/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking DFS --traceabstraction.criterion.for.conditional.commutativity.checking SLEEP_SET -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/chl-name-comparator-trans.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-3774817-m [2024-04-04 06:03:07,099 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-04 06:03:07,170 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-04 06:03:07,175 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-04 06:03:07,175 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-04 06:03:07,201 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-04 06:03:07,201 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-04 06:03:07,201 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-04 06:03:07,202 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-04 06:03:07,202 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-04 06:03:07,202 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-04 06:03:07,203 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-04 06:03:07,203 INFO L153 SettingsManager]: * Use SBE=true [2024-04-04 06:03:07,203 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-04 06:03:07,203 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-04 06:03:07,204 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-04 06:03:07,204 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-04 06:03:07,204 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-04 06:03:07,204 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-04 06:03:07,204 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-04 06:03:07,205 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-04 06:03:07,216 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-04 06:03:07,217 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-04 06:03:07,217 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-04 06:03:07,217 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-04 06:03:07,217 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-04 06:03:07,217 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-04 06:03:07,217 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-04 06:03:07,218 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-04 06:03:07,218 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-04 06:03:07,218 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-04 06:03:07,218 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-04 06:03:07,218 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-04 06:03:07,218 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-04 06:03:07,219 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-04 06:03:07,219 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-04 06:03:07,219 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-04 06:03:07,219 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-04 06:03:07,219 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-04 06:03:07,219 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> SLEEP_SET [2024-04-04 06:03:07,447 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-04 06:03:07,465 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-04 06:03:07,467 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-04 06:03:07,469 INFO L270 PluginConnector]: Initializing CDTParser... [2024-04-04 06:03:07,469 INFO L274 PluginConnector]: CDTParser initialized [2024-04-04 06:03:07,470 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/chl-name-comparator-trans.wvr.c [2024-04-04 06:03:08,531 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-04-04 06:03:08,659 INFO L384 CDTParser]: Found 1 translation units. [2024-04-04 06:03:08,659 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-name-comparator-trans.wvr.c [2024-04-04 06:03:08,666 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/eea495197/621e492c7cda42df898cda4d283eaa6b/FLAG0456857b2 [2024-04-04 06:03:09,085 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/eea495197/621e492c7cda42df898cda4d283eaa6b [2024-04-04 06:03:09,088 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-04 06:03:09,089 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-04-04 06:03:09,091 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-04-04 06:03:09,092 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-04-04 06:03:09,096 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-04-04 06:03:09,096 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.04 06:03:09" (1/1) ... [2024-04-04 06:03:09,097 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cbca2be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 06:03:09, skipping insertion in model container [2024-04-04 06:03:09,097 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.04 06:03:09" (1/1) ... [2024-04-04 06:03:09,156 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-04-04 06:03:09,429 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-name-comparator-trans.wvr.c[4788,4801] [2024-04-04 06:03:09,456 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-04 06:03:09,481 INFO L202 MainTranslator]: Completed pre-run [2024-04-04 06:03:09,522 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-name-comparator-trans.wvr.c[4788,4801] [2024-04-04 06:03:09,534 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-04 06:03:09,552 INFO L206 MainTranslator]: Completed translation [2024-04-04 06:03:09,556 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 06:03:09 WrapperNode [2024-04-04 06:03:09,562 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-04-04 06:03:09,565 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-04 06:03:09,565 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-04 06:03:09,566 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-04 06:03:09,574 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 06:03:09" (1/1) ... [2024-04-04 06:03:09,596 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 06:03:09" (1/1) ... [2024-04-04 06:03:09,668 INFO L138 Inliner]: procedures = 26, calls = 44, calls flagged for inlining = 17, calls inlined = 21, statements flattened = 316 [2024-04-04 06:03:09,669 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-04 06:03:09,669 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-04 06:03:09,669 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-04 06:03:09,669 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-04 06:03:09,697 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 06:03:09" (1/1) ... [2024-04-04 06:03:09,698 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 06:03:09" (1/1) ... [2024-04-04 06:03:09,710 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 06:03:09" (1/1) ... [2024-04-04 06:03:09,710 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 06:03:09" (1/1) ... [2024-04-04 06:03:09,716 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 06:03:09" (1/1) ... [2024-04-04 06:03:09,719 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 06:03:09" (1/1) ... [2024-04-04 06:03:09,745 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 06:03:09" (1/1) ... [2024-04-04 06:03:09,746 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 06:03:09" (1/1) ... [2024-04-04 06:03:09,749 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-04 06:03:09,749 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-04 06:03:09,749 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-04 06:03:09,749 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-04 06:03:09,750 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 06:03:09" (1/1) ... [2024-04-04 06:03:09,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-04 06:03:09,775 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 06:03:09,790 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) [2024-04-04 06:03:09,793 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 [2024-04-04 06:03:09,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-04-04 06:03:09,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-04-04 06:03:09,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-04-04 06:03:09,835 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-04-04 06:03:09,835 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-04-04 06:03:09,835 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-04-04 06:03:09,835 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-04-04 06:03:09,835 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-04-04 06:03:09,835 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-04-04 06:03:09,835 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-04-04 06:03:09,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-04-04 06:03:09,836 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-04-04 06:03:09,836 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-04 06:03:09,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-04 06:03:09,836 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-04-04 06:03:09,837 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-04-04 06:03:09,961 INFO L241 CfgBuilder]: Building ICFG [2024-04-04 06:03:09,963 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-04 06:03:10,328 INFO L282 CfgBuilder]: Performing block encoding [2024-04-04 06:03:10,344 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-04 06:03:10,344 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2024-04-04 06:03:10,345 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.04 06:03:10 BoogieIcfgContainer [2024-04-04 06:03:10,345 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-04 06:03:10,347 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-04 06:03:10,348 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-04 06:03:10,350 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-04 06:03:10,350 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.04 06:03:09" (1/3) ... [2024-04-04 06:03:10,351 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@273044d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.04 06:03:10, skipping insertion in model container [2024-04-04 06:03:10,351 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 06:03:09" (2/3) ... [2024-04-04 06:03:10,351 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@273044d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.04 06:03:10, skipping insertion in model container [2024-04-04 06:03:10,351 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.04 06:03:10" (3/3) ... [2024-04-04 06:03:10,352 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-name-comparator-trans.wvr.c [2024-04-04 06:03:10,359 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-04 06:03:10,374 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-04 06:03:10,376 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-04-04 06:03:10,377 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-04 06:03:10,487 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-04-04 06:03:10,525 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-04 06:03:10,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-04 06:03:10,526 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 06:03:10,528 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) [2024-04-04 06:03:10,538 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 [2024-04-04 06:03:10,556 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-04 06:03:10,566 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 06:03:10,568 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-04 06:03:10,573 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;@527dbefb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=SLEEP_SET, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123 [2024-04-04 06:03:10,573 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-04-04 06:03:10,728 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-04 06:03:10,730 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 06:03:10,730 INFO L85 PathProgramCache]: Analyzing trace with hash -1414988829, now seen corresponding path program 1 times [2024-04-04 06:03:10,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 06:03:10,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842805477] [2024-04-04 06:03:10,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 06:03:10,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 06:03:10,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 06:03:11,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 06:03:11,180 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 06:03:11,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842805477] [2024-04-04 06:03:11,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1842805477] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 06:03:11,181 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 06:03:11,181 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-04-04 06:03:11,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166985024] [2024-04-04 06:03:11,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 06:03:11,190 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-04-04 06:03:11,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 06:03:11,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-04-04 06:03:11,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-04-04 06:03:11,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:03:11,217 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 06:03:11,218 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 143.5) internal successors, (287), 2 states have internal predecessors, (287), 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) [2024-04-04 06:03:11,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:03:12,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:03:12,877 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-04-04 06:03:12,877 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-04 06:03:12,877 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 06:03:12,878 INFO L85 PathProgramCache]: Analyzing trace with hash -2084341155, now seen corresponding path program 1 times [2024-04-04 06:03:12,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 06:03:12,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492807973] [2024-04-04 06:03:12,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 06:03:12,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 06:03:12,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 06:03:13,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 06:03:13,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 06:03:13,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492807973] [2024-04-04 06:03:13,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [492807973] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 06:03:13,178 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 06:03:13,178 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-04-04 06:03:13,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550015499] [2024-04-04 06:03:13,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 06:03:13,181 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-04-04 06:03:13,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 06:03:13,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-04-04 06:03:13,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-04-04 06:03:13,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:03:13,185 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 06:03:13,185 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 55.0) internal successors, (275), 5 states have internal predecessors, (275), 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) [2024-04-04 06:03:13,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:03:13,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:03:14,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:03:14,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-04 06:03:14,245 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-04-04 06:03:14,245 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-04 06:03:14,247 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 06:03:14,247 INFO L85 PathProgramCache]: Analyzing trace with hash 1620460059, now seen corresponding path program 1 times [2024-04-04 06:03:14,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 06:03:14,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643893490] [2024-04-04 06:03:14,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 06:03:14,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 06:03:14,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 06:03:14,548 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 06:03:14,548 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 06:03:14,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [643893490] [2024-04-04 06:03:14,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [643893490] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 06:03:14,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2074136513] [2024-04-04 06:03:14,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 06:03:14,549 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 06:03:14,550 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 06:03:14,574 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) [2024-04-04 06:03:14,597 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-04-04 06:03:14,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 06:03:14,760 INFO L262 TraceCheckSpWp]: Trace formula consists of 536 conjuncts, 6 conjunts are in the unsatisfiable core [2024-04-04 06:03:14,777 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 06:03:14,911 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 06:03:14,911 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 06:03:14,987 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 06:03:14,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2074136513] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 06:03:14,988 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 06:03:14,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 14 [2024-04-04 06:03:14,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87694346] [2024-04-04 06:03:14,989 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 06:03:14,992 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-04-04 06:03:14,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 06:03:14,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-04-04 06:03:14,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2024-04-04 06:03:14,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:03:14,993 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 06:03:14,994 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 23.0) internal successors, (322), 14 states have internal predecessors, (322), 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) [2024-04-04 06:03:14,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:03:14,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-04 06:03:14,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:03:15,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:03:15,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-04 06:03:15,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 06:03:15,891 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-04-04 06:03:16,091 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,SelfDestructingSolverStorable2 [2024-04-04 06:03:16,091 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-04 06:03:16,092 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 06:03:16,092 INFO L85 PathProgramCache]: Analyzing trace with hash 1794373527, now seen corresponding path program 2 times [2024-04-04 06:03:16,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 06:03:16,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106000937] [2024-04-04 06:03:16,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 06:03:16,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 06:03:16,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 06:03:16,321 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-04-04 06:03:16,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 06:03:16,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1106000937] [2024-04-04 06:03:16,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1106000937] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 06:03:16,321 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 06:03:16,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-04 06:03:16,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303426658] [2024-04-04 06:03:16,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 06:03:16,322 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-04 06:03:16,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 06:03:16,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-04 06:03:16,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-04-04 06:03:16,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:03:16,323 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 06:03:16,323 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 40.42857142857143) internal successors, (283), 7 states have internal predecessors, (283), 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) [2024-04-04 06:03:16,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:03:16,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-04 06:03:16,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-04 06:03:16,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:03:16,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:03:16,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-04 06:03:16,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 06:03:16,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-04 06:03:16,727 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-04-04 06:03:16,727 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-04 06:03:16,727 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 06:03:16,728 INFO L85 PathProgramCache]: Analyzing trace with hash 1712933570, now seen corresponding path program 1 times [2024-04-04 06:03:16,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 06:03:16,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107120192] [2024-04-04 06:03:16,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 06:03:16,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 06:03:16,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 06:03:16,985 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-04-04 06:03:16,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 06:03:16,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107120192] [2024-04-04 06:03:16,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2107120192] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 06:03:16,985 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 06:03:16,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-04 06:03:16,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400827827] [2024-04-04 06:03:16,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 06:03:16,986 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-04 06:03:16,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 06:03:16,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-04 06:03:16,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-04-04 06:03:16,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:03:16,988 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 06:03:16,988 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 37.285714285714285) internal successors, (261), 7 states have internal predecessors, (261), 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) [2024-04-04 06:03:16,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:03:16,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-04 06:03:16,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-04 06:03:16,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-04 06:03:16,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:03:17,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:03:17,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-04 06:03:17,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 06:03:17,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-04 06:03:17,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 06:03:17,525 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-04-04 06:03:17,525 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-04 06:03:17,526 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 06:03:17,526 INFO L85 PathProgramCache]: Analyzing trace with hash -1491831977, now seen corresponding path program 1 times [2024-04-04 06:03:17,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 06:03:17,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376179305] [2024-04-04 06:03:17,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 06:03:17,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 06:03:17,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 06:03:17,901 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-04-04 06:03:17,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 06:03:17,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376179305] [2024-04-04 06:03:17,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1376179305] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 06:03:17,905 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 06:03:17,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-04-04 06:03:17,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515214847] [2024-04-04 06:03:17,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 06:03:17,905 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-04-04 06:03:17,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 06:03:17,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-04-04 06:03:17,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-04-04 06:03:17,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:03:17,906 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 06:03:17,906 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 26.555555555555557) internal successors, (239), 9 states have internal predecessors, (239), 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) [2024-04-04 06:03:17,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:03:17,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-04 06:03:17,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-04 06:03:17,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-04 06:03:17,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 06:03:17,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:03:18,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:03:18,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-04 06:03:18,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 06:03:18,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-04 06:03:18,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 06:03:18,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 06:03:18,596 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-04-04 06:03:18,597 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-04 06:03:18,597 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 06:03:18,597 INFO L85 PathProgramCache]: Analyzing trace with hash -48342654, now seen corresponding path program 1 times [2024-04-04 06:03:18,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 06:03:18,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636311018] [2024-04-04 06:03:18,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 06:03:18,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 06:03:18,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 06:03:18,835 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-04-04 06:03:18,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 06:03:18,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636311018] [2024-04-04 06:03:18,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [636311018] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 06:03:18,835 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 06:03:18,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-04-04 06:03:18,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660508724] [2024-04-04 06:03:18,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 06:03:18,836 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-04-04 06:03:18,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 06:03:18,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-04-04 06:03:18,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-04-04 06:03:18,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:03:18,837 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 06:03:18,837 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 24.11111111111111) internal successors, (217), 9 states have internal predecessors, (217), 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) [2024-04-04 06:03:18,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:03:18,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-04 06:03:18,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-04 06:03:18,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-04 06:03:18,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 06:03:18,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-04 06:03:18,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:03:31,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:03:31,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-04 06:03:31,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 06:03:31,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 06:03:31,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 06:03:31,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-04 06:03:31,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-04 06:03:31,011 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-04-04 06:03:31,011 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-04 06:03:31,013 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 06:03:31,013 INFO L85 PathProgramCache]: Analyzing trace with hash 1331624334, now seen corresponding path program 1 times [2024-04-04 06:03:31,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 06:03:31,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106276815] [2024-04-04 06:03:31,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 06:03:31,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 06:03:31,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 06:03:31,260 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-04-04 06:03:31,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 06:03:31,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106276815] [2024-04-04 06:03:31,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2106276815] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 06:03:31,261 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 06:03:31,261 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-04-04 06:03:31,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882984328] [2024-04-04 06:03:31,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 06:03:31,262 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-04-04 06:03:31,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 06:03:31,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-04-04 06:03:31,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-04-04 06:03:31,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:03:31,263 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 06:03:31,263 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 46.666666666666664) internal successors, (280), 6 states have internal predecessors, (280), 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) [2024-04-04 06:03:31,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:03:31,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-04 06:03:31,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-04 06:03:31,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 06:03:31,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 06:03:31,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-04 06:03:31,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-04 06:03:31,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:03:43,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:03:43,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-04 06:03:43,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 06:03:43,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 06:03:43,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 06:03:43,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-04 06:03:43,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-04 06:03:43,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 06:03:43,965 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-04-04 06:03:43,965 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-04 06:03:43,966 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 06:03:43,966 INFO L85 PathProgramCache]: Analyzing trace with hash -1657831943, now seen corresponding path program 1 times [2024-04-04 06:03:43,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 06:03:43,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202840354] [2024-04-04 06:03:43,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 06:03:43,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 06:03:43,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 06:03:44,755 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-04-04 06:03:44,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 06:03:44,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202840354] [2024-04-04 06:03:44,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [202840354] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 06:03:44,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [556051669] [2024-04-04 06:03:44,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 06:03:44,756 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 06:03:44,756 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 06:03:44,757 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) [2024-04-04 06:03:44,759 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-04-04 06:03:44,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 06:03:44,910 INFO L262 TraceCheckSpWp]: Trace formula consists of 523 conjuncts, 10 conjunts are in the unsatisfiable core [2024-04-04 06:03:44,917 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 06:03:45,069 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-04-04 06:03:45,069 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 06:03:45,219 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-04-04 06:03:45,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [556051669] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 06:03:45,220 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 06:03:45,221 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 8, 8] total 21 [2024-04-04 06:03:45,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803804921] [2024-04-04 06:03:45,221 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 06:03:45,221 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-04-04 06:03:45,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 06:03:45,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-04-04 06:03:45,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=354, Unknown=0, NotChecked=0, Total=420 [2024-04-04 06:03:45,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:03:45,222 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 06:03:45,223 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 20.476190476190474) internal successors, (430), 21 states have internal predecessors, (430), 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) [2024-04-04 06:03:45,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:03:45,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-04 06:03:45,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-04 06:03:45,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 06:03:45,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 06:03:45,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-04 06:03:45,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-04 06:03:45,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 06:03:45,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:04:07,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:04:07,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-04 06:04:07,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 06:04:07,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 06:04:07,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 06:04:07,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-04 06:04:07,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-04 06:04:07,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 06:04:07,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2024-04-04 06:04:07,282 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-04-04 06:04:07,476 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 06:04:07,477 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-04 06:04:07,477 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 06:04:07,477 INFO L85 PathProgramCache]: Analyzing trace with hash -1816543452, now seen corresponding path program 1 times [2024-04-04 06:04:07,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 06:04:07,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690031548] [2024-04-04 06:04:07,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 06:04:07,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 06:04:07,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 06:04:08,046 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-04-04 06:04:08,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 06:04:08,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690031548] [2024-04-04 06:04:08,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [690031548] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 06:04:08,046 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 06:04:08,047 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-04-04 06:04:08,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880881381] [2024-04-04 06:04:08,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 06:04:08,047 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-04-04 06:04:08,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 06:04:08,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-04-04 06:04:08,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2024-04-04 06:04:08,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:04:08,048 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 06:04:08,048 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 21.454545454545453) internal successors, (236), 11 states have internal predecessors, (236), 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) [2024-04-04 06:04:08,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:04:08,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-04 06:04:08,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-04 06:04:08,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 06:04:08,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 06:04:08,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-04 06:04:08,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-04 06:04:08,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 06:04:08,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 161 states. [2024-04-04 06:04:08,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:04:23,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:04:23,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-04 06:04:23,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 06:04:23,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 06:04:23,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 06:04:23,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-04 06:04:23,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-04 06:04:23,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 06:04:23,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2024-04-04 06:04:23,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-04 06:04:23,090 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-04-04 06:04:23,091 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-04 06:04:23,091 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 06:04:23,091 INFO L85 PathProgramCache]: Analyzing trace with hash -1268197879, now seen corresponding path program 1 times [2024-04-04 06:04:23,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 06:04:23,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19070059] [2024-04-04 06:04:23,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 06:04:23,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 06:04:23,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 06:04:23,295 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-04-04 06:04:23,295 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 06:04:23,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [19070059] [2024-04-04 06:04:23,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [19070059] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 06:04:23,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2091465527] [2024-04-04 06:04:23,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 06:04:23,296 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 06:04:23,296 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 06:04:23,297 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) [2024-04-04 06:04:23,299 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-04-04 06:04:23,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 06:04:23,447 INFO L262 TraceCheckSpWp]: Trace formula consists of 552 conjuncts, 13 conjunts are in the unsatisfiable core [2024-04-04 06:04:23,451 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 06:04:23,955 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-04-04 06:04:23,956 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 06:04:24,232 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-04-04 06:04:24,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2091465527] provided 1 perfect and 1 imperfect interpolant sequences [2024-04-04 06:04:24,232 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-04-04 06:04:24,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [8, 9] total 17 [2024-04-04 06:04:24,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946305458] [2024-04-04 06:04:24,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 06:04:24,233 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-04-04 06:04:24,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 06:04:24,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-04-04 06:04:24,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=228, Unknown=0, NotChecked=0, Total=272 [2024-04-04 06:04:24,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:04:24,235 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 06:04:24,235 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 30.666666666666668) internal successors, (276), 9 states have internal predecessors, (276), 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) [2024-04-04 06:04:24,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:04:24,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-04 06:04:24,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-04 06:04:24,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 06:04:24,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 06:04:24,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-04 06:04:24,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-04 06:04:24,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 06:04:24,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 161 states. [2024-04-04 06:04:24,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-04 06:04:24,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:05:01,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:05:01,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-04 06:05:01,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 06:05:01,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 06:05:01,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 06:05:01,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-04 06:05:01,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-04 06:05:01,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 06:05:01,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 199 states. [2024-04-04 06:05:01,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-04 06:05:01,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-04 06:05:01,924 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-04-04 06:05:02,124 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 06:05:02,124 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-04 06:05:02,125 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 06:05:02,125 INFO L85 PathProgramCache]: Analyzing trace with hash 221223078, now seen corresponding path program 1 times [2024-04-04 06:05:02,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 06:05:02,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2052045649] [2024-04-04 06:05:02,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 06:05:02,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 06:05:02,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 06:05:02,316 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-04-04 06:05:02,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 06:05:02,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2052045649] [2024-04-04 06:05:02,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2052045649] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 06:05:02,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2042666690] [2024-04-04 06:05:02,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 06:05:02,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 06:05:02,317 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 06:05:02,318 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) [2024-04-04 06:05:02,334 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-04-04 06:05:02,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 06:05:02,677 INFO L262 TraceCheckSpWp]: Trace formula consists of 552 conjuncts, 10 conjunts are in the unsatisfiable core [2024-04-04 06:05:02,680 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 06:05:02,817 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-04-04 06:05:02,818 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 06:05:02,941 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-04-04 06:05:02,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2042666690] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 06:05:02,941 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 06:05:02,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 15 [2024-04-04 06:05:02,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702899895] [2024-04-04 06:05:02,941 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 06:05:02,956 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-04-04 06:05:02,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 06:05:02,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-04-04 06:05:02,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2024-04-04 06:05:02,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:05:02,957 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 06:05:02,957 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 31.066666666666666) internal successors, (466), 15 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) [2024-04-04 06:05:02,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:05:02,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-04 06:05:02,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-04 06:05:02,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 06:05:02,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 06:05:02,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-04 06:05:02,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-04 06:05:02,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 06:05:02,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 199 states. [2024-04-04 06:05:02,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-04 06:05:02,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-04 06:05:02,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:05:48,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:05:48,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-04 06:05:48,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 06:05:48,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 06:05:48,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 06:05:48,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-04 06:05:48,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-04 06:05:48,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 06:05:48,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 199 states. [2024-04-04 06:05:48,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-04 06:05:48,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-04 06:05:48,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 06:05:48,225 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-04-04 06:05:48,424 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,SelfDestructingSolverStorable11 [2024-04-04 06:05:48,424 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-04 06:05:48,425 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 06:05:48,425 INFO L85 PathProgramCache]: Analyzing trace with hash -589977221, now seen corresponding path program 1 times [2024-04-04 06:05:48,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 06:05:48,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852745370] [2024-04-04 06:05:48,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 06:05:48,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 06:05:48,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 06:05:50,960 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-04-04 06:05:50,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 06:05:50,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852745370] [2024-04-04 06:05:50,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1852745370] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 06:05:50,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2013438579] [2024-04-04 06:05:50,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 06:05:50,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 06:05:50,961 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 06:05:50,962 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) [2024-04-04 06:05:50,963 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-04-04 06:05:51,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 06:05:51,134 INFO L262 TraceCheckSpWp]: Trace formula consists of 517 conjuncts, 59 conjunts are in the unsatisfiable core [2024-04-04 06:05:51,137 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 06:05:51,992 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 36 treesize of output 24 [2024-04-04 06:05:53,301 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-04-04 06:05:53,301 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 06:05:54,408 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 06:05:54,408 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 29 treesize of output 21 [2024-04-04 06:05:54,748 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-04-04 06:05:54,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2013438579] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 06:05:54,748 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 06:05:54,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 29, 30] total 88 [2024-04-04 06:05:54,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643687226] [2024-04-04 06:05:54,750 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 06:05:54,751 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 88 states [2024-04-04 06:05:54,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 06:05:54,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 88 interpolants. [2024-04-04 06:05:54,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=640, Invalid=7016, Unknown=0, NotChecked=0, Total=7656 [2024-04-04 06:05:54,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:05:54,755 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 06:05:54,756 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 88 states, 88 states have (on average 5.943181818181818) internal successors, (523), 88 states have internal predecessors, (523), 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) [2024-04-04 06:05:54,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:05:54,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-04 06:05:54,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-04 06:05:54,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 06:05:54,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 06:05:54,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-04 06:05:54,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-04 06:05:54,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 06:05:54,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 199 states. [2024-04-04 06:05:54,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-04 06:05:54,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-04 06:05:54,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-04 06:05:54,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:07:22,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:07:22,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-04 06:07:22,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 06:07:22,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 06:07:22,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 06:07:22,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-04 06:07:22,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-04 06:07:22,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 06:07:22,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 199 states. [2024-04-04 06:07:22,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-04 06:07:22,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-04 06:07:22,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 06:07:22,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 416 states. [2024-04-04 06:07:22,320 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-04-04 06:07:22,490 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-04-04 06:07:22,491 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-04 06:07:22,492 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 06:07:22,492 INFO L85 PathProgramCache]: Analyzing trace with hash -1421025884, now seen corresponding path program 2 times [2024-04-04 06:07:22,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 06:07:22,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980223648] [2024-04-04 06:07:22,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 06:07:22,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 06:07:22,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 06:07:26,112 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 16 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 06:07:26,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 06:07:26,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1980223648] [2024-04-04 06:07:26,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1980223648] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 06:07:26,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1563198143] [2024-04-04 06:07:26,112 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-04 06:07:26,113 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 06:07:26,113 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 06:07:26,129 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) [2024-04-04 06:07:26,131 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-04-04 06:07:26,293 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-04 06:07:26,293 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 06:07:26,296 INFO L262 TraceCheckSpWp]: Trace formula consists of 546 conjuncts, 64 conjunts are in the unsatisfiable core [2024-04-04 06:07:26,299 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 06:07:29,204 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 114 treesize of output 78 [2024-04-04 06:07:30,417 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 16 proven. 9 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-04-04 06:07:30,417 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 06:07:31,750 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 06:07:31,751 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 43 treesize of output 27 [2024-04-04 06:07:32,809 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 16 proven. 9 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-04-04 06:07:32,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1563198143] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 06:07:32,809 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 06:07:32,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40, 28, 32] total 96 [2024-04-04 06:07:32,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102737485] [2024-04-04 06:07:32,820 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 06:07:32,823 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2024-04-04 06:07:32,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 06:07:32,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2024-04-04 06:07:32,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=689, Invalid=8431, Unknown=0, NotChecked=0, Total=9120 [2024-04-04 06:07:32,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:07:32,831 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 06:07:32,831 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 96 states, 96 states have (on average 6.708333333333333) internal successors, (644), 96 states have internal predecessors, (644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 06:07:32,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:07:32,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-04 06:07:32,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-04 06:07:32,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 06:07:32,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 06:07:32,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-04 06:07:32,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-04 06:07:32,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 06:07:32,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 199 states. [2024-04-04 06:07:32,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-04 06:07:32,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-04 06:07:32,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-04 06:07:32,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 416 states. [2024-04-04 06:07:32,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:09:48,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:09:48,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-04 06:09:48,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 06:09:48,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 06:09:48,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 06:09:48,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-04 06:09:48,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-04 06:09:48,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 06:09:48,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 199 states. [2024-04-04 06:09:48,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-04 06:09:48,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-04 06:09:48,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 06:09:48,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 429 states. [2024-04-04 06:09:48,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 477 states. [2024-04-04 06:09:48,473 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-04-04 06:09:48,671 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,SelfDestructingSolverStorable13 [2024-04-04 06:09:48,672 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-04 06:09:48,672 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 06:09:48,672 INFO L85 PathProgramCache]: Analyzing trace with hash -1975244591, now seen corresponding path program 3 times [2024-04-04 06:09:48,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 06:09:48,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344095753] [2024-04-04 06:09:48,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 06:09:48,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 06:09:48,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 06:09:50,754 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-04-04 06:09:50,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 06:09:50,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1344095753] [2024-04-04 06:09:50,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1344095753] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 06:09:50,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1041012749] [2024-04-04 06:09:50,755 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-04 06:09:50,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 06:09:50,755 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 06:09:50,756 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) [2024-04-04 06:09:50,756 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-04-04 06:09:50,936 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-04-04 06:09:50,937 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 06:09:50,939 INFO L262 TraceCheckSpWp]: Trace formula consists of 532 conjuncts, 52 conjunts are in the unsatisfiable core [2024-04-04 06:09:50,942 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 06:09:53,134 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 50 treesize of output 38 [2024-04-04 06:09:53,880 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 4 proven. 21 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-04-04 06:09:53,880 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 06:09:54,548 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 06:09:54,548 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 51 treesize of output 27 [2024-04-04 06:09:54,957 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 4 proven. 21 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-04-04 06:09:54,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1041012749] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 06:09:54,957 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 06:09:54,957 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40, 28, 21] total 78 [2024-04-04 06:09:54,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305103758] [2024-04-04 06:09:54,958 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 06:09:55,104 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 78 states [2024-04-04 06:09:55,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 06:09:55,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 78 interpolants. [2024-04-04 06:09:55,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=484, Invalid=5522, Unknown=0, NotChecked=0, Total=6006 [2024-04-04 06:09:55,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:09:55,106 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 06:09:55,107 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 78 states, 78 states have (on average 6.8076923076923075) internal successors, (531), 78 states have internal predecessors, (531), 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) [2024-04-04 06:09:55,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:09:55,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-04 06:09:55,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-04 06:09:55,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 06:09:55,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 06:09:55,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-04 06:09:55,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-04 06:09:55,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 06:09:55,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 199 states. [2024-04-04 06:09:55,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-04 06:09:55,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-04 06:09:55,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-04 06:09:55,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 429 states. [2024-04-04 06:09:55,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 477 states. [2024-04-04 06:09:55,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.