/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking DFS --traceabstraction.criterion.for.conditional.commutativity.checking DEFAULT --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 50 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-simple-queue.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-3774817-m [2024-04-05 18:15:10,033 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-05 18:15:10,098 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-05 18:15:10,101 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-05 18:15:10,102 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-05 18:15:10,125 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-05 18:15:10,125 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-05 18:15:10,125 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-05 18:15:10,126 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-05 18:15:10,129 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-05 18:15:10,130 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-05 18:15:10,130 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-05 18:15:10,130 INFO L153 SettingsManager]: * Use SBE=true [2024-04-05 18:15:10,131 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-05 18:15:10,132 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-05 18:15:10,132 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-05 18:15:10,132 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-05 18:15:10,132 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-05 18:15:10,132 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-05 18:15:10,132 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-05 18:15:10,133 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-05 18:15:10,133 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-05 18:15:10,133 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-05 18:15:10,133 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-05 18:15:10,133 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-05 18:15:10,134 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-05 18:15:10,134 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-05 18:15:10,134 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-05 18:15:10,134 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-05 18:15:10,134 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-05 18:15:10,135 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-05 18:15:10,135 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-05 18:15:10,135 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-05 18:15:10,136 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-05 18:15:10,136 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-05 18:15:10,136 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-05 18:15:10,136 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-05 18:15:10,136 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-05 18:15:10,136 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-05 18:15:10,136 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> DEFAULT Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 50 [2024-04-05 18:15:10,296 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-05 18:15:10,315 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-05 18:15:10,317 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-05 18:15:10,318 INFO L270 PluginConnector]: Initializing CDTParser... [2024-04-05 18:15:10,318 INFO L274 PluginConnector]: CDTParser initialized [2024-04-05 18:15:10,319 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-simple-queue.wvr.c [2024-04-05 18:15:11,260 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-04-05 18:15:11,396 INFO L384 CDTParser]: Found 1 translation units. [2024-04-05 18:15:11,396 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-simple-queue.wvr.c [2024-04-05 18:15:11,403 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/43dda0a6e/b50114beec934dfeb4254947e8cf7d04/FLAGd6ea73e08 [2024-04-05 18:15:11,412 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/43dda0a6e/b50114beec934dfeb4254947e8cf7d04 [2024-04-05 18:15:11,415 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-05 18:15:11,416 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-04-05 18:15:11,418 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-04-05 18:15:11,418 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-04-05 18:15:11,421 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-04-05 18:15:11,422 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 06:15:11" (1/1) ... [2024-04-05 18:15:11,422 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e75c625 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 06:15:11, skipping insertion in model container [2024-04-05 18:15:11,422 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 06:15:11" (1/1) ... [2024-04-05 18:15:11,443 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-04-05 18:15:11,563 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-simple-queue.wvr.c[2438,2451] [2024-04-05 18:15:11,570 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-05 18:15:11,577 INFO L202 MainTranslator]: Completed pre-run [2024-04-05 18:15:11,591 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-simple-queue.wvr.c[2438,2451] [2024-04-05 18:15:11,593 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-05 18:15:11,599 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-04-05 18:15:11,600 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-04-05 18:15:11,604 INFO L206 MainTranslator]: Completed translation [2024-04-05 18:15:11,605 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 06:15:11 WrapperNode [2024-04-05 18:15:11,605 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-04-05 18:15:11,606 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-05 18:15:11,606 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-05 18:15:11,606 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-05 18:15:11,611 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 06:15:11" (1/1) ... [2024-04-05 18:15:11,617 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 06:15:11" (1/1) ... [2024-04-05 18:15:11,632 INFO L138 Inliner]: procedures = 24, calls = 33, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 133 [2024-04-05 18:15:11,633 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-05 18:15:11,633 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-05 18:15:11,633 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-05 18:15:11,633 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-05 18:15:11,639 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 06:15:11" (1/1) ... [2024-04-05 18:15:11,639 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 06:15:11" (1/1) ... [2024-04-05 18:15:11,641 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 06:15:11" (1/1) ... [2024-04-05 18:15:11,641 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 06:15:11" (1/1) ... [2024-04-05 18:15:11,645 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 06:15:11" (1/1) ... [2024-04-05 18:15:11,647 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 06:15:11" (1/1) ... [2024-04-05 18:15:11,648 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 06:15:11" (1/1) ... [2024-04-05 18:15:11,649 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 06:15:11" (1/1) ... [2024-04-05 18:15:11,651 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-05 18:15:11,651 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-05 18:15:11,651 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-05 18:15:11,651 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-05 18:15:11,652 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 06:15:11" (1/1) ... [2024-04-05 18:15:11,655 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-05 18:15:11,665 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 18:15:11,676 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) [2024-04-05 18:15:11,707 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 [2024-04-05 18:15:11,747 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-04-05 18:15:11,747 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-04-05 18:15:11,747 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-04-05 18:15:11,747 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-04-05 18:15:11,747 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-04-05 18:15:11,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-04-05 18:15:11,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-04-05 18:15:11,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-04-05 18:15:11,751 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-04-05 18:15:11,751 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-04-05 18:15:11,752 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-04-05 18:15:11,752 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-05 18:15:11,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-05 18:15:11,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-04-05 18:15:11,752 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-04-05 18:15:11,753 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-04-05 18:15:11,825 INFO L241 CfgBuilder]: Building ICFG [2024-04-05 18:15:11,827 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-05 18:15:12,034 INFO L282 CfgBuilder]: Performing block encoding [2024-04-05 18:15:12,100 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-05 18:15:12,100 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2024-04-05 18:15:12,102 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 06:15:12 BoogieIcfgContainer [2024-04-05 18:15:12,102 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-05 18:15:12,103 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-05 18:15:12,104 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-05 18:15:12,106 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-05 18:15:12,113 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.04 06:15:11" (1/3) ... [2024-04-05 18:15:12,114 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f5615f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 06:15:12, skipping insertion in model container [2024-04-05 18:15:12,114 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 06:15:11" (2/3) ... [2024-04-05 18:15:12,114 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f5615f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 06:15:12, skipping insertion in model container [2024-04-05 18:15:12,114 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 06:15:12" (3/3) ... [2024-04-05 18:15:12,115 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-simple-queue.wvr.c [2024-04-05 18:15:12,121 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-05 18:15:12,129 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-05 18:15:12,129 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-04-05 18:15:12,129 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-05 18:15:12,176 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-04-05 18:15:12,214 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-05 18:15:12,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-05 18:15:12,215 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 18:15:12,216 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) [2024-04-05 18:15:12,216 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 [2024-04-05 18:15:12,242 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-05 18:15:12,251 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 18:15:12,253 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-05 18:15:12,258 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;@22c1826c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=DEFAULT, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=50, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123 [2024-04-05 18:15:12,258 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-04-05 18:15:12,338 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-05 18:15:12,339 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 18:15:12,339 INFO L85 PathProgramCache]: Analyzing trace with hash -1388801947, now seen corresponding path program 1 times [2024-04-05 18:15:12,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 18:15:12,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509036264] [2024-04-05 18:15:12,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 18:15:12,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 18:15:12,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 18:15:12,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 18:15:12,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 18:15:12,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [509036264] [2024-04-05 18:15:12,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [509036264] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 18:15:12,542 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-05 18:15:12,543 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-04-05 18:15:12,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789028493] [2024-04-05 18:15:12,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 18:15:12,547 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-04-05 18:15:12,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 18:15:12,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-04-05 18:15:12,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-04-05 18:15:12,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 18:15:12,627 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 18:15:12,628 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 45.5) internal successors, (91), 2 states have internal predecessors, (91), 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) [2024-04-05 18:15:12,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 18:15:12,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 18:15:12,674 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-04-05 18:15:12,674 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-05 18:15:12,675 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 18:15:12,675 INFO L85 PathProgramCache]: Analyzing trace with hash -1740650221, now seen corresponding path program 1 times [2024-04-05 18:15:12,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 18:15:12,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109601434] [2024-04-05 18:15:12,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 18:15:12,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 18:15:12,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 18:15:13,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 18:15:13,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 18:15:13,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [109601434] [2024-04-05 18:15:13,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [109601434] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 18:15:13,016 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-05 18:15:13,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-04-05 18:15:13,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035687381] [2024-04-05 18:15:13,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 18:15:13,019 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-04-05 18:15:13,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 18:15:13,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-04-05 18:15:13,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-04-05 18:15:13,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 18:15:13,022 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 18:15:13,022 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 5 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 18:15:13,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 18:15:13,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 18:15:13,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 18:15:13,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 18:15:13,132 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-04-05 18:15:13,132 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-05 18:15:13,133 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 18:15:13,133 INFO L85 PathProgramCache]: Analyzing trace with hash 1644723608, now seen corresponding path program 1 times [2024-04-05 18:15:13,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 18:15:13,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757926693] [2024-04-05 18:15:13,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 18:15:13,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 18:15:13,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 18:15:13,267 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 18:15:13,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 18:15:13,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1757926693] [2024-04-05 18:15:13,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1757926693] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 18:15:13,268 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-05 18:15:13,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-04-05 18:15:13,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329304250] [2024-04-05 18:15:13,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 18:15:13,269 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-04-05 18:15:13,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 18:15:13,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-04-05 18:15:13,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-04-05 18:15:13,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 18:15:13,273 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 18:15:13,273 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 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) [2024-04-05 18:15:13,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 18:15:13,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 18:15:13,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 18:15:13,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 18:15:13,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 18:15:13,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 18:15:13,367 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-04-05 18:15:13,367 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-05 18:15:13,367 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 18:15:13,367 INFO L85 PathProgramCache]: Analyzing trace with hash -1712192163, now seen corresponding path program 1 times [2024-04-05 18:15:13,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 18:15:13,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990668598] [2024-04-05 18:15:13,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 18:15:13,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 18:15:13,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 18:15:13,523 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-05 18:15:13,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 18:15:13,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [990668598] [2024-04-05 18:15:13,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [990668598] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 18:15:13,525 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-05 18:15:13,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-04-05 18:15:13,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273509174] [2024-04-05 18:15:13,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 18:15:13,527 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-04-05 18:15:13,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 18:15:13,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-04-05 18:15:13,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-04-05 18:15:13,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 18:15:13,528 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 18:15:13,529 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 6 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 18:15:13,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 18:15:13,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 18:15:13,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-05 18:15:13,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 18:15:13,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 18:15:13,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 18:15:13,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 18:15:13,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 18:15:13,627 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-04-05 18:15:13,627 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-05 18:15:13,627 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 18:15:13,627 INFO L85 PathProgramCache]: Analyzing trace with hash 888421887, now seen corresponding path program 1 times [2024-04-05 18:15:13,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 18:15:13,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887512337] [2024-04-05 18:15:13,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 18:15:13,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 18:15:13,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 18:15:14,287 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 18:15:14,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 18:15:14,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887512337] [2024-04-05 18:15:14,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1887512337] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 18:15:14,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [966230343] [2024-04-05 18:15:14,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 18:15:14,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 18:15:14,300 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 18:15:14,338 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) [2024-04-05 18:15:14,362 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-04-05 18:15:14,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 18:15:14,427 INFO L262 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 23 conjunts are in the unsatisfiable core [2024-04-05 18:15:14,432 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 18:15:14,835 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 18:15:14,835 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 18:15:14,919 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-04-05 18:15:14,920 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 24 treesize of output 11 [2024-04-05 18:15:15,598 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 18:15:15,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [966230343] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 18:15:15,599 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 18:15:15,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 13, 12] total 30 [2024-04-05 18:15:15,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514044162] [2024-04-05 18:15:15,599 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 18:15:15,600 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-04-05 18:15:15,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 18:15:15,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-04-05 18:15:15,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=149, Invalid=721, Unknown=0, NotChecked=0, Total=870 [2024-04-05 18:15:15,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 18:15:15,602 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 18:15:15,602 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 6.766666666666667) internal successors, (203), 30 states have internal predecessors, (203), 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) [2024-04-05 18:15:15,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 18:15:15,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 18:15:15,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-05 18:15:15,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 18:15:15,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 18:15:16,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 18:15:16,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 18:15:16,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 18:15:16,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 18:15:16,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-05 18:15:16,448 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-04-05 18:15:16,642 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 18:15:16,642 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-05 18:15:16,643 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 18:15:16,643 INFO L85 PathProgramCache]: Analyzing trace with hash -1262947802, now seen corresponding path program 2 times [2024-04-05 18:15:16,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 18:15:16,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267142699] [2024-04-05 18:15:16,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 18:15:16,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 18:15:16,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 18:15:16,730 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-04-05 18:15:16,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 18:15:16,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1267142699] [2024-04-05 18:15:16,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1267142699] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 18:15:16,735 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-05 18:15:16,735 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-04-05 18:15:16,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821826181] [2024-04-05 18:15:16,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 18:15:16,735 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-04-05 18:15:16,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 18:15:16,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-04-05 18:15:16,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-04-05 18:15:16,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 18:15:16,736 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 18:15:16,736 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 26.75) internal successors, (107), 4 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 18:15:16,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 18:15:16,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 18:15:16,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-05 18:15:16,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 18:15:16,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-04-05 18:15:16,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 18:15:16,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 18:15:16,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 18:15:16,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 18:15:16,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 18:15:16,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-05 18:15:16,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-05 18:15:16,784 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-04-05 18:15:16,785 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-05 18:15:16,785 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 18:15:16,785 INFO L85 PathProgramCache]: Analyzing trace with hash 2132378347, now seen corresponding path program 3 times [2024-04-05 18:15:16,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 18:15:16,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284394966] [2024-04-05 18:15:16,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 18:15:16,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 18:15:16,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 18:15:17,441 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 18:15:17,441 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 18:15:17,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284394966] [2024-04-05 18:15:17,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [284394966] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 18:15:17,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [640388249] [2024-04-05 18:15:17,442 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-05 18:15:17,442 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 18:15:17,442 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 18:15:17,443 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) [2024-04-05 18:15:17,470 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-04-05 18:15:17,540 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-04-05 18:15:17,541 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 18:15:17,542 INFO L262 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 42 conjunts are in the unsatisfiable core [2024-04-05 18:15:17,546 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 18:15:17,889 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2024-04-05 18:15:18,097 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-04-05 18:15:18,135 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-04-05 18:15:18,358 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 8 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 18:15:18,358 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 18:15:18,818 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_108 (Array Int Int)) (v_ArrVal_109 (Array Int Int)) (v_~front~0_103 Int) (~back~0 Int)) (let ((.cse0 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_108) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_109) c_~queue~0.base))) (or (< c_~n~0 (+ ~back~0 1)) (= 5 (select .cse0 (+ c_~queue~0.offset (* v_~front~0_103 4)))) (not (= 5 (select .cse0 (+ c_~queue~0.offset (* ~back~0 4))))) (< ~back~0 v_~front~0_103) (< v_~front~0_103 1)))) is different from false [2024-04-05 18:15:18,870 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_108 (Array Int Int)) (v_ArrVal_109 (Array Int Int)) (v_~front~0_103 Int) (~back~0 Int)) (let ((.cse0 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_108) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_109) |c_ULTIMATE.start_main_#t~ret9#1.base|))) (or (< c_~n~0 (+ ~back~0 1)) (= 5 (select .cse0 (+ (* v_~front~0_103 4) |c_ULTIMATE.start_main_#t~ret9#1.offset|))) (not (= 5 (select .cse0 (+ (* ~back~0 4) |c_ULTIMATE.start_main_#t~ret9#1.offset|)))) (< ~back~0 v_~front~0_103) (< v_~front~0_103 1)))) is different from false [2024-04-05 18:15:19,016 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_108 (Array Int Int)) (v_ArrVal_109 (Array Int Int)) (v_~front~0_103 Int) (~back~0 Int)) (let ((.cse0 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_108) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_109) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|))) (or (< c_~n~0 (+ ~back~0 1)) (not (= 5 (select .cse0 (+ (* ~back~0 4) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)))) (= 5 (select .cse0 (+ (* v_~front~0_103 4) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|))) (< ~back~0 v_~front~0_103) (< v_~front~0_103 1)))) is different from false [2024-04-05 18:15:19,335 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-05 18:15:19,336 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 60 treesize of output 48 [2024-04-05 18:15:19,346 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-04-05 18:15:19,347 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 140 treesize of output 127 [2024-04-05 18:15:19,354 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-04-05 18:15:19,354 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 124 treesize of output 100 [2024-04-05 18:15:19,361 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-04-05 18:15:19,361 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 79 treesize of output 67 [2024-04-05 18:15:19,632 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 18:15:19,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [640388249] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 18:15:19,633 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 18:15:19,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 24, 21] total 57 [2024-04-05 18:15:19,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840322932] [2024-04-05 18:15:19,633 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 18:15:19,634 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 57 states [2024-04-05 18:15:19,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 18:15:19,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2024-04-05 18:15:19,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=342, Invalid=2519, Unknown=13, NotChecked=318, Total=3192 [2024-04-05 18:15:19,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 18:15:19,636 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 18:15:19,636 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 57 states, 57 states have (on average 4.894736842105263) internal successors, (279), 57 states have internal predecessors, (279), 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) [2024-04-05 18:15:19,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 18:15:19,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 18:15:19,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-05 18:15:19,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 18:15:19,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-04-05 18:15:19,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-05 18:15:19,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 18:15:21,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 18:15:21,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 18:15:21,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 18:15:21,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 18:15:21,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-05 18:15:21,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-05 18:15:21,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-05 18:15:21,309 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-04-05 18:15:21,506 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 18:15:21,507 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-05 18:15:21,507 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 18:15:21,508 INFO L85 PathProgramCache]: Analyzing trace with hash -343640691, now seen corresponding path program 4 times [2024-04-05 18:15:21,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 18:15:21,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977325962] [2024-04-05 18:15:21,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 18:15:21,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 18:15:21,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 18:15:22,714 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 18:15:22,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 18:15:22,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977325962] [2024-04-05 18:15:22,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [977325962] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 18:15:22,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1539638765] [2024-04-05 18:15:22,715 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-05 18:15:22,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 18:15:22,715 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 18:15:22,716 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) [2024-04-05 18:15:22,740 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-04-05 18:15:22,791 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-05 18:15:22,791 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 18:15:22,792 INFO L262 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 37 conjunts are in the unsatisfiable core [2024-04-05 18:15:22,802 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 18:15:23,315 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 4 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 18:15:23,315 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 18:15:23,369 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-04-05 18:15:23,369 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 24 treesize of output 11 [2024-04-05 18:15:24,268 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 4 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 18:15:24,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1539638765] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 18:15:24,269 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 18:15:24,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 19, 19] total 49 [2024-04-05 18:15:24,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809793901] [2024-04-05 18:15:24,269 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 18:15:24,270 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2024-04-05 18:15:24,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 18:15:24,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2024-04-05 18:15:24,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=450, Invalid=1902, Unknown=0, NotChecked=0, Total=2352 [2024-04-05 18:15:24,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 18:15:24,271 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 18:15:24,272 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 49 states have (on average 5.612244897959184) internal successors, (275), 49 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) [2024-04-05 18:15:24,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 18:15:24,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 18:15:24,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-05 18:15:24,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 18:15:24,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-04-05 18:15:24,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-05 18:15:24,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-05 18:15:24,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 18:15:25,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 18:15:25,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 18:15:25,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 18:15:25,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 18:15:25,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-05 18:15:25,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-05 18:15:25,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-05 18:15:25,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-04-05 18:15:25,723 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-04-05 18:15:25,916 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 18:15:25,916 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-05 18:15:25,917 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 18:15:25,917 INFO L85 PathProgramCache]: Analyzing trace with hash -566017447, now seen corresponding path program 5 times [2024-04-05 18:15:25,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 18:15:25,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501922588] [2024-04-05 18:15:25,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 18:15:25,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 18:15:25,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 18:15:26,977 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 4 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 18:15:26,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 18:15:26,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [501922588] [2024-04-05 18:15:26,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [501922588] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 18:15:26,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1820529886] [2024-04-05 18:15:26,977 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-05 18:15:26,977 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 18:15:26,977 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 18:15:26,978 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) [2024-04-05 18:15:26,981 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-04-05 18:15:27,063 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2024-04-05 18:15:27,063 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 18:15:27,065 INFO L262 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 49 conjunts are in the unsatisfiable core [2024-04-05 18:15:27,067 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 18:15:28,095 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-05 18:15:28,097 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-05 18:15:28,097 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 19 treesize of output 10 [2024-04-05 18:15:28,107 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 23 proven. 93 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 18:15:28,107 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 18:15:28,191 INFO L349 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2024-04-05 18:15:28,192 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 25 treesize of output 13 [2024-04-05 18:15:28,998 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 4 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 18:15:28,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1820529886] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 18:15:28,999 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 18:15:28,999 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 29, 24] total 73 [2024-04-05 18:15:28,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124750183] [2024-04-05 18:15:28,999 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 18:15:29,000 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 73 states [2024-04-05 18:15:29,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 18:15:29,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2024-04-05 18:15:29,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=583, Invalid=4673, Unknown=0, NotChecked=0, Total=5256 [2024-04-05 18:15:29,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 18:15:29,002 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 18:15:29,003 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 73 states, 73 states have (on average 5.191780821917808) internal successors, (379), 73 states have internal predecessors, (379), 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) [2024-04-05 18:15:29,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 18:15:29,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 18:15:29,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-05 18:15:29,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 18:15:29,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-04-05 18:15:29,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-05 18:15:29,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-05 18:15:29,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-04-05 18:15:29,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 18:15:30,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 18:15:30,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 18:15:30,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 18:15:30,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 18:15:30,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-05 18:15:30,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-05 18:15:30,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-05 18:15:30,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-04-05 18:15:30,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-04-05 18:15:30,530 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-04-05 18:15:30,719 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,SelfDestructingSolverStorable8 [2024-04-05 18:15:30,720 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-05 18:15:30,720 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 18:15:30,720 INFO L85 PathProgramCache]: Analyzing trace with hash -1259655941, now seen corresponding path program 6 times [2024-04-05 18:15:30,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 18:15:30,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705210406] [2024-04-05 18:15:30,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 18:15:30,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 18:15:30,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 18:15:32,144 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 3 proven. 146 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 18:15:32,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 18:15:32,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705210406] [2024-04-05 18:15:32,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [705210406] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 18:15:32,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1367439784] [2024-04-05 18:15:32,145 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-04-05 18:15:32,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 18:15:32,145 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 18:15:32,146 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) [2024-04-05 18:15:32,168 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-04-05 18:15:32,527 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2024-04-05 18:15:32,528 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 18:15:32,529 INFO L262 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 17 conjunts are in the unsatisfiable core [2024-04-05 18:15:32,531 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 18:15:32,794 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 14 proven. 28 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2024-04-05 18:15:32,794 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 18:15:32,928 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-04-05 18:15:32,928 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 11 [2024-04-05 18:15:33,303 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-04-05 18:15:33,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1367439784] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 18:15:33,303 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 18:15:33,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 9, 13] total 44 [2024-04-05 18:15:33,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964576558] [2024-04-05 18:15:33,304 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 18:15:33,306 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2024-04-05 18:15:33,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 18:15:33,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2024-04-05 18:15:33,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=270, Invalid=1622, Unknown=0, NotChecked=0, Total=1892 [2024-04-05 18:15:33,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 18:15:33,311 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 18:15:33,312 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 44 states have (on average 7.386363636363637) internal successors, (325), 44 states have internal predecessors, (325), 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) [2024-04-05 18:15:33,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 18:15:33,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 18:15:33,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-05 18:15:33,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 18:15:33,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-04-05 18:15:33,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-05 18:15:33,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-05 18:15:33,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-04-05 18:15:33,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-04-05 18:15:33,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 18:15:35,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 18:15:35,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 18:15:35,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 18:15:35,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 18:15:35,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-05 18:15:35,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-05 18:15:35,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-05 18:15:35,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-04-05 18:15:35,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-04-05 18:15:35,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-04-05 18:15:35,484 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-04-05 18:15:35,677 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,SelfDestructingSolverStorable9 [2024-04-05 18:15:35,677 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-05 18:15:35,678 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 18:15:35,678 INFO L85 PathProgramCache]: Analyzing trace with hash -294828865, now seen corresponding path program 7 times [2024-04-05 18:15:35,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 18:15:35,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467643022] [2024-04-05 18:15:35,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 18:15:35,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 18:15:35,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 18:15:37,335 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 130 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 18:15:37,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 18:15:37,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467643022] [2024-04-05 18:15:37,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [467643022] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 18:15:37,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [657145937] [2024-04-05 18:15:37,335 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-04-05 18:15:37,335 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 18:15:37,336 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 18:15:37,337 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) [2024-04-05 18:15:37,339 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-04-05 18:15:37,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 18:15:37,508 INFO L262 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 57 conjunts are in the unsatisfiable core [2024-04-05 18:15:37,511 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 18:15:37,513 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-04-05 18:15:37,610 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-04-05 18:15:37,611 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2024-04-05 18:15:38,407 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 15 [2024-04-05 18:15:38,543 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 130 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 18:15:38,543 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 18:15:38,724 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-05 18:15:38,724 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 42 treesize of output 34 [2024-04-05 18:15:38,732 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2024-04-05 18:15:40,735 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 130 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 18:15:40,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [657145937] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 18:15:40,736 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 18:15:40,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 30, 30] total 74 [2024-04-05 18:15:40,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817796914] [2024-04-05 18:15:40,736 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 18:15:40,737 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 74 states [2024-04-05 18:15:40,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 18:15:40,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 74 interpolants. [2024-04-05 18:15:40,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=708, Invalid=4694, Unknown=0, NotChecked=0, Total=5402 [2024-04-05 18:15:40,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 18:15:40,739 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 18:15:40,739 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 74 states, 74 states have (on average 4.716216216216216) internal successors, (349), 74 states have internal predecessors, (349), 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) [2024-04-05 18:15:40,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 18:15:40,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 18:15:40,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-05 18:15:40,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 18:15:40,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-04-05 18:15:40,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-05 18:15:40,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-05 18:15:40,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-04-05 18:15:40,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-04-05 18:15:40,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-04-05 18:15:40,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 18:15:53,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 18:15:53,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 18:15:53,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 18:15:53,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 18:15:53,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-04-05 18:15:53,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-05 18:15:53,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2024-04-05 18:15:53,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2024-04-05 18:15:53,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2024-04-05 18:15:53,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-04-05 18:15:53,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2024-04-05 18:15:53,877 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2024-04-05 18:15:53,877 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2024-04-05 18:15:53,877 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-04-05 18:15:53,892 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-04-05 18:15:54,092 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,SelfDestructingSolverStorable10 [2024-04-05 18:15:54,098 INFO L445 BasicCegarLoop]: Path program histogram: [7, 1, 1, 1, 1] [2024-04-05 18:15:54,100 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-04-05 18:15:54,100 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-04-05 18:15:54,105 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.04 06:15:54 BasicIcfg [2024-04-05 18:15:54,105 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-04-05 18:15:54,106 INFO L158 Benchmark]: Toolchain (without parser) took 42690.04ms. Allocated memory was 168.8MB in the beginning and 1.0GB in the end (delta: 880.8MB). Free memory was 102.8MB in the beginning and 478.3MB in the end (delta: -375.5MB). Peak memory consumption was 505.6MB. Max. memory is 8.0GB. [2024-04-05 18:15:54,106 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 168.8MB. Free memory is still 99.3MB. There was no memory consumed. Max. memory is 8.0GB. [2024-04-05 18:15:54,106 INFO L158 Benchmark]: CACSL2BoogieTranslator took 187.41ms. Allocated memory is still 168.8MB. Free memory was 102.5MB in the beginning and 91.0MB in the end (delta: 11.6MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2024-04-05 18:15:54,106 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.51ms. Allocated memory is still 168.8MB. Free memory was 91.0MB in the beginning and 89.0MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-04-05 18:15:54,106 INFO L158 Benchmark]: Boogie Preprocessor took 17.43ms. Allocated memory is still 168.8MB. Free memory was 89.0MB in the beginning and 87.5MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-04-05 18:15:54,107 INFO L158 Benchmark]: RCFGBuilder took 450.64ms. Allocated memory was 168.8MB in the beginning and 255.9MB in the end (delta: 87.0MB). Free memory was 87.5MB in the beginning and 208.5MB in the end (delta: -121.0MB). Peak memory consumption was 7.8MB. Max. memory is 8.0GB. [2024-04-05 18:15:54,107 INFO L158 Benchmark]: TraceAbstraction took 42002.00ms. Allocated memory was 255.9MB in the beginning and 1.0GB in the end (delta: 793.8MB). Free memory was 206.9MB in the beginning and 478.3MB in the end (delta: -271.4MB). Peak memory consumption was 522.9MB. Max. memory is 8.0GB. [2024-04-05 18:15:54,110 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 168.8MB. Free memory is still 99.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 187.41ms. Allocated memory is still 168.8MB. Free memory was 102.5MB in the beginning and 91.0MB in the end (delta: 11.6MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 26.51ms. Allocated memory is still 168.8MB. Free memory was 91.0MB in the beginning and 89.0MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 17.43ms. Allocated memory is still 168.8MB. Free memory was 89.0MB in the beginning and 87.5MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 450.64ms. Allocated memory was 168.8MB in the beginning and 255.9MB in the end (delta: 87.0MB). Free memory was 87.5MB in the beginning and 208.5MB in the end (delta: -121.0MB). Peak memory consumption was 7.8MB. Max. memory is 8.0GB. * TraceAbstraction took 42002.00ms. Allocated memory was 255.9MB in the beginning and 1.0GB in the end (delta: 793.8MB). Free memory was 206.9MB in the beginning and 478.3MB in the end (delta: -271.4MB). Peak memory consumption was 522.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 160210, independent: 144184, independent conditional: 144086, independent unconditional: 98, dependent: 16026, dependent conditional: 15982, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 144550, independent: 144184, independent conditional: 144086, independent unconditional: 98, dependent: 366, dependent conditional: 366, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 144550, independent: 144184, independent conditional: 144086, independent unconditional: 98, dependent: 366, dependent conditional: 366, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 144550, independent: 144184, independent conditional: 144086, independent unconditional: 98, dependent: 366, dependent conditional: 366, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 148046, independent: 144184, independent conditional: 3704, independent unconditional: 140480, dependent: 3862, dependent conditional: 2770, dependent unconditional: 1092, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 148046, independent: 144184, independent conditional: 876, independent unconditional: 143308, dependent: 3862, dependent conditional: 2272, dependent unconditional: 1590, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 148046, independent: 144184, independent conditional: 876, independent unconditional: 143308, dependent: 3862, dependent conditional: 2272, dependent unconditional: 1590, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 366, independent: 335, independent conditional: 14, independent unconditional: 321, dependent: 31, dependent conditional: 29, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 366, independent: 321, independent conditional: 0, independent unconditional: 321, dependent: 45, dependent conditional: 0, dependent unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 45, independent: 14, independent conditional: 13, independent unconditional: 1, dependent: 31, dependent conditional: 29, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 45, independent: 14, independent conditional: 13, independent unconditional: 1, dependent: 31, dependent conditional: 29, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 175, independent: 39, independent conditional: 37, independent unconditional: 2, dependent: 136, dependent conditional: 106, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 148046, independent: 143849, independent conditional: 862, independent unconditional: 142987, dependent: 3831, dependent conditional: 2243, dependent unconditional: 1588, unknown: 366, unknown conditional: 43, unknown unconditional: 323] , Statistics on independence cache: Total cache size (in pairs): 366, Positive cache size: 335, Positive conditional cache size: 14, Positive unconditional cache size: 321, Negative cache size: 31, Negative conditional cache size: 29, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 3326, Maximal queried relation: 8, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 148046, independent: 144184, independent conditional: 3704, independent unconditional: 140480, dependent: 3862, dependent conditional: 2770, dependent unconditional: 1092, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 148046, independent: 144184, independent conditional: 876, independent unconditional: 143308, dependent: 3862, dependent conditional: 2272, dependent unconditional: 1590, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 148046, independent: 144184, independent conditional: 876, independent unconditional: 143308, dependent: 3862, dependent conditional: 2272, dependent unconditional: 1590, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 366, independent: 335, independent conditional: 14, independent unconditional: 321, dependent: 31, dependent conditional: 29, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 366, independent: 321, independent conditional: 0, independent unconditional: 321, dependent: 45, dependent conditional: 0, dependent unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 45, independent: 14, independent conditional: 13, independent unconditional: 1, dependent: 31, dependent conditional: 29, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 45, independent: 14, independent conditional: 13, independent unconditional: 1, dependent: 31, dependent conditional: 29, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 175, independent: 39, independent conditional: 37, independent unconditional: 2, dependent: 136, dependent conditional: 106, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 148046, independent: 143849, independent conditional: 862, independent unconditional: 142987, dependent: 3831, dependent conditional: 2243, dependent unconditional: 1588, unknown: 366, unknown conditional: 43, unknown unconditional: 323] , Statistics on independence cache: Total cache size (in pairs): 366, Positive cache size: 335, Positive conditional cache size: 14, Positive unconditional cache size: 321, Negative cache size: 31, Negative conditional cache size: 29, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 3326 ], Independence queries for same thread: 15660 - PositiveResult [Line: 86]: 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, 132 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 41.9s, OverallIterations: 11, TraceHistogramMax: 0, PathProgramHistogramMax: 7, EmptinessCheckTime: 21.2s, 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: 464, 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, 0.9s SatisfiabilityAnalysisTime, 17.8s InterpolantComputationTime, 2099 NumberOfCodeBlocks, 2082 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 2884 ConstructedInterpolants, 86 QuantifiedInterpolants, 27371 SizeOfPredicates, 140 NumberOfNonLiveVariables, 1668 ConjunctsInSsa, 225 ConjunctsInUnsatCore, 23 InterpolantComputations, 5 PerfectInterpolantSequences, 282/1433 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! [2024-04-05 18:15:54,127 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 [2024-04-05 18:15:54,331 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...