 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954833105] [2025-04-14 10:55:30,768 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-14 10:55:30,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 10:55:30,976 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 182 statements into 4 equivalence classes. [2025-04-14 10:55:30,991 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 82 of 182 statements. [2025-04-14 10:55:30,991 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-04-14 10:55:30,991 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 10:55:31,325 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2025-04-14 10:55:31,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 10:55:31,325 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1954833105] [2025-04-14 10:55:31,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1954833105] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 10:55:31,325 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 10:55:31,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-04-14 10:55:31,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674115203] [2025-04-14 10:55:31,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 10:55:31,326 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-04-14 10:55:31,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 10:55:31,326 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-04-14 10:55:31,326 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2025-04-14 10:55:31,326 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:31,326 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 10:55:31,326 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.7) internal successors, (77), 9 states have internal predecessors, (77), 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 10:55:31,326 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:31,326 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:55:31,326 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:31,326 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:55:31,326 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:31,326 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:31,326 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-14 10:55:31,326 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:55:31,326 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:31,326 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:31,327 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:31,327 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 10:55:31,327 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:33,330 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:33,330 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:55:33,330 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:33,330 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:55:33,330 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:33,330 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:33,330 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-14 10:55:33,330 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:55:33,330 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:33,330 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 10:55:33,330 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:33,330 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 10:55:33,330 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-14 10:55:33,330 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2025-04-14 10:55:33,330 INFO L403 AbstractCegarLoop]: === Iteration 14 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 10:55:33,331 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 10:55:33,331 INFO L139 ounterexampleChecker]: Examining path program with hash 1549329905, occurence #1 [2025-04-14 10:55:33,331 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 10:55:33,331 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 10:55:33,331 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 10:55:33,331 INFO L85 PathProgramCache]: Analyzing trace with hash 1027807182, now seen corresponding path program 1 times [2025-04-14 10:55:33,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 10:55:33,331 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642019113] [2025-04-14 10:55:33,331 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 10:55:33,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 10:55:33,584 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 162 statements into 1 equivalence classes. [2025-04-14 10:55:33,594 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 162 of 162 statements. [2025-04-14 10:55:33,594 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 10:55:33,594 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 10:55:33,676 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2025-04-14 10:55:33,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 10:55:33,677 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642019113] [2025-04-14 10:55:33,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [642019113] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 10:55:33,677 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 10:55:33,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-04-14 10:55:33,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064352467] [2025-04-14 10:55:33,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 10:55:33,677 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-04-14 10:55:33,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 10:55:33,678 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-04-14 10:55:33,678 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-04-14 10:55:33,678 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:33,678 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 10:55:33,678 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.75) internal successors, (99), 4 states have internal predecessors, (99), 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 10:55:33,678 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:33,678 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:55:33,678 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:33,678 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:55:33,678 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:33,678 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:33,678 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-14 10:55:33,678 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:55:33,678 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:33,678 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 10:55:33,678 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:33,678 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 10:55:33,678 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-14 10:55:33,678 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:34,179 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:34,180 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:55:34,180 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:34,180 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:55:34,180 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:34,180 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:34,180 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-14 10:55:34,180 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:55:34,180 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:34,180 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 10:55:34,180 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:34,180 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 10:55:34,180 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-14 10:55:34,180 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:55:34,180 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2025-04-14 10:55:34,180 INFO L403 AbstractCegarLoop]: === Iteration 15 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 10:55:34,180 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 10:55:34,181 INFO L139 ounterexampleChecker]: Examining path program with hash 1117099986, occurence #1 [2025-04-14 10:55:34,181 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 10:55:34,181 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 10:55:34,181 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 10:55:34,181 INFO L85 PathProgramCache]: Analyzing trace with hash -1030825075, now seen corresponding path program 1 times [2025-04-14 10:55:34,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 10:55:34,181 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022437917] [2025-04-14 10:55:34,181 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 10:55:34,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 10:55:34,365 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 159 statements into 1 equivalence classes. [2025-04-14 10:55:34,374 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 159 of 159 statements. [2025-04-14 10:55:34,375 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 10:55:34,375 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 10:55:34,546 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-14 10:55:34,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 10:55:34,547 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1022437917] [2025-04-14 10:55:34,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1022437917] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 10:55:34,547 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 10:55:34,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-14 10:55:34,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905602808] [2025-04-14 10:55:34,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 10:55:34,547 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-14 10:55:34,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 10:55:34,547 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-14 10:55:34,547 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-14 10:55:34,548 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:34,548 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 10:55:34,548 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 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 10:55:34,548 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:34,548 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:55:34,548 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:34,548 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:55:34,548 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:34,548 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:34,548 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-14 10:55:34,548 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:55:34,548 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:34,548 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 10:55:34,548 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:34,548 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 10:55:34,548 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-14 10:55:34,548 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:55:34,548 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:34,714 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:34,714 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:55:34,714 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:34,714 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:55:34,714 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:34,714 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:34,715 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-14 10:55:34,715 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:55:34,715 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:34,715 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 10:55:34,715 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:34,715 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 10:55:34,715 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-14 10:55:34,715 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:55:34,715 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:55:34,715 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2025-04-14 10:55:34,715 INFO L403 AbstractCegarLoop]: === Iteration 16 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 10:55:34,715 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 10:55:34,715 INFO L139 ounterexampleChecker]: Examining path program with hash 850771806, occurence #1 [2025-04-14 10:55:34,715 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 10:55:34,715 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 10:55:34,716 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 10:55:34,716 INFO L85 PathProgramCache]: Analyzing trace with hash 1125714829, now seen corresponding path program 2 times [2025-04-14 10:55:34,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 10:55:34,716 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572325967] [2025-04-14 10:55:34,716 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 10:55:34,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 10:55:34,892 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 159 statements into 2 equivalence classes. [2025-04-14 10:55:34,901 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 86 of 159 statements. [2025-04-14 10:55:34,901 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-14 10:55:34,901 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 10:55:34,975 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2025-04-14 10:55:34,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 10:55:34,976 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572325967] [2025-04-14 10:55:34,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1572325967] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 10:55:34,976 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 10:55:34,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-04-14 10:55:34,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564854473] [2025-04-14 10:55:34,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 10:55:34,976 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-04-14 10:55:34,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 10:55:34,976 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-04-14 10:55:34,976 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-04-14 10:55:34,976 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:34,976 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 10:55:34,977 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 6 states have internal predecessors, (98), 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 10:55:34,977 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:34,977 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:55:34,977 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:34,977 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:55:34,977 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:34,977 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:34,977 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-14 10:55:34,977 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:55:34,977 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:34,977 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 10:55:34,977 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:34,977 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 10:55:34,977 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-14 10:55:34,977 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:55:34,977 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:55:34,977 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:35,128 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:35,129 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:55:35,129 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:35,129 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:55:35,129 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:35,129 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:35,129 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-14 10:55:35,129 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:55:35,129 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:35,129 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 10:55:35,129 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:35,129 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 10:55:35,129 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-14 10:55:35,129 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:55:35,129 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:55:35,129 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 10:55:35,129 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2025-04-14 10:55:35,129 INFO L403 AbstractCegarLoop]: === Iteration 17 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 10:55:35,129 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 10:55:35,130 INFO L139 ounterexampleChecker]: Examining path program with hash -969541258, occurence #1 [2025-04-14 10:55:35,130 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 10:55:35,130 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 10:55:35,130 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 10:55:35,130 INFO L85 PathProgramCache]: Analyzing trace with hash -96902399, now seen corresponding path program 3 times [2025-04-14 10:55:35,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 10:55:35,130 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504574044] [2025-04-14 10:55:35,130 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-14 10:55:35,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 10:55:35,313 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 186 statements into 4 equivalence classes. [2025-04-14 10:55:35,330 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 86 of 186 statements. [2025-04-14 10:55:35,330 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-04-14 10:55:35,330 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 10:55:35,660 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2025-04-14 10:55:35,660 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 10:55:35,660 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1504574044] [2025-04-14 10:55:35,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1504574044] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 10:55:35,660 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 10:55:35,660 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-04-14 10:55:35,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1396647445] [2025-04-14 10:55:35,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 10:55:35,660 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-04-14 10:55:35,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 10:55:35,661 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-04-14 10:55:35,661 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2025-04-14 10:55:35,661 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:35,661 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 10:55:35,661 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 8 states have internal predecessors, (95), 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 10:55:35,661 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:35,661 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:55:35,661 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:35,661 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:55:35,661 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:35,661 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:35,661 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-14 10:55:35,661 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:55:35,661 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:35,661 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 10:55:35,661 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:35,661 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 10:55:35,661 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-14 10:55:35,661 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:55:35,661 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:55:35,661 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 10:55:35,662 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:36,444 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:36,444 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:55:36,444 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:36,444 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:55:36,444 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:36,444 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:36,444 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-14 10:55:36,445 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:55:36,445 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:36,445 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 10:55:36,445 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:36,445 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 10:55:36,445 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-14 10:55:36,445 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:55:36,445 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:55:36,445 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 10:55:36,445 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-14 10:55:36,445 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2025-04-14 10:55:36,445 INFO L403 AbstractCegarLoop]: === Iteration 18 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 10:55:36,445 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 10:55:36,445 INFO L139 ounterexampleChecker]: Examining path program with hash 701462872, occurence #1 [2025-04-14 10:55:36,445 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 10:55:36,445 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 10:55:36,446 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 10:55:36,446 INFO L85 PathProgramCache]: Analyzing trace with hash 199683751, now seen corresponding path program 1 times [2025-04-14 10:55:36,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 10:55:36,446 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782504452] [2025-04-14 10:55:36,446 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 10:55:36,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 10:55:36,626 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 195 statements into 1 equivalence classes. [2025-04-14 10:55:36,644 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 195 of 195 statements. [2025-04-14 10:55:36,645 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 10:55:36,645 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 10:55:36,782 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2025-04-14 10:55:36,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 10:55:36,782 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782504452] [2025-04-14 10:55:36,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [782504452] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 10:55:36,782 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 10:55:36,782 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-04-14 10:55:36,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387516429] [2025-04-14 10:55:36,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 10:55:36,783 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-04-14 10:55:36,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 10:55:36,783 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-04-14 10:55:36,783 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2025-04-14 10:55:36,783 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:36,783 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 10:55:36,783 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 15.375) internal successors, (123), 7 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 10:55:36,783 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:36,783 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:55:36,783 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:36,783 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:55:36,783 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:36,783 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:36,783 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-14 10:55:36,783 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:55:36,783 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:36,783 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 10:55:36,783 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:36,783 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 10:55:36,783 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-14 10:55:36,784 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:55:36,784 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:55:36,784 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 10:55:36,784 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-14 10:55:36,784 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:36,895 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:36,895 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:55:36,895 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:36,895 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:55:36,895 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:36,895 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:36,895 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-14 10:55:36,896 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:55:36,896 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:36,896 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 10:55:36,896 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:36,896 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 10:55:36,896 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-14 10:55:36,896 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:55:36,896 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:55:36,896 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 10:55:36,896 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-14 10:55:36,896 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 10:55:36,896 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2025-04-14 10:55:36,896 INFO L403 AbstractCegarLoop]: === Iteration 19 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 10:55:36,896 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 10:55:36,896 INFO L139 ounterexampleChecker]: Examining path program with hash -273227320, occurence #1 [2025-04-14 10:55:36,896 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 10:55:36,896 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 10:55:36,897 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 10:55:36,897 INFO L85 PathProgramCache]: Analyzing trace with hash -1898014238, now seen corresponding path program 2 times [2025-04-14 10:55:36,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 10:55:36,897 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102699264] [2025-04-14 10:55:36,897 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 10:55:36,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 10:55:37,105 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 194 statements into 2 equivalence classes. [2025-04-14 10:55:37,119 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 95 of 194 statements. [2025-04-14 10:55:37,120 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-14 10:55:37,120 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 10:55:37,457 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2025-04-14 10:55:37,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 10:55:37,457 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1102699264] [2025-04-14 10:55:37,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1102699264] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 10:55:37,457 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 10:55:37,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2025-04-14 10:55:37,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053389143] [2025-04-14 10:55:37,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 10:55:37,458 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-04-14 10:55:37,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 10:55:37,458 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-04-14 10:55:37,458 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2025-04-14 10:55:37,458 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:37,458 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 10:55:37,458 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.833333333333334) internal successors, (106), 11 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 10:55:37,458 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:37,458 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:55:37,458 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:37,458 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:55:37,459 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:37,459 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:37,459 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-14 10:55:37,459 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:55:37,459 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:37,459 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 10:55:37,459 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:37,459 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 10:55:37,459 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-14 10:55:37,459 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:55:37,459 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:55:37,459 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 10:55:37,459 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-14 10:55:37,459 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 10:55:37,459 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:39,489 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:39,489 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:55:39,489 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:39,489 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:55:39,489 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:39,490 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:39,490 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-14 10:55:39,490 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:55:39,490 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:39,490 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 10:55:39,490 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:39,490 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 10:55:39,490 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-14 10:55:39,490 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:55:39,490 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:55:39,490 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 10:55:39,490 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-14 10:55:39,490 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 10:55:39,490 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-14 10:55:39,490 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2025-04-14 10:55:39,490 INFO L403 AbstractCegarLoop]: === Iteration 20 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 10:55:39,490 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 10:55:39,491 INFO L139 ounterexampleChecker]: Examining path program with hash -1505517666, occurence #1 [2025-04-14 10:55:39,491 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 10:55:39,491 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 10:55:39,491 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 10:55:39,491 INFO L85 PathProgramCache]: Analyzing trace with hash -962417719, now seen corresponding path program 1 times [2025-04-14 10:55:39,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 10:55:39,491 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780237336] [2025-04-14 10:55:39,491 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 10:55:39,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 10:55:39,727 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 267 statements into 1 equivalence classes. [2025-04-14 10:55:39,768 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 267 of 267 statements. [2025-04-14 10:55:39,769 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 10:55:39,769 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 10:55:39,831 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2025-04-14 10:55:39,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 10:55:39,832 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780237336] [2025-04-14 10:55:39,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [780237336] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 10:55:39,832 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 10:55:39,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-14 10:55:39,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759368992] [2025-04-14 10:55:39,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 10:55:39,832 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-14 10:55:39,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 10:55:39,833 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-14 10:55:39,833 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-14 10:55:39,833 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:39,833 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 10:55:39,833 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 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 10:55:39,833 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:39,833 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:55:39,833 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:39,833 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:55:39,833 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:39,833 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:39,833 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-14 10:55:39,833 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:55:39,833 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:39,833 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 10:55:39,833 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:39,833 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 10:55:39,833 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-14 10:55:39,833 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:55:39,834 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:55:39,834 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 10:55:39,834 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-14 10:55:39,834 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 10:55:39,834 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-14 10:55:39,834 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:39,937 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:39,937 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:55:39,937 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:39,937 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:55:39,937 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:39,937 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:39,937 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-14 10:55:39,937 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:55:39,937 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:39,937 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 10:55:39,937 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:39,937 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 10:55:39,938 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-14 10:55:39,938 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:55:39,938 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:55:39,938 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 10:55:39,938 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-14 10:55:39,938 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 10:55:39,938 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-14 10:55:39,938 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:55:39,938 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2025-04-14 10:55:39,938 INFO L403 AbstractCegarLoop]: === Iteration 21 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 10:55:39,938 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 10:55:39,938 INFO L139 ounterexampleChecker]: Examining path program with hash 778331895, occurence #1 [2025-04-14 10:55:39,938 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 10:55:39,938 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 10:55:39,939 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 10:55:39,939 INFO L85 PathProgramCache]: Analyzing trace with hash 357539380, now seen corresponding path program 2 times [2025-04-14 10:55:39,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 10:55:39,939 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668744428] [2025-04-14 10:55:39,939 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 10:55:39,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 10:55:40,163 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 240 statements into 2 equivalence classes. [2025-04-14 10:55:40,172 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 150 of 240 statements. [2025-04-14 10:55:40,172 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-14 10:55:40,173 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 10:55:40,320 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2025-04-14 10:55:40,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 10:55:40,321 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668744428] [2025-04-14 10:55:40,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1668744428] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 10:55:40,321 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 10:55:40,321 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-04-14 10:55:40,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514422781] [2025-04-14 10:55:40,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 10:55:40,321 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-04-14 10:55:40,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 10:55:40,322 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-04-14 10:55:40,322 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-04-14 10:55:40,322 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:40,322 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 10:55:40,322 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 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 10:55:40,322 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:40,322 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:55:40,322 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:40,322 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:55:40,322 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:40,322 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:40,322 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-14 10:55:40,322 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:55:40,322 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:40,322 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 10:55:40,322 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:40,322 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 10:55:40,323 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-14 10:55:40,323 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:55:40,323 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:55:40,323 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 10:55:40,323 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-14 10:55:40,323 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 10:55:40,323 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-14 10:55:40,323 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:55:40,323 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:40,564 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:40,565 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:55:40,565 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:40,565 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:55:40,565 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:40,565 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:40,565 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-14 10:55:40,565 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:55:40,565 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:40,565 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 10:55:40,565 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:40,565 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 10:55:40,565 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-14 10:55:40,567 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:55:40,567 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:55:40,567 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 10:55:40,567 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-14 10:55:40,567 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 10:55:40,567 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-14 10:55:40,567 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:55:40,567 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:40,567 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2025-04-14 10:55:40,567 INFO L403 AbstractCegarLoop]: === Iteration 22 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 10:55:40,567 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 10:55:40,568 INFO L139 ounterexampleChecker]: Examining path program with hash 771972956, occurence #1 [2025-04-14 10:55:40,568 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 10:55:40,568 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 10:55:40,568 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 10:55:40,568 INFO L85 PathProgramCache]: Analyzing trace with hash 406397860, now seen corresponding path program 1 times [2025-04-14 10:55:40,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 10:55:40,568 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732165239] [2025-04-14 10:55:40,568 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 10:55:40,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 10:55:40,793 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 288 statements into 1 equivalence classes. [2025-04-14 10:55:40,821 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 288 of 288 statements. [2025-04-14 10:55:40,821 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 10:55:40,821 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 10:55:41,128 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-14 10:55:41,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 10:55:41,129 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732165239] [2025-04-14 10:55:41,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [732165239] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 10:55:41,129 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 10:55:41,129 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-04-14 10:55:41,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284923937] [2025-04-14 10:55:41,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 10:55:41,129 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-04-14 10:55:41,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 10:55:41,130 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-04-14 10:55:41,130 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2025-04-14 10:55:41,130 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:41,130 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 10:55:41,130 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 15.88888888888889) internal successors, (143), 8 states have internal predecessors, (143), 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 10:55:41,130 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:41,130 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:55:41,130 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:41,130 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:55:41,130 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:41,130 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:41,130 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-14 10:55:41,130 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:55:41,130 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:41,130 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 10:55:41,130 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:41,130 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 10:55:41,130 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-14 10:55:41,130 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:55:41,130 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:55:41,130 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 10:55:41,130 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-14 10:55:41,130 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 10:55:41,130 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-14 10:55:41,130 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:55:41,130 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:41,131 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:41,295 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:41,296 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:55:41,296 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:41,296 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:55:41,296 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:41,296 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:41,296 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-14 10:55:41,296 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:55:41,296 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:41,296 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 10:55:41,296 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:41,296 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 10:55:41,296 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-14 10:55:41,296 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:55:41,296 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:55:41,296 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 10:55:41,296 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-14 10:55:41,296 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 10:55:41,296 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-14 10:55:41,296 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:55:41,296 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:41,296 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 10:55:41,297 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2025-04-14 10:55:41,297 INFO L403 AbstractCegarLoop]: === Iteration 23 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 10:55:41,297 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 10:55:41,297 INFO L139 ounterexampleChecker]: Examining path program with hash 1388969882, occurence #1 [2025-04-14 10:55:41,297 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 10:55:41,297 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 10:55:41,298 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 10:55:41,298 INFO L85 PathProgramCache]: Analyzing trace with hash 24572515, now seen corresponding path program 2 times [2025-04-14 10:55:41,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 10:55:41,298 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34430280] [2025-04-14 10:55:41,298 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 10:55:41,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 10:55:41,522 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 287 statements into 2 equivalence classes. [2025-04-14 10:55:41,561 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 148 of 287 statements. [2025-04-14 10:55:41,562 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-14 10:55:41,562 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 10:55:42,276 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 14 proven. 1 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2025-04-14 10:55:42,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 10:55:42,277 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [34430280] [2025-04-14 10:55:42,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [34430280] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 10:55:42,277 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1567087339] [2025-04-14 10:55:42,277 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 10:55:42,277 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 10:55:42,277 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 10:55:42,279 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 10:55:42,281 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 10:55:42,899 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 287 statements into 2 equivalence classes. [2025-04-14 10:55:42,973 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 148 of 287 statements. [2025-04-14 10:55:42,973 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-14 10:55:42,973 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 10:55:42,977 INFO L256 TraceCheckSpWp]: Trace formula consists of 1045 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-04-14 10:55:42,982 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 10:55:43,000 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2025-04-14 10:55:43,000 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-04-14 10:55:43,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1567087339] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 10:55:43,000 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-04-14 10:55:43,000 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [11] total 15 [2025-04-14 10:55:43,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407600319] [2025-04-14 10:55:43,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 10:55:43,001 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-04-14 10:55:43,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 10:55:43,001 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-04-14 10:55:43,001 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=159, Unknown=0, NotChecked=0, Total=210 [2025-04-14 10:55:43,001 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:43,002 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 10:55:43,002 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 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 10:55:43,002 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:43,002 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:55:43,002 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:43,002 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:55:43,002 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:43,002 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:43,002 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-14 10:55:43,002 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:55:43,002 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:43,002 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 10:55:43,002 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:43,002 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 10:55:43,002 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-14 10:55:43,002 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:55:43,002 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:55:43,002 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 10:55:43,002 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-14 10:55:43,002 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 10:55:43,002 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-14 10:55:43,002 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:55:43,002 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:43,002 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 10:55:43,002 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:46,925 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:46,926 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:55:46,926 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:46,926 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:55:46,929 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:46,929 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:46,929 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-14 10:55:46,930 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:55:46,930 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:46,930 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 10:55:46,930 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:46,930 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 10:55:46,930 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-14 10:55:46,930 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:55:46,930 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:55:46,930 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 10:55:46,930 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-14 10:55:46,930 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 10:55:46,930 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-14 10:55:46,930 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:55:46,934 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:46,934 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 10:55:46,934 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:55:46,951 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-04-14 10:55:47,134 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2025-04-14 10:55:47,135 INFO L403 AbstractCegarLoop]: === Iteration 24 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 10:55:47,135 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 10:55:47,135 INFO L139 ounterexampleChecker]: Examining path program with hash 924957357, occurence #1 [2025-04-14 10:55:47,135 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 10:55:47,135 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 10:55:47,136 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 10:55:47,136 INFO L85 PathProgramCache]: Analyzing trace with hash 1965488918, now seen corresponding path program 1 times [2025-04-14 10:55:47,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 10:55:47,136 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107688888] [2025-04-14 10:55:47,136 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 10:55:47,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 10:55:47,337 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 134 statements into 1 equivalence classes. [2025-04-14 10:55:47,354 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 134 of 134 statements. [2025-04-14 10:55:47,355 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 10:55:47,355 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 10:55:47,538 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 10:55:47,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 10:55:47,539 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107688888] [2025-04-14 10:55:47,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2107688888] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 10:55:47,539 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2134350815] [2025-04-14 10:55:47,539 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 10:55:47,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 10:55:47,539 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 10:55:47,541 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 10:55:47,543 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 10:55:48,132 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 134 statements into 1 equivalence classes. [2025-04-14 10:55:48,196 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 134 of 134 statements. [2025-04-14 10:55:48,196 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 10:55:48,196 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 10:55:48,199 INFO L256 TraceCheckSpWp]: Trace formula consists of 965 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-04-14 10:55:48,204 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 10:55:48,292 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 10:55:48,292 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 10:55:48,417 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 10:55:48,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2134350815] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 10:55:48,418 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 10:55:48,418 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2025-04-14 10:55:48,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114705096] [2025-04-14 10:55:48,418 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 10:55:48,418 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2025-04-14 10:55:48,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 10:55:48,419 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2025-04-14 10:55:48,419 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=171, Unknown=0, NotChecked=0, Total=342 [2025-04-14 10:55:48,419 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:48,419 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 10:55:48,419 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 13.894736842105264) internal successors, (264), 18 states have internal predecessors, (264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 10:55:48,419 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:48,419 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:55:48,419 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:48,419 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:55:48,419 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:48,419 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:48,419 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-14 10:55:48,419 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:55:48,419 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:48,419 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 10:55:48,419 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:48,419 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 10:55:48,420 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-14 10:55:48,420 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:55:48,420 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:55:48,420 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 10:55:48,420 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-14 10:55:48,420 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 10:55:48,420 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-14 10:55:48,420 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:55:48,420 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:48,420 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 10:55:48,420 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:55:48,420 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:48,990 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:48,990 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:55:48,990 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:48,990 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:55:48,990 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:48,990 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:48,991 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-14 10:55:48,991 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:55:48,991 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:48,991 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 10:55:48,991 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:48,991 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 10:55:48,991 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-14 10:55:48,991 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:55:48,991 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:55:48,991 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 10:55:48,991 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-14 10:55:48,991 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 10:55:48,991 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-14 10:55:48,991 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:55:48,991 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:48,991 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 10:55:48,991 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:55:48,991 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-14 10:55:49,000 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 10:55:49,192 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 10:55:49,192 INFO L403 AbstractCegarLoop]: === Iteration 25 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 10:55:49,192 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 10:55:49,192 INFO L139 ounterexampleChecker]: Examining path program with hash 924957357, occurence #2 [2025-04-14 10:55:49,192 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 10:55:49,192 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 10:55:49,192 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:55:49,192 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2025-04-14 10:55:49,193 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 10:55:49,193 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2025-04-14 10:55:49,193 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 10:55:49,193 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2025-04-14 10:55:49,193 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:55:49,193 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2025-04-14 10:55:49,193 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 10:55:49,193 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2025-04-14 10:55:49,193 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:55:49,193 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 72 [2025-04-14 10:55:49,193 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:55:49,193 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 85 [2025-04-14 10:55:49,193 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:55:49,193 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 98 [2025-04-14 10:55:49,193 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:55:49,193 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 111 [2025-04-14 10:55:49,193 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:55:49,193 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 124 [2025-04-14 10:55:49,193 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:55:49,193 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 137 [2025-04-14 10:55:49,193 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:55:49,193 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 150 [2025-04-14 10:55:49,193 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:55:49,193 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 163 [2025-04-14 10:55:49,193 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:55:49,193 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 176 [2025-04-14 10:55:49,193 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:55:49,193 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 189 [2025-04-14 10:55:49,193 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:55:49,194 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 202 [2025-04-14 10:55:49,194 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:55:49,194 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 215 [2025-04-14 10:55:49,194 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:55:49,194 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 228 [2025-04-14 10:55:49,194 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:55:49,194 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 244 [2025-04-14 10:55:49,194 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:55:49,194 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 249 [2025-04-14 10:55:49,215 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 10:55:49,215 INFO L85 PathProgramCache]: Analyzing trace with hash -1120515332, now seen corresponding path program 1 times [2025-04-14 10:55:49,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 10:55:49,216 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901288245] [2025-04-14 10:55:49,216 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 10:55:49,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 10:55:49,459 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 250 statements into 1 equivalence classes. [2025-04-14 10:55:49,484 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 250 of 250 statements. [2025-04-14 10:55:49,484 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 10:55:49,484 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 10:55:49,941 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 8 proven. 274 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 10:55:49,942 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 10:55:49,942 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901288245] [2025-04-14 10:55:49,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [901288245] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 10:55:49,942 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [658427764] [2025-04-14 10:55:49,942 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 10:55:49,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 10:55:50,248 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 250 statements into 1 equivalence classes. [2025-04-14 10:55:50,300 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 250 of 250 statements. [2025-04-14 10:55:50,301 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 10:55:50,301 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 10:55:50,308 INFO L256 TraceCheckSpWp]: Trace formula consists of 1682 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-04-14 10:55:50,312 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 10:55:50,472 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 8 proven. 274 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 10:55:50,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [658427764] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 10:55:50,472 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 10:55:50,472 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 19 [2025-04-14 10:55:50,473 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 10:55:50,473 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 10:55:50,473 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 10:55:50,473 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 10:55:50,473 INFO L85 PathProgramCache]: Analyzing trace with hash -376282480, now seen corresponding path program 2 times [2025-04-14 10:55:50,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 10:55:50,473 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705995627] [2025-04-14 10:55:50,473 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 10:55:50,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 10:55:50,699 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 251 statements into 2 equivalence classes. [2025-04-14 10:55:50,840 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 251 of 251 statements. [2025-04-14 10:55:50,840 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-14 10:55:50,840 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 10:55:51,408 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 8 proven. 274 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 10:55:51,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 10:55:51,408 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705995627] [2025-04-14 10:55:51,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1705995627] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 10:55:51,408 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1621704813] [2025-04-14 10:55:51,408 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 10:55:51,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 10:55:51,409 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 10:55:51,411 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 10:55:51,412 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 10:55:52,075 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 251 statements into 2 equivalence classes. [2025-04-14 10:55:58,010 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 251 of 251 statements. [2025-04-14 10:55:58,011 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-14 10:55:58,011 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 10:55:58,018 INFO L256 TraceCheckSpWp]: Trace formula consists of 1685 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-04-14 10:55:58,023 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 10:55:58,183 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 8 proven. 274 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 10:55:58,183 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 10:55:58,554 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 8 proven. 274 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 10:55:58,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1621704813] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 10:55:58,554 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 10:55:58,554 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 18] total 36 [2025-04-14 10:55:58,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880249938] [2025-04-14 10:55:58,554 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 10:55:58,555 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2025-04-14 10:55:58,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 10:55:58,556 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2025-04-14 10:55:58,556 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=666, Invalid=666, Unknown=0, NotChecked=0, Total=1332 [2025-04-14 10:55:58,556 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:58,556 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 10:55:58,557 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 13.45945945945946) internal successors, (498), 36 states have internal predecessors, (498), 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 10:55:58,557 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:55:58,557 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:55:58,557 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:58,557 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:55:58,557 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:58,557 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:58,557 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-14 10:55:58,557 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:55:58,557 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:58,557 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 10:55:58,557 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:58,557 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 10:55:58,557 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-14 10:55:58,557 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:55:58,557 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:55:58,557 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 10:55:58,557 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-14 10:55:58,557 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 10:55:58,557 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-14 10:55:58,557 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:55:58,557 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:55:58,557 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 10:55:58,557 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:55:58,557 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-14 10:55:58,557 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:56:22,542 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:56:22,543 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:56:22,543 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 10:56:22,543 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:56:22,543 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 10:56:22,543 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:56:22,543 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-14 10:56:22,543 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:56:22,543 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:56:22,543 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 10:56:22,543 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:56:22,543 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 10:56:22,543 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-14 10:56:22,543 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:56:22,543 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:56:22,543 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 10:56:22,543 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 10:56:22,543 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 10:56:22,543 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-14 10:56:22,543 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:56:22,543 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:56:22,543 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 10:56:22,543 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:56:22,543 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-14 10:56:22,543 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-04-14 10:56:22,555 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 10:56:22,744 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,SelfDestructingSolverStorable42,SelfDestructingSolverStorable43,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 10:56:22,744 INFO L403 AbstractCegarLoop]: === Iteration 26 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 10:56:22,744 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 10:56:22,745 INFO L139 ounterexampleChecker]: Examining path program with hash 924957357, occurence #3 [2025-04-14 10:56:22,745 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 10:56:22,745 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 10:56:22,745 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:56:22,745 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2025-04-14 10:56:22,745 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 10:56:22,745 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2025-04-14 10:56:22,745 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 10:56:22,745 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2025-04-14 10:56:22,745 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:56:22,745 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2025-04-14 10:56:22,745 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 10:56:22,745 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2025-04-14 10:56:22,745 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:56:22,745 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 72 [2025-04-14 10:56:22,745 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:56:22,745 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 85 [2025-04-14 10:56:22,745 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:56:22,745 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 98 [2025-04-14 10:56:22,745 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:56:22,745 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 111 [2025-04-14 10:56:22,746 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:56:22,746 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 124 [2025-04-14 10:56:22,746 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:56:22,746 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 137 [2025-04-14 10:56:22,746 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:56:22,746 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 150 [2025-04-14 10:56:22,746 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:56:22,746 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 163 [2025-04-14 10:56:22,746 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:56:22,746 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 176 [2025-04-14 10:56:22,746 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:56:22,746 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 189 [2025-04-14 10:56:22,746 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:56:22,746 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 202 [2025-04-14 10:56:22,746 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:56:22,746 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 215 [2025-04-14 10:56:22,746 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:56:22,746 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 228 [2025-04-14 10:56:22,746 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:56:22,746 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 241 [2025-04-14 10:56:22,746 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:56:22,746 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 254 [2025-04-14 10:56:22,746 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:56:22,746 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 267 [2025-04-14 10:56:22,747 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:56:22,747 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 280 [2025-04-14 10:56:22,747 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:56:22,747 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 293 [2025-04-14 10:56:22,747 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:56:22,747 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 306 [2025-04-14 10:56:22,747 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:56:22,747 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 319 [2025-04-14 10:56:22,747 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:56:22,747 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 332 [2025-04-14 10:56:22,747 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:56:22,747 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 345 [2025-04-14 10:56:22,747 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:56:22,747 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 358 [2025-04-14 10:56:22,747 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:56:22,747 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 371 [2025-04-14 10:56:22,747 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:56:22,747 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 384 [2025-04-14 10:56:22,747 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:56:22,747 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 397 [2025-04-14 10:56:22,747 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:56:22,747 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 410 [2025-04-14 10:56:22,747 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:56:22,747 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 423 [2025-04-14 10:56:22,748 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:56:22,748 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 436 [2025-04-14 10:56:22,748 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:56:22,748 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 449 [2025-04-14 10:56:22,748 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:56:22,748 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 462 [2025-04-14 10:56:22,748 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:56:22,748 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 478 [2025-04-14 10:56:22,748 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:56:22,748 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 483 [2025-04-14 10:56:22,764 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 10:56:22,764 INFO L85 PathProgramCache]: Analyzing trace with hash -1999618947, now seen corresponding path program 1 times [2025-04-14 10:56:22,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 10:56:22,764 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454097390] [2025-04-14 10:56:22,764 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 10:56:22,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 10:56:22,989 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 484 statements into 1 equivalence classes. [2025-04-14 10:56:23,047 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 484 of 484 statements. [2025-04-14 10:56:23,047 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 10:56:23,047 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 10:56:24,686 INFO L134 CoverageAnalysis]: Checked inductivity of 1875 backedges. 1875 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 10:56:24,687 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 10:56:24,687 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [454097390] [2025-04-14 10:56:24,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [454097390] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 10:56:24,687 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 10:56:24,687 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2025-04-14 10:56:24,688 INFO L172 ounterexampleChecker]: Successfully proved commutativity at non-minimality point 483. Constructing proof automaton... [2025-04-14 10:56:24,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 10:56:24,689 INFO L311 artialOrderCegarLoop]: Commutativity proof succeeded, skipping feasibility check. [2025-04-14 10:56:24,689 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2025-04-14 10:56:24,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SMTINTERPOL [2025-04-14 10:56:24,690 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2025-04-14 10:56:24,691 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=597, Invalid=663, Unknown=0, NotChecked=0, Total=1260 [2025-04-14 10:56:24,691 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:56:24,691 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 10:56:24,691 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 13.416666666666666) internal successors, (483), 35 states have internal predecessors, (483), 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 10:56:24,691 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:56:24,691 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:56:24,691 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 10:56:24,691 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:56:24,691 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 10:56:24,691 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:56:24,691 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-14 10:56:24,691 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:56:24,691 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:56:24,691 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 10:56:24,691 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:56:24,691 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 10:56:24,691 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-14 10:56:24,691 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:56:24,691 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:56:24,691 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 10:56:24,691 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 10:56:24,691 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 10:56:24,691 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-14 10:56:24,691 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:56:24,691 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:56:24,691 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 10:56:24,691 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:56:24,691 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-14 10:56:24,691 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2025-04-14 10:56:24,692 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:56:27,945 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:56:27,945 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:56:27,945 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 10:56:27,945 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:56:27,945 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 10:56:27,945 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:56:27,945 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-14 10:56:27,945 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:56:27,945 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:56:27,945 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 10:56:27,945 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:56:27,945 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 10:56:27,945 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-14 10:56:27,945 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:56:27,945 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:56:27,945 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 10:56:27,945 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 10:56:27,946 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 10:56:27,946 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-14 10:56:27,946 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:56:27,946 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:56:27,946 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 10:56:27,946 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:56:27,946 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-14 10:56:27,946 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-04-14 10:56:27,946 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2025-04-14 10:56:27,946 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2025-04-14 10:56:27,946 INFO L403 AbstractCegarLoop]: === Iteration 27 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 10:56:27,946 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 10:56:27,946 INFO L139 ounterexampleChecker]: Examining path program with hash 76495675, occurence #1 [2025-04-14 10:56:27,946 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 10:56:27,946 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 10:56:27,947 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 10:56:27,947 INFO L85 PathProgramCache]: Analyzing trace with hash 1143353021, now seen corresponding path program 1 times [2025-04-14 10:56:27,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 10:56:27,947 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186570893] [2025-04-14 10:56:27,947 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 10:56:27,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 10:56:28,162 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 443 statements into 1 equivalence classes. [2025-04-14 10:56:31,145 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 443 of 443 statements. [2025-04-14 10:56:31,145 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 10:56:31,145 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 10:56:33,051 INFO L134 CoverageAnalysis]: Checked inductivity of 1584 backedges. 0 proven. 220 refuted. 0 times theorem prover too weak. 1364 trivial. 0 not checked. [2025-04-14 10:56:33,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 10:56:33,052 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186570893] [2025-04-14 10:56:33,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [186570893] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 10:56:33,052 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [659366594] [2025-04-14 10:56:33,052 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 10:56:33,052 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 10:56:33,052 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 10:56:33,054 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 10:56:33,055 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 10:56:33,758 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 443 statements into 1 equivalence classes. [2025-04-14 10:56:33,958 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 443 of 443 statements. [2025-04-14 10:56:33,959 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 10:56:33,959 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 10:56:33,970 INFO L256 TraceCheckSpWp]: Trace formula consists of 2877 conjuncts, 107 conjuncts are in the unsatisfiable core [2025-04-14 10:56:33,978 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 10:56:36,384 INFO L325 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2025-04-14 10:56:36,384 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2025-04-14 10:56:36,564 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 10:56:36,570 INFO L325 Elim1Store]: treesize reduction 21, result has 30.0 percent of original size [2025-04-14 10:56:36,570 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 32 treesize of output 32 [2025-04-14 10:56:36,623 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 10:56:36,624 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 17 [2025-04-14 10:56:36,651 INFO L134 CoverageAnalysis]: Checked inductivity of 1584 backedges. 0 proven. 1584 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 10:56:36,651 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 10:56:36,755 WARN L849 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_10458 (Array Int Int))) (not (= (select (select (store |c_#memory_int| |c_~#m~0.base| v_ArrVal_10458) |c_~#top~0.base|) |c_~#top~0.offset|) 0))) is different from false [2025-04-14 10:56:36,847 INFO L325 Elim1Store]: treesize reduction 15, result has 64.3 percent of original size [2025-04-14 10:56:36,847 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 1 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 38 [2025-04-14 10:56:36,851 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-14 10:56:36,851 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 50 [2025-04-14 10:56:36,854 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 20 treesize of output 18 [2025-04-14 10:56:38,675 INFO L134 CoverageAnalysis]: Checked inductivity of 1584 backedges. 0 proven. 1566 refuted. 0 times theorem prover too weak. 0 trivial. 18 not checked. [2025-04-14 10:56:38,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [659366594] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 10:56:38,676 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 10:56:38,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 43, 40] total 93 [2025-04-14 10:56:38,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31818845] [2025-04-14 10:56:38,676 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 10:56:38,677 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 95 states [2025-04-14 10:56:38,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 10:56:38,678 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 95 interpolants. [2025-04-14 10:56:38,680 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1440, Invalid=7287, Unknown=19, NotChecked=184, Total=8930 [2025-04-14 10:56:38,680 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:56:38,680 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 10:56:38,680 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 95 states, 94 states have (on average 10.436170212765957) internal successors, (981), 94 states have internal predecessors, (981), 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 10:56:38,680 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:56:38,680 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:56:38,680 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 10:56:38,680 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:56:38,680 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 10:56:38,680 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:56:38,681 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-14 10:56:38,681 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:56:38,681 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:56:38,681 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 10:56:38,681 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:56:38,681 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 10:56:38,681 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-14 10:56:38,681 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:56:38,681 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:56:38,681 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 10:56:38,681 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 10:56:38,681 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 10:56:38,681 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-14 10:56:38,681 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:56:38,681 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:56:38,681 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 10:56:38,681 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:56:38,681 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-14 10:56:38,681 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2025-04-14 10:56:38,681 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2025-04-14 10:56:38,681 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:56:56,486 WARN L330 ript$VariableManager]: TermVariable v_subst_4 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-04-14 10:56:56,890 WARN L330 ript$VariableManager]: TermVariable |thr1Thread3of3ForFork0_push_~#casret~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-04-14 10:56:57,217 WARN L330 ript$VariableManager]: TermVariable |thr1Thread3of3ForFork0_push_~#casret~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-04-14 10:57:13,465 WARN L330 ript$VariableManager]: TermVariable |thr1Thread3of3ForFork0_push_~#casret~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-04-14 10:57:13,506 WARN L330 ript$VariableManager]: TermVariable |thr1Thread3of3ForFork0_push_~#casret~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-04-14 10:57:13,770 WARN L330 ript$VariableManager]: TermVariable v_subst_6 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-04-14 10:57:13,832 WARN L330 ript$VariableManager]: TermVariable |thr1Thread3of3ForFork0_push_~#casret~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-04-14 10:57:14,251 WARN L330 ript$VariableManager]: TermVariable |thr1Thread3of3ForFork0_push_~#casret~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-04-14 10:57:14,363 WARN L330 ript$VariableManager]: TermVariable v_subst_5 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-04-14 10:57:14,377 WARN L330 ript$VariableManager]: TermVariable v_subst_5 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-04-14 10:57:14,643 WARN L330 ript$VariableManager]: TermVariable v_subst_6 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-04-14 10:57:14,650 WARN L330 ript$VariableManager]: TermVariable v_subst_6 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-04-14 10:57:14,684 WARN L330 ript$VariableManager]: TermVariable v_subst_5 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-04-14 10:57:14,690 WARN L330 ript$VariableManager]: TermVariable v_subst_6 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-04-14 10:57:14,727 WARN L330 ript$VariableManager]: TermVariable |thr1Thread3of3ForFork0_push_~#casret~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-04-14 10:57:14,942 WARN L330 ript$VariableManager]: TermVariable v_subst_5 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-04-14 10:57:15,161 WARN L330 ript$VariableManager]: TermVariable |thr1Thread3of3ForFork0_push_~#casret~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-04-14 10:57:15,182 WARN L330 ript$VariableManager]: TermVariable |thr1Thread3of3ForFork0_push_~#casret~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-04-14 10:57:15,297 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:57:15,297 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:57:15,297 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 10:57:15,297 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:57:15,297 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 10:57:15,297 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:57:15,297 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-14 10:57:15,297 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:57:15,297 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:57:15,297 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 10:57:15,297 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:57:15,297 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 10:57:15,297 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-14 10:57:15,297 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:57:15,297 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:57:15,297 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 10:57:15,297 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 10:57:15,297 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 10:57:15,297 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-14 10:57:15,297 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:57:15,297 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:57:15,297 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 10:57:15,298 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:57:15,298 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-14 10:57:15,298 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-04-14 10:57:15,298 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2025-04-14 10:57:15,299 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 201 states. [2025-04-14 10:57:15,314 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-04-14 10:57:15,499 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 10:57:15,499 INFO L403 AbstractCegarLoop]: === Iteration 28 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 10:57:15,499 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 10:57:15,500 INFO L139 ounterexampleChecker]: Examining path program with hash -1344736188, occurence #1 [2025-04-14 10:57:15,500 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 10:57:15,500 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 10:57:15,500 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 10:57:15,500 INFO L85 PathProgramCache]: Analyzing trace with hash 40707248, now seen corresponding path program 1 times [2025-04-14 10:57:15,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 10:57:15,500 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910185718] [2025-04-14 10:57:15,500 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 10:57:15,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 10:57:15,730 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 452 statements into 1 equivalence classes. [2025-04-14 10:57:16,226 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 452 of 452 statements. [2025-04-14 10:57:16,227 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 10:57:16,227 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 10:57:17,899 INFO L134 CoverageAnalysis]: Checked inductivity of 1584 backedges. 10 proven. 114 refuted. 0 times theorem prover too weak. 1460 trivial. 0 not checked. [2025-04-14 10:57:17,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 10:57:17,899 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910185718] [2025-04-14 10:57:17,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1910185718] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 10:57:17,899 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2115001091] [2025-04-14 10:57:17,899 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 10:57:17,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 10:57:17,900 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 10:57:17,901 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 10:57:17,903 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 10:57:18,679 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 452 statements into 1 equivalence classes. [2025-04-14 10:57:18,879 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 452 of 452 statements. [2025-04-14 10:57:18,879 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 10:57:18,879 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 10:57:18,891 INFO L256 TraceCheckSpWp]: Trace formula consists of 2916 conjuncts, 103 conjuncts are in the unsatisfiable core [2025-04-14 10:57:18,898 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 10:57:20,352 INFO L325 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2025-04-14 10:57:20,352 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2025-04-14 10:57:20,407 INFO L134 CoverageAnalysis]: Checked inductivity of 1584 backedges. 0 proven. 1584 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 10:57:20,407 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 10:57:22,182 INFO L134 CoverageAnalysis]: Checked inductivity of 1584 backedges. 0 proven. 1584 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 10:57:22,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2115001091] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 10:57:22,182 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 10:57:22,182 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 42, 40] total 93 [2025-04-14 10:57:22,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126643301] [2025-04-14 10:57:22,182 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 10:57:22,183 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 95 states [2025-04-14 10:57:22,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 10:57:22,185 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 95 interpolants. [2025-04-14 10:57:22,186 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1473, Invalid=7456, Unknown=1, NotChecked=0, Total=8930 [2025-04-14 10:57:22,186 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:57:22,186 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 10:57:22,187 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 95 states, 94 states have (on average 10.606382978723405) internal successors, (997), 94 states have internal predecessors, (997), 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 10:57:22,187 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:57:22,187 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:57:22,187 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 10:57:22,187 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:57:22,187 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 10:57:22,187 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:57:22,187 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-14 10:57:22,187 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:57:22,187 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:57:22,187 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 10:57:22,187 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:57:22,187 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 10:57:22,187 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-14 10:57:22,187 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:57:22,187 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:57:22,187 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 10:57:22,187 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 10:57:22,187 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 10:57:22,187 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-14 10:57:22,187 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:57:22,187 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:57:22,187 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 10:57:22,187 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:57:22,187 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-14 10:57:22,187 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2025-04-14 10:57:22,187 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2025-04-14 10:57:22,187 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 201 states. [2025-04-14 10:57:22,187 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:57:40,453 WARN L330 ript$VariableManager]: TermVariable v_subst_11 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-04-14 10:57:40,479 WARN L330 ript$VariableManager]: TermVariable v_subst_11 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-04-14 10:58:02,732 WARN L330 ript$VariableManager]: TermVariable |thr1Thread2of3ForFork0_push_~#casret~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-04-14 10:58:03,464 WARN L330 ript$VariableManager]: TermVariable v_subst_14 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-04-14 10:58:03,469 WARN L330 ript$VariableManager]: TermVariable v_subst_14 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-04-14 10:58:06,081 WARN L330 ript$VariableManager]: TermVariable v_subst_13 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-04-14 10:58:06,106 WARN L330 ript$VariableManager]: TermVariable |thr1Thread2of3ForFork0_push_~#casret~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-04-14 10:58:06,119 WARN L330 ript$VariableManager]: TermVariable |thr1Thread2of3ForFork0_push_~#casret~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-04-14 10:58:06,150 WARN L330 ript$VariableManager]: TermVariable |thr1Thread2of3ForFork0_push_~#casret~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-04-14 10:58:06,164 WARN L330 ript$VariableManager]: TermVariable |thr1Thread2of3ForFork0_push_~#casret~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-04-14 10:58:06,188 WARN L330 ript$VariableManager]: TermVariable |thr1Thread2of3ForFork0_push_~#casret~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-04-14 10:58:06,201 WARN L330 ript$VariableManager]: TermVariable |thr1Thread2of3ForFork0_push_~#casret~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-04-14 10:58:07,710 WARN L330 ript$VariableManager]: TermVariable |thr1Thread2of3ForFork0_push_~#casret~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-04-14 10:58:08,266 WARN L330 ript$VariableManager]: TermVariable v_subst_12 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-04-14 10:58:10,521 WARN L330 ript$VariableManager]: TermVariable |thr1Thread2of3ForFork0_push_~#casret~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-04-14 10:58:10,564 WARN L330 ript$VariableManager]: TermVariable v_subst_12 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-04-14 10:58:10,637 WARN L330 ript$VariableManager]: TermVariable v_subst_11 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-04-14 10:58:11,002 WARN L330 ript$VariableManager]: TermVariable v_subst_12 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-04-14 10:58:11,008 WARN L330 ript$VariableManager]: TermVariable v_subst_12 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-04-14 10:58:15,063 WARN L330 ript$VariableManager]: TermVariable v_subst_12 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-04-14 10:58:15,095 WARN L330 ript$VariableManager]: TermVariable |thr1Thread2of3ForFork0_push_~#casret~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-04-14 10:58:15,122 WARN L330 ript$VariableManager]: TermVariable |thr1Thread2of3ForFork0_push_~#casret~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-04-14 10:58:15,149 WARN L330 ript$VariableManager]: TermVariable |thr1Thread2of3ForFork0_push_~#casret~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-04-14 10:58:15,477 WARN L330 ript$VariableManager]: TermVariable v_subst_14 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-04-14 10:58:15,516 WARN L330 ript$VariableManager]: TermVariable |thr1Thread2of3ForFork0_push_~#casret~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-04-14 10:58:15,673 WARN L330 ript$VariableManager]: TermVariable |thr1Thread2of3ForFork0_push_~#casret~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-04-14 10:58:15,727 WARN L330 ript$VariableManager]: TermVariable v_subst_12 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-04-14 10:58:15,733 WARN L330 ript$VariableManager]: TermVariable v_subst_12 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-04-14 10:58:16,163 WARN L330 ript$VariableManager]: TermVariable v_subst_12 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-04-14 10:58:16,230 WARN L330 ript$VariableManager]: TermVariable v_subst_12 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-04-14 10:58:16,255 WARN L330 ript$VariableManager]: TermVariable |thr1Thread2of3ForFork0_push_~#casret~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-04-14 10:58:16,326 WARN L330 ript$VariableManager]: TermVariable v_subst_14 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-04-14 10:58:16,341 WARN L330 ript$VariableManager]: TermVariable v_subst_14 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-04-14 10:58:16,371 WARN L330 ript$VariableManager]: TermVariable |thr1Thread2of3ForFork0_push_~#casret~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-04-14 10:58:16,439 WARN L330 ript$VariableManager]: TermVariable v_subst_14 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-04-14 10:58:16,517 WARN L330 ript$VariableManager]: TermVariable v_subst_14 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-04-14 10:58:16,525 WARN L330 ript$VariableManager]: TermVariable v_subst_14 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-04-14 10:58:16,564 WARN L330 ript$VariableManager]: TermVariable v_subst_12 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-04-14 10:58:16,603 WARN L330 ript$VariableManager]: TermVariable |thr1Thread2of3ForFork0_push_~#casret~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-04-14 10:58:16,830 WARN L330 ript$VariableManager]: TermVariable v_subst_14 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-04-14 10:58:16,852 WARN L330 ript$VariableManager]: TermVariable v_subst_14 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-04-14 10:58:16,860 WARN L330 ript$VariableManager]: TermVariable |thr1Thread2of3ForFork0_push_~#casret~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-04-14 10:58:16,865 WARN L330 ript$VariableManager]: TermVariable v_subst_12 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-04-14 10:58:16,909 WARN L330 ript$VariableManager]: TermVariable v_subst_12 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-04-14 10:58:16,922 WARN L330 ript$VariableManager]: TermVariable v_subst_12 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-04-14 10:58:16,973 WARN L330 ript$VariableManager]: TermVariable v_subst_12 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-04-14 10:58:16,987 WARN L330 ript$VariableManager]: TermVariable v_subst_14 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-04-14 10:58:17,012 WARN L330 ript$VariableManager]: TermVariable v_subst_14 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-04-14 10:58:17,018 WARN L330 ript$VariableManager]: TermVariable v_subst_14 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-04-14 10:58:17,022 WARN L330 ript$VariableManager]: TermVariable v_subst_14 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-04-14 10:58:17,097 WARN L330 ript$VariableManager]: TermVariable v_subst_12 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-04-14 10:58:17,153 WARN L330 ript$VariableManager]: TermVariable v_subst_14 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-04-14 10:58:17,301 WARN L330 ript$VariableManager]: TermVariable v_subst_11 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-04-14 10:58:17,307 WARN L330 ript$VariableManager]: TermVariable v_subst_11 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-04-14 10:58:17,458 WARN L330 ript$VariableManager]: TermVariable v_subst_11 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-04-14 10:58:17,492 WARN L330 ript$VariableManager]: TermVariable v_subst_11 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-04-14 10:58:17,497 WARN L330 ript$VariableManager]: TermVariable |thr1Thread2of3ForFork0_push_~#casret~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-04-14 10:58:17,562 WARN L330 ript$VariableManager]: TermVariable v_subst_11 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-04-14 10:58:17,592 WARN L330 ript$VariableManager]: TermVariable |thr1Thread2of3ForFork0_push_~#casret~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-04-14 10:58:17,679 WARN L330 ript$VariableManager]: TermVariable |thr1Thread2of3ForFork0_push_~#casret~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-04-14 10:58:17,694 WARN L330 ript$VariableManager]: TermVariable |thr1Thread2of3ForFork0_push_~#casret~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-04-14 10:58:17,719 WARN L330 ript$VariableManager]: TermVariable v_subst_13 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-04-14 10:58:17,734 WARN L330 ript$VariableManager]: TermVariable v_subst_13 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-04-14 10:58:17,810 WARN L330 ript$VariableManager]: TermVariable |thr1Thread2of3ForFork0_push_~#casret~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-04-14 10:58:17,843 WARN L330 ript$VariableManager]: TermVariable |thr1Thread2of3ForFork0_push_~#casret~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-04-14 10:58:17,871 WARN L330 ript$VariableManager]: TermVariable |thr1Thread2of3ForFork0_push_~#casret~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-04-14 10:58:17,909 WARN L330 ript$VariableManager]: TermVariable v_subst_13 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-04-14 10:58:18,048 WARN L330 ript$VariableManager]: TermVariable v_subst_13 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-04-14 10:58:18,058 WARN L330 ript$VariableManager]: TermVariable |thr1Thread2of3ForFork0_push_~#casret~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-04-14 10:58:18,063 WARN L330 ript$VariableManager]: TermVariable v_subst_13 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-04-14 10:58:18,286 WARN L330 ript$VariableManager]: TermVariable |thr1Thread2of3ForFork0_push_~#casret~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-04-14 10:58:18,300 WARN L330 ript$VariableManager]: TermVariable |thr1Thread2of3ForFork0_push_~#casret~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-04-14 10:58:18,324 WARN L330 ript$VariableManager]: TermVariable v_subst_12 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-04-14 10:58:18,530 WARN L330 ript$VariableManager]: TermVariable v_subst_11 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-04-14 10:58:18,563 WARN L330 ript$VariableManager]: TermVariable |thr1Thread2of3ForFork0_push_~#casret~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-04-14 10:58:18,626 WARN L330 ript$VariableManager]: TermVariable |thr1Thread2of3ForFork0_push_~#casret~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-04-14 10:58:19,100 WARN L330 ript$VariableManager]: TermVariable |thr1Thread2of3ForFork0_push_~#casret~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-04-14 10:58:19,147 WARN L330 ript$VariableManager]: TermVariable v_subst_12 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-04-14 10:58:19,301 WARN L330 ript$VariableManager]: TermVariable |thr1Thread2of3ForFork0_push_~#casret~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-04-14 10:58:19,787 WARN L330 ript$VariableManager]: TermVariable v_subst_12 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-04-14 10:58:19,793 WARN L330 ript$VariableManager]: TermVariable v_subst_12 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-04-14 10:58:19,828 WARN L330 ript$VariableManager]: TermVariable v_subst_36 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-04-14 10:58:19,841 WARN L330 ript$VariableManager]: TermVariable v_subst_36 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-04-14 10:58:19,858 WARN L330 ript$VariableManager]: TermVariable v_subst_12 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-04-14 10:58:19,870 WARN L330 ript$VariableManager]: TermVariable v_subst_36 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-04-14 10:58:20,545 WARN L330 ript$VariableManager]: TermVariable v_subst_36 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-04-14 10:58:20,706 WARN L330 ript$VariableManager]: TermVariable |thr1Thread2of3ForFork0_push_~#casret~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-04-14 10:58:20,721 WARN L330 ript$VariableManager]: TermVariable |thr1Thread2of3ForFork0_push_~#casret~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-04-14 10:58:20,998 WARN L330 ript$VariableManager]: TermVariable v_subst_13 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-04-14 10:58:21,016 WARN L330 ript$VariableManager]: TermVariable v_subst_13 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-04-14 10:58:21,047 WARN L330 ript$VariableManager]: TermVariable |thr1Thread2of3ForFork0_push_~#casret~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-04-14 10:58:21,062 WARN L330 ript$VariableManager]: TermVariable |thr1Thread2of3ForFork0_push_~#casret~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-04-14 10:58:21,121 WARN L330 ript$VariableManager]: TermVariable v_subst_11 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-04-14 10:58:21,137 WARN L330 ript$VariableManager]: TermVariable v_subst_11 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-04-14 10:58:21,576 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:58:21,576 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:58:21,576 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 10:58:21,577 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:58:21,577 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 10:58:21,577 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:58:21,577 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-14 10:58:21,577 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:58:21,577 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:58:21,577 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 10:58:21,577 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:58:21,577 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 10:58:21,577 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-14 10:58:21,577 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:58:21,577 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:58:21,577 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 10:58:21,577 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 10:58:21,577 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 10:58:21,577 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-14 10:58:21,577 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:58:21,577 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:58:21,577 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 10:58:21,577 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:58:21,577 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-14 10:58:21,577 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-04-14 10:58:21,577 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2025-04-14 10:58:21,577 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 201 states. [2025-04-14 10:58:21,577 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 403 states. [2025-04-14 10:58:21,589 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 10:58:21,778 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,SelfDestructingSolverStorable46 [2025-04-14 10:58:21,778 INFO L403 AbstractCegarLoop]: === Iteration 29 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 10:58:21,778 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 10:58:21,778 INFO L139 ounterexampleChecker]: Examining path program with hash 1355425039, occurence #1 [2025-04-14 10:58:21,778 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 10:58:21,778 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 10:58:21,779 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 10:58:21,779 INFO L85 PathProgramCache]: Analyzing trace with hash -572527269, now seen corresponding path program 1 times [2025-04-14 10:58:21,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 10:58:21,779 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203935316] [2025-04-14 10:58:21,779 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 10:58:21,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 10:58:21,995 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 469 statements into 1 equivalence classes. [2025-04-14 10:58:22,056 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 469 of 469 statements. [2025-04-14 10:58:22,056 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 10:58:22,056 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 10:58:23,095 INFO L134 CoverageAnalysis]: Checked inductivity of 1592 backedges. 6 proven. 110 refuted. 0 times theorem prover too weak. 1476 trivial. 0 not checked. [2025-04-14 10:58:23,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 10:58:23,095 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203935316] [2025-04-14 10:58:23,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [203935316] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 10:58:23,096 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [263815709] [2025-04-14 10:58:23,096 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 10:58:23,096 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 10:58:23,096 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 10:58:23,097 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 10:58:23,098 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 10:58:23,867 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 469 statements into 1 equivalence classes. [2025-04-14 10:58:24,071 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 469 of 469 statements. [2025-04-14 10:58:24,071 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 10:58:24,072 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 10:58:24,083 INFO L256 TraceCheckSpWp]: Trace formula consists of 3021 conjuncts, 115 conjuncts are in the unsatisfiable core [2025-04-14 10:58:24,091 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 10:58:26,554 INFO L325 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2025-04-14 10:58:26,555 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2025-04-14 10:58:26,621 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 10:58:26,628 INFO L325 Elim1Store]: treesize reduction 21, result has 30.0 percent of original size [2025-04-14 10:58:26,628 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 29 [2025-04-14 10:58:26,705 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 10:58:26,711 INFO L325 Elim1Store]: treesize reduction 21, result has 30.0 percent of original size [2025-04-14 10:58:26,711 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 33 [2025-04-14 10:58:26,955 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 10:58:26,957 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 17 [2025-04-14 10:58:27,011 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 19 [2025-04-14 10:58:27,015 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 10:58:27,016 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2025-04-14 10:58:27,062 INFO L134 CoverageAnalysis]: Checked inductivity of 1592 backedges. 0 proven. 1592 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 10:58:27,062 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 10:58:27,610 WARN L849 $PredicateComparison]: unable to prove that (or (let ((.cse1 (select (select |c_#memory_int| |c_~#top~0.base|) |c_~#top~0.offset|))) (and (forall ((v_ArrVal_12783 (Array Int Int))) (let ((.cse0 (store |c_#memory_int| |c_~#m~0.base| v_ArrVal_12783))) (or (forall ((v_DerPreprocessor_8 (Array Int Int))) (not (= (select (select (store .cse0 |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_8) |c_~#top~0.base|) |c_~#top~0.offset|) 0))) (= (select (select .cse0 |c_~#top~0.base|) |c_~#top~0.offset|) .cse1)))) (forall ((v_ArrVal_12783 (Array Int Int))) (let ((.cse3 (store |c_#memory_int| |c_~#m~0.base| v_ArrVal_12783))) (let ((.cse2 (select .cse3 |c_~#top~0.base|))) (or (not (= (select .cse2 |c_~#top~0.offset|) .cse1)) (forall ((v_DerPreprocessor_7 (Array Int Int))) (not (= (select (select (store (store .cse3 |c_~#top~0.base| (store .cse2 |c_~#top~0.offset| |c_thr1Thread2of3ForFork0_push_~newTop~0#1|)) |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_7) |c_~#top~0.base|) |c_~#top~0.offset|) 0))))))))) (= |c_thr1Thread3of3ForFork0_push_loop_~r~0#1| 0) (= (select (select |c_#memory_int| |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base|) |c_thr1Thread2of3ForFork0_push_~#casret~0#1.offset|) 1)) is different from false [2025-04-14 10:58:27,863 WARN L849 $PredicateComparison]: unable to prove that (or (= |c_thr1Thread3of3ForFork0_push_loop_~r~0#1| 0) (let ((.cse7 (select |c_#memory_int| |c_~#top~0.base|))) (let ((.cse0 (= |c_thr1Thread2of3ForFork0_push_~oldTop~0#1| (select .cse7 |c_~#top~0.offset|)))) (and (or (not .cse0) (let ((.cse4 (store |c_#memory_int| |c_~#top~0.base| (store .cse7 |c_~#top~0.offset| |c_thr1Thread2of3ForFork0_push_~newTop~0#1|)))) (and (forall ((|thr1Thread2of3ForFork0_push_~#casret~0#1.base| Int) (v_ArrVal_12782 (Array Int Int))) (let ((.cse3 (store .cse4 |thr1Thread2of3ForFork0_push_~#casret~0#1.base| (store (select .cse4 |thr1Thread2of3ForFork0_push_~#casret~0#1.base|) |c_thr1Thread2of3ForFork0_push_~#casret~0#1.offset| 1)))) (let ((.cse1 (store .cse3 |c_~#m~0.base| v_ArrVal_12782))) (or (= (select (select .cse1 |thr1Thread2of3ForFork0_push_~#casret~0#1.base|) |c_thr1Thread2of3ForFork0_push_~#casret~0#1.offset|) 1) (forall ((v_ArrVal_12783 (Array Int Int))) (let ((.cse2 (select (store .cse3 |c_~#m~0.base| v_ArrVal_12783) |c_~#top~0.base|))) (or (not (= (select (select .cse1 |c_~#top~0.base|) |c_~#top~0.offset|) (select .cse2 |c_~#top~0.offset|))) (forall ((v_DerPreprocessor_7 (Array Int Int))) (not (= (select (select (store (store (store |c_#memory_int| |c_~#m~0.base| v_ArrVal_12783) |c_~#top~0.base| (store .cse2 |c_~#top~0.offset| |c_thr1Thread2of3ForFork0_push_~newTop~0#1|)) |thr1Thread2of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_7) |c_~#top~0.base|) |c_~#top~0.offset|) 0)))))))))) (forall ((|thr1Thread2of3ForFork0_push_~#casret~0#1.base| Int) (v_ArrVal_12782 (Array Int Int))) (let ((.cse6 (store .cse4 |thr1Thread2of3ForFork0_push_~#casret~0#1.base| (store (select .cse4 |thr1Thread2of3ForFork0_push_~#casret~0#1.base|) |c_thr1Thread2of3ForFork0_push_~#casret~0#1.offset| 1)))) (let ((.cse5 (store .cse6 |c_~#m~0.base| v_ArrVal_12782))) (or (forall ((v_ArrVal_12783 (Array Int Int))) (or (= (select (select .cse5 |c_~#top~0.base|) |c_~#top~0.offset|) (select (select (store .cse6 |c_~#m~0.base| v_ArrVal_12783) |c_~#top~0.base|) |c_~#top~0.offset|)) (forall ((v_DerPreprocessor_8 (Array Int Int))) (not (= (select (select (store (store .cse4 |c_~#m~0.base| v_ArrVal_12783) |thr1Thread2of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_8) |c_~#top~0.base|) |c_~#top~0.offset|) 0))))) (= (select (select .cse5 |thr1Thread2of3ForFork0_push_~#casret~0#1.base|) |c_thr1Thread2of3ForFork0_push_~#casret~0#1.offset|) 1)))))))) (or .cse0 (and (forall ((v_prenex_9 (Array Int Int)) (|thr1Thread2of3ForFork0_push_~#casret~0#1.base| Int) (v_prenex_10 (Array Int Int)) (v_DerPreprocessor_7 (Array Int Int)) (v_DerPreprocessor_9 (Array Int Int))) (let ((.cse10 (store |c_#memory_int| |thr1Thread2of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_9))) (let ((.cse8 (store .cse10 |c_~#m~0.base| v_prenex_9)) (.cse9 (select (store .cse10 |c_~#m~0.base| v_prenex_10) |c_~#top~0.base|))) (or (= (select (select .cse8 |thr1Thread2of3ForFork0_push_~#casret~0#1.base|) |c_thr1Thread2of3ForFork0_push_~#casret~0#1.offset|) 1) (not (= (select (select .cse8 |c_~#top~0.base|) |c_~#top~0.offset|) (select .cse9 |c_~#top~0.offset|))) (not (= (select (select (store (store (store |c_#memory_int| |c_~#m~0.base| v_prenex_10) |c_~#top~0.base| (store .cse9 |c_~#top~0.offset| |c_thr1Thread2of3ForFork0_push_~newTop~0#1|)) |thr1Thread2of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_7) |c_~#top~0.base|) |c_~#top~0.offset|) 0)))))) (forall ((|thr1Thread2of3ForFork0_push_~#casret~0#1.base| Int) (v_ArrVal_12782 (Array Int Int)) (v_ArrVal_12783 (Array Int Int)) (v_DerPreprocessor_9 (Array Int Int)) (v_DerPreprocessor_8 (Array Int Int))) (let ((.cse11 (store |c_#memory_int| |thr1Thread2of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_9))) (let ((.cse12 (store .cse11 |c_~#m~0.base| v_ArrVal_12782))) (or (= (select (select (store .cse11 |c_~#m~0.base| v_ArrVal_12783) |c_~#top~0.base|) |c_~#top~0.offset|) (select (select .cse12 |c_~#top~0.base|) |c_~#top~0.offset|)) (= (select (select .cse12 |thr1Thread2of3ForFork0_push_~#casret~0#1.base|) |c_thr1Thread2of3ForFork0_push_~#casret~0#1.offset|) 1) (not (= (select (select (store (store |c_#memory_int| |c_~#m~0.base| v_ArrVal_12783) |thr1Thread2of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_8) |c_~#top~0.base|) |c_~#top~0.offset|) 0)))))))))))) is different from false [2025-04-14 10:58:27,942 INFO L325 Elim1Store]: treesize reduction 15, result has 64.3 percent of original size [2025-04-14 10:58:27,943 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 1 new quantified variables, introduced 2 case distinctions, treesize of input 121 treesize of output 75 [2025-04-14 10:58:27,951 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-14 10:58:27,951 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 105 treesize of output 96 [2025-04-14 10:58:27,957 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-14 10:58:27,957 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 18 treesize of output 22 [2025-04-14 10:58:27,959 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 10 treesize of output 8 [2025-04-14 10:58:27,966 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 4 [2025-04-14 10:58:27,976 INFO L325 Elim1Store]: treesize reduction 49, result has 2.0 percent of original size [2025-04-14 10:58:27,977 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 122 treesize of output 1 [2025-04-14 10:58:30,445 INFO L134 CoverageAnalysis]: Checked inductivity of 1592 backedges. 0 proven. 1584 refuted. 6 times theorem prover too weak. 0 trivial. 2 not checked. [2025-04-14 10:58:30,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [263815709] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 10:58:30,445 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 10:58:30,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 48, 46] total 103 [2025-04-14 10:58:30,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296619758] [2025-04-14 10:58:30,445 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 10:58:30,446 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 104 states [2025-04-14 10:58:30,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 10:58:30,447 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 104 interpolants. [2025-04-14 10:58:30,450 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1511, Invalid=8697, Unknown=102, NotChecked=402, Total=10712 [2025-04-14 10:58:30,450 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:58:30,450 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 10:58:30,450 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 104 states, 104 states have (on average 10.048076923076923) internal successors, (1045), 103 states have internal predecessors, (1045), 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 10:58:30,450 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:58:30,450 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:58:30,450 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 10:58:30,450 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:58:30,450 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 10:58:30,450 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:58:30,450 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-14 10:58:30,450 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:58:30,450 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:58:30,450 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 10:58:30,450 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:58:30,450 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 10:58:30,450 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-14 10:58:30,450 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:58:30,450 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:58:30,450 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 10:58:30,451 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 10:58:30,451 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 10:58:30,451 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-14 10:58:30,451 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:58:30,451 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 10:58:30,451 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 10:58:30,451 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:58:30,451 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-14 10:58:30,451 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2025-04-14 10:58:30,451 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2025-04-14 10:58:30,451 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 201 states. [2025-04-14 10:58:30,451 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 403 states. [2025-04-14 10:58:30,451 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:59:21,774 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-14 10:59:25,784 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-14 10:59:38,166 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-14 10:59:42,244 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-14 10:59:46,276 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-14 10:59:50,417 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-14 10:59:54,456 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-14 10:59:58,483 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-14 11:00:02,541 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-14 11:00:06,613 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-14 11:00:19,082 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-14 11:00:24,410 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-14 11:00:28,665 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-14 11:00:32,688 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-14 11:00:43,835 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-14 11:00:47,907 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-14 11:00:51,971 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-14 11:00:56,069 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-14 11:01:00,123 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-14 11:01:04,875 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-14 11:01:21,062 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-14 11:02:28,581 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-14 11:02:32,609 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-14 11:02:36,707 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-14 11:02:40,724 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-14 11:02:44,727 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-14 11:02:48,821 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-14 11:02:52,935 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-14 11:02:57,001 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-14 11:03:01,034 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-14 11:03:33,746 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-14 11:03:37,821 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-14 11:03:41,912 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-14 11:03:45,981 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-14 11:03:49,997 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-14 11:03:54,103 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-14 11:03:59,543 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-14 11:04:03,608 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-14 11:04:07,634 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-14 11:04:52,322 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-14 11:04:56,347 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-14 11:05:00,376 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-14 11:05:04,442 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-14 11:05:08,462 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-14 11:05:12,500 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-14 11:05:16,533 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-14 11:05:20,558 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-14 11:05:24,565 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-14 11:05:28,661 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-14 11:05:32,681 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-14 11:05:36,698 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-14 11:05:40,747 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-14 11:05:44,807 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-14 11:05:48,936 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-14 11:05:53,049 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-14 11:05:57,073 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-14 11:06:01,362 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-14 11:06:05,414 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-14 11:06:09,442 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-14 11:06:50,229 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-14 11:06:54,310 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-14 11:06:58,330 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-14 11:07:02,446 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-14 11:07:06,480 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-14 11:07:10,573 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-14 11:07:14,608 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-14 11:07:18,636 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-14 11:07:22,648 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-14 11:07:26,662 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-14 11:07:30,760 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-14 11:07:34,786 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-14 11:07:38,861 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-14 11:07:42,898 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-14 11:07:47,030 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-14 11:07:51,045 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-14 11:07:55,071 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-14 11:08:08,931 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-14 11:08:48,004 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-14 11:08:52,016 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] Received shutdown request... [2025-04-14 11:09:02,554 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2025-04-14 11:09:02,555 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2025-04-14 11:09:02,555 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2025-04-14 11:09:03,584 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2025-04-14 11:09:03,585 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 11:09:03,758 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forcibly destroying the process [2025-04-14 11:09:03,774 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 137 [2025-04-14 11:09:03,774 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2025-04-14 11:09:03,775 WARN L610 AbstractCegarLoop]: Verification canceled: while executing Executor. [2025-04-14 11:09:03,775 INFO L790 garLoopResultBuilder]: Registering result TIMEOUT for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-04-14 11:09:03,777 INFO L422 BasicCegarLoop]: Path program histogram: [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-14 11:09:03,777 INFO L320 ceAbstractionStarter]: Result for error location thr1Thread3of3ForFork0 was TIMEOUT (1/4) [2025-04-14 11:09:03,778 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 3 thread instances [2025-04-14 11:09:03,778 INFO L171 ceAbstractionStarter]: Computing trace abstraction results [2025-04-14 11:09:03,780 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.04 11:09:03 BasicIcfg [2025-04-14 11:09:03,780 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-04-14 11:09:03,780 INFO L158 Benchmark]: Toolchain (without parser) took 838000.50ms. Allocated memory was 125.8MB in the beginning and 2.6GB in the end (delta: 2.4GB). Free memory was 89.6MB in the beginning and 1.0GB in the end (delta: -949.8MB). Peak memory consumption was 1.5GB. Max. memory is 8.0GB. [2025-04-14 11:09:03,781 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 155.2MB. Free memory is still 87.2MB. There was no memory consumed. Max. memory is 8.0GB. [2025-04-14 11:09:03,781 INFO L158 Benchmark]: CACSL2BoogieTranslator took 419.91ms. Allocated memory is still 125.8MB. Free memory was 89.6MB in the beginning and 65.6MB in the end (delta: 24.0MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. [2025-04-14 11:09:03,781 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.59ms. Allocated memory is still 125.8MB. Free memory was 65.6MB in the beginning and 62.9MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2025-04-14 11:09:03,781 INFO L158 Benchmark]: Boogie Preprocessor took 29.35ms. Allocated memory is still 125.8MB. Free memory was 62.9MB in the beginning and 61.1MB in the end (delta: 1.9MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2025-04-14 11:09:03,781 INFO L158 Benchmark]: RCFGBuilder took 653.96ms. Allocated memory is still 125.8MB. Free memory was 61.1MB in the beginning and 70.8MB in the end (delta: -9.7MB). Peak memory consumption was 47.8MB. Max. memory is 8.0GB. [2025-04-14 11:09:03,782 INFO L158 Benchmark]: TraceAbstraction took 836855.60ms. Allocated memory was 125.8MB in the beginning and 2.6GB in the end (delta: 2.4GB). Free memory was 69.9MB in the beginning and 1.0GB in the end (delta: -969.5MB). Peak memory consumption was 1.5GB. Max. memory is 8.0GB. [2025-04-14 11:09:03,782 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 155.2MB. Free memory is still 87.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 419.91ms. Allocated memory is still 125.8MB. Free memory was 89.6MB in the beginning and 65.6MB in the end (delta: 24.0MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 37.59ms. Allocated memory is still 125.8MB. Free memory was 65.6MB in the beginning and 62.9MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 29.35ms. Allocated memory is still 125.8MB. Free memory was 62.9MB in the beginning and 61.1MB in the end (delta: 1.9MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 653.96ms. Allocated memory is still 125.8MB. Free memory was 61.1MB in the beginning and 70.8MB in the end (delta: -9.7MB). Peak memory consumption was 47.8MB. Max. memory is 8.0GB. * TraceAbstraction took 836855.60ms. Allocated memory was 125.8MB in the beginning and 2.6GB in the end (delta: 2.4GB). Free memory was 69.9MB in the beginning and 1.0GB in the end (delta: -969.5MB). Peak memory consumption was 1.5GB. 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: 1520, independent: 1140, independent conditional: 735, independent unconditional: 405, dependent: 380, dependent conditional: 359, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1161, independent: 1140, independent conditional: 735, independent unconditional: 405, dependent: 21, dependent conditional: 0, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1161, independent: 1140, independent conditional: 735, independent unconditional: 405, dependent: 21, dependent conditional: 0, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1161, independent: 1140, independent conditional: 735, independent unconditional: 405, dependent: 21, dependent conditional: 0, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1161, independent: 1140, independent conditional: 0, independent unconditional: 1140, dependent: 21, dependent conditional: 0, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1161, independent: 1140, independent conditional: 0, independent unconditional: 1140, dependent: 21, dependent conditional: 0, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 310, independent: 289, independent conditional: 0, independent unconditional: 289, dependent: 21, dependent conditional: 0, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 310, independent: 279, independent conditional: 0, independent unconditional: 279, dependent: 31, dependent conditional: 0, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 31, independent: 10, independent conditional: 0, independent unconditional: 10, dependent: 21, dependent conditional: 0, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 31, independent: 10, independent conditional: 0, independent unconditional: 10, dependent: 21, dependent conditional: 0, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 520, independent: 236, independent conditional: 0, independent unconditional: 236, dependent: 284, dependent conditional: 0, dependent unconditional: 284, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 1161, independent: 851, independent conditional: 0, independent unconditional: 851, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 310, unknown conditional: 0, unknown unconditional: 310] , Statistics on independence cache: Total cache size (in pairs): 310, Positive cache size: 289, Positive conditional cache size: 0, Positive unconditional cache size: 289, Negative cache size: 21, Negative conditional cache size: 0, Negative unconditional cache size: 21, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 735, Maximal queried relation: 0, Independence queries for same thread: 359, Persistent sets #1 benchmarks: Persistent set computation time: 0.6s, Number of persistent set computation: 96, Number of trivial persistent sets: 83, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 426, independent: 405, independent conditional: 0, independent unconditional: 405, dependent: 21, dependent conditional: 0, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1520, independent: 1140, independent conditional: 735, independent unconditional: 405, dependent: 380, dependent conditional: 359, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1161, independent: 1140, independent conditional: 735, independent unconditional: 405, dependent: 21, dependent conditional: 0, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1161, independent: 1140, independent conditional: 735, independent unconditional: 405, dependent: 21, dependent conditional: 0, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1161, independent: 1140, independent conditional: 735, independent unconditional: 405, dependent: 21, dependent conditional: 0, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1161, independent: 1140, independent conditional: 0, independent unconditional: 1140, dependent: 21, dependent conditional: 0, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1161, independent: 1140, independent conditional: 0, independent unconditional: 1140, dependent: 21, dependent conditional: 0, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 310, independent: 289, independent conditional: 0, independent unconditional: 289, dependent: 21, dependent conditional: 0, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 310, independent: 279, independent conditional: 0, independent unconditional: 279, dependent: 31, dependent conditional: 0, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 31, independent: 10, independent conditional: 0, independent unconditional: 10, dependent: 21, dependent conditional: 0, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 31, independent: 10, independent conditional: 0, independent unconditional: 10, dependent: 21, dependent conditional: 0, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 520, independent: 236, independent conditional: 0, independent unconditional: 236, dependent: 284, dependent conditional: 0, dependent unconditional: 284, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 1161, independent: 851, independent conditional: 0, independent unconditional: 851, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 310, unknown conditional: 0, unknown unconditional: 310] , Statistics on independence cache: Total cache size (in pairs): 310, Positive cache size: 289, Positive conditional cache size: 0, Positive unconditional cache size: 289, Negative cache size: 21, Negative conditional cache size: 0, Negative unconditional cache size: 21, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 735, Maximal queried relation: 0, Independence queries for same thread: 359 - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 324, independent: 301, independent conditional: 52, independent unconditional: 249, dependent: 23, dependent conditional: 19, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 305, independent: 301, independent conditional: 52, independent unconditional: 249, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 305, independent: 301, independent conditional: 52, independent unconditional: 249, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 305, independent: 301, independent conditional: 52, independent unconditional: 249, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 305, independent: 301, independent conditional: 0, independent unconditional: 301, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 305, independent: 301, independent conditional: 0, independent unconditional: 301, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 305, independent: 301, independent conditional: 0, independent unconditional: 301, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 310, Positive cache size: 289, Positive conditional cache size: 0, Positive unconditional cache size: 289, Negative cache size: 21, Negative conditional cache size: 0, Negative unconditional cache size: 21, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 52, Maximal queried relation: 0, Independence queries for same thread: 19, Persistent sets #1 benchmarks: Persistent set computation time: 0.0s, Number of persistent set computation: 23, Number of trivial persistent sets: 21, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 253, independent: 249, independent conditional: 0, independent unconditional: 249, 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: 324, independent: 301, independent conditional: 52, independent unconditional: 249, dependent: 23, dependent conditional: 19, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 305, independent: 301, independent conditional: 52, independent unconditional: 249, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 305, independent: 301, independent conditional: 52, independent unconditional: 249, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 305, independent: 301, independent conditional: 52, independent unconditional: 249, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 305, independent: 301, independent conditional: 0, independent unconditional: 301, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 305, independent: 301, independent conditional: 0, independent unconditional: 301, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 305, independent: 301, independent conditional: 0, independent unconditional: 301, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 310, Positive cache size: 289, Positive conditional cache size: 0, Positive unconditional cache size: 289, Negative cache size: 21, Negative conditional cache size: 0, Negative unconditional cache size: 21, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 52, Maximal queried relation: 0, Independence queries for same thread: 19 - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1972, independent: 1757, independent conditional: 497, independent unconditional: 1260, dependent: 215, dependent conditional: 167, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1835, independent: 1757, independent conditional: 497, independent unconditional: 1260, dependent: 78, dependent conditional: 30, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1835, independent: 1757, independent conditional: 497, independent unconditional: 1260, dependent: 78, dependent conditional: 30, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1874, independent: 1757, independent conditional: 497, independent unconditional: 1260, dependent: 117, dependent conditional: 69, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1874, independent: 1757, independent conditional: 0, independent unconditional: 1757, dependent: 117, dependent conditional: 11, dependent unconditional: 106, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1874, independent: 1757, independent conditional: 0, independent unconditional: 1757, dependent: 117, dependent conditional: 11, dependent unconditional: 106, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1137, independent: 1082, independent conditional: 0, independent unconditional: 1082, dependent: 55, dependent conditional: 7, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1137, independent: 1042, independent conditional: 0, independent unconditional: 1042, dependent: 95, dependent conditional: 0, dependent unconditional: 95, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 95, independent: 40, independent conditional: 0, independent unconditional: 40, dependent: 55, dependent conditional: 7, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 95, independent: 40, independent conditional: 0, independent unconditional: 40, dependent: 55, dependent conditional: 7, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1586, independent: 683, independent conditional: 0, independent unconditional: 683, dependent: 902, dependent conditional: 184, dependent unconditional: 718, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 1874, independent: 675, independent conditional: 0, independent unconditional: 675, dependent: 62, dependent conditional: 4, dependent unconditional: 58, unknown: 1137, unknown conditional: 7, unknown unconditional: 1130] , Statistics on independence cache: Total cache size (in pairs): 1447, Positive cache size: 1371, Positive conditional cache size: 0, Positive unconditional cache size: 1371, Negative cache size: 76, Negative conditional cache size: 7, Negative unconditional cache size: 69, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 555, Maximal queried relation: 3, Independence queries for same thread: 137, Persistent sets #1 benchmarks: Persistent set computation time: 1.5s, Number of persistent set computation: 75, Number of trivial persistent sets: 62, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1308, independent: 1260, independent conditional: 0, independent unconditional: 1260, dependent: 48, dependent conditional: 0, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1972, independent: 1757, independent conditional: 497, independent unconditional: 1260, dependent: 215, dependent conditional: 167, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1835, independent: 1757, independent conditional: 497, independent unconditional: 1260, dependent: 78, dependent conditional: 30, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1835, independent: 1757, independent conditional: 497, independent unconditional: 1260, dependent: 78, dependent conditional: 30, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1874, independent: 1757, independent conditional: 497, independent unconditional: 1260, dependent: 117, dependent conditional: 69, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1874, independent: 1757, independent conditional: 0, independent unconditional: 1757, dependent: 117, dependent conditional: 11, dependent unconditional: 106, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1874, independent: 1757, independent conditional: 0, independent unconditional: 1757, dependent: 117, dependent conditional: 11, dependent unconditional: 106, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1137, independent: 1082, independent conditional: 0, independent unconditional: 1082, dependent: 55, dependent conditional: 7, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1137, independent: 1042, independent conditional: 0, independent unconditional: 1042, dependent: 95, dependent conditional: 0, dependent unconditional: 95, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 95, independent: 40, independent conditional: 0, independent unconditional: 40, dependent: 55, dependent conditional: 7, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 95, independent: 40, independent conditional: 0, independent unconditional: 40, dependent: 55, dependent conditional: 7, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1586, independent: 683, independent conditional: 0, independent unconditional: 683, dependent: 902, dependent conditional: 184, dependent unconditional: 718, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 1874, independent: 675, independent conditional: 0, independent unconditional: 675, dependent: 62, dependent conditional: 4, dependent unconditional: 58, unknown: 1137, unknown conditional: 7, unknown unconditional: 1130] , Statistics on independence cache: Total cache size (in pairs): 1447, Positive cache size: 1371, Positive conditional cache size: 0, Positive unconditional cache size: 1371, Negative cache size: 76, Negative conditional cache size: 7, Negative unconditional cache size: 69, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 555, Maximal queried relation: 3, Independence queries for same thread: 137 - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1288671, independent: 1092747, independent conditional: 1087873, independent unconditional: 4874, dependent: 195924, dependent conditional: 195624, dependent unconditional: 300, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1145207, independent: 1092747, independent conditional: 1087873, independent unconditional: 4874, dependent: 52460, dependent conditional: 52160, dependent unconditional: 300, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1145207, independent: 1092747, independent conditional: 1087873, independent unconditional: 4874, dependent: 52460, dependent conditional: 52160, dependent unconditional: 300, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1666579, independent: 1092747, independent conditional: 1087873, independent unconditional: 4874, dependent: 573832, dependent conditional: 573532, dependent unconditional: 300, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1666579, independent: 1092747, independent conditional: 31692, independent unconditional: 1061055, dependent: 573832, dependent conditional: 184298, dependent unconditional: 389534, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1666579, independent: 1092747, independent conditional: 31692, independent unconditional: 1061055, dependent: 573832, dependent conditional: 184298, dependent unconditional: 389534, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 7992, independent: 4835, independent conditional: 796, independent unconditional: 4039, dependent: 3157, dependent conditional: 2848, dependent unconditional: 309, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 7992, independent: 3843, independent conditional: 0, independent unconditional: 3843, dependent: 4149, dependent conditional: 0, dependent unconditional: 4149, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 4149, independent: 992, independent conditional: 796, independent unconditional: 196, dependent: 3157, dependent conditional: 2848, dependent unconditional: 309, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 4149, independent: 992, independent conditional: 796, independent unconditional: 196, dependent: 3157, dependent conditional: 2848, dependent unconditional: 309, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 69602, independent: 15190, independent conditional: 12302, independent unconditional: 2888, dependent: 54411, dependent conditional: 50205, dependent unconditional: 4207, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 2, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 1666579, independent: 1087912, independent conditional: 30896, independent unconditional: 1057016, dependent: 570675, dependent conditional: 181450, dependent unconditional: 389225, unknown: 7992, unknown conditional: 3644, unknown unconditional: 4348] , Statistics on independence cache: Total cache size (in pairs): 9434, Positive cache size: 6208, Positive conditional cache size: 798, Positive unconditional cache size: 5410, Negative cache size: 3226, Negative conditional cache size: 2848, Negative unconditional cache size: 378, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1445415, Maximal queried relation: 17, Independence queries for same thread: 143464, Persistent sets #1 benchmarks: Persistent set computation time: 6.8s, Number of persistent set computation: 5255, Number of trivial persistent sets: 4778, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5174, independent: 4874, independent conditional: 0, independent unconditional: 4874, dependent: 300, dependent conditional: 0, dependent unconditional: 300, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1288671, independent: 1092747, independent conditional: 1087873, independent unconditional: 4874, dependent: 195924, dependent conditional: 195624, dependent unconditional: 300, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1145207, independent: 1092747, independent conditional: 1087873, independent unconditional: 4874, dependent: 52460, dependent conditional: 52160, dependent unconditional: 300, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1145207, independent: 1092747, independent conditional: 1087873, independent unconditional: 4874, dependent: 52460, dependent conditional: 52160, dependent unconditional: 300, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1666579, independent: 1092747, independent conditional: 1087873, independent unconditional: 4874, dependent: 573832, dependent conditional: 573532, dependent unconditional: 300, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1666579, independent: 1092747, independent conditional: 31692, independent unconditional: 1061055, dependent: 573832, dependent conditional: 184298, dependent unconditional: 389534, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1666579, independent: 1092747, independent conditional: 31692, independent unconditional: 1061055, dependent: 573832, dependent conditional: 184298, dependent unconditional: 389534, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 7992, independent: 4835, independent conditional: 796, independent unconditional: 4039, dependent: 3157, dependent conditional: 2848, dependent unconditional: 309, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 7992, independent: 3843, independent conditional: 0, independent unconditional: 3843, dependent: 4149, dependent conditional: 0, dependent unconditional: 4149, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 4149, independent: 992, independent conditional: 796, independent unconditional: 196, dependent: 3157, dependent conditional: 2848, dependent unconditional: 309, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 4149, independent: 992, independent conditional: 796, independent unconditional: 196, dependent: 3157, dependent conditional: 2848, dependent unconditional: 309, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 69602, independent: 15190, independent conditional: 12302, independent unconditional: 2888, dependent: 54411, dependent conditional: 50205, dependent unconditional: 4207, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 2, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 1666579, independent: 1087912, independent conditional: 30896, independent unconditional: 1057016, dependent: 570675, dependent conditional: 181450, dependent unconditional: 389225, unknown: 7992, unknown conditional: 3644, unknown unconditional: 4348] , Statistics on independence cache: Total cache size (in pairs): 9434, Positive cache size: 6208, Positive conditional cache size: 798, Positive unconditional cache size: 5410, Negative cache size: 3226, Negative conditional cache size: 2848, Negative unconditional cache size: 378, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1445415, Maximal queried relation: 17, Independence queries for same thread: 143464 - TimeoutResultAtElement [Line: 763]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while executing Executor. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thr1Thread1of1ForFork0 with 1 thread instances CFG has 3 procedures, 54 locations, 65 edges, 3 error locations. Started 1 CEGAR loops. OverallTime: 7.8s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 2.1s, 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: 80, 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: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 475 NumberOfCodeBlocks, 423 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 548 ConstructedInterpolants, 6 QuantifiedInterpolants, 1939 SizeOfPredicates, 9 NumberOfNonLiveVariables, 843 ConjunctsInSsa, 34 ConjunctsInUnsatCore, 12 InterpolantComputations, 6 PerfectInterpolantSequences, 327/378 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: SuccessfulCommutativityProofs: 0, ConComChecker Statistics: CheckTime [ms]: 0, ConditionCalculationTime [ms]: 0, ConditionCalculations: 22, QuantifiedConditions: 0, TraceChecks: 0, UnknownTraceChecks: 0, UnsatisfiedConditions: 0, ImperfectProofs: 0 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 3 procedures, 54 locations, 65 edges, 3 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 5, 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: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 51 NumberOfCodeBlocks, 51 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 31 ConstructedInterpolants, 0 QuantifiedInterpolants, 55 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: SuccessfulCommutativityProofs: 0, ConComChecker Statistics: CheckTime [ms]: 0, ConditionCalculationTime [ms]: 0, ConditionCalculations: 0, QuantifiedConditions: 0, TraceChecks: 0, UnknownTraceChecks: 0, UnsatisfiedConditions: 0, ImperfectProofs: 0 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 2 thread instances CFG has 4 procedures, 78 locations, 95 edges, 4 error locations. Started 1 CEGAR loops. OverallTime: 3.8s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 2.1s, 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: 26, 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: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 225 NumberOfCodeBlocks, 225 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 180 ConstructedInterpolants, 0 QuantifiedInterpolants, 610 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: SuccessfulCommutativityProofs: 0, ConComChecker Statistics: CheckTime [ms]: 0, ConditionCalculationTime [ms]: 0, ConditionCalculations: 0, QuantifiedConditions: 0, TraceChecks: 0, UnknownTraceChecks: 0, UnsatisfiedConditions: 0, ImperfectProofs: 0 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thr1Thread3of3ForFork0 with 1 thread instances CFG has 5 procedures, 102 locations, 125 edges, 5 error locations. Started 1 CEGAR loops. OverallTime: 824.2s, OverallIterations: 29, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 774.7s, 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: 1220, 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: 0.8s SsaConstructionTime, 10.7s SatisfiabilityAnalysisTime, 24.6s InterpolantComputationTime, 7199 NumberOfCodeBlocks, 6386 NumberOfCodeBlocksAsserted, 36 NumberOfCheckSat, 8909 ConstructedInterpolants, 36 QuantifiedInterpolants, 51469 SizeOfPredicates, 44 NumberOfNonLiveVariables, 12509 ConjunctsInSsa, 359 ConjunctsInUnsatCore, 39 InterpolantComputations, 23 PerfectInterpolantSequences, 5158/15975 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]: 3219, ConditionCalculationTime [ms]: 35, ConditionCalculations: 54, QuantifiedConditions: 0, TraceChecks: 2, UnknownTraceChecks: 0, UnsatisfiedConditions: 0, ImperfectProofs: 1 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown