/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking BOTH --traceabstraction.criterion.for.conditional.commutativity.checking DEFAULT --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 10 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-nonblocking-cntr-alt.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-3774817-m [2024-04-04 16:57:01,111 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-04 16:57:01,180 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-04 16:57:01,184 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-04 16:57:01,184 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-04 16:57:01,207 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-04 16:57:01,208 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-04 16:57:01,208 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-04 16:57:01,209 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-04 16:57:01,211 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-04 16:57:01,212 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-04 16:57:01,212 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-04 16:57:01,212 INFO L153 SettingsManager]: * Use SBE=true [2024-04-04 16:57:01,214 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-04 16:57:01,214 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-04 16:57:01,214 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-04 16:57:01,214 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-04 16:57:01,214 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-04 16:57:01,214 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-04 16:57:01,214 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-04 16:57:01,215 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-04 16:57:01,215 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-04 16:57:01,215 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-04 16:57:01,215 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-04 16:57:01,215 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-04 16:57:01,216 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-04 16:57:01,216 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-04 16:57:01,216 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-04 16:57:01,216 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-04 16:57:01,216 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-04 16:57:01,217 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-04 16:57:01,217 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-04 16:57:01,217 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-04 16:57:01,217 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-04 16:57:01,218 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-04 16:57:01,218 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-04 16:57:01,218 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-04 16:57:01,218 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-04 16:57:01,218 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-04 16:57:01,218 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> BOTH Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> DEFAULT Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 10 [2024-04-04 16:57:01,412 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-04 16:57:01,440 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-04 16:57:01,442 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-04 16:57:01,443 INFO L270 PluginConnector]: Initializing CDTParser... [2024-04-04 16:57:01,443 INFO L274 PluginConnector]: CDTParser initialized [2024-04-04 16:57:01,443 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-nonblocking-cntr-alt.wvr.c [2024-04-04 16:57:02,502 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-04-04 16:57:02,678 INFO L384 CDTParser]: Found 1 translation units. [2024-04-04 16:57:02,679 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-nonblocking-cntr-alt.wvr.c [2024-04-04 16:57:02,684 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/3103390a7/234e09be001f4f5bb6b5a89b23bedc2a/FLAGda2adab47 [2024-04-04 16:57:02,701 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/3103390a7/234e09be001f4f5bb6b5a89b23bedc2a [2024-04-04 16:57:02,703 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-04 16:57:02,704 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-04-04 16:57:02,706 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-04-04 16:57:02,706 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-04-04 16:57:02,709 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-04-04 16:57:02,710 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.04 04:57:02" (1/1) ... [2024-04-04 16:57:02,710 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e8d035a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 04:57:02, skipping insertion in model container [2024-04-04 16:57:02,710 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.04 04:57:02" (1/1) ... [2024-04-04 16:57:02,728 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-04-04 16:57:02,841 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-nonblocking-cntr-alt.wvr.c[2098,2111] [2024-04-04 16:57:02,844 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-04 16:57:02,851 INFO L202 MainTranslator]: Completed pre-run [2024-04-04 16:57:02,871 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-nonblocking-cntr-alt.wvr.c[2098,2111] [2024-04-04 16:57:02,872 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-04 16:57:02,877 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-04-04 16:57:02,878 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-04-04 16:57:02,883 INFO L206 MainTranslator]: Completed translation [2024-04-04 16:57:02,884 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 04:57:02 WrapperNode [2024-04-04 16:57:02,884 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-04-04 16:57:02,885 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-04 16:57:02,885 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-04 16:57:02,885 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-04 16:57:02,890 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 04:57:02" (1/1) ... [2024-04-04 16:57:02,895 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 04:57:02" (1/1) ... [2024-04-04 16:57:02,926 INFO L138 Inliner]: procedures = 21, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 58 [2024-04-04 16:57:02,926 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-04 16:57:02,927 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-04 16:57:02,927 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-04 16:57:02,927 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-04 16:57:02,934 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 04:57:02" (1/1) ... [2024-04-04 16:57:02,934 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 04:57:02" (1/1) ... [2024-04-04 16:57:02,937 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 04:57:02" (1/1) ... [2024-04-04 16:57:02,937 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 04:57:02" (1/1) ... [2024-04-04 16:57:02,943 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 04:57:02" (1/1) ... [2024-04-04 16:57:02,945 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 04:57:02" (1/1) ... [2024-04-04 16:57:02,946 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 04:57:02" (1/1) ... [2024-04-04 16:57:02,947 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 04:57:02" (1/1) ... [2024-04-04 16:57:02,948 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-04 16:57:02,952 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-04 16:57:02,952 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-04 16:57:02,952 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-04 16:57:02,953 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 04:57:02" (1/1) ... [2024-04-04 16:57:02,957 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-04 16:57:02,966 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 16:57:02,977 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 16:57:02,994 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 16:57:03,013 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-04-04 16:57:03,013 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-04-04 16:57:03,013 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-04-04 16:57:03,013 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-04-04 16:57:03,013 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-04-04 16:57:03,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-04-04 16:57:03,014 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-04-04 16:57:03,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-04-04 16:57:03,014 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-04-04 16:57:03,014 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-04-04 16:57:03,014 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-04 16:57:03,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-04 16:57:03,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-04-04 16:57:03,016 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-04-04 16:57:03,017 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 16:57:03,107 INFO L241 CfgBuilder]: Building ICFG [2024-04-04 16:57:03,109 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-04 16:57:03,281 INFO L282 CfgBuilder]: Performing block encoding [2024-04-04 16:57:03,317 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-04 16:57:03,317 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2024-04-04 16:57:03,320 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.04 04:57:03 BoogieIcfgContainer [2024-04-04 16:57:03,320 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-04 16:57:03,322 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-04 16:57:03,322 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-04 16:57:03,325 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-04 16:57:03,325 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.04 04:57:02" (1/3) ... [2024-04-04 16:57:03,325 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e90cc1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.04 04:57:03, skipping insertion in model container [2024-04-04 16:57:03,326 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 04:57:02" (2/3) ... [2024-04-04 16:57:03,326 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e90cc1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.04 04:57:03, skipping insertion in model container [2024-04-04 16:57:03,326 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.04 04:57:03" (3/3) ... [2024-04-04 16:57:03,327 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-nonblocking-cntr-alt.wvr.c [2024-04-04 16:57:03,334 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-04 16:57:03,341 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-04 16:57:03,341 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-04-04 16:57:03,342 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-04 16:57:03,399 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-04-04 16:57:03,429 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-04 16:57:03,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-04 16:57:03,429 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 16:57:03,435 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 16:57:03,439 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 16:57:03,475 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-04 16:57:03,490 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 16:57:03,491 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-04 16:57:03,497 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;@10cedb6a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=BOTH, mConComCheckerCriterion=DEFAULT, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=10, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123 [2024-04-04 16:57:03,497 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-04-04 16:57:03,666 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-04 16:57:03,667 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 16:57:03,667 INFO L85 PathProgramCache]: Analyzing trace with hash -1883492907, now seen corresponding path program 1 times [2024-04-04 16:57:03,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 16:57:03,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397414586] [2024-04-04 16:57:03,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 16:57:03,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 16:57:03,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 16:57:03,842 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-04 16:57:03,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 16:57:03,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [397414586] [2024-04-04 16:57:03,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [397414586] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 16:57:03,843 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 16:57:03,843 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-04-04 16:57:03,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931933627] [2024-04-04 16:57:03,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 16:57:03,849 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-04-04 16:57:03,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 16:57:03,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-04-04 16:57:03,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-04-04 16:57:03,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 16:57:03,945 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 16:57:03,946 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 34.0) internal successors, (68), 2 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 16:57:03,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 16:57:03,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 16:57:04,000 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-04-04 16:57:04,000 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-04 16:57:04,000 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 16:57:04,000 INFO L85 PathProgramCache]: Analyzing trace with hash -918790425, now seen corresponding path program 1 times [2024-04-04 16:57:04,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 16:57:04,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334509709] [2024-04-04 16:57:04,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 16:57:04,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 16:57:04,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 16:57:04,406 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 16:57:04,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 16:57:04,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334509709] [2024-04-04 16:57:04,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [334509709] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 16:57:04,406 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 16:57:04,407 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-04-04 16:57:04,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415375551] [2024-04-04 16:57:04,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 16:57:04,408 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-04-04 16:57:04,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 16:57:04,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-04-04 16:57:04,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-04-04 16:57:04,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 16:57:04,420 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 16:57:04,420 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 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 16:57:04,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 16:57:04,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 16:57:04,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 16:57:04,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-04 16:57:04,499 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-04-04 16:57:04,500 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-04 16:57:04,500 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 16:57:04,500 INFO L85 PathProgramCache]: Analyzing trace with hash -487884627, now seen corresponding path program 1 times [2024-04-04 16:57:04,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 16:57:04,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173638467] [2024-04-04 16:57:04,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 16:57:04,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 16:57:04,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 16:57:04,960 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 16:57:04,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 16:57:04,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173638467] [2024-04-04 16:57:04,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [173638467] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 16:57:04,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [274629257] [2024-04-04 16:57:04,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 16:57:04,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 16:57:04,961 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 16:57:04,972 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 16:57:04,976 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 16:57:05,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 16:57:05,065 INFO L262 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 26 conjunts are in the unsatisfiable core [2024-04-04 16:57:05,090 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 16:57:05,517 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 16:57:05,518 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 16:57:06,045 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 16:57:06,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [274629257] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 16:57:06,046 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 16:57:06,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 18] total 40 [2024-04-04 16:57:06,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931573678] [2024-04-04 16:57:06,046 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 16:57:06,051 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2024-04-04 16:57:06,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 16:57:06,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2024-04-04 16:57:06,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=199, Invalid=1361, Unknown=0, NotChecked=0, Total=1560 [2024-04-04 16:57:06,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 16:57:06,071 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 16:57:06,071 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 3.625) internal successors, (145), 40 states have internal predecessors, (145), 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 16:57:06,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 16:57:06,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-04 16:57:06,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 16:57:08,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 16:57:08,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-04 16:57:08,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2024-04-04 16:57:08,293 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-04-04 16:57:08,475 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 16:57:08,475 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-04 16:57:08,476 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 16:57:08,476 INFO L85 PathProgramCache]: Analyzing trace with hash -926721689, now seen corresponding path program 2 times [2024-04-04 16:57:08,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 16:57:08,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768543186] [2024-04-04 16:57:08,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 16:57:08,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 16:57:08,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 16:57:09,126 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-04-04 16:57:09,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 16:57:09,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768543186] [2024-04-04 16:57:09,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [768543186] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 16:57:09,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1276643620] [2024-04-04 16:57:09,127 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-04 16:57:09,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 16:57:09,127 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 16:57:09,128 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 16:57:09,153 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 16:57:09,206 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-04 16:57:09,207 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 16:57:09,208 INFO L262 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 47 conjunts are in the unsatisfiable core [2024-04-04 16:57:09,210 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 16:57:09,750 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 71 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 16:57:09,750 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 16:57:10,703 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 71 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 16:57:10,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1276643620] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 16:57:10,704 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 16:57:10,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 30, 27] total 65 [2024-04-04 16:57:10,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326531833] [2024-04-04 16:57:10,704 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 16:57:10,705 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 65 states [2024-04-04 16:57:10,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 16:57:10,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2024-04-04 16:57:10,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=407, Invalid=3753, Unknown=0, NotChecked=0, Total=4160 [2024-04-04 16:57:10,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 16:57:10,716 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 16:57:10,716 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 65 states, 65 states have (on average 3.0153846153846153) internal successors, (196), 65 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 16:57:10,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 16:57:10,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-04 16:57:10,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2024-04-04 16:57:10,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 16:57:15,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 16:57:15,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-04 16:57:15,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2024-04-04 16:57:15,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2024-04-04 16:57:15,311 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-04-04 16:57:15,507 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 16:57:15,507 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-04 16:57:15,507 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 16:57:15,507 INFO L85 PathProgramCache]: Analyzing trace with hash -533131963, now seen corresponding path program 3 times [2024-04-04 16:57:15,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 16:57:15,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468711060] [2024-04-04 16:57:15,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 16:57:15,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 16:57:15,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 16:57:15,874 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-04-04 16:57:15,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 16:57:15,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468711060] [2024-04-04 16:57:15,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1468711060] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 16:57:15,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [679054827] [2024-04-04 16:57:15,875 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-04 16:57:15,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 16:57:15,876 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 16:57:15,901 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 16:57:15,943 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 16:57:15,977 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-04-04 16:57:15,977 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 16:57:15,979 INFO L262 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 23 conjunts are in the unsatisfiable core [2024-04-04 16:57:15,981 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 16:57:16,077 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2024-04-04 16:57:16,078 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 16:57:16,258 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 6 proven. 13 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2024-04-04 16:57:16,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [679054827] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 16:57:16,258 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 16:57:16,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 10 [2024-04-04 16:57:16,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727080571] [2024-04-04 16:57:16,259 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 16:57:16,259 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-04-04 16:57:16,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 16:57:16,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-04-04 16:57:16,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2024-04-04 16:57:16,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 16:57:16,270 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 16:57:16,270 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 12.3) internal successors, (123), 10 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 16:57:16,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 16:57:16,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-04 16:57:16,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2024-04-04 16:57:16,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 147 states. [2024-04-04 16:57:16,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 16:57:16,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 16:57:16,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-04 16:57:16,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2024-04-04 16:57:16,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2024-04-04 16:57:16,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 16:57:16,782 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-04-04 16:57:16,975 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 16:57:16,975 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-04 16:57:16,975 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 16:57:16,976 INFO L85 PathProgramCache]: Analyzing trace with hash -648729982, now seen corresponding path program 4 times [2024-04-04 16:57:16,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 16:57:16,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562489294] [2024-04-04 16:57:16,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 16:57:16,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 16:57:17,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 16:57:17,660 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 71 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-04-04 16:57:17,660 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 16:57:17,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562489294] [2024-04-04 16:57:17,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [562489294] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 16:57:17,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1202075010] [2024-04-04 16:57:17,661 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-04 16:57:17,661 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 16:57:17,661 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 16:57:17,671 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 16:57:17,700 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 16:57:17,751 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-04 16:57:17,751 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 16:57:17,752 INFO L262 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 54 conjunts are in the unsatisfiable core [2024-04-04 16:57:17,755 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 16:57:18,583 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 16:57:18,583 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 16:57:23,311 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 16:57:23,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1202075010] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 16:57:23,312 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 16:57:23,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 35, 35] total 78 [2024-04-04 16:57:23,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3362949] [2024-04-04 16:57:23,312 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 16:57:23,312 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 78 states [2024-04-04 16:57:23,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 16:57:23,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 78 interpolants. [2024-04-04 16:57:23,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=538, Invalid=5468, Unknown=0, NotChecked=0, Total=6006 [2024-04-04 16:57:23,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 16:57:23,326 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 16:57:23,326 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 78 states, 78 states have (on average 2.7948717948717947) internal successors, (218), 78 states have internal predecessors, (218), 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 16:57:23,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 16:57:23,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-04 16:57:23,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2024-04-04 16:57:23,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. [2024-04-04 16:57:23,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 16:57:23,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 16:57:30,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 16:57:30,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-04 16:57:30,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2024-04-04 16:57:30,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 160 states. [2024-04-04 16:57:30,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 16:57:30,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 163 states. [2024-04-04 16:57:30,476 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 16:57:30,662 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,SelfDestructingSolverStorable5 [2024-04-04 16:57:30,662 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-04 16:57:30,663 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 16:57:30,663 INFO L85 PathProgramCache]: Analyzing trace with hash -678752328, now seen corresponding path program 5 times [2024-04-04 16:57:30,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 16:57:30,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [993323172] [2024-04-04 16:57:30,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 16:57:30,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 16:57:30,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 16:57:31,340 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 118 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-04-04 16:57:31,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 16:57:31,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [993323172] [2024-04-04 16:57:31,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [993323172] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 16:57:31,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [929221657] [2024-04-04 16:57:31,340 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-04 16:57:31,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 16:57:31,341 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 16:57:31,341 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 16:57:31,356 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 16:57:31,420 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2024-04-04 16:57:31,420 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 16:57:31,421 INFO L262 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 67 conjunts are in the unsatisfiable core [2024-04-04 16:57:31,425 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 16:57:32,462 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 184 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 16:57:32,462 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 16:57:33,568 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 1 proven. 183 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 16:57:33,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [929221657] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 16:57:33,568 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 16:57:33,568 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 41, 35] total 85 [2024-04-04 16:57:33,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887827384] [2024-04-04 16:57:33,569 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 16:57:33,571 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 85 states [2024-04-04 16:57:33,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 16:57:33,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants. [2024-04-04 16:57:33,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=596, Invalid=6544, Unknown=0, NotChecked=0, Total=7140 [2024-04-04 16:57:33,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 16:57:33,595 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 16:57:33,596 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 85 states, 85 states have (on average 2.788235294117647) internal successors, (237), 85 states have internal predecessors, (237), 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 16:57:33,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 16:57:33,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-04 16:57:33,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2024-04-04 16:57:33,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 160 states. [2024-04-04 16:57:33,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 16:57:33,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 163 states. [2024-04-04 16:57:33,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 16:57:38,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 16:57:38,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-04 16:57:38,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2024-04-04 16:57:38,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 160 states. [2024-04-04 16:57:38,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 16:57:38,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 163 states. [2024-04-04 16:57:38,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 183 states. [2024-04-04 16:57:38,631 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 16:57:38,825 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 16:57:38,825 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-04 16:57:38,825 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 16:57:38,825 INFO L85 PathProgramCache]: Analyzing trace with hash -1868925939, now seen corresponding path program 6 times [2024-04-04 16:57:38,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 16:57:38,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819254662] [2024-04-04 16:57:38,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 16:57:38,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 16:57:38,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 16:57:39,745 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 0 proven. 183 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2024-04-04 16:57:39,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 16:57:39,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819254662] [2024-04-04 16:57:39,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1819254662] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 16:57:39,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1097373111] [2024-04-04 16:57:39,745 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-04-04 16:57:39,746 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 16:57:39,746 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 16:57:39,747 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 16:57:39,752 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 16:57:39,825 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 11 check-sat command(s) [2024-04-04 16:57:39,825 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 16:57:39,827 INFO L262 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 80 conjunts are in the unsatisfiable core [2024-04-04 16:57:39,829 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 16:57:41,197 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 0 proven. 284 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 16:57:41,197 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 16:57:42,800 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 6 proven. 277 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-04 16:57:42,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1097373111] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 16:57:42,800 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 16:57:42,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 48, 40] total 97 [2024-04-04 16:57:42,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236792246] [2024-04-04 16:57:42,801 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 16:57:42,801 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 97 states [2024-04-04 16:57:42,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 16:57:42,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 97 interpolants. [2024-04-04 16:57:42,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=722, Invalid=8590, Unknown=0, NotChecked=0, Total=9312 [2024-04-04 16:57:42,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 16:57:42,814 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 16:57:42,814 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 97 states, 97 states have (on average 2.6907216494845363) internal successors, (261), 97 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 16:57:42,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 16:57:42,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-04 16:57:42,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2024-04-04 16:57:42,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 160 states. [2024-04-04 16:57:42,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 16:57:42,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 163 states. [2024-04-04 16:57:42,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 183 states. [2024-04-04 16:57:42,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 16:58:05,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 16:58:05,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-04 16:58:05,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 155 states. [2024-04-04 16:58:05,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 253 states. [2024-04-04 16:58:05,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 16:58:05,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 244 states. [2024-04-04 16:58:05,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 275 states. [2024-04-04 16:58:05,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 313 states. [2024-04-04 16:58:05,973 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2024-04-04 16:58:05,973 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2024-04-04 16:58:05,974 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-04-04 16:58:05,987 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 16:58:06,179 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,SelfDestructingSolverStorable7 [2024-04-04 16:58:06,184 INFO L445 BasicCegarLoop]: Path program histogram: [6, 1, 1] [2024-04-04 16:58:06,187 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-04-04 16:58:06,187 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-04-04 16:58:06,190 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.04 04:58:06 BasicIcfg [2024-04-04 16:58:06,190 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-04-04 16:58:06,190 INFO L158 Benchmark]: Toolchain (without parser) took 63486.57ms. Allocated memory was 265.3MB in the beginning and 1.2GB in the end (delta: 928.0MB). Free memory was 191.1MB in the beginning and 580.9MB in the end (delta: -389.8MB). Peak memory consumption was 539.3MB. Max. memory is 8.0GB. [2024-04-04 16:58:06,190 INFO L158 Benchmark]: CDTParser took 0.08ms. Allocated memory is still 166.7MB. Free memory is still 132.1MB. There was no memory consumed. Max. memory is 8.0GB. [2024-04-04 16:58:06,191 INFO L158 Benchmark]: CACSL2BoogieTranslator took 178.62ms. Allocated memory is still 265.3MB. Free memory was 190.8MB in the beginning and 179.7MB in the end (delta: 11.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2024-04-04 16:58:06,193 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.56ms. Allocated memory is still 265.3MB. Free memory was 179.7MB in the beginning and 178.1MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-04-04 16:58:06,194 INFO L158 Benchmark]: Boogie Preprocessor took 21.52ms. Allocated memory is still 265.3MB. Free memory was 178.1MB in the beginning and 176.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-04-04 16:58:06,194 INFO L158 Benchmark]: RCFGBuilder took 368.50ms. Allocated memory is still 265.3MB. Free memory was 176.8MB in the beginning and 160.4MB in the end (delta: 16.3MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. [2024-04-04 16:58:06,195 INFO L158 Benchmark]: TraceAbstraction took 62867.53ms. Allocated memory was 265.3MB in the beginning and 1.2GB in the end (delta: 928.0MB). Free memory was 159.2MB in the beginning and 580.9MB in the end (delta: -421.7MB). Peak memory consumption was 507.9MB. Max. memory is 8.0GB. [2024-04-04 16:58:06,195 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.08ms. Allocated memory is still 166.7MB. Free memory is still 132.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 178.62ms. Allocated memory is still 265.3MB. Free memory was 190.8MB in the beginning and 179.7MB in the end (delta: 11.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 41.56ms. Allocated memory is still 265.3MB. Free memory was 179.7MB in the beginning and 178.1MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 21.52ms. Allocated memory is still 265.3MB. Free memory was 178.1MB in the beginning and 176.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 368.50ms. Allocated memory is still 265.3MB. Free memory was 176.8MB in the beginning and 160.4MB in the end (delta: 16.3MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. * TraceAbstraction took 62867.53ms. Allocated memory was 265.3MB in the beginning and 1.2GB in the end (delta: 928.0MB). Free memory was 159.2MB in the beginning and 580.9MB in the end (delta: -421.7MB). Peak memory consumption was 507.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 36487, independent: 31378, independent conditional: 31202, independent unconditional: 176, dependent: 5109, dependent conditional: 5000, dependent unconditional: 109, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 31536, independent: 31378, independent conditional: 31202, independent unconditional: 176, dependent: 158, dependent conditional: 158, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 31536, independent: 31378, independent conditional: 31202, independent unconditional: 176, dependent: 158, dependent conditional: 158, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 31536, independent: 31378, independent conditional: 31202, independent unconditional: 176, dependent: 158, dependent conditional: 158, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 32842, independent: 31378, independent conditional: 3298, independent unconditional: 28080, dependent: 1464, dependent conditional: 1028, dependent unconditional: 436, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 32842, independent: 31378, independent conditional: 3090, independent unconditional: 28288, dependent: 1464, dependent conditional: 880, dependent unconditional: 584, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 32842, independent: 31378, independent conditional: 3090, independent unconditional: 28288, dependent: 1464, dependent conditional: 880, dependent unconditional: 584, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 386, independent: 342, independent conditional: 23, independent unconditional: 319, dependent: 44, dependent conditional: 42, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 386, independent: 330, independent conditional: 0, independent unconditional: 330, dependent: 56, dependent conditional: 0, dependent unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 56, independent: 12, independent conditional: 12, independent unconditional: 0, dependent: 44, dependent conditional: 42, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 56, independent: 12, independent conditional: 12, independent unconditional: 0, dependent: 44, dependent conditional: 42, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 144, independent: 32, independent conditional: 32, independent unconditional: 0, dependent: 113, dependent conditional: 79, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 32842, independent: 31036, independent conditional: 3067, independent unconditional: 27969, dependent: 1420, dependent conditional: 838, dependent unconditional: 582, unknown: 386, unknown conditional: 65, unknown unconditional: 321] , Statistics on independence cache: Total cache size (in pairs): 386, Positive cache size: 342, Positive conditional cache size: 23, Positive unconditional cache size: 319, Negative cache size: 44, Negative conditional cache size: 42, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 356, Maximal queried relation: 7, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 32842, independent: 31378, independent conditional: 3298, independent unconditional: 28080, dependent: 1464, dependent conditional: 1028, dependent unconditional: 436, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 32842, independent: 31378, independent conditional: 3090, independent unconditional: 28288, dependent: 1464, dependent conditional: 880, dependent unconditional: 584, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 32842, independent: 31378, independent conditional: 3090, independent unconditional: 28288, dependent: 1464, dependent conditional: 880, dependent unconditional: 584, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 386, independent: 342, independent conditional: 23, independent unconditional: 319, dependent: 44, dependent conditional: 42, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 386, independent: 330, independent conditional: 0, independent unconditional: 330, dependent: 56, dependent conditional: 0, dependent unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 56, independent: 12, independent conditional: 12, independent unconditional: 0, dependent: 44, dependent conditional: 42, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 56, independent: 12, independent conditional: 12, independent unconditional: 0, dependent: 44, dependent conditional: 42, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 144, independent: 32, independent conditional: 32, independent unconditional: 0, dependent: 113, dependent conditional: 79, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 32842, independent: 31036, independent conditional: 3067, independent unconditional: 27969, dependent: 1420, dependent conditional: 838, dependent unconditional: 582, unknown: 386, unknown conditional: 65, unknown unconditional: 321] , Statistics on independence cache: Total cache size (in pairs): 386, Positive cache size: 342, Positive conditional cache size: 23, Positive unconditional cache size: 319, Negative cache size: 44, Negative conditional cache size: 42, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 356 ], Independence queries for same thread: 4951 - PositiveResult [Line: 78]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 98 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 62.7s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 6, EmptinessCheckTime: 42.9s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 1255, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 17.5s InterpolantComputationTime, 1360 NumberOfCodeBlocks, 1354 NumberOfCodeBlocksAsserted, 39 NumberOfCheckSat, 1953 ConstructedInterpolants, 0 QuantifiedInterpolants, 17303 SizeOfPredicates, 119 NumberOfNonLiveVariables, 1184 ConjunctsInSsa, 297 ConjunctsInUnsatCore, 20 InterpolantComputations, 2 PerfectInterpolantSequences, 575/2384 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-04-04 16:58:06,213 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-04-04 16:58:06,419 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...