/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 RANDOM --traceabstraction.probability.for.random.criterion 20 --traceabstraction.seed.for.random.criterion 546 --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 10 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-bad-counter-queue2.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-17da818-m [2024-05-07 18:54:13,979 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-07 18:54:14,018 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-05-07 18:54:14,021 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-07 18:54:14,022 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-07 18:54:14,035 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-07 18:54:14,035 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-07 18:54:14,036 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-07 18:54:14,036 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-07 18:54:14,036 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-07 18:54:14,037 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-07 18:54:14,037 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-07 18:54:14,037 INFO L153 SettingsManager]: * Use SBE=true [2024-05-07 18:54:14,037 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-07 18:54:14,038 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-07 18:54:14,038 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-07 18:54:14,038 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-07 18:54:14,038 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-07 18:54:14,039 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-07 18:54:14,039 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-07 18:54:14,039 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-07 18:54:14,039 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-07 18:54:14,040 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-07 18:54:14,040 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-07 18:54:14,040 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-07 18:54:14,040 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-07 18:54:14,040 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-07 18:54:14,041 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-07 18:54:14,041 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-07 18:54:14,041 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-07 18:54:14,041 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-07 18:54:14,042 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-07 18:54:14,042 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-07 18:54:14,042 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-07 18:54:14,042 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-05-07 18:54:14,042 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-05-07 18:54:14,043 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-07 18:54:14,043 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-07 18:54:14,043 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-07 18:54:14,043 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> RANDOM Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: probability for random criterion as percentage -> 20 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: seed for random criterion -> 546 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 10 [2024-05-07 18:54:14,262 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-07 18:54:14,290 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-07 18:54:14,292 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-07 18:54:14,293 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-07 18:54:14,293 INFO L274 PluginConnector]: CDTParser initialized [2024-05-07 18:54:14,294 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-bad-counter-queue2.wvr.c [2024-05-07 18:54:15,322 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-07 18:54:15,472 INFO L384 CDTParser]: Found 1 translation units. [2024-05-07 18:54:15,473 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-counter-queue2.wvr.c [2024-05-07 18:54:15,478 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/39371bc9a/a0a4fd519af64cc291ab798308d513ae/FLAG953e97dc8 [2024-05-07 18:54:15,489 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/39371bc9a/a0a4fd519af64cc291ab798308d513ae [2024-05-07 18:54:15,491 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-07 18:54:15,492 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-07 18:54:15,493 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-07 18:54:15,493 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-07 18:54:15,496 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-07 18:54:15,497 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.05 06:54:15" (1/1) ... [2024-05-07 18:54:15,497 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1306c57a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 06:54:15, skipping insertion in model container [2024-05-07 18:54:15,498 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.05 06:54:15" (1/1) ... [2024-05-07 18:54:15,515 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-07 18:54:15,637 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-bad-counter-queue2.wvr.c[2271,2284] [2024-05-07 18:54:15,649 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-07 18:54:15,655 INFO L202 MainTranslator]: Completed pre-run [2024-05-07 18:54:15,671 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-bad-counter-queue2.wvr.c[2271,2284] [2024-05-07 18:54:15,677 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-07 18:54:15,685 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-05-07 18:54:15,685 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-05-07 18:54:15,690 INFO L206 MainTranslator]: Completed translation [2024-05-07 18:54:15,691 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 06:54:15 WrapperNode [2024-05-07 18:54:15,691 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-07 18:54:15,692 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-07 18:54:15,692 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-07 18:54:15,692 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-07 18:54:15,697 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 06:54:15" (1/1) ... [2024-05-07 18:54:15,703 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 06:54:15" (1/1) ... [2024-05-07 18:54:15,725 INFO L138 Inliner]: procedures = 26, calls = 36, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 142 [2024-05-07 18:54:15,725 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-07 18:54:15,725 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-07 18:54:15,726 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-07 18:54:15,726 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-07 18:54:15,732 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 06:54:15" (1/1) ... [2024-05-07 18:54:15,732 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 06:54:15" (1/1) ... [2024-05-07 18:54:15,734 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 06:54:15" (1/1) ... [2024-05-07 18:54:15,734 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 06:54:15" (1/1) ... [2024-05-07 18:54:15,741 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 06:54:15" (1/1) ... [2024-05-07 18:54:15,744 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 06:54:15" (1/1) ... [2024-05-07 18:54:15,745 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 06:54:15" (1/1) ... [2024-05-07 18:54:15,746 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 06:54:15" (1/1) ... [2024-05-07 18:54:15,747 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-07 18:54:15,748 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-07 18:54:15,748 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-07 18:54:15,748 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-07 18:54:15,749 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 06:54:15" (1/1) ... [2024-05-07 18:54:15,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-07 18:54:15,765 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 18:54:15,778 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-05-07 18:54:15,789 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-05-07 18:54:15,838 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-07 18:54:15,838 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-07 18:54:15,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-07 18:54:15,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-05-07 18:54:15,838 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-05-07 18:54:15,839 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-05-07 18:54:15,839 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-05-07 18:54:15,839 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-05-07 18:54:15,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-07 18:54:15,839 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-05-07 18:54:15,839 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-05-07 18:54:15,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-05-07 18:54:15,841 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-07 18:54:15,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-07 18:54:15,841 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-07 18:54:15,842 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-05-07 18:54:15,927 INFO L241 CfgBuilder]: Building ICFG [2024-05-07 18:54:15,929 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-07 18:54:16,151 INFO L282 CfgBuilder]: Performing block encoding [2024-05-07 18:54:16,249 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-07 18:54:16,249 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2024-05-07 18:54:16,250 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 06:54:16 BoogieIcfgContainer [2024-05-07 18:54:16,251 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-07 18:54:16,257 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-07 18:54:16,257 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-07 18:54:16,259 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-07 18:54:16,259 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.05 06:54:15" (1/3) ... [2024-05-07 18:54:16,260 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51fd96d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.05 06:54:16, skipping insertion in model container [2024-05-07 18:54:16,261 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 06:54:15" (2/3) ... [2024-05-07 18:54:16,261 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51fd96d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.05 06:54:16, skipping insertion in model container [2024-05-07 18:54:16,262 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 06:54:16" (3/3) ... [2024-05-07 18:54:16,262 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-bad-counter-queue2.wvr.c [2024-05-07 18:54:16,269 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-07 18:54:16,276 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-07 18:54:16,277 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-07 18:54:16,277 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-07 18:54:16,316 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-05-07 18:54:16,345 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-07 18:54:16,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-07 18:54:16,345 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 18:54:16,348 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-05-07 18:54:16,349 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-05-07 18:54:16,371 INFO L188 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-07 18:54:16,383 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 18:54:16,385 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-05-07 18:54:16,390 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;@3823a17d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=RANDOM, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=10, mConComCheckerRandomProb=20, mConComCheckerRandomSeed=546, mConComCheckerConditionCriterion=false [2024-05-07 18:54:16,390 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-05-07 18:54:16,503 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-07 18:54:16,507 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 18:54:16,507 INFO L85 PathProgramCache]: Analyzing trace with hash -1044578386, now seen corresponding path program 1 times [2024-05-07 18:54:16,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 18:54:16,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963923262] [2024-05-07 18:54:16,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 18:54:16,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 18:54:16,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:54:16,763 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-07 18:54:16,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 18:54:16,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963923262] [2024-05-07 18:54:16,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1963923262] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-07 18:54:16,765 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-07 18:54:16,765 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-07 18:54:16,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774551647] [2024-05-07 18:54:16,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-07 18:54:16,771 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-05-07 18:54:16,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 18:54:16,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-07 18:54:16,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-05-07 18:54:16,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 18:54:16,788 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 18:54:16,789 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 44.0) internal successors, (88), 2 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-07 18:54:16,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 18:54:16,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 18:54:16,838 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-07 18:54:16,838 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-07 18:54:16,839 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 18:54:16,839 INFO L85 PathProgramCache]: Analyzing trace with hash 1371135512, now seen corresponding path program 1 times [2024-05-07 18:54:16,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 18:54:16,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644122054] [2024-05-07 18:54:16,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 18:54:16,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 18:54:16,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:54:17,122 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 18:54:17,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 18:54:17,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1644122054] [2024-05-07 18:54:17,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1644122054] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-07 18:54:17,123 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-07 18:54:17,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-05-07 18:54:17,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176174626] [2024-05-07 18:54:17,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-07 18:54:17,124 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-05-07 18:54:17,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 18:54:17,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-05-07 18:54:17,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-05-07 18:54:17,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 18:54:17,126 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 18:54:17,126 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 7 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-07 18:54:17,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 18:54:17,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 18:54:17,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 18:54:17,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-07 18:54:17,251 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-05-07 18:54:17,251 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-07 18:54:17,251 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 18:54:17,252 INFO L85 PathProgramCache]: Analyzing trace with hash -1519199792, now seen corresponding path program 1 times [2024-05-07 18:54:17,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 18:54:17,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747052660] [2024-05-07 18:54:17,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 18:54:17,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 18:54:17,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:54:17,433 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 18:54:17,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 18:54:17,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1747052660] [2024-05-07 18:54:17,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1747052660] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 18:54:17,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1949619136] [2024-05-07 18:54:17,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 18:54:17,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 18:54:17,435 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 18:54:17,466 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-07 18:54:17,476 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-05-07 18:54:17,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:54:17,553 INFO L262 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 6 conjunts are in the unsatisfiable core [2024-05-07 18:54:17,560 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 18:54:17,706 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 18:54:17,706 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 18:54:17,860 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 18:54:17,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1949619136] provided 1 perfect and 1 imperfect interpolant sequences [2024-05-07 18:54:17,861 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-05-07 18:54:17,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8, 7] total 14 [2024-05-07 18:54:17,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118672327] [2024-05-07 18:54:17,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-07 18:54:17,861 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-05-07 18:54:17,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 18:54:17,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-05-07 18:54:17,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2024-05-07 18:54:17,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 18:54:17,862 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 18:54:17,862 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-07 18:54:17,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 18:54:17,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-07 18:54:17,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 18:54:17,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 18:54:17,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-07 18:54:17,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-07 18:54:17,969 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-05-07 18:54:18,166 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-05-07 18:54:18,166 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-07 18:54:18,167 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 18:54:18,167 INFO L85 PathProgramCache]: Analyzing trace with hash 1990430917, now seen corresponding path program 1 times [2024-05-07 18:54:18,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 18:54:18,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190114310] [2024-05-07 18:54:18,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 18:54:18,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 18:54:18,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:54:18,416 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 18:54:18,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 18:54:18,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190114310] [2024-05-07 18:54:18,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [190114310] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 18:54:18,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1472206667] [2024-05-07 18:54:18,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 18:54:18,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 18:54:18,421 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 18:54:18,430 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-07 18:54:18,455 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-05-07 18:54:18,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:54:18,512 INFO L262 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 10 conjunts are in the unsatisfiable core [2024-05-07 18:54:18,515 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 18:54:18,688 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 18:54:18,688 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 18:54:18,867 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 18:54:18,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1472206667] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 18:54:18,867 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 18:54:18,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 24 [2024-05-07 18:54:18,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83637442] [2024-05-07 18:54:18,868 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 18:54:18,869 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-05-07 18:54:18,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 18:54:18,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-05-07 18:54:18,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=434, Unknown=0, NotChecked=0, Total=552 [2024-05-07 18:54:18,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 18:54:18,871 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 18:54:18,871 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 7.458333333333333) internal successors, (179), 24 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-07 18:54:18,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 18:54:18,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-07 18:54:18,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-07 18:54:18,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 18:54:19,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 18:54:19,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-07 18:54:19,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-07 18:54:19,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-07 18:54:19,110 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-05-07 18:54:19,307 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 18:54:19,308 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-07 18:54:19,308 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 18:54:19,309 INFO L85 PathProgramCache]: Analyzing trace with hash 749342333, now seen corresponding path program 2 times [2024-05-07 18:54:19,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 18:54:19,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563964660] [2024-05-07 18:54:19,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 18:54:19,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 18:54:19,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:54:19,494 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 18:54:19,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 18:54:19,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1563964660] [2024-05-07 18:54:19,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1563964660] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 18:54:19,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [568671344] [2024-05-07 18:54:19,495 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-07 18:54:19,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 18:54:19,495 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 18:54:19,496 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-07 18:54:19,500 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-05-07 18:54:19,582 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-07 18:54:19,582 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 18:54:19,583 INFO L262 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 8 conjunts are in the unsatisfiable core [2024-05-07 18:54:19,592 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 18:54:19,692 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-05-07 18:54:19,693 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 18:54:19,764 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-05-07 18:54:19,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [568671344] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 18:54:19,764 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 18:54:19,764 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9, 8] total 22 [2024-05-07 18:54:19,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468633837] [2024-05-07 18:54:19,764 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 18:54:19,765 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-05-07 18:54:19,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 18:54:19,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-05-07 18:54:19,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=400, Unknown=0, NotChecked=0, Total=462 [2024-05-07 18:54:19,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 18:54:19,766 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 18:54:19,766 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 8.772727272727273) internal successors, (193), 22 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-07 18:54:19,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 18:54:19,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-07 18:54:19,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-07 18:54:19,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-07 18:54:19,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 18:54:20,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 18:54:20,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-07 18:54:20,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-07 18:54:20,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-07 18:54:20,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-05-07 18:54:20,615 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-05-07 18:54:20,812 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 18:54:20,813 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-07 18:54:20,813 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 18:54:20,813 INFO L85 PathProgramCache]: Analyzing trace with hash 1226136114, now seen corresponding path program 3 times [2024-05-07 18:54:20,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 18:54:20,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872647246] [2024-05-07 18:54:20,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 18:54:20,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 18:54:20,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:54:21,104 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 52 proven. 15 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-05-07 18:54:21,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 18:54:21,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872647246] [2024-05-07 18:54:21,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1872647246] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 18:54:21,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [57710041] [2024-05-07 18:54:21,104 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-07 18:54:21,104 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 18:54:21,105 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 18:54:21,106 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-07 18:54:21,132 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-05-07 18:54:21,269 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-05-07 18:54:21,269 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 18:54:21,271 INFO L262 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 14 conjunts are in the unsatisfiable core [2024-05-07 18:54:21,273 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 18:54:21,526 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 66 proven. 10 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-05-07 18:54:21,526 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 18:54:21,801 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 66 proven. 10 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-05-07 18:54:21,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [57710041] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 18:54:21,802 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 18:54:21,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 37 [2024-05-07 18:54:21,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003021823] [2024-05-07 18:54:21,802 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 18:54:21,802 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-05-07 18:54:21,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 18:54:21,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-05-07 18:54:21,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=210, Invalid=1122, Unknown=0, NotChecked=0, Total=1332 [2024-05-07 18:54:21,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 18:54:21,804 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 18:54:21,804 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 6.72972972972973) internal successors, (249), 37 states have internal predecessors, (249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-07 18:54:21,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 18:54:21,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-07 18:54:21,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-07 18:54:21,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-07 18:54:21,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-05-07 18:54:21,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 18:54:22,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 18:54:22,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-07 18:54:22,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-07 18:54:22,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-07 18:54:22,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-05-07 18:54:22,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-07 18:54:22,169 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-05-07 18:54:22,362 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-05-07 18:54:22,363 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-07 18:54:22,363 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 18:54:22,363 INFO L85 PathProgramCache]: Analyzing trace with hash 1567060858, now seen corresponding path program 4 times [2024-05-07 18:54:22,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 18:54:22,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994479430] [2024-05-07 18:54:22,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 18:54:22,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 18:54:22,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:54:22,723 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 60 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 18:54:22,723 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 18:54:22,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994479430] [2024-05-07 18:54:22,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [994479430] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 18:54:22,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2139646771] [2024-05-07 18:54:22,723 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-07 18:54:22,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 18:54:22,724 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 18:54:22,725 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-07 18:54:22,749 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-05-07 18:54:22,807 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-07 18:54:22,808 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 18:54:22,809 INFO L262 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 18 conjunts are in the unsatisfiable core [2024-05-07 18:54:22,811 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 18:54:23,215 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 68 proven. 27 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-05-07 18:54:23,216 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 18:54:23,547 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 68 proven. 27 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-05-07 18:54:23,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2139646771] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 18:54:23,549 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 18:54:23,549 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 19, 19] total 46 [2024-05-07 18:54:23,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341650913] [2024-05-07 18:54:23,549 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 18:54:23,550 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2024-05-07 18:54:23,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 18:54:23,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2024-05-07 18:54:23,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=333, Invalid=1737, Unknown=0, NotChecked=0, Total=2070 [2024-05-07 18:54:23,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 18:54:23,551 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 18:54:23,552 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 46 states have (on average 6.043478260869565) internal successors, (278), 46 states have internal predecessors, (278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-07 18:54:23,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 18:54:23,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-07 18:54:23,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-07 18:54:23,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-07 18:54:23,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-05-07 18:54:23,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-07 18:54:23,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 18:54:23,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 18:54:23,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-07 18:54:23,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-07 18:54:23,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-07 18:54:23,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-05-07 18:54:23,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-07 18:54:23,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-07 18:54:23,929 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-05-07 18:54:24,129 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 18:54:24,130 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-07 18:54:24,130 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 18:54:24,130 INFO L85 PathProgramCache]: Analyzing trace with hash 1641006274, now seen corresponding path program 5 times [2024-05-07 18:54:24,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 18:54:24,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549321534] [2024-05-07 18:54:24,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 18:54:24,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 18:54:24,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:54:24,468 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 36 proven. 86 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-05-07 18:54:24,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 18:54:24,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549321534] [2024-05-07 18:54:24,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1549321534] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 18:54:24,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [470840412] [2024-05-07 18:54:24,469 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-05-07 18:54:24,469 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 18:54:24,469 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 18:54:24,470 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-07 18:54:24,495 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-05-07 18:54:24,567 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2024-05-07 18:54:24,567 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 18:54:24,569 INFO L262 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 18 conjunts are in the unsatisfiable core [2024-05-07 18:54:24,570 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 18:54:24,918 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 23 proven. 50 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-05-07 18:54:24,919 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 18:54:25,074 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 27 proven. 4 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2024-05-07 18:54:25,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [470840412] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 18:54:25,075 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 18:54:25,075 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 8] total 42 [2024-05-07 18:54:25,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909760548] [2024-05-07 18:54:25,075 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 18:54:25,075 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2024-05-07 18:54:25,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 18:54:25,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2024-05-07 18:54:25,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=1567, Unknown=0, NotChecked=0, Total=1722 [2024-05-07 18:54:25,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 18:54:25,077 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 18:54:25,077 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 6.404761904761905) internal successors, (269), 42 states have internal predecessors, (269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-07 18:54:25,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 18:54:25,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-07 18:54:25,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-07 18:54:25,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-07 18:54:25,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-05-07 18:54:25,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-07 18:54:25,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-07 18:54:25,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 18:54:27,392 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-07 18:54:27,393 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 96 treesize of output 40 [2024-05-07 18:54:37,681 WARN L293 SmtUtils]: Spent 8.03s on a formula simplification. DAG size of input: 25 DAG size of output: 21 (called from [L 210] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.abduction.Abducer.solveAbductionProblem) [2024-05-07 18:54:37,689 INFO L85 PathProgramCache]: Analyzing trace with hash -1640664664, now seen corresponding path program 1 times [2024-05-07 18:54:37,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 18:54:37,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 18:54:37,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:54:38,693 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 88 proven. 104 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 18:54:38,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 18:54:38,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 18:54:38,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:54:39,120 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 88 proven. 104 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 18:54:39,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 18:54:39,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-07 18:54:39,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-07 18:54:39,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-07 18:54:39,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-05-07 18:54:39,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-07 18:54:39,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-07 18:54:39,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2024-05-07 18:54:39,224 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-05-07 18:54:39,424 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,SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,SelfDestructingSolverStorable9 [2024-05-07 18:54:39,424 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-07 18:54:39,425 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 18:54:39,425 INFO L85 PathProgramCache]: Analyzing trace with hash 649698186, now seen corresponding path program 6 times [2024-05-07 18:54:39,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 18:54:39,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018366241] [2024-05-07 18:54:39,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 18:54:39,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 18:54:39,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:54:39,887 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 178 proven. 65 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-05-07 18:54:39,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 18:54:39,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1018366241] [2024-05-07 18:54:39,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1018366241] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 18:54:39,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [862591272] [2024-05-07 18:54:39,889 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-05-07 18:54:39,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 18:54:39,890 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 18:54:39,891 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-07 18:54:39,893 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-05-07 18:54:40,061 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2024-05-07 18:54:40,062 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 18:54:40,064 INFO L262 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 24 conjunts are in the unsatisfiable core [2024-05-07 18:54:40,066 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 18:54:40,599 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 214 proven. 52 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-05-07 18:54:40,599 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 18:54:41,252 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 214 proven. 52 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-05-07 18:54:41,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [862591272] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 18:54:41,253 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 18:54:41,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 25, 25] total 66 [2024-05-07 18:54:41,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876394398] [2024-05-07 18:54:41,253 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 18:54:41,254 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 66 states [2024-05-07 18:54:41,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 18:54:41,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2024-05-07 18:54:41,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=593, Invalid=3697, Unknown=0, NotChecked=0, Total=4290 [2024-05-07 18:54:41,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 18:54:41,256 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 18:54:41,256 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 66 states, 66 states have (on average 5.863636363636363) internal successors, (387), 66 states have internal predecessors, (387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-07 18:54:41,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 18:54:41,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-07 18:54:41,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-07 18:54:41,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-07 18:54:41,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-05-07 18:54:41,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-07 18:54:41,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-07 18:54:41,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2024-05-07 18:54:41,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 18:54:42,045 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-07 18:54:42,046 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 96 treesize of output 40 [2024-05-07 18:54:48,641 INFO L85 PathProgramCache]: Analyzing trace with hash -1105455618, now seen corresponding path program 2 times [2024-05-07 18:54:48,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 18:54:48,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 18:54:48,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:54:49,777 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 143 proven. 189 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 18:54:49,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 18:54:49,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 18:54:49,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:54:50,285 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 143 proven. 189 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 18:54:50,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 18:54:50,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-07 18:54:50,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-07 18:54:50,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-07 18:54:50,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-05-07 18:54:50,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-07 18:54:50,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-07 18:54:50,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2024-05-07 18:54:50,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-07 18:54:50,356 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-05-07 18:54:50,547 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,SelfDestructingSolverStorable11,SelfDestructingSolverStorable12,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 18:54:50,548 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-07 18:54:50,548 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 18:54:50,548 INFO L85 PathProgramCache]: Analyzing trace with hash -1300231654, now seen corresponding path program 7 times [2024-05-07 18:54:50,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 18:54:50,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045601622] [2024-05-07 18:54:50,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 18:54:50,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 18:54:50,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:54:51,141 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 177 proven. 168 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-05-07 18:54:51,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 18:54:51,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045601622] [2024-05-07 18:54:51,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1045601622] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 18:54:51,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1146883974] [2024-05-07 18:54:51,142 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-05-07 18:54:51,142 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 18:54:51,142 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 18:54:51,143 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-07 18:54:51,145 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-05-07 18:54:51,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:54:51,260 INFO L262 TraceCheckSpWp]: Trace formula consists of 468 conjuncts, 30 conjunts are in the unsatisfiable core [2024-05-07 18:54:51,262 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 18:54:52,004 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 219 proven. 126 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-05-07 18:54:52,004 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 18:54:52,701 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 219 proven. 126 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-05-07 18:54:52,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1146883974] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 18:54:52,701 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 18:54:52,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31, 31] total 74 [2024-05-07 18:54:52,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84348992] [2024-05-07 18:54:52,701 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 18:54:52,702 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 74 states [2024-05-07 18:54:52,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 18:54:52,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 74 interpolants. [2024-05-07 18:54:52,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=823, Invalid=4579, Unknown=0, NotChecked=0, Total=5402 [2024-05-07 18:54:52,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 18:54:52,704 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 18:54:52,704 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 74 states, 74 states have (on average 5.22972972972973) internal successors, (387), 74 states have internal predecessors, (387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-07 18:54:52,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 18:54:52,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-07 18:54:52,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-07 18:54:52,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-07 18:54:52,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-05-07 18:54:52,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-07 18:54:52,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-07 18:54:52,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2024-05-07 18:54:52,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-07 18:54:52,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 18:54:53,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 18:54:53,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-07 18:54:53,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-07 18:54:53,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-07 18:54:53,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-05-07 18:54:53,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-07 18:54:53,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-07 18:54:53,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2024-05-07 18:54:53,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-07 18:54:53,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-05-07 18:54:53,388 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-05-07 18:54:53,580 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-05-07 18:54:53,580 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-07 18:54:53,581 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 18:54:53,581 INFO L85 PathProgramCache]: Analyzing trace with hash -1483106974, now seen corresponding path program 8 times [2024-05-07 18:54:53,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 18:54:53,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145761089] [2024-05-07 18:54:53,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 18:54:53,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 18:54:53,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:55:00,846 INFO L134 CoverageAnalysis]: Checked inductivity of 399 backedges. 60 proven. 339 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 18:55:00,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 18:55:00,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145761089] [2024-05-07 18:55:00,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1145761089] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 18:55:00,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1224377246] [2024-05-07 18:55:00,846 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-07 18:55:00,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 18:55:00,847 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 18:55:00,847 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-07 18:55:00,850 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-05-07 18:55:00,973 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-07 18:55:00,974 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 18:55:00,977 INFO L262 TraceCheckSpWp]: Trace formula consists of 482 conjuncts, 147 conjunts are in the unsatisfiable core [2024-05-07 18:55:00,981 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 18:55:04,335 INFO L134 CoverageAnalysis]: Checked inductivity of 399 backedges. 0 proven. 397 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-05-07 18:55:04,336 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 18:55:09,375 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-07 18:55:09,375 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 14 select indices, 14 select index equivalence classes, 0 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 91 case distinctions, treesize of input 142 treesize of output 495 [2024-05-07 18:55:13,143 INFO L134 CoverageAnalysis]: Checked inductivity of 399 backedges. 0 proven. 224 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2024-05-07 18:55:13,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1224377246] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 18:55:13,144 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 18:55:13,144 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [72, 56, 44] total 161 [2024-05-07 18:55:13,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443223281] [2024-05-07 18:55:13,144 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 18:55:13,145 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 161 states [2024-05-07 18:55:13,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 18:55:13,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 161 interpolants. [2024-05-07 18:55:13,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=678, Invalid=25082, Unknown=0, NotChecked=0, Total=25760 [2024-05-07 18:55:13,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 18:55:13,150 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 18:55:13,151 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 161 states, 161 states have (on average 2.7888198757763973) internal successors, (449), 161 states have internal predecessors, (449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-07 18:55:13,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 18:55:13,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-07 18:55:13,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-07 18:55:13,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-07 18:55:13,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-05-07 18:55:13,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-07 18:55:13,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-07 18:55:13,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2024-05-07 18:55:13,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-07 18:55:13,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-05-07 18:55:13,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 18:55:28,935 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-07 18:55:28,935 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 96 treesize of output 40 [2024-05-07 18:55:35,264 INFO L85 PathProgramCache]: Analyzing trace with hash 1264673182, now seen corresponding path program 3 times [2024-05-07 18:55:35,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 18:55:35,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 18:55:35,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:55:37,176 INFO L134 CoverageAnalysis]: Checked inductivity of 936 backedges. 580 proven. 356 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 18:55:37,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 18:55:37,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 18:55:37,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:55:38,065 INFO L134 CoverageAnalysis]: Checked inductivity of 936 backedges. 580 proven. 356 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 18:55:38,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 18:55:38,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-07 18:55:38,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-07 18:55:38,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-07 18:55:38,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-05-07 18:55:38,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-07 18:55:38,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-07 18:55:38,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2024-05-07 18:55:38,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-07 18:55:38,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-05-07 18:55:38,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2024-05-07 18:55:38,313 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-05-07 18:55:38,506 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14,SelfDestructingSolverStorable15,SelfDestructingSolverStorable16 [2024-05-07 18:55:38,506 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-07 18:55:38,507 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 18:55:38,507 INFO L85 PathProgramCache]: Analyzing trace with hash -1686163348, now seen corresponding path program 9 times [2024-05-07 18:55:38,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 18:55:38,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238236929] [2024-05-07 18:55:38,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 18:55:38,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 18:55:38,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:55:39,416 INFO L134 CoverageAnalysis]: Checked inductivity of 1038 backedges. 672 proven. 261 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-05-07 18:55:39,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 18:55:39,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238236929] [2024-05-07 18:55:39,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1238236929] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 18:55:39,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [326823555] [2024-05-07 18:55:39,416 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-07 18:55:39,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 18:55:39,416 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 18:55:39,417 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-07 18:55:39,419 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-05-07 18:55:39,810 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 14 check-sat command(s) [2024-05-07 18:55:39,810 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 18:55:39,814 INFO L262 TraceCheckSpWp]: Trace formula consists of 664 conjuncts, 56 conjunts are in the unsatisfiable core [2024-05-07 18:55:39,818 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 18:55:41,217 INFO L134 CoverageAnalysis]: Checked inductivity of 1038 backedges. 797 proven. 232 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-05-07 18:55:41,217 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 18:55:42,459 INFO L134 CoverageAnalysis]: Checked inductivity of 1038 backedges. 797 proven. 232 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-05-07 18:55:42,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [326823555] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 18:55:42,459 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 18:55:42,459 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 47, 47] total 111 [2024-05-07 18:55:42,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663694211] [2024-05-07 18:55:42,460 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 18:55:42,460 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 111 states [2024-05-07 18:55:42,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 18:55:42,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 111 interpolants. [2024-05-07 18:55:42,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1960, Invalid=10250, Unknown=0, NotChecked=0, Total=12210 [2024-05-07 18:55:42,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 18:55:42,464 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 18:55:42,464 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 111 states, 111 states have (on average 5.243243243243243) internal successors, (582), 111 states have internal predecessors, (582), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-07 18:55:42,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 18:55:42,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-07 18:55:42,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-07 18:55:42,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-07 18:55:42,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-05-07 18:55:42,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-07 18:55:42,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-07 18:55:42,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2024-05-07 18:55:42,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-07 18:55:42,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-05-07 18:55:42,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states. [2024-05-07 18:55:42,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 18:55:43,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 18:55:43,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-07 18:55:43,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-07 18:55:43,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-07 18:55:43,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-05-07 18:55:43,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-07 18:55:43,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-07 18:55:43,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2024-05-07 18:55:43,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-07 18:55:43,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-05-07 18:55:43,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2024-05-07 18:55:43,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-05-07 18:55:43,776 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-05-07 18:55:43,973 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-05-07 18:55:43,973 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-07 18:55:43,974 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 18:55:43,974 INFO L85 PathProgramCache]: Analyzing trace with hash 1107328212, now seen corresponding path program 10 times [2024-05-07 18:55:43,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 18:55:43,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195117266] [2024-05-07 18:55:43,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 18:55:43,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 18:55:44,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:55:57,823 INFO L134 CoverageAnalysis]: Checked inductivity of 1443 backedges. 0 proven. 1443 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 18:55:57,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 18:55:57,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195117266] [2024-05-07 18:55:57,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1195117266] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 18:55:57,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1752864447] [2024-05-07 18:55:57,824 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-07 18:55:57,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 18:55:57,824 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 18:55:57,825 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-07 18:55:57,826 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-05-07 18:55:58,063 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-07 18:55:58,063 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 18:55:58,068 INFO L262 TraceCheckSpWp]: Trace formula consists of 734 conjuncts, 271 conjunts are in the unsatisfiable core [2024-05-07 18:55:58,079 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 18:56:07,727 INFO L134 CoverageAnalysis]: Checked inductivity of 1443 backedges. 0 proven. 1441 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-05-07 18:56:07,728 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 18:56:28,637 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-07 18:56:28,637 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 26 select indices, 26 select index equivalence classes, 0 disjoint index pairs (out of 325 index pairs), introduced 26 new quantified variables, introduced 325 case distinctions, treesize of input 262 treesize of output 1695 [2024-05-07 18:58:11,512 INFO L134 CoverageAnalysis]: Checked inductivity of 1443 backedges. 0 proven. 806 refuted. 0 times theorem prover too weak. 637 trivial. 0 not checked. [2024-05-07 18:58:11,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1752864447] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 18:58:11,512 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 18:58:11,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [120, 109, 80] total 296 [2024-05-07 18:58:11,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034380223] [2024-05-07 18:58:11,513 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 18:58:11,514 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 296 states [2024-05-07 18:58:11,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 18:58:11,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 296 interpolants. [2024-05-07 18:58:11,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2536, Invalid=84784, Unknown=0, NotChecked=0, Total=87320 [2024-05-07 18:58:11,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 18:58:11,524 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 18:58:11,525 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 296 states, 296 states have (on average 2.543918918918919) internal successors, (753), 296 states have internal predecessors, (753), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-07 18:58:11,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 18:58:11,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-07 18:58:11,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-07 18:58:11,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-07 18:58:11,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-05-07 18:58:11,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-07 18:58:11,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-07 18:58:11,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2024-05-07 18:58:11,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-07 18:58:11,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-05-07 18:58:11,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states. [2024-05-07 18:58:11,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-05-07 18:58:11,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 18:59:29,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 18:59:29,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-07 18:59:29,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-07 18:59:29,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-07 18:59:29,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-05-07 18:59:29,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-07 18:59:29,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-07 18:59:29,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2024-05-07 18:59:29,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-07 18:59:29,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-05-07 18:59:29,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2024-05-07 18:59:29,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-05-07 18:59:29,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 340 states. [2024-05-07 18:59:29,045 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-05-07 18:59:29,239 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 18:59:29,240 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-07 18:59:29,240 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 18:59:29,240 INFO L85 PathProgramCache]: Analyzing trace with hash -795380064, now seen corresponding path program 11 times [2024-05-07 18:59:29,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 18:59:29,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491114398] [2024-05-07 18:59:29,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 18:59:29,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 18:59:29,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:59:31,570 INFO L134 CoverageAnalysis]: Checked inductivity of 3792 backedges. 2436 proven. 795 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2024-05-07 18:59:31,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 18:59:31,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [491114398] [2024-05-07 18:59:31,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [491114398] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 18:59:31,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [766473803] [2024-05-07 18:59:31,571 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-05-07 18:59:31,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 18:59:31,571 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 18:59:31,573 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-07 18:59:31,573 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-05-07 18:59:31,951 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 26 check-sat command(s) [2024-05-07 18:59:31,951 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 18:59:31,958 INFO L262 TraceCheckSpWp]: Trace formula consists of 1084 conjuncts, 82 conjunts are in the unsatisfiable core [2024-05-07 18:59:31,962 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 18:59:35,366 INFO L134 CoverageAnalysis]: Checked inductivity of 3792 backedges. 3045 proven. 742 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-05-07 18:59:35,366 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 18:59:40,093 INFO L134 CoverageAnalysis]: Checked inductivity of 3792 backedges. 3045 proven. 742 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-05-07 18:59:40,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [766473803] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 18:59:40,093 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 18:59:40,093 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [63, 83, 83] total 222 [2024-05-07 18:59:40,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258241474] [2024-05-07 18:59:40,093 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 18:59:40,094 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 222 states [2024-05-07 18:59:40,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 18:59:40,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 222 interpolants. [2024-05-07 18:59:40,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6227, Invalid=42835, Unknown=0, NotChecked=0, Total=49062 [2024-05-07 18:59:40,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 18:59:40,102 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 18:59:40,103 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 222 states, 222 states have (on average 4.941441441441442) internal successors, (1097), 222 states have internal predecessors, (1097), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-07 18:59:40,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 18:59:40,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-07 18:59:40,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-07 18:59:40,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-07 18:59:40,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-05-07 18:59:40,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-07 18:59:40,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-07 18:59:40,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2024-05-07 18:59:40,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-07 18:59:40,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-05-07 18:59:40,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states. [2024-05-07 18:59:40,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-05-07 18:59:40,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 340 states. [2024-05-07 18:59:40,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 18:59:45,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 18:59:45,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-07 18:59:45,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-07 18:59:45,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-07 18:59:45,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-05-07 18:59:45,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-07 18:59:45,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-07 18:59:45,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2024-05-07 18:59:45,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-07 18:59:45,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-05-07 18:59:45,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2024-05-07 18:59:45,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-05-07 18:59:45,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 340 states. [2024-05-07 18:59:45,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2024-05-07 18:59:45,321 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-05-07 18:59:45,518 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,14 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 18:59:45,518 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-07 18:59:45,532 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 18:59:45,532 INFO L85 PathProgramCache]: Analyzing trace with hash -2023694664, now seen corresponding path program 12 times [2024-05-07 18:59:45,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 18:59:45,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545245411] [2024-05-07 18:59:45,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 18:59:45,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 18:59:45,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 19:00:58,056 INFO L134 CoverageAnalysis]: Checked inductivity of 5475 backedges. 0 proven. 4925 refuted. 0 times theorem prover too weak. 550 trivial. 0 not checked. [2024-05-07 19:00:58,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 19:00:58,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545245411] [2024-05-07 19:00:58,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1545245411] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 19:00:58,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [719133239] [2024-05-07 19:00:58,057 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-05-07 19:00:58,057 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 19:00:58,057 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 19:00:58,058 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-07 19:00:58,060 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-05-07 19:01:02,618 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 26 check-sat command(s) [2024-05-07 19:01:02,618 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 19:01:02,639 INFO L262 TraceCheckSpWp]: Trace formula consists of 1238 conjuncts, 537 conjunts are in the unsatisfiable core [2024-05-07 19:01:02,649 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 19:01:08,677 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 19 treesize of output 1 [2024-05-07 19:01:08,732 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 19 treesize of output 1 [2024-05-07 19:01:08,969 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 19 treesize of output 1 [2024-05-07 19:01:09,922 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-05-07 19:01:10,199 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-05-07 19:02:48,774 WARN L293 SmtUtils]: Spent 36.78s on a formula simplification that was a NOOP. DAG size: 1241 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2024-05-07 19:02:48,774 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-07 19:02:48,775 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 46 select indices, 46 select index equivalence classes, 506 disjoint index pairs (out of 1035 index pairs), introduced 46 new quantified variables, introduced 1035 case distinctions, treesize of input 324 treesize of output 4283 Received shutdown request... [2024-05-07 19:07:55,281 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-07 19:07:55,288 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-07 19:07:55,288 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-07 19:07:55,328 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2024-05-07 19:07:55,340 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-05-07 19:07:55,528 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,15 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 19:07:55,529 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 531 with TraceHistMax 25,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-464-21-21-7-5-6-16-15-14-6-13-6-21-10-10-3-17-2-15-2-7-2-6-3-8-2-6-2-4-2-3-1 context. [2024-05-07 19:07:55,530 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2024-05-07 19:07:55,531 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-05-07 19:07:55,534 INFO L448 BasicCegarLoop]: Path program histogram: [12, 3, 1, 1, 1] [2024-05-07 19:07:55,536 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-05-07 19:07:55,536 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-05-07 19:07:55,537 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.05 07:07:55 BasicIcfg [2024-05-07 19:07:55,537 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-05-07 19:07:55,538 INFO L158 Benchmark]: Toolchain (without parser) took 820045.88ms. Allocated memory was 187.7MB in the beginning and 3.2GB in the end (delta: 3.0GB). Free memory was 121.3MB in the beginning and 2.1GB in the end (delta: -1.9GB). Peak memory consumption was 2.2GB. Max. memory is 8.0GB. [2024-05-07 19:07:55,538 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 187.7MB. Free memory was 118.8MB in the beginning and 118.6MB in the end (delta: 185.7kB). There was no memory consumed. Max. memory is 8.0GB. [2024-05-07 19:07:55,538 INFO L158 Benchmark]: CACSL2BoogieTranslator took 197.99ms. Allocated memory is still 187.7MB. Free memory was 121.0MB in the beginning and 109.3MB in the end (delta: 11.8MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2024-05-07 19:07:55,538 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.38ms. Allocated memory is still 187.7MB. Free memory was 109.3MB in the beginning and 107.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-05-07 19:07:55,539 INFO L158 Benchmark]: Boogie Preprocessor took 21.90ms. Allocated memory is still 187.7MB. Free memory was 107.3MB in the beginning and 105.7MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-05-07 19:07:55,539 INFO L158 Benchmark]: RCFGBuilder took 502.73ms. Allocated memory was 187.7MB in the beginning and 287.3MB in the end (delta: 99.6MB). Free memory was 105.6MB in the beginning and 234.4MB in the end (delta: -128.8MB). Peak memory consumption was 11.2MB. Max. memory is 8.0GB. [2024-05-07 19:07:55,539 INFO L158 Benchmark]: TraceAbstraction took 819281.01ms. Allocated memory was 287.3MB in the beginning and 3.2GB in the end (delta: 2.9GB). Free memory was 233.3MB in the beginning and 2.1GB in the end (delta: -1.8GB). Peak memory consumption was 2.2GB. Max. memory is 8.0GB. [2024-05-07 19:07:55,540 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 187.7MB. Free memory was 118.8MB in the beginning and 118.6MB in the end (delta: 185.7kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 197.99ms. Allocated memory is still 187.7MB. Free memory was 121.0MB in the beginning and 109.3MB in the end (delta: 11.8MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 33.38ms. Allocated memory is still 187.7MB. Free memory was 109.3MB in the beginning and 107.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 21.90ms. Allocated memory is still 187.7MB. Free memory was 107.3MB in the beginning and 105.7MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 502.73ms. Allocated memory was 187.7MB in the beginning and 287.3MB in the end (delta: 99.6MB). Free memory was 105.6MB in the beginning and 234.4MB in the end (delta: -128.8MB). Peak memory consumption was 11.2MB. Max. memory is 8.0GB. * TraceAbstraction took 819281.01ms. Allocated memory was 287.3MB in the beginning and 3.2GB in the end (delta: 2.9GB). Free memory was 233.3MB in the beginning and 2.1GB in the end (delta: -1.8GB). Peak memory consumption was 2.2GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 9175, independent: 7816, independent conditional: 7396, independent unconditional: 420, dependent: 1359, dependent conditional: 1356, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 7870, independent: 7816, independent conditional: 7396, independent unconditional: 420, dependent: 54, dependent conditional: 51, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7870, independent: 7816, independent conditional: 7396, independent unconditional: 420, dependent: 54, dependent conditional: 51, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 7870, independent: 7816, independent conditional: 7396, independent unconditional: 420, dependent: 54, dependent conditional: 51, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7995, independent: 7816, independent conditional: 3168, independent unconditional: 4648, dependent: 179, dependent conditional: 119, dependent unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 7995, independent: 7816, independent conditional: 2822, independent unconditional: 4994, dependent: 179, dependent conditional: 117, dependent unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 7995, independent: 7816, independent conditional: 2822, independent unconditional: 4994, dependent: 179, dependent conditional: 117, dependent unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 237, independent: 225, independent conditional: 0, independent unconditional: 225, dependent: 12, dependent conditional: 10, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 237, independent: 225, independent conditional: 0, independent unconditional: 225, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 12, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 12, dependent conditional: 10, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 12, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 12, dependent conditional: 10, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 91, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 91, dependent conditional: 45, dependent unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 7995, independent: 7591, independent conditional: 2822, independent unconditional: 4769, dependent: 167, dependent conditional: 107, dependent unconditional: 60, unknown: 237, unknown conditional: 10, unknown unconditional: 227] , Statistics on independence cache: Total cache size (in pairs): 237, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 12, Negative conditional cache size: 10, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 348, Maximal queried relation: 3, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7995, independent: 7816, independent conditional: 3168, independent unconditional: 4648, dependent: 179, dependent conditional: 119, dependent unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 7995, independent: 7816, independent conditional: 2822, independent unconditional: 4994, dependent: 179, dependent conditional: 117, dependent unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 7995, independent: 7816, independent conditional: 2822, independent unconditional: 4994, dependent: 179, dependent conditional: 117, dependent unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 237, independent: 225, independent conditional: 0, independent unconditional: 225, dependent: 12, dependent conditional: 10, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 237, independent: 225, independent conditional: 0, independent unconditional: 225, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 12, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 12, dependent conditional: 10, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 12, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 12, dependent conditional: 10, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 91, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 91, dependent conditional: 45, dependent unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 7995, independent: 7591, independent conditional: 2822, independent unconditional: 4769, dependent: 167, dependent conditional: 107, dependent unconditional: 60, unknown: 237, unknown conditional: 10, unknown unconditional: 227] , Statistics on independence cache: Total cache size (in pairs): 237, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 12, Negative conditional cache size: 10, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 348 ], Independence queries for same thread: 1305 - TimeoutResultAtElement [Line: 81]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 531 with TraceHistMax 25,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-464-21-21-7-5-6-16-15-14-6-13-6-21-10-10-3-17-2-15-2-7-2-6-3-8-2-6-2-4-2-3-1 context. - TimeoutResultAtElement [Line: 75]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 531 with TraceHistMax 25,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-464-21-21-7-5-6-16-15-14-6-13-6-21-10-10-3-17-2-15-2-7-2-6-3-8-2-6-2-4-2-3-1 context. - TimeoutResultAtElement [Line: 76]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 531 with TraceHistMax 25,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-464-21-21-7-5-6-16-15-14-6-13-6-21-10-10-3-17-2-15-2-7-2-6-3-8-2-6-2-4-2-3-1 context. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 132 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 819.2s, OverallIterations: 15, TraceHistogramMax: 0, PathProgramHistogramMax: 12, EmptinessCheckTime: 135.3s, 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: 874, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 188.4s InterpolantComputationTime, 4883 NumberOfCodeBlocks, 4865 NumberOfCodeBlocksAsserted, 84 NumberOfCheckSat, 7200 ConstructedInterpolants, 0 QuantifiedInterpolants, 60553 SizeOfPredicates, 422 NumberOfNonLiveVariables, 5514 ConjunctsInSsa, 684 ConjunctsInUnsatCore, 38 InterpolantComputations, 3 PerfectInterpolantSequences, 14362/22907 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, ConditionalCommutativityCheckTime: 29.7s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 0, ConditionalCommutativityConditionCalculations: 3, ConditionalCommutativityTraceChecks: 3, ConditionalCommutativityImperfectProofs: 3 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown