/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking DFS --traceabstraction.criterion.for.conditional.commutativity.checking DEFAULT --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 50 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-channel-sum.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-17da818-m [2024-05-06 17:51:16,502 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-06 17:51:16,563 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-05-06 17:51:16,567 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-06 17:51:16,567 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-06 17:51:16,600 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-06 17:51:16,600 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-06 17:51:16,600 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-06 17:51:16,601 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-06 17:51:16,604 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-06 17:51:16,605 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-06 17:51:16,605 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-06 17:51:16,605 INFO L153 SettingsManager]: * Use SBE=true [2024-05-06 17:51:16,607 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-06 17:51:16,607 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-06 17:51:16,607 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-06 17:51:16,607 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-06 17:51:16,607 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-06 17:51:16,607 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-06 17:51:16,608 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-06 17:51:16,608 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-06 17:51:16,608 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-06 17:51:16,608 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-06 17:51:16,608 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-06 17:51:16,608 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-06 17:51:16,609 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-06 17:51:16,609 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-06 17:51:16,609 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-06 17:51:16,609 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-06 17:51:16,609 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-06 17:51:16,610 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-06 17:51:16,611 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-06 17:51:16,611 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-06 17:51:16,611 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-06 17:51:16,611 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-05-06 17:51:16,611 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-05-06 17:51:16,611 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-06 17:51:16,611 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-06 17:51:16,611 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-06 17:51:16,611 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> DEFAULT Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 50 [2024-05-06 17:51:16,825 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-06 17:51:16,846 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-06 17:51:16,848 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-06 17:51:16,849 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-06 17:51:16,850 INFO L274 PluginConnector]: CDTParser initialized [2024-05-06 17:51:16,850 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-channel-sum.wvr.c [2024-05-06 17:51:17,975 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-06 17:51:18,128 INFO L384 CDTParser]: Found 1 translation units. [2024-05-06 17:51:18,128 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-channel-sum.wvr.c [2024-05-06 17:51:18,134 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/11395b7a8/ff9f89c4bf9f4ff7a91a86ecafa77bda/FLAGead73c0dc [2024-05-06 17:51:18,146 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/11395b7a8/ff9f89c4bf9f4ff7a91a86ecafa77bda [2024-05-06 17:51:18,149 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-06 17:51:18,150 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-06 17:51:18,152 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-06 17:51:18,152 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-06 17:51:18,156 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-06 17:51:18,156 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.05 05:51:18" (1/1) ... [2024-05-06 17:51:18,157 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5046ce8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 05:51:18, skipping insertion in model container [2024-05-06 17:51:18,157 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.05 05:51:18" (1/1) ... [2024-05-06 17:51:18,181 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-06 17:51:18,325 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-channel-sum.wvr.c[2947,2960] [2024-05-06 17:51:18,332 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-06 17:51:18,341 INFO L202 MainTranslator]: Completed pre-run [2024-05-06 17:51:18,359 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-channel-sum.wvr.c[2947,2960] [2024-05-06 17:51:18,362 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-06 17:51:18,368 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-05-06 17:51:18,369 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-05-06 17:51:18,375 INFO L206 MainTranslator]: Completed translation [2024-05-06 17:51:18,375 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 05:51:18 WrapperNode [2024-05-06 17:51:18,375 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-06 17:51:18,376 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-06 17:51:18,376 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-06 17:51:18,376 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-06 17:51:18,382 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 05:51:18" (1/1) ... [2024-05-06 17:51:18,388 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 05:51:18" (1/1) ... [2024-05-06 17:51:18,422 INFO L138 Inliner]: procedures = 24, calls = 45, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 155 [2024-05-06 17:51:18,422 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-06 17:51:18,423 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-06 17:51:18,423 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-06 17:51:18,423 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-06 17:51:18,430 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 05:51:18" (1/1) ... [2024-05-06 17:51:18,430 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 05:51:18" (1/1) ... [2024-05-06 17:51:18,432 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 05:51:18" (1/1) ... [2024-05-06 17:51:18,432 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 05:51:18" (1/1) ... [2024-05-06 17:51:18,437 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 05:51:18" (1/1) ... [2024-05-06 17:51:18,439 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 05:51:18" (1/1) ... [2024-05-06 17:51:18,440 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 05:51:18" (1/1) ... [2024-05-06 17:51:18,441 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 05:51:18" (1/1) ... [2024-05-06 17:51:18,443 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-06 17:51:18,444 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-06 17:51:18,444 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-06 17:51:18,444 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-06 17:51:18,444 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 05:51:18" (1/1) ... [2024-05-06 17:51:18,448 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-06 17:51:18,459 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 17:51:18,483 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-05-06 17:51:18,485 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-05-06 17:51:18,520 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-06 17:51:18,520 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-05-06 17:51:18,520 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-05-06 17:51:18,520 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-05-06 17:51:18,520 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-05-06 17:51:18,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-06 17:51:18,521 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-06 17:51:18,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-06 17:51:18,521 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-05-06 17:51:18,521 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-05-06 17:51:18,521 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-05-06 17:51:18,521 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-06 17:51:18,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-06 17:51:18,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-05-06 17:51:18,521 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-06 17:51:18,522 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-05-06 17:51:18,600 INFO L241 CfgBuilder]: Building ICFG [2024-05-06 17:51:18,601 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-06 17:51:18,821 INFO L282 CfgBuilder]: Performing block encoding [2024-05-06 17:51:18,870 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-06 17:51:18,870 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2024-05-06 17:51:18,872 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.05 05:51:18 BoogieIcfgContainer [2024-05-06 17:51:18,872 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-06 17:51:18,874 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-06 17:51:18,874 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-06 17:51:18,876 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-06 17:51:18,877 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.05 05:51:18" (1/3) ... [2024-05-06 17:51:18,877 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c7c1e41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.05 05:51:18, skipping insertion in model container [2024-05-06 17:51:18,877 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 05:51:18" (2/3) ... [2024-05-06 17:51:18,877 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c7c1e41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.05 05:51:18, skipping insertion in model container [2024-05-06 17:51:18,878 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.05 05:51:18" (3/3) ... [2024-05-06 17:51:18,879 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-channel-sum.wvr.c [2024-05-06 17:51:18,886 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-06 17:51:18,894 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-06 17:51:18,895 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-06 17:51:18,895 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-06 17:51:18,943 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-05-06 17:51:18,980 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-06 17:51:18,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-06 17:51:18,980 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 17:51:18,983 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-05-06 17:51:19,005 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-05-06 17:51:19,036 INFO L188 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-06 17:51:19,047 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 17:51:19,048 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-05-06 17:51:19,054 INFO L357 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, mHoare=true, 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;@612b9387, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=DEFAULT, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=50, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-05-06 17:51:19,054 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-05-06 17:51:19,142 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-06 17:51:19,143 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 17:51:19,144 INFO L85 PathProgramCache]: Analyzing trace with hash 613506457, now seen corresponding path program 1 times [2024-05-06 17:51:19,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 17:51:19,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380214719] [2024-05-06 17:51:19,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 17:51:19,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 17:51:19,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 17:51:19,403 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-06 17:51:19,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 17:51:19,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [380214719] [2024-05-06 17:51:19,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [380214719] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-06 17:51:19,405 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-06 17:51:19,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-06 17:51:19,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684486130] [2024-05-06 17:51:19,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-06 17:51:19,448 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-05-06 17:51:19,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 17:51:19,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-06 17:51:19,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-05-06 17:51:19,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 17:51:19,471 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 17:51:19,472 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 53.5) internal successors, (107), 2 states have internal predecessors, (107), 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) [2024-05-06 17:51:19,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 17:51:19,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 17:51:19,551 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-06 17:51:19,552 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-06 17:51:19,552 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 17:51:19,552 INFO L85 PathProgramCache]: Analyzing trace with hash 725215787, now seen corresponding path program 1 times [2024-05-06 17:51:19,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 17:51:19,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665469471] [2024-05-06 17:51:19,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 17:51:19,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 17:51:19,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 17:51:19,942 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 17:51:19,943 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 17:51:19,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [665469471] [2024-05-06 17:51:19,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [665469471] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-06 17:51:19,943 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-06 17:51:19,943 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-05-06 17:51:19,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729129260] [2024-05-06 17:51:19,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-06 17:51:19,945 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-05-06 17:51:19,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 17:51:19,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-05-06 17:51:19,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-05-06 17:51:19,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 17:51:19,949 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 17:51:19,949 INFO L496 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) [2024-05-06 17:51:19,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 17:51:19,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 17:51:19,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 17:51:19,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-06 17:51:19,992 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-05-06 17:51:19,992 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-06 17:51:19,993 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 17:51:19,993 INFO L85 PathProgramCache]: Analyzing trace with hash 1418672157, now seen corresponding path program 1 times [2024-05-06 17:51:19,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 17:51:19,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62432127] [2024-05-06 17:51:19,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 17:51:19,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 17:51:20,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 17:51:20,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 17:51:20,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 17:51:20,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62432127] [2024-05-06 17:51:20,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [62432127] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-06 17:51:20,156 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-06 17:51:20,156 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-05-06 17:51:20,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620331686] [2024-05-06 17:51:20,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-06 17:51:20,158 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-05-06 17:51:20,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 17:51:20,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-05-06 17:51:20,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-05-06 17:51:20,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 17:51:20,160 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 17:51:20,160 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 5 states have internal predecessors, (88), 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) [2024-05-06 17:51:20,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 17:51:20,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-06 17:51:20,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 17:51:20,539 INFO L85 PathProgramCache]: Analyzing trace with hash -1962763239, now seen corresponding path program 1 times [2024-05-06 17:51:20,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 17:51:20,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 17:51:20,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 17:51:20,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 17:51:20,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 17:51:20,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 17:51:20,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 17:51:20,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 17:51:20,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-06 17:51:20,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-05-06 17:51:20,979 INFO L85 PathProgramCache]: Analyzing trace with hash 372829398, now seen corresponding path program 1 times [2024-05-06 17:51:20,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 17:51:20,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 17:51:21,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 17:51:21,014 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 17:51:21,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 17:51:21,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 17:51:21,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-06 17:51:21,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-06 17:51:21,087 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable3,SelfDestructingSolverStorable2,SelfDestructingSolverStorable5 [2024-05-06 17:51:21,087 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-06 17:51:21,087 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 17:51:21,087 INFO L85 PathProgramCache]: Analyzing trace with hash -459732387, now seen corresponding path program 1 times [2024-05-06 17:51:21,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 17:51:21,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326505008] [2024-05-06 17:51:21,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 17:51:21,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 17:51:21,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 17:51:21,935 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 17:51:21,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 17:51:21,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326505008] [2024-05-06 17:51:21,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1326505008] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 17:51:21,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [436897774] [2024-05-06 17:51:21,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 17:51:21,936 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 17:51:21,937 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 17:51:21,998 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-06 17:51:22,023 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-05-06 17:51:22,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 17:51:22,088 INFO L262 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 44 conjunts are in the unsatisfiable core [2024-05-06 17:51:22,099 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 17:51:22,713 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2024-05-06 17:51:23,079 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-05-06 17:51:23,146 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-05-06 17:51:23,355 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 17:51:23,355 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 17:51:24,637 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-06 17:51:24,637 INFO L378 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 1 case distinctions, treesize of input 62 treesize of output 50 [2024-05-06 17:51:24,647 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-06 17:51:24,647 INFO L378 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 148 treesize of output 140 [2024-05-06 17:51:24,658 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-06 17:51:24,658 INFO L378 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 132 treesize of output 116 [2024-05-06 17:51:24,668 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-06 17:51:24,669 INFO L378 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 83 treesize of output 79 [2024-05-06 17:51:24,917 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-06 17:51:24,917 INFO L378 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 1 case distinctions, treesize of input 63 treesize of output 51 [2024-05-06 17:51:24,927 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-05-06 17:51:24,928 INFO L378 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 324 treesize of output 296 [2024-05-06 17:51:24,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-06 17:51:24,938 INFO L378 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 96 treesize of output 84 [2024-05-06 17:51:24,947 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-05-06 17:51:24,947 INFO L378 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 95 treesize of output 75 [2024-05-06 17:51:25,471 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 17:51:25,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [436897774] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-06 17:51:25,473 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-06 17:51:25,473 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 26, 23] total 60 [2024-05-06 17:51:25,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69437694] [2024-05-06 17:51:25,474 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-06 17:51:25,475 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 60 states [2024-05-06 17:51:25,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 17:51:25,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2024-05-06 17:51:25,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=613, Invalid=2903, Unknown=24, NotChecked=0, Total=3540 [2024-05-06 17:51:25,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 17:51:25,478 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 17:51:25,478 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 60 states, 60 states have (on average 5.0) internal successors, (300), 60 states have internal predecessors, (300), 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) [2024-05-06 17:51:25,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 17:51:25,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-06 17:51:25,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-06 17:51:25,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 17:51:27,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 17:51:27,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-06 17:51:27,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-06 17:51:27,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-05-06 17:51:27,521 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-05-06 17:51:27,712 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-05-06 17:51:27,713 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-06 17:51:27,713 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 17:51:27,713 INFO L85 PathProgramCache]: Analyzing trace with hash -451029702, now seen corresponding path program 2 times [2024-05-06 17:51:27,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 17:51:27,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403744960] [2024-05-06 17:51:27,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 17:51:27,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 17:51:27,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 17:51:27,888 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-05-06 17:51:27,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 17:51:27,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1403744960] [2024-05-06 17:51:27,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1403744960] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-06 17:51:27,889 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-06 17:51:27,889 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-06 17:51:27,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153809005] [2024-05-06 17:51:27,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-06 17:51:27,889 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-06 17:51:27,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 17:51:27,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-06 17:51:27,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-05-06 17:51:27,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 17:51:27,890 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 17:51:27,890 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 22.333333333333332) internal successors, (134), 6 states have internal predecessors, (134), 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) [2024-05-06 17:51:27,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 17:51:27,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-06 17:51:27,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-06 17:51:27,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-05-06 17:51:27,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 17:51:28,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 17:51:28,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-06 17:51:28,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-06 17:51:28,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-05-06 17:51:28,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-06 17:51:28,172 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-05-06 17:51:28,172 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-06 17:51:28,172 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 17:51:28,172 INFO L85 PathProgramCache]: Analyzing trace with hash 1459621771, now seen corresponding path program 3 times [2024-05-06 17:51:28,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 17:51:28,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424767877] [2024-05-06 17:51:28,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 17:51:28,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 17:51:28,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 17:51:28,317 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-05-06 17:51:28,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 17:51:28,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1424767877] [2024-05-06 17:51:28,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1424767877] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-06 17:51:28,319 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-06 17:51:28,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-05-06 17:51:28,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975820281] [2024-05-06 17:51:28,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-06 17:51:28,319 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-05-06 17:51:28,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 17:51:28,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-05-06 17:51:28,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-05-06 17:51:28,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 17:51:28,320 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 17:51:28,321 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.5) internal successors, (142), 4 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-06 17:51:28,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 17:51:28,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-06 17:51:28,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-06 17:51:28,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-05-06 17:51:28,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-06 17:51:28,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 17:51:28,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 17:51:28,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-06 17:51:28,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-06 17:51:28,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-05-06 17:51:28,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-06 17:51:28,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-06 17:51:28,477 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-05-06 17:51:28,478 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-06 17:51:28,478 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 17:51:28,478 INFO L85 PathProgramCache]: Analyzing trace with hash -1795459348, now seen corresponding path program 1 times [2024-05-06 17:51:28,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 17:51:28,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50264266] [2024-05-06 17:51:28,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 17:51:28,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 17:51:28,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 17:51:28,659 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 25 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-05-06 17:51:28,660 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 17:51:28,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50264266] [2024-05-06 17:51:28,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [50264266] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 17:51:28,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [257647314] [2024-05-06 17:51:28,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 17:51:28,660 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 17:51:28,660 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 17:51:28,661 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-06 17:51:28,701 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-05-06 17:51:28,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 17:51:28,755 INFO L262 TraceCheckSpWp]: Trace formula consists of 299 conjuncts, 11 conjunts are in the unsatisfiable core [2024-05-06 17:51:28,757 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 17:51:28,961 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 20 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-05-06 17:51:28,961 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 17:51:29,179 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 20 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-05-06 17:51:29,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [257647314] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-06 17:51:29,180 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-06 17:51:29,180 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10, 10] total 20 [2024-05-06 17:51:29,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580710145] [2024-05-06 17:51:29,180 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-06 17:51:29,181 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-05-06 17:51:29,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 17:51:29,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-05-06 17:51:29,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=286, Unknown=0, NotChecked=0, Total=380 [2024-05-06 17:51:29,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 17:51:29,182 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 17:51:29,182 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 9.9) internal successors, (198), 20 states have internal predecessors, (198), 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) [2024-05-06 17:51:29,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 17:51:29,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-06 17:51:29,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-06 17:51:29,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-05-06 17:51:29,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-06 17:51:29,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-06 17:51:29,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 17:51:29,771 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 5 [2024-05-06 17:51:31,845 INFO L85 PathProgramCache]: Analyzing trace with hash 1891876799, now seen corresponding path program 1 times [2024-05-06 17:51:31,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 17:51:31,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 17:51:31,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 17:51:31,885 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 17:51:31,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 17:51:31,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 17:51:31,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-06 17:51:31,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-06 17:51:31,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-05-06 17:51:31,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-06 17:51:31,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-06 17:51:31,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-05-06 17:51:31,998 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-05-06 17:51:32,185 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-05-06 17:51:32,186 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-06 17:51:32,186 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 17:51:32,186 INFO L85 PathProgramCache]: Analyzing trace with hash -1032954694, now seen corresponding path program 2 times [2024-05-06 17:51:32,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 17:51:32,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405606088] [2024-05-06 17:51:32,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 17:51:32,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 17:51:32,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 17:51:33,595 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 17:51:33,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 17:51:33,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1405606088] [2024-05-06 17:51:33,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1405606088] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 17:51:33,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2121440314] [2024-05-06 17:51:33,596 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-06 17:51:33,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 17:51:33,596 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 17:51:33,617 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-06 17:51:33,618 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-05-06 17:51:33,700 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-06 17:51:33,700 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-06 17:51:33,702 INFO L262 TraceCheckSpWp]: Trace formula consists of 299 conjuncts, 49 conjunts are in the unsatisfiable core [2024-05-06 17:51:33,705 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 17:51:35,008 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 17:51:35,008 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 17:51:35,830 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-06 17:51:35,830 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 75 treesize of output 60 [2024-05-06 17:51:36,822 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 17:51:36,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2121440314] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-06 17:51:36,823 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-06 17:51:36,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 27, 26] total 75 [2024-05-06 17:51:36,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707870587] [2024-05-06 17:51:36,823 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-06 17:51:36,824 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 75 states [2024-05-06 17:51:36,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 17:51:36,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 75 interpolants. [2024-05-06 17:51:36,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=690, Invalid=4860, Unknown=0, NotChecked=0, Total=5550 [2024-05-06 17:51:36,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 17:51:36,826 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 17:51:36,826 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 75 states, 75 states have (on average 5.173333333333333) internal successors, (388), 75 states have internal predecessors, (388), 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) [2024-05-06 17:51:36,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 17:51:36,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-06 17:51:36,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-06 17:51:36,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-05-06 17:51:36,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-06 17:51:36,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-06 17:51:36,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-05-06 17:51:36,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 17:51:39,947 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-05-06 17:51:42,013 INFO L85 PathProgramCache]: Analyzing trace with hash 19809378, now seen corresponding path program 2 times [2024-05-06 17:51:42,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 17:51:42,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 17:51:42,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 17:51:42,064 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 17:51:42,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 17:51:42,901 INFO L349 Elim1Store]: treesize reduction 24, result has 48.9 percent of original size [2024-05-06 17:51:42,902 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 255 treesize of output 151 [2024-05-06 17:51:45,788 INFO L85 PathProgramCache]: Analyzing trace with hash -2145273028, now seen corresponding path program 1 times [2024-05-06 17:51:45,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 17:51:45,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 17:51:45,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 17:51:45,808 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 17:51:45,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 17:51:45,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 17:51:45,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-06 17:51:45,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-06 17:51:45,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-05-06 17:51:45,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-06 17:51:45,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-06 17:51:45,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-05-06 17:51:45,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-05-06 17:51:45,869 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-05-06 17:51:46,068 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,SelfDestructingSolverStorable12,SelfDestructingSolverStorable13,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 17:51:46,069 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-06 17:51:46,069 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 17:51:46,069 INFO L85 PathProgramCache]: Analyzing trace with hash 446576088, now seen corresponding path program 3 times [2024-05-06 17:51:46,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 17:51:46,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250031823] [2024-05-06 17:51:46,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 17:51:46,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 17:51:46,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 17:51:48,329 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 101 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 17:51:48,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 17:51:48,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250031823] [2024-05-06 17:51:48,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1250031823] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 17:51:48,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [622834886] [2024-05-06 17:51:48,329 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-06 17:51:48,329 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 17:51:48,330 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 17:51:48,330 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-06 17:51:48,332 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-05-06 17:51:48,490 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-05-06 17:51:48,490 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-06 17:51:48,492 INFO L262 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 73 conjunts are in the unsatisfiable core [2024-05-06 17:51:48,495 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 17:51:51,135 INFO L349 Elim1Store]: treesize reduction 28, result has 63.6 percent of original size [2024-05-06 17:51:51,135 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 63 treesize of output 68 [2024-05-06 17:51:51,724 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 101 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 17:51:51,724 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 17:51:54,085 INFO L349 Elim1Store]: treesize reduction 18, result has 60.0 percent of original size [2024-05-06 17:51:54,085 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 67 treesize of output 52 [2024-05-06 17:51:57,472 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 101 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 17:51:57,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [622834886] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-06 17:51:57,472 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-06 17:51:57,472 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 44, 44] total 119 [2024-05-06 17:51:57,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307336803] [2024-05-06 17:51:57,472 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-06 17:51:57,473 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 119 states [2024-05-06 17:51:57,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 17:51:57,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 119 interpolants. [2024-05-06 17:51:57,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1697, Invalid=12345, Unknown=0, NotChecked=0, Total=14042 [2024-05-06 17:51:57,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 17:51:57,477 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 17:51:57,478 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 119 states, 119 states have (on average 4.100840336134453) internal successors, (488), 119 states have internal predecessors, (488), 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) [2024-05-06 17:51:57,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 17:51:57,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-06 17:51:57,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-06 17:51:57,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-05-06 17:51:57,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-06 17:51:57,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-06 17:51:57,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-05-06 17:51:57,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-05-06 17:51:57,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 17:52:12,340 INFO L349 Elim1Store]: treesize reduction 48, result has 15.8 percent of original size [2024-05-06 17:52:12,341 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 186 treesize of output 93 [2024-05-06 17:52:15,405 INFO L85 PathProgramCache]: Analyzing trace with hash 946304517, now seen corresponding path program 3 times [2024-05-06 17:52:15,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 17:52:15,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 17:52:15,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 17:52:15,422 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 17:52:15,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 17:52:20,558 INFO L349 Elim1Store]: treesize reduction 46, result has 37.0 percent of original size [2024-05-06 17:52:20,559 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 347 treesize of output 213 [2024-05-06 17:52:26,831 INFO L85 PathProgramCache]: Analyzing trace with hash -98606535, now seen corresponding path program 2 times [2024-05-06 17:52:26,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 17:52:26,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 17:52:26,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 17:52:26,857 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 17:52:26,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 17:52:29,177 INFO L349 Elim1Store]: treesize reduction 35, result has 10.3 percent of original size [2024-05-06 17:52:29,178 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 149 treesize of output 69 [2024-05-06 17:52:31,461 INFO L85 PathProgramCache]: Analyzing trace with hash -1872928156, now seen corresponding path program 3 times [2024-05-06 17:52:31,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 17:52:31,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 17:52:31,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 17:52:31,490 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 17:52:31,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 17:52:31,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 17:52:31,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-06 17:52:31,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-06 17:52:31,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-05-06 17:52:31,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-06 17:52:31,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-06 17:52:31,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-05-06 17:52:31,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-05-06 17:52:31,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 172 states. [2024-05-06 17:52:31,778 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-05-06 17:52:31,964 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14,SelfDestructingSolverStorable15,SelfDestructingSolverStorable16,SelfDestructingSolverStorable17 [2024-05-06 17:52:31,965 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-06 17:52:31,965 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 17:52:31,965 INFO L85 PathProgramCache]: Analyzing trace with hash -1856119905, now seen corresponding path program 4 times [2024-05-06 17:52:31,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 17:52:31,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580730462] [2024-05-06 17:52:31,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 17:52:31,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 17:52:31,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 17:52:35,481 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 24 proven. 170 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 17:52:35,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 17:52:35,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580730462] [2024-05-06 17:52:35,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1580730462] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 17:52:35,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1867781935] [2024-05-06 17:52:35,481 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-06 17:52:35,481 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 17:52:35,482 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 17:52:35,482 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-06 17:52:35,485 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-05-06 17:52:35,608 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-06 17:52:35,609 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-06 17:52:35,611 INFO L262 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 84 conjunts are in the unsatisfiable core [2024-05-06 17:52:35,615 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 17:52:38,826 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 4 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 17:52:38,827 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 17:52:41,728 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-06 17:52:41,728 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 143 treesize of output 190 [2024-05-06 17:52:43,541 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 0 proven. 194 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 17:52:43,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1867781935] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-06 17:52:43,542 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-06 17:52:43,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [53, 45, 44] total 133 [2024-05-06 17:52:43,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703077866] [2024-05-06 17:52:43,547 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-06 17:52:43,548 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 133 states [2024-05-06 17:52:43,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 17:52:43,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 133 interpolants. [2024-05-06 17:52:43,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1866, Invalid=15690, Unknown=0, NotChecked=0, Total=17556 [2024-05-06 17:52:43,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 17:52:43,552 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 17:52:43,552 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 133 states, 133 states have (on average 4.398496240601504) internal successors, (585), 133 states have internal predecessors, (585), 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) [2024-05-06 17:52:43,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 17:52:43,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-06 17:52:43,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-06 17:52:43,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-05-06 17:52:43,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-06 17:52:43,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-06 17:52:43,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-05-06 17:52:43,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-05-06 17:52:43,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 172 states. [2024-05-06 17:52:43,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 17:52:53,899 INFO L349 Elim1Store]: treesize reduction 116, result has 42.3 percent of original size [2024-05-06 17:52:53,899 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 551 treesize of output 316 [2024-05-06 17:53:58,331 INFO L85 PathProgramCache]: Analyzing trace with hash -1485679448, now seen corresponding path program 4 times [2024-05-06 17:53:58,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 17:53:58,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 17:53:58,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 17:53:58,347 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 17:53:58,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 17:54:02,061 INFO L349 Elim1Store]: treesize reduction 188, result has 40.3 percent of original size [2024-05-06 17:54:02,062 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 902 treesize of output 516 [2024-05-06 17:56:16,322 INFO L85 PathProgramCache]: Analyzing trace with hash 246987830, now seen corresponding path program 4 times [2024-05-06 17:56:16,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 17:56:16,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 17:56:16,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 17:56:16,345 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 17:56:16,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 17:56:18,332 INFO L349 Elim1Store]: treesize reduction 116, result has 42.3 percent of original size [2024-05-06 17:56:18,332 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 515 treesize of output 297 [2024-05-06 17:56:49,847 INFO L85 PathProgramCache]: Analyzing trace with hash -136700985, now seen corresponding path program 5 times [2024-05-06 17:56:49,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 17:56:49,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 17:56:49,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 17:56:49,893 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 17:56:49,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 17:56:53,279 INFO L349 Elim1Store]: treesize reduction 188, result has 40.3 percent of original size [2024-05-06 17:56:53,280 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 855 treesize of output 495 [2024-05-06 17:59:01,103 INFO L85 PathProgramCache]: Analyzing trace with hash -189701577, now seen corresponding path program 6 times [2024-05-06 17:59:01,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 17:59:01,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 17:59:01,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 17:59:01,173 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 17:59:01,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 17:59:02,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 17:59:02,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-06 17:59:02,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-06 17:59:02,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-05-06 17:59:02,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-06 17:59:02,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-06 17:59:02,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-05-06 17:59:02,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-05-06 17:59:02,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 194 states. [2024-05-06 17:59:02,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2024-05-06 17:59:02,170 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-05-06 17:59:02,373 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,SelfDestructingSolverStorable19,SelfDestructingSolverStorable20,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21,SelfDestructingSolverStorable22 [2024-05-06 17:59:02,373 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-06 17:59:02,374 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 17:59:02,374 INFO L85 PathProgramCache]: Analyzing trace with hash 1614006419, now seen corresponding path program 5 times [2024-05-06 17:59:02,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 17:59:02,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835349193] [2024-05-06 17:59:02,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 17:59:02,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 17:59:02,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 17:59:06,367 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 61 proven. 257 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 17:59:06,367 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 17:59:06,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835349193] [2024-05-06 17:59:06,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [835349193] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 17:59:06,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [679201612] [2024-05-06 17:59:06,368 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-05-06 17:59:06,368 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 17:59:06,368 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 17:59:06,369 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-06 17:59:06,370 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-05-06 17:59:06,511 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2024-05-06 17:59:06,512 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-06 17:59:06,514 INFO L262 TraceCheckSpWp]: Trace formula consists of 441 conjuncts, 113 conjunts are in the unsatisfiable core [2024-05-06 17:59:06,518 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 17:59:07,665 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2024-05-06 17:59:08,051 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-05-06 17:59:08,119 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-05-06 17:59:14,342 INFO L349 Elim1Store]: treesize reduction 289, result has 5.2 percent of original size [2024-05-06 17:59:14,343 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 116 treesize of output 45 [2024-05-06 17:59:14,444 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 0 proven. 318 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 17:59:14,445 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 17:59:50,419 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-06 17:59:50,419 INFO L378 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 1 case distinctions, treesize of input 300 treesize of output 192 [2024-05-06 17:59:50,634 INFO L349 Elim1Store]: treesize reduction 160, result has 47.5 percent of original size [2024-05-06 17:59:50,635 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 596 treesize of output 654 [2024-05-06 17:59:50,868 INFO L349 Elim1Store]: treesize reduction 160, result has 47.5 percent of original size [2024-05-06 17:59:50,869 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 510 treesize of output 522 [2024-05-06 17:59:51,069 INFO L349 Elim1Store]: treesize reduction 160, result has 47.5 percent of original size [2024-05-06 17:59:51,069 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 345 treesize of output 423 [2024-05-06 18:00:05,265 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-06 18:00:05,269 INFO L378 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 1 case distinctions, treesize of input 301 treesize of output 193 [2024-05-06 18:00:05,404 INFO L349 Elim1Store]: treesize reduction 284, result has 6.9 percent of original size [2024-05-06 18:00:05,404 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 600 treesize of output 534 [2024-05-06 18:00:05,521 INFO L349 Elim1Store]: treesize reduction 284, result has 6.9 percent of original size [2024-05-06 18:00:05,522 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 510 treesize of output 398 [2024-05-06 18:00:05,643 INFO L349 Elim1Store]: treesize reduction 284, result has 6.9 percent of original size [2024-05-06 18:00:05,644 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 345 treesize of output 299 [2024-05-06 18:01:25,660 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 0 proven. 318 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 18:01:25,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [679201612] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-06 18:01:25,661 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-06 18:01:25,661 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [60, 67, 64] total 179 [2024-05-06 18:01:25,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163460910] [2024-05-06 18:01:25,661 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-06 18:01:25,662 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 179 states [2024-05-06 18:01:25,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 18:01:25,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 179 interpolants. [2024-05-06 18:01:25,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3475, Invalid=28317, Unknown=70, NotChecked=0, Total=31862 [2024-05-06 18:01:25,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 18:01:25,672 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 18:01:25,672 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 179 states, 179 states have (on average 3.7597765363128492) internal successors, (673), 179 states have internal predecessors, (673), 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) [2024-05-06 18:01:25,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 18:01:25,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-06 18:01:25,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-06 18:01:25,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-05-06 18:01:25,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-06 18:01:25,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-06 18:01:25,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-05-06 18:01:25,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-05-06 18:01:25,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 194 states. [2024-05-06 18:01:25,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2024-05-06 18:01:25,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 18:01:29,783 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-05-06 18:01:32,195 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-05-06 18:01:34,204 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-05-06 18:01:36,207 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-05-06 18:01:38,213 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-05-06 18:01:49,663 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-05-06 18:02:12,231 WARN L293 SmtUtils]: Spent 9.38s on a formula simplification. DAG size of input: 923 DAG size of output: 768 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2024-05-06 18:02:12,232 INFO L349 Elim1Store]: treesize reduction 382, result has 80.9 percent of original size [2024-05-06 18:02:12,233 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 22 select indices, 22 select index equivalence classes, 0 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 231 case distinctions, treesize of input 1453 treesize of output 2202 Received shutdown request... [2024-05-06 18:05:18,585 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-06 18:05:18,585 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-06 18:05:18,585 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-06 18:05:18,586 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-05-06 18:05:18,786 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-05-06 18:05:18,786 WARN L619 AbstractCegarLoop]: Verification canceled: while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-208-19-8-14-4-14-4-13-4-12-4-11-4-10-4-9-4-8-4-7-5-6-5-5-5-4-5-3-5-2-4-2-1 context. [2024-05-06 18:05:18,788 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2024-05-06 18:05:18,789 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2024-05-06 18:05:18,789 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-05-06 18:05:18,792 INFO L448 BasicCegarLoop]: Path program histogram: [6, 5, 4, 3, 1, 1, 1, 1, 1] [2024-05-06 18:05:18,793 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: clock still running: ConditionalCommutativityCheckTime at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopStatisticsGenerator.getValue(CegarLoopStatisticsGenerator.java:172) at de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData.aggregateBenchmarkData(StatisticsData.java:60) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:418) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-05-06 18:05:18,795 INFO L158 Benchmark]: Toolchain (without parser) took 840645.22ms. Allocated memory was 152.0MB in the beginning and 889.2MB in the end (delta: 737.1MB). Free memory was 80.5MB in the beginning and 561.0MB in the end (delta: -480.6MB). Peak memory consumption was 590.5MB. Max. memory is 8.0GB. [2024-05-06 18:05:18,796 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 152.0MB. Free memory is still 84.1MB. There was no memory consumed. Max. memory is 8.0GB. [2024-05-06 18:05:18,796 INFO L158 Benchmark]: CACSL2BoogieTranslator took 223.26ms. Allocated memory is still 152.0MB. Free memory was 80.4MB in the beginning and 68.4MB in the end (delta: 11.9MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2024-05-06 18:05:18,796 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.26ms. Allocated memory was 152.0MB in the beginning and 280.0MB in the end (delta: 127.9MB). Free memory was 68.4MB in the beginning and 249.3MB in the end (delta: -180.8MB). Peak memory consumption was 9.0MB. Max. memory is 8.0GB. [2024-05-06 18:05:18,796 INFO L158 Benchmark]: Boogie Preprocessor took 20.22ms. Allocated memory is still 280.0MB. Free memory was 249.2MB in the beginning and 247.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-05-06 18:05:18,796 INFO L158 Benchmark]: RCFGBuilder took 428.23ms. Allocated memory is still 280.0MB. Free memory was 247.6MB in the beginning and 233.4MB in the end (delta: 14.1MB). Peak memory consumption was 16.7MB. Max. memory is 8.0GB. [2024-05-06 18:05:18,796 INFO L158 Benchmark]: TraceAbstraction took 839921.49ms. Allocated memory was 280.0MB in the beginning and 889.2MB in the end (delta: 609.2MB). Free memory was 232.4MB in the beginning and 561.0MB in the end (delta: -328.6MB). Peak memory consumption was 614.0MB. Max. memory is 8.0GB. [2024-05-06 18:05:18,798 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 152.0MB. Free memory is still 84.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 223.26ms. Allocated memory is still 152.0MB. Free memory was 80.4MB in the beginning and 68.4MB in the end (delta: 11.9MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 46.26ms. Allocated memory was 152.0MB in the beginning and 280.0MB in the end (delta: 127.9MB). Free memory was 68.4MB in the beginning and 249.3MB in the end (delta: -180.8MB). Peak memory consumption was 9.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 20.22ms. Allocated memory is still 280.0MB. Free memory was 249.2MB in the beginning and 247.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 428.23ms. Allocated memory is still 280.0MB. Free memory was 247.6MB in the beginning and 233.4MB in the end (delta: 14.1MB). Peak memory consumption was 16.7MB. Max. memory is 8.0GB. * TraceAbstraction took 839921.49ms. Allocated memory was 280.0MB in the beginning and 889.2MB in the end (delta: 609.2MB). Free memory was 232.4MB in the beginning and 561.0MB in the end (delta: -328.6MB). Peak memory consumption was 614.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 47752, independent: 45235, independent conditional: 45042, independent unconditional: 193, dependent: 2517, dependent conditional: 2517, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 45275, independent: 45235, independent conditional: 45042, independent unconditional: 193, dependent: 40, dependent conditional: 40, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 45275, independent: 45235, independent conditional: 45042, independent unconditional: 193, dependent: 40, dependent conditional: 40, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 45275, independent: 45235, independent conditional: 45042, independent unconditional: 193, dependent: 40, dependent conditional: 40, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 45423, independent: 45235, independent conditional: 19676, independent unconditional: 25559, dependent: 188, dependent conditional: 150, dependent unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 45423, independent: 45235, independent conditional: 9896, independent unconditional: 35339, dependent: 188, dependent conditional: 125, dependent unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 45423, independent: 45235, independent conditional: 9896, independent unconditional: 35339, dependent: 188, dependent conditional: 125, dependent unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 602, independent: 571, independent conditional: 63, independent unconditional: 508, dependent: 31, dependent conditional: 28, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 602, independent: 571, independent conditional: 0, independent unconditional: 571, dependent: 31, dependent conditional: 0, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 31, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 31, dependent conditional: 28, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 31, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 31, dependent conditional: 28, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 107, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 107, dependent conditional: 102, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 45423, independent: 44664, independent conditional: 9833, independent unconditional: 34831, dependent: 157, dependent conditional: 97, dependent unconditional: 60, unknown: 602, unknown conditional: 91, unknown unconditional: 511] , Statistics on independence cache: Total cache size (in pairs): 602, Positive cache size: 571, Positive conditional cache size: 63, Positive unconditional cache size: 508, Negative cache size: 31, Negative conditional cache size: 28, Negative unconditional cache size: 3, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 9805, Maximal queried relation: 10, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 45423, independent: 45235, independent conditional: 19676, independent unconditional: 25559, dependent: 188, dependent conditional: 150, dependent unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 45423, independent: 45235, independent conditional: 9896, independent unconditional: 35339, dependent: 188, dependent conditional: 125, dependent unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 45423, independent: 45235, independent conditional: 9896, independent unconditional: 35339, dependent: 188, dependent conditional: 125, dependent unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 602, independent: 571, independent conditional: 63, independent unconditional: 508, dependent: 31, dependent conditional: 28, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 602, independent: 571, independent conditional: 0, independent unconditional: 571, dependent: 31, dependent conditional: 0, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 31, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 31, dependent conditional: 28, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 31, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 31, dependent conditional: 28, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 107, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 107, dependent conditional: 102, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 45423, independent: 44664, independent conditional: 9833, independent unconditional: 34831, dependent: 157, dependent conditional: 97, dependent unconditional: 60, unknown: 602, unknown conditional: 91, unknown unconditional: 511] , Statistics on independence cache: Total cache size (in pairs): 602, Positive cache size: 571, Positive conditional cache size: 63, Positive unconditional cache size: 508, Negative cache size: 31, Negative conditional cache size: 28, Negative unconditional cache size: 3, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 9805 ], Independence queries for same thread: 2477 - ExceptionOrErrorResult: AssertionError: clock still running: ConditionalCommutativityCheckTime de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: clock still running: ConditionalCommutativityCheckTime: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopStatisticsGenerator.getValue(CegarLoopStatisticsGenerator.java:172) RESULT: Ultimate could not prove your program: Toolchain returned no result. Completed graceful shutdown