/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 BOTH --traceabstraction.criterion.for.conditional.commutativity.checking SLEEP_SET --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 10 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread/stack-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-3774817-m [2024-04-06 07:08:40,634 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-06 07:08:40,681 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-06 07:08:40,685 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-06 07:08:40,685 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-06 07:08:40,702 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-06 07:08:40,702 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-06 07:08:40,703 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-06 07:08:40,703 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-06 07:08:40,704 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-06 07:08:40,704 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-06 07:08:40,705 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-06 07:08:40,705 INFO L153 SettingsManager]: * Use SBE=true [2024-04-06 07:08:40,705 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-06 07:08:40,706 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-06 07:08:40,706 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-06 07:08:40,706 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-06 07:08:40,707 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-06 07:08:40,707 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-06 07:08:40,707 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-06 07:08:40,708 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-06 07:08:40,708 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-06 07:08:40,708 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-06 07:08:40,709 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-06 07:08:40,709 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-06 07:08:40,709 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-06 07:08:40,710 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-06 07:08:40,710 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-06 07:08:40,711 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-06 07:08:40,711 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-06 07:08:40,711 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-06 07:08:40,711 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-06 07:08:40,712 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-06 07:08:40,712 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-06 07:08:40,712 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-06 07:08:40,713 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-06 07:08:40,713 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-06 07:08:40,713 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-06 07:08:40,713 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-06 07:08:40,714 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> BOTH Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> SLEEP_SET Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 10 [2024-04-06 07:08:40,948 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-06 07:08:40,966 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-06 07:08:40,968 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-06 07:08:40,969 INFO L270 PluginConnector]: Initializing CDTParser... [2024-04-06 07:08:40,972 INFO L274 PluginConnector]: CDTParser initialized [2024-04-06 07:08:40,973 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread/stack-1.i [2024-04-06 07:08:42,119 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-04-06 07:08:42,377 INFO L384 CDTParser]: Found 1 translation units. [2024-04-06 07:08:42,377 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/stack-1.i [2024-04-06 07:08:42,399 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/90ac4d15b/fe9c43e85b2d456cb280ca3c4e52475a/FLAG93e6bd1aa [2024-04-06 07:08:42,415 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/90ac4d15b/fe9c43e85b2d456cb280ca3c4e52475a [2024-04-06 07:08:42,419 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-06 07:08:42,420 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-04-06 07:08:42,422 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-04-06 07:08:42,422 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-04-06 07:08:42,426 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-04-06 07:08:42,427 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.04 07:08:42" (1/1) ... [2024-04-06 07:08:42,428 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@693d5c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 07:08:42, skipping insertion in model container [2024-04-06 07:08:42,428 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.04 07:08:42" (1/1) ... [2024-04-06 07:08:42,480 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-04-06 07:08:42,890 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/stack-1.i[41520,41533] [2024-04-06 07:08:42,925 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-06 07:08:42,937 INFO L202 MainTranslator]: Completed pre-run [2024-04-06 07:08:42,970 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/stack-1.i[41520,41533] [2024-04-06 07:08:42,977 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-06 07:08:43,073 INFO L206 MainTranslator]: Completed translation [2024-04-06 07:08:43,074 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 07:08:43 WrapperNode [2024-04-06 07:08:43,074 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-04-06 07:08:43,075 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-06 07:08:43,075 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-06 07:08:43,075 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-06 07:08:43,099 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 07:08:43" (1/1) ... [2024-04-06 07:08:43,119 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 07:08:43" (1/1) ... [2024-04-06 07:08:43,147 INFO L138 Inliner]: procedures = 278, calls = 45, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 158 [2024-04-06 07:08:43,147 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-06 07:08:43,148 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-06 07:08:43,148 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-06 07:08:43,148 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-06 07:08:43,159 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 07:08:43" (1/1) ... [2024-04-06 07:08:43,159 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 07:08:43" (1/1) ... [2024-04-06 07:08:43,163 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 07:08:43" (1/1) ... [2024-04-06 07:08:43,163 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 07:08:43" (1/1) ... [2024-04-06 07:08:43,170 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 07:08:43" (1/1) ... [2024-04-06 07:08:43,173 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 07:08:43" (1/1) ... [2024-04-06 07:08:43,174 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 07:08:43" (1/1) ... [2024-04-06 07:08:43,176 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 07:08:43" (1/1) ... [2024-04-06 07:08:43,178 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-06 07:08:43,179 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-06 07:08:43,179 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-06 07:08:43,179 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-06 07:08:43,180 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 07:08:43" (1/1) ... [2024-04-06 07:08:43,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-06 07:08:43,197 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 07:08:43,211 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) [2024-04-06 07:08:43,227 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 [2024-04-06 07:08:43,266 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2024-04-06 07:08:43,266 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2024-04-06 07:08:43,266 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2024-04-06 07:08:43,266 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2024-04-06 07:08:43,266 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-04-06 07:08:43,266 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-04-06 07:08:43,267 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-04-06 07:08:43,267 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-04-06 07:08:43,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-04-06 07:08:43,267 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-04-06 07:08:43,267 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-04-06 07:08:43,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-04-06 07:08:43,268 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-06 07:08:43,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-06 07:08:43,271 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-04-06 07:08:43,389 INFO L241 CfgBuilder]: Building ICFG [2024-04-06 07:08:43,391 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-06 07:08:43,591 INFO L282 CfgBuilder]: Performing block encoding [2024-04-06 07:08:43,620 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-06 07:08:43,620 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2024-04-06 07:08:43,622 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.04 07:08:43 BoogieIcfgContainer [2024-04-06 07:08:43,622 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-06 07:08:43,632 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-06 07:08:43,632 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-06 07:08:43,635 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-06 07:08:43,636 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.04 07:08:42" (1/3) ... [2024-04-06 07:08:43,637 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e1689b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.04 07:08:43, skipping insertion in model container [2024-04-06 07:08:43,637 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 07:08:43" (2/3) ... [2024-04-06 07:08:43,637 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e1689b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.04 07:08:43, skipping insertion in model container [2024-04-06 07:08:43,637 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.04 07:08:43" (3/3) ... [2024-04-06 07:08:43,639 INFO L112 eAbstractionObserver]: Analyzing ICFG stack-1.i [2024-04-06 07:08:43,647 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-06 07:08:43,656 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-06 07:08:43,656 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-04-06 07:08:43,657 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-06 07:08:43,794 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-04-06 07:08:43,840 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-06 07:08:43,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-06 07:08:43,841 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 07:08:43,846 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) [2024-04-06 07:08:43,873 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 [2024-04-06 07:08:43,893 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-06 07:08:43,903 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 07:08:43,905 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-06 07:08:43,913 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;@5486f8d7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=BOTH, mConComCheckerCriterion=SLEEP_SET, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=10, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123 [2024-04-06 07:08:43,913 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-04-06 07:08:43,989 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-04-06 07:08:43,991 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 07:08:43,991 INFO L85 PathProgramCache]: Analyzing trace with hash -1816057564, now seen corresponding path program 1 times [2024-04-06 07:08:43,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 07:08:43,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880318443] [2024-04-06 07:08:44,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 07:08:44,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 07:08:44,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 07:08:44,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 07:08:44,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 07:08:44,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880318443] [2024-04-06 07:08:44,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1880318443] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-06 07:08:44,221 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-06 07:08:44,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-04-06 07:08:44,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548665295] [2024-04-06 07:08:44,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 07:08:44,229 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-04-06 07:08:44,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 07:08:44,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-04-06 07:08:44,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-04-06 07:08:44,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 07:08:44,288 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 07:08:44,289 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 37.5) internal successors, (75), 2 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 07:08:44,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 07:08:44,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 07:08:44,325 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-04-06 07:08:44,325 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-04-06 07:08:44,326 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 07:08:44,326 INFO L85 PathProgramCache]: Analyzing trace with hash 18121002, now seen corresponding path program 1 times [2024-04-06 07:08:44,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 07:08:44,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059133646] [2024-04-06 07:08:44,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 07:08:44,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 07:08:44,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 07:08:44,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 07:08:44,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 07:08:44,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1059133646] [2024-04-06 07:08:44,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1059133646] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-06 07:08:44,600 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-06 07:08:44,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-04-06 07:08:44,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705269791] [2024-04-06 07:08:44,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 07:08:44,602 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-04-06 07:08:44,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 07:08:44,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-04-06 07:08:44,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-04-06 07:08:44,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 07:08:44,624 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 07:08:44,624 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 07:08:44,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 07:08:44,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 07:08:44,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 07:08:44,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 07:08:44,706 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-04-06 07:08:44,707 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-04-06 07:08:44,707 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 07:08:44,707 INFO L85 PathProgramCache]: Analyzing trace with hash -566881399, now seen corresponding path program 1 times [2024-04-06 07:08:44,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 07:08:44,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442843670] [2024-04-06 07:08:44,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 07:08:44,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 07:08:44,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 07:08:44,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 07:08:44,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 07:08:44,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1442843670] [2024-04-06 07:08:44,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1442843670] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-06 07:08:44,931 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-06 07:08:44,931 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-04-06 07:08:44,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68202697] [2024-04-06 07:08:44,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 07:08:44,932 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-04-06 07:08:44,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 07:08:44,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-04-06 07:08:44,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-04-06 07:08:44,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 07:08:44,939 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 07:08:44,939 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 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) [2024-04-06 07:08:44,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 07:08:44,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 07:08:44,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 07:08:45,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 07:08:45,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 07:08:45,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 07:08:45,042 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-04-06 07:08:45,042 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-04-06 07:08:45,045 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 07:08:45,045 INFO L85 PathProgramCache]: Analyzing trace with hash -387153371, now seen corresponding path program 1 times [2024-04-06 07:08:45,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 07:08:45,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250479450] [2024-04-06 07:08:45,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 07:08:45,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 07:08:45,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 07:08:45,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 07:08:45,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 07:08:45,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250479450] [2024-04-06 07:08:45,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1250479450] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-06 07:08:45,197 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-06 07:08:45,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-04-06 07:08:45,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174607214] [2024-04-06 07:08:45,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 07:08:45,198 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-04-06 07:08:45,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 07:08:45,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-04-06 07:08:45,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-04-06 07:08:45,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 07:08:45,210 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 07:08:45,210 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 07:08:45,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 07:08:45,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 07:08:45,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 07:08:45,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 07:08:45,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 07:08:45,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 07:08:45,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 07:08:45,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 07:08:45,278 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-04-06 07:08:45,284 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-04-06 07:08:45,284 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 07:08:45,284 INFO L85 PathProgramCache]: Analyzing trace with hash -2139929089, now seen corresponding path program 1 times [2024-04-06 07:08:45,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 07:08:45,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710634024] [2024-04-06 07:08:45,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 07:08:45,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 07:08:45,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 07:08:47,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 07:08:47,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 07:08:47,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1710634024] [2024-04-06 07:08:47,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1710634024] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-06 07:08:47,112 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-06 07:08:47,112 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2024-04-06 07:08:47,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49611423] [2024-04-06 07:08:47,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 07:08:47,113 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-04-06 07:08:47,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 07:08:47,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-04-06 07:08:47,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=487, Unknown=0, NotChecked=0, Total=552 [2024-04-06 07:08:47,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 07:08:47,129 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 07:08:47,129 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 4.875) internal successors, (117), 24 states have internal predecessors, (117), 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) [2024-04-06 07:08:47,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 07:08:47,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 07:08:47,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 07:08:47,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 07:08:47,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 07:08:49,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 07:08:49,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 07:08:49,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 07:08:49,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 07:08:49,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-04-06 07:08:49,296 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-04-06 07:08:49,297 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-04-06 07:08:49,297 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 07:08:49,297 INFO L85 PathProgramCache]: Analyzing trace with hash 316952222, now seen corresponding path program 1 times [2024-04-06 07:08:49,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 07:08:49,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [112985446] [2024-04-06 07:08:49,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 07:08:49,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 07:08:49,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 07:08:49,537 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 133 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-04-06 07:08:49,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 07:08:49,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [112985446] [2024-04-06 07:08:49,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [112985446] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-06 07:08:49,538 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-06 07:08:49,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-04-06 07:08:49,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074309720] [2024-04-06 07:08:49,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 07:08:49,539 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-04-06 07:08:49,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 07:08:49,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-04-06 07:08:49,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-04-06 07:08:49,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 07:08:49,564 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 07:08:49,564 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.0) internal successors, (174), 3 states have internal predecessors, (174), 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) [2024-04-06 07:08:49,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 07:08:49,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 07:08:49,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 07:08:49,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 07:08:49,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-04-06 07:08:49,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 07:08:49,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 07:08:49,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 07:08:49,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 07:08:49,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 07:08:49,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-04-06 07:08:49,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 07:08:49,712 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-04-06 07:08:49,712 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-04-06 07:08:49,712 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 07:08:49,712 INFO L85 PathProgramCache]: Analyzing trace with hash -1034585494, now seen corresponding path program 1 times [2024-04-06 07:08:49,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 07:08:49,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035426943] [2024-04-06 07:08:49,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 07:08:49,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 07:08:49,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 07:08:51,680 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 15 proven. 100 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-04-06 07:08:51,680 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 07:08:51,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035426943] [2024-04-06 07:08:51,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2035426943] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 07:08:51,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1959482417] [2024-04-06 07:08:51,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 07:08:51,681 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 07:08:51,681 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 07:08:51,727 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) [2024-04-06 07:08:51,750 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-04-06 07:08:51,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 07:08:51,924 INFO L262 TraceCheckSpWp]: Trace formula consists of 484 conjuncts, 84 conjunts are in the unsatisfiable core [2024-04-06 07:08:51,935 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 07:08:53,669 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 15 treesize of output 1 [2024-04-06 07:08:54,263 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 22 treesize of output 10 [2024-04-06 07:08:54,433 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 16 proven. 104 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-04-06 07:08:54,433 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 07:08:55,140 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 54 treesize of output 46 [2024-04-06 07:08:55,710 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-04-06 07:08:55,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1959482417] provided 1 perfect and 1 imperfect interpolant sequences [2024-04-06 07:08:55,710 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-04-06 07:08:55,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [28, 33] total 77 [2024-04-06 07:08:55,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575904643] [2024-04-06 07:08:55,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 07:08:55,711 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-04-06 07:08:55,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 07:08:55,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-04-06 07:08:55,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=316, Invalid=5536, Unknown=0, NotChecked=0, Total=5852 [2024-04-06 07:08:55,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 07:08:55,751 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 07:08:55,751 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 8.181818181818182) internal successors, (180), 22 states have internal predecessors, (180), 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) [2024-04-06 07:08:55,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 07:08:55,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 07:08:55,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 07:08:55,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 07:08:55,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-04-06 07:08:55,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 07:08:55,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 07:08:59,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 07:08:59,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 07:08:59,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 07:08:59,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 07:08:59,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-04-06 07:08:59,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 07:08:59,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-04-06 07:08:59,232 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-04-06 07:08:59,426 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 [2024-04-06 07:08:59,427 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-04-06 07:08:59,428 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 07:08:59,428 INFO L85 PathProgramCache]: Analyzing trace with hash 235868663, now seen corresponding path program 2 times [2024-04-06 07:08:59,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 07:08:59,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741034612] [2024-04-06 07:08:59,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 07:08:59,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 07:08:59,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 07:09:01,964 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 44 proven. 154 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-04-06 07:09:01,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 07:09:01,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1741034612] [2024-04-06 07:09:01,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1741034612] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 07:09:01,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1161572868] [2024-04-06 07:09:01,965 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-06 07:09:01,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 07:09:01,966 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 07:09:01,967 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) [2024-04-06 07:09:01,991 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-04-06 07:09:02,163 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-06 07:09:02,164 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 07:09:02,167 INFO L262 TraceCheckSpWp]: Trace formula consists of 552 conjuncts, 71 conjunts are in the unsatisfiable core [2024-04-06 07:09:02,174 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 07:09:02,824 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 [2024-04-06 07:09:03,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 07:09:03,483 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 19 [2024-04-06 07:09:04,295 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 34 treesize of output 10 [2024-04-06 07:09:04,460 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 120 proven. 78 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-04-06 07:09:04,461 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 07:09:08,895 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 54 treesize of output 46 [2024-04-06 07:09:10,100 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 142 proven. 56 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-04-06 07:09:10,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1161572868] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 07:09:10,101 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 07:09:10,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 30, 29] total 88 [2024-04-06 07:09:10,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919739951] [2024-04-06 07:09:10,101 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 07:09:10,102 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 88 states [2024-04-06 07:09:10,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 07:09:10,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 88 interpolants. [2024-04-06 07:09:10,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=310, Invalid=7345, Unknown=1, NotChecked=0, Total=7656 [2024-04-06 07:09:10,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 07:09:10,185 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 07:09:10,186 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 88 states, 88 states have (on average 8.454545454545455) internal successors, (744), 88 states have internal predecessors, (744), 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) [2024-04-06 07:09:10,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 07:09:10,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 07:09:10,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 07:09:10,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 07:09:10,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-04-06 07:09:10,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 07:09:10,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-04-06 07:09:10,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 07:09:36,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 07:09:36,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 07:09:36,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 07:09:36,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 07:09:36,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-04-06 07:09:36,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 07:09:36,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-04-06 07:09:36,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2024-04-06 07:09:36,021 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-04-06 07:09:36,216 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 07:09:36,217 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-04-06 07:09:36,217 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 07:09:36,217 INFO L85 PathProgramCache]: Analyzing trace with hash 882066433, now seen corresponding path program 2 times [2024-04-06 07:09:36,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 07:09:36,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591456404] [2024-04-06 07:09:36,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 07:09:36,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 07:09:36,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 07:09:37,514 INFO L134 CoverageAnalysis]: Checked inductivity of 1517 backedges. 223 proven. 898 refuted. 0 times theorem prover too weak. 396 trivial. 0 not checked. [2024-04-06 07:09:37,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 07:09:37,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591456404] [2024-04-06 07:09:37,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [591456404] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 07:09:37,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [174458434] [2024-04-06 07:09:37,514 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-06 07:09:37,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 07:09:37,515 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 07:09:37,516 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) [2024-04-06 07:09:37,518 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-04-06 07:09:37,796 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-06 07:09:37,796 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 07:09:37,820 INFO L262 TraceCheckSpWp]: Trace formula consists of 1111 conjuncts, 12 conjunts are in the unsatisfiable core [2024-04-06 07:09:37,831 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 07:09:38,869 INFO L134 CoverageAnalysis]: Checked inductivity of 1517 backedges. 1400 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2024-04-06 07:09:38,869 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-04-06 07:09:38,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [174458434] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-06 07:09:38,870 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-04-06 07:09:38,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [14] total 25 [2024-04-06 07:09:38,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249317916] [2024-04-06 07:09:38,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 07:09:38,871 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-04-06 07:09:38,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 07:09:38,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-04-06 07:09:38,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=509, Unknown=0, NotChecked=0, Total=600 [2024-04-06 07:09:38,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 07:09:38,919 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 07:09:38,919 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 35.84615384615385) internal successors, (466), 13 states have internal predecessors, (466), 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) [2024-04-06 07:09:38,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 07:09:38,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 07:09:38,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 07:09:38,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 07:09:38,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-04-06 07:09:38,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 07:09:38,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-04-06 07:09:38,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 141 states. [2024-04-06 07:09:38,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 07:09:46,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 07:09:46,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 07:09:46,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 07:09:46,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 07:09:46,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-04-06 07:09:46,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 07:09:46,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-04-06 07:09:46,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 152 states. [2024-04-06 07:09:46,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-06 07:09:46,906 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-04-06 07:09:47,099 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 07:09:47,099 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-04-06 07:09:47,100 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 07:09:47,100 INFO L85 PathProgramCache]: Analyzing trace with hash 744792356, now seen corresponding path program 1 times [2024-04-06 07:09:47,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 07:09:47,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57431364] [2024-04-06 07:09:47,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 07:09:47,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 07:09:47,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 07:09:52,273 INFO L134 CoverageAnalysis]: Checked inductivity of 721 backedges. 80 proven. 547 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2024-04-06 07:09:52,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 07:09:52,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57431364] [2024-04-06 07:09:52,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [57431364] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 07:09:52,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [740606424] [2024-04-06 07:09:52,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 07:09:52,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 07:09:52,277 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 07:09:52,278 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) [2024-04-06 07:09:52,280 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-04-06 07:09:52,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 07:09:52,521 INFO L262 TraceCheckSpWp]: Trace formula consists of 845 conjuncts, 136 conjunts are in the unsatisfiable core [2024-04-06 07:09:52,539 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 07:09:56,040 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 15 treesize of output 1 [2024-04-06 07:09:57,352 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 14 [2024-04-06 07:09:58,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 07:09:58,642 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 14 [2024-04-06 07:10:01,112 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 22 treesize of output 10 [2024-04-06 07:10:01,433 INFO L134 CoverageAnalysis]: Checked inductivity of 721 backedges. 88 proven. 566 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-04-06 07:10:01,433 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 07:10:06,368 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 54 treesize of output 46 [2024-04-06 07:10:07,786 INFO L134 CoverageAnalysis]: Checked inductivity of 721 backedges. 435 proven. 192 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2024-04-06 07:10:07,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [740606424] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 07:10:07,786 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 07:10:07,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 49, 36] total 120 [2024-04-06 07:10:07,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993239359] [2024-04-06 07:10:07,787 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 07:10:07,788 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 120 states [2024-04-06 07:10:07,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 07:10:15,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 120 interpolants. [2024-04-06 07:10:15,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=522, Invalid=13758, Unknown=0, NotChecked=0, Total=14280 [2024-04-06 07:10:15,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 07:10:15,057 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 07:10:15,058 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 120 states, 120 states have (on average 8.466666666666667) internal successors, (1016), 120 states have internal predecessors, (1016), 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) [2024-04-06 07:10:15,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 07:10:15,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 07:10:15,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 07:10:15,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 07:10:15,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-04-06 07:10:15,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 07:10:15,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-04-06 07:10:15,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 152 states. [2024-04-06 07:10:15,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-06 07:10:15,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 07:11:10,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 07:11:10,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 07:11:10,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 07:11:10,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 07:11:10,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-04-06 07:11:10,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 07:11:10,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2024-04-06 07:11:10,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 199 states. [2024-04-06 07:11:10,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-06 07:11:10,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 222 states. [2024-04-06 07:11:10,251 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-04-06 07:11:10,444 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,SelfDestructingSolverStorable9 [2024-04-06 07:11:10,444 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-04-06 07:11:10,445 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 07:11:10,445 INFO L85 PathProgramCache]: Analyzing trace with hash -1669792088, now seen corresponding path program 2 times [2024-04-06 07:11:10,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 07:11:10,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481330964] [2024-04-06 07:11:10,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 07:11:10,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 07:11:10,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 07:11:18,382 INFO L134 CoverageAnalysis]: Checked inductivity of 721 backedges. 13 proven. 678 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-04-06 07:11:18,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 07:11:18,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [481330964] [2024-04-06 07:11:18,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [481330964] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 07:11:18,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [237226368] [2024-04-06 07:11:18,383 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-06 07:11:18,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 07:11:18,383 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 07:11:18,384 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) [2024-04-06 07:11:18,386 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-04-06 07:11:18,635 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-06 07:11:18,635 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 07:11:18,639 INFO L262 TraceCheckSpWp]: Trace formula consists of 845 conjuncts, 149 conjunts are in the unsatisfiable core [2024-04-06 07:11:18,645 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 07:11:20,999 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 15 treesize of output 1 [2024-04-06 07:11:22,243 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 14 [2024-04-06 07:11:23,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 07:11:23,335 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 14 [2024-04-06 07:11:24,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 07:11:24,408 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 14 [2024-04-06 07:11:27,590 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 22 treesize of output 10 [2024-04-06 07:11:27,964 INFO L134 CoverageAnalysis]: Checked inductivity of 721 backedges. 40 proven. 668 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-04-06 07:11:27,964 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 07:11:41,796 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 54 treesize of output 46 [2024-04-06 07:11:43,334 INFO L134 CoverageAnalysis]: Checked inductivity of 721 backedges. 312 proven. 402 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-04-06 07:11:43,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [237226368] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 07:11:43,334 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 07:11:43,334 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [53, 54, 47] total 148 [2024-04-06 07:11:43,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012467368] [2024-04-06 07:11:43,335 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 07:11:43,336 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 148 states [2024-04-06 07:11:43,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 07:11:43,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 148 interpolants. [2024-04-06 07:11:43,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=678, Invalid=21076, Unknown=2, NotChecked=0, Total=21756 [2024-04-06 07:11:43,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 07:11:43,395 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 07:11:43,396 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 148 states, 148 states have (on average 8.074324324324325) internal successors, (1195), 148 states have internal predecessors, (1195), 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) [2024-04-06 07:11:43,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 07:11:43,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 07:11:43,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 07:11:43,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 07:11:43,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-04-06 07:11:43,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 07:11:43,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2024-04-06 07:11:43,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 199 states. [2024-04-06 07:11:43,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-06 07:11:43,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 222 states. [2024-04-06 07:11:43,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 07:13:41,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 07:13:41,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 07:13:41,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 07:13:41,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 07:13:41,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-04-06 07:13:41,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 07:13:41,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2024-04-06 07:13:41,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 251 states. [2024-04-06 07:13:41,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-06 07:13:41,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 337 states. [2024-04-06 07:13:41,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 333 states. [2024-04-06 07:13:41,610 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-04-06 07:13:41,802 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 07:13:41,802 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-04-06 07:13:41,803 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 07:13:41,803 INFO L85 PathProgramCache]: Analyzing trace with hash -725211826, now seen corresponding path program 3 times [2024-04-06 07:13:41,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 07:13:41,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10622878] [2024-04-06 07:13:41,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 07:13:41,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 07:13:41,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 07:13:47,632 INFO L134 CoverageAnalysis]: Checked inductivity of 721 backedges. 0 proven. 715 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-04-06 07:13:47,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 07:13:47,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10622878] [2024-04-06 07:13:47,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [10622878] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 07:13:47,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1220538856] [2024-04-06 07:13:47,633 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-06 07:13:47,633 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 07:13:47,633 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 07:13:47,634 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) [2024-04-06 07:13:47,636 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-04-06 07:13:47,982 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-04-06 07:13:47,982 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 07:13:47,986 INFO L262 TraceCheckSpWp]: Trace formula consists of 845 conjuncts, 142 conjunts are in the unsatisfiable core [2024-04-06 07:13:48,002 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 07:13:49,276 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 15 treesize of output 1 [2024-04-06 07:13:50,600 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 14 [2024-04-06 07:13:51,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 07:13:51,666 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 14 [2024-04-06 07:13:52,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 07:13:52,807 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 14 [2024-04-06 07:13:54,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 07:13:54,008 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 14 [2024-04-06 07:13:57,075 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 22 treesize of output 10 [2024-04-06 07:13:57,392 INFO L134 CoverageAnalysis]: Checked inductivity of 721 backedges. 0 proven. 715 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-04-06 07:13:57,392 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 07:14:07,595 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 54 treesize of output 46 [2024-04-06 07:14:08,943 INFO L134 CoverageAnalysis]: Checked inductivity of 721 backedges. 29 proven. 686 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-04-06 07:14:08,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1220538856] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 07:14:08,943 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 07:14:08,943 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [52, 54, 53] total 153 [2024-04-06 07:14:08,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173754065] [2024-04-06 07:14:08,943 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 07:14:08,944 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 153 states [2024-04-06 07:14:08,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 07:14:08,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 153 interpolants. [2024-04-06 07:14:08,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1673, Invalid=21583, Unknown=0, NotChecked=0, Total=23256 [2024-04-06 07:14:08,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 07:14:08,979 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 07:14:08,980 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 153 states, 153 states have (on average 8.0) internal successors, (1224), 153 states have internal predecessors, (1224), 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) [2024-04-06 07:14:08,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 07:14:08,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 07:14:08,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 07:14:08,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 07:14:08,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-04-06 07:14:08,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 07:14:08,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2024-04-06 07:14:08,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 251 states. [2024-04-06 07:14:08,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-06 07:14:08,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 337 states. [2024-04-06 07:14:08,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 333 states. [2024-04-06 07:14:08,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 07:15:59,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 07:15:59,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 07:15:59,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 07:15:59,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 07:15:59,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-04-06 07:15:59,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 07:15:59,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2024-04-06 07:15:59,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 259 states. [2024-04-06 07:15:59,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-06 07:15:59,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 348 states. [2024-04-06 07:15:59,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 344 states. [2024-04-06 07:15:59,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 299 states. [2024-04-06 07:15:59,400 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-04-06 07:15:59,592 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,SelfDestructingSolverStorable11 [2024-04-06 07:15:59,592 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-04-06 07:15:59,593 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 07:15:59,593 INFO L85 PathProgramCache]: Analyzing trace with hash 1213601159, now seen corresponding path program 2 times [2024-04-06 07:15:59,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 07:15:59,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95634374] [2024-04-06 07:15:59,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 07:15:59,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 07:15:59,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 07:16:00,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 07:16:00,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 07:16:00,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95634374] [2024-04-06 07:16:00,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [95634374] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-06 07:16:00,863 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-06 07:16:00,863 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2024-04-06 07:16:00,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123941800] [2024-04-06 07:16:00,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 07:16:00,864 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-04-06 07:16:00,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 07:16:00,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-04-06 07:16:00,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=680, Unknown=0, NotChecked=0, Total=756 [2024-04-06 07:16:00,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 07:16:00,870 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 07:16:00,870 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 4.178571428571429) internal successors, (117), 28 states have internal predecessors, (117), 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) [2024-04-06 07:16:00,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 07:16:00,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 07:16:00,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 07:16:00,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 07:16:00,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-04-06 07:16:00,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 07:16:00,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2024-04-06 07:16:00,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 259 states. [2024-04-06 07:16:00,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-06 07:16:00,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 348 states. [2024-04-06 07:16:00,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 344 states. [2024-04-06 07:16:00,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 299 states. [2024-04-06 07:16:00,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 07:16:18,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 07:16:18,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 07:16:18,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 07:16:18,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 07:16:18,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-04-06 07:16:18,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 07:16:18,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2024-04-06 07:16:18,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 261 states. [2024-04-06 07:16:18,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-06 07:16:18,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 350 states. [2024-04-06 07:16:18,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 350 states. [2024-04-06 07:16:18,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 309 states. [2024-04-06 07:16:18,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-04-06 07:16:18,092 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-04-06 07:16:18,092 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-04-06 07:16:18,092 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 07:16:18,092 INFO L85 PathProgramCache]: Analyzing trace with hash 1283371554, now seen corresponding path program 3 times [2024-04-06 07:16:18,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 07:16:18,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199569604] [2024-04-06 07:16:18,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 07:16:18,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 07:16:18,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 07:16:19,972 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 07:16:19,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 07:16:19,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1199569604] [2024-04-06 07:16:19,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1199569604] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 07:16:19,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [385894342] [2024-04-06 07:16:19,973 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-06 07:16:19,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 07:16:19,974 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 07:16:19,979 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 07:16:19,980 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-04-06 07:16:20,113 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-04-06 07:16:20,113 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 07:16:20,115 INFO L262 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 61 conjunts are in the unsatisfiable core [2024-04-06 07:16:20,119 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 07:16:20,279 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2024-04-06 07:16:20,280 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 16 [2024-04-06 07:16:20,308 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-04-06 07:16:20,308 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 11 treesize of output 11 [2024-04-06 07:16:21,394 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 [2024-04-06 07:16:21,500 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 24 [2024-04-06 07:16:22,897 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 34 treesize of output 10 [2024-04-06 07:16:23,264 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 16 proven. 18 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-04-06 07:16:23,264 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 07:16:24,843 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_844 (Array Int Int))) (not (= 4294967294 (mod (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#id2~0#1.base| v_ArrVal_844) |c_~#arr~0.base|) (+ |c_~#arr~0.offset| (* c_~top~0 4))) 4294967296)))) is different from false [2024-04-06 07:16:24,854 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 07:16:24,855 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 29 treesize of output 30 [2024-04-06 07:16:24,873 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 07:16:24,874 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 49 treesize of output 52 [2024-04-06 07:16:24,880 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2024-04-06 07:16:26,955 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 13 proven. 21 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-04-06 07:16:26,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [385894342] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 07:16:26,955 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 07:16:26,955 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 26, 26] total 77 [2024-04-06 07:16:26,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286004426] [2024-04-06 07:16:26,956 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 07:16:26,956 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 77 states [2024-04-06 07:16:26,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 07:16:26,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 77 interpolants. [2024-04-06 07:16:26,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=277, Invalid=5426, Unknown=1, NotChecked=148, Total=5852 [2024-04-06 07:16:26,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 07:16:26,972 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 07:16:26,973 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 77 states, 77 states have (on average 5.779220779220779) internal successors, (445), 77 states have internal predecessors, (445), 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) [2024-04-06 07:16:26,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 07:16:26,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 07:16:26,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 07:16:26,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 07:16:26,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-04-06 07:16:26,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 07:16:26,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2024-04-06 07:16:26,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 261 states. [2024-04-06 07:16:26,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-06 07:16:26,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 350 states. [2024-04-06 07:16:26,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 350 states. [2024-04-06 07:16:26,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 309 states. [2024-04-06 07:16:26,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-04-06 07:16:26,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 07:17:04,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 07:17:04,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 07:17:04,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 07:17:04,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 07:17:04,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-04-06 07:17:04,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 07:17:04,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2024-04-06 07:17:04,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 261 states. [2024-04-06 07:17:04,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-06 07:17:04,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 350 states. [2024-04-06 07:17:04,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 350 states. [2024-04-06 07:17:04,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 309 states. [2024-04-06 07:17:04,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-04-06 07:17:04,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 158 states. [2024-04-06 07:17:04,440 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 6 remaining) [2024-04-06 07:17:04,440 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 6 remaining) [2024-04-06 07:17:04,440 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err0ASSERT_VIOLATIONERROR_FUNCTION (3 of 6 remaining) [2024-04-06 07:17:04,440 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err0ASSERT_VIOLATIONERROR_FUNCTION (2 of 6 remaining) [2024-04-06 07:17:04,440 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err0ASSERT_VIOLATIONERROR_FUNCTION (1 of 6 remaining) [2024-04-06 07:17:04,441 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 6 remaining) [2024-04-06 07:17:04,451 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-04-06 07:17:04,651 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 07:17:04,655 INFO L445 BasicCegarLoop]: Path program histogram: [3, 3, 2, 2, 1, 1, 1, 1] [2024-04-06 07:17:04,659 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-04-06 07:17:04,659 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-04-06 07:17:04,661 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.04 07:17:04 BasicIcfg [2024-04-06 07:17:04,662 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-04-06 07:17:04,662 INFO L158 Benchmark]: Toolchain (without parser) took 502242.00ms. Allocated memory was 272.6MB in the beginning and 3.9GB in the end (delta: 3.6GB). Free memory was 202.2MB in the beginning and 2.8GB in the end (delta: -2.6GB). Peak memory consumption was 1.2GB. Max. memory is 8.0GB. [2024-04-06 07:17:04,662 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 272.6MB. Free memory is still 237.9MB. There was no memory consumed. Max. memory is 8.0GB. [2024-04-06 07:17:04,662 INFO L158 Benchmark]: CACSL2BoogieTranslator took 652.74ms. Allocated memory is still 272.6MB. Free memory was 202.0MB in the beginning and 235.8MB in the end (delta: -33.8MB). Peak memory consumption was 35.3MB. Max. memory is 8.0GB. [2024-04-06 07:17:04,662 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.26ms. Allocated memory is still 272.6MB. Free memory was 235.8MB in the beginning and 233.2MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2024-04-06 07:17:04,666 INFO L158 Benchmark]: Boogie Preprocessor took 30.55ms. Allocated memory is still 272.6MB. Free memory was 233.2MB in the beginning and 231.6MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-04-06 07:17:04,666 INFO L158 Benchmark]: RCFGBuilder took 443.24ms. Allocated memory is still 272.6MB. Free memory was 231.6MB in the beginning and 211.7MB in the end (delta: 19.9MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. [2024-04-06 07:17:04,667 INFO L158 Benchmark]: TraceAbstraction took 501029.79ms. Allocated memory was 272.6MB in the beginning and 3.9GB in the end (delta: 3.6GB). Free memory was 210.6MB in the beginning and 2.8GB in the end (delta: -2.6GB). Peak memory consumption was 1.2GB. Max. memory is 8.0GB. [2024-04-06 07:17:04,668 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 272.6MB. Free memory is still 237.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 652.74ms. Allocated memory is still 272.6MB. Free memory was 202.0MB in the beginning and 235.8MB in the end (delta: -33.8MB). Peak memory consumption was 35.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 72.26ms. Allocated memory is still 272.6MB. Free memory was 235.8MB in the beginning and 233.2MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 30.55ms. Allocated memory is still 272.6MB. Free memory was 233.2MB in the beginning and 231.6MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 443.24ms. Allocated memory is still 272.6MB. Free memory was 231.6MB in the beginning and 211.7MB in the end (delta: 19.9MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. * TraceAbstraction took 501029.79ms. Allocated memory was 272.6MB in the beginning and 3.9GB in the end (delta: 3.6GB). Free memory was 210.6MB in the beginning and 2.8GB in the end (delta: -2.6GB). Peak memory consumption was 1.2GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2049479, independent: 1853941, independent conditional: 1852765, independent unconditional: 1176, dependent: 195538, dependent conditional: 194949, dependent unconditional: 589, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1856853, independent: 1853941, independent conditional: 1852765, independent unconditional: 1176, dependent: 2912, dependent conditional: 2912, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1856853, independent: 1853941, independent conditional: 1852765, independent unconditional: 1176, dependent: 2912, dependent conditional: 2912, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1856853, independent: 1853941, independent conditional: 1852765, independent unconditional: 1176, dependent: 2912, dependent conditional: 2912, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1882981, independent: 1853941, independent conditional: 75853, independent unconditional: 1778088, dependent: 29040, dependent conditional: 23158, dependent unconditional: 5882, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1882981, independent: 1853941, independent conditional: 48166, independent unconditional: 1805775, dependent: 29040, dependent conditional: 11652, dependent unconditional: 17388, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1882981, independent: 1853941, independent conditional: 48166, independent unconditional: 1805775, dependent: 29040, dependent conditional: 11652, dependent unconditional: 17388, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2682, independent: 2589, independent conditional: 41, independent unconditional: 2548, dependent: 93, dependent conditional: 89, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2682, independent: 2579, independent conditional: 0, independent unconditional: 2579, dependent: 103, dependent conditional: 0, dependent unconditional: 103, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 103, independent: 10, independent conditional: 8, independent unconditional: 2, dependent: 93, dependent conditional: 89, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 103, independent: 10, independent conditional: 8, independent unconditional: 2, dependent: 93, dependent conditional: 89, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 295, independent: 49, independent conditional: 17, independent unconditional: 32, dependent: 246, dependent conditional: 237, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1882981, independent: 1851352, independent conditional: 48125, independent unconditional: 1803227, dependent: 28947, dependent conditional: 11563, dependent unconditional: 17384, unknown: 2682, unknown conditional: 130, unknown unconditional: 2552] , Statistics on independence cache: Total cache size (in pairs): 2682, Positive cache size: 2589, Positive conditional cache size: 41, Positive unconditional cache size: 2548, Negative cache size: 93, Negative conditional cache size: 89, Negative unconditional cache size: 4, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 39193, Maximal queried relation: 11, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1882981, independent: 1853941, independent conditional: 75853, independent unconditional: 1778088, dependent: 29040, dependent conditional: 23158, dependent unconditional: 5882, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1882981, independent: 1853941, independent conditional: 48166, independent unconditional: 1805775, dependent: 29040, dependent conditional: 11652, dependent unconditional: 17388, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1882981, independent: 1853941, independent conditional: 48166, independent unconditional: 1805775, dependent: 29040, dependent conditional: 11652, dependent unconditional: 17388, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2682, independent: 2589, independent conditional: 41, independent unconditional: 2548, dependent: 93, dependent conditional: 89, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2682, independent: 2579, independent conditional: 0, independent unconditional: 2579, dependent: 103, dependent conditional: 0, dependent unconditional: 103, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 103, independent: 10, independent conditional: 8, independent unconditional: 2, dependent: 93, dependent conditional: 89, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 103, independent: 10, independent conditional: 8, independent unconditional: 2, dependent: 93, dependent conditional: 89, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 295, independent: 49, independent conditional: 17, independent unconditional: 32, dependent: 246, dependent conditional: 237, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1882981, independent: 1851352, independent conditional: 48125, independent unconditional: 1803227, dependent: 28947, dependent conditional: 11563, dependent unconditional: 17384, unknown: 2682, unknown conditional: 130, unknown unconditional: 2552] , Statistics on independence cache: Total cache size (in pairs): 2682, Positive cache size: 2589, Positive conditional cache size: 41, Positive unconditional cache size: 2548, Negative cache size: 93, Negative conditional cache size: 89, Negative unconditional cache size: 4, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 39193 ], Independence queries for same thread: 192626 - PositiveResult [Line: 941]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 941]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 260 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 500.8s, OverallIterations: 14, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 378.4s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 1607, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 110.6s InterpolantComputationTime, 5743 NumberOfCodeBlocks, 5702 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 7624 ConstructedInterpolants, 101 QuantifiedInterpolants, 93467 SizeOfPredicates, 358 NumberOfNonLiveVariables, 4954 ConjunctsInSsa, 655 ConjunctsInUnsatCore, 27 InterpolantComputations, 9 PerfectInterpolantSequences, 4260/10899 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-04-06 07:17:04,686 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-04-06 07:17:04,944 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...