/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 213 --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-prod-cons.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-3774817-m [2024-04-05 21:09:34,173 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-05 21:09:34,250 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-05 21:09:34,255 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-05 21:09:34,256 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-05 21:09:34,285 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-05 21:09:34,285 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-05 21:09:34,286 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-05 21:09:34,286 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-05 21:09:34,290 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-05 21:09:34,291 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-05 21:09:34,291 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-05 21:09:34,291 INFO L153 SettingsManager]: * Use SBE=true [2024-04-05 21:09:34,293 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-05 21:09:34,293 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-05 21:09:34,293 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-05 21:09:34,293 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-05 21:09:34,293 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-05 21:09:34,294 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-05 21:09:34,294 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-05 21:09:34,294 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-05 21:09:34,294 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-05 21:09:34,295 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-05 21:09:34,295 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-05 21:09:34,295 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-05 21:09:34,295 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-05 21:09:34,295 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-05 21:09:34,296 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-05 21:09:34,296 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-05 21:09:34,296 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-05 21:09:34,297 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-05 21:09:34,297 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-05 21:09:34,298 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-05 21:09:34,298 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-05 21:09:34,298 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-05 21:09:34,298 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-05 21:09:34,298 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-05 21:09:34,298 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-05 21:09:34,298 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-05 21:09:34,299 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> RANDOM Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: probability for random criterion as percentage -> 20 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: seed for random criterion -> 213 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 10 [2024-04-05 21:09:34,559 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-05 21:09:34,588 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-05 21:09:34,591 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-05 21:09:34,592 INFO L270 PluginConnector]: Initializing CDTParser... [2024-04-05 21:09:34,592 INFO L274 PluginConnector]: CDTParser initialized [2024-04-05 21:09:34,593 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-prod-cons.wvr.c [2024-04-05 21:09:35,765 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-04-05 21:09:35,959 INFO L384 CDTParser]: Found 1 translation units. [2024-04-05 21:09:35,959 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-prod-cons.wvr.c [2024-04-05 21:09:35,967 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/25e1f163c/67140fae8c5c4ed89ba3234b5ef94741/FLAGad10c0f0c [2024-04-05 21:09:35,989 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/25e1f163c/67140fae8c5c4ed89ba3234b5ef94741 [2024-04-05 21:09:35,992 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-05 21:09:35,994 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-04-05 21:09:35,996 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-04-05 21:09:35,996 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-04-05 21:09:36,000 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-04-05 21:09:36,001 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 09:09:35" (1/1) ... [2024-04-05 21:09:36,002 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ea7bfc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 09:09:36, skipping insertion in model container [2024-04-05 21:09:36,002 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 09:09:35" (1/1) ... [2024-04-05 21:09:36,033 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-04-05 21:09:36,224 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-prod-cons.wvr.c[3056,3069] [2024-04-05 21:09:36,232 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-05 21:09:36,240 INFO L202 MainTranslator]: Completed pre-run [2024-04-05 21:09:36,264 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-prod-cons.wvr.c[3056,3069] [2024-04-05 21:09:36,268 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-05 21:09:36,275 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-04-05 21:09:36,275 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-04-05 21:09:36,282 INFO L206 MainTranslator]: Completed translation [2024-04-05 21:09:36,282 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 09:09:36 WrapperNode [2024-04-05 21:09:36,282 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-04-05 21:09:36,283 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-05 21:09:36,283 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-05 21:09:36,284 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-05 21:09:36,290 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 09:09:36" (1/1) ... [2024-04-05 21:09:36,297 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 09:09:36" (1/1) ... [2024-04-05 21:09:36,323 INFO L138 Inliner]: procedures = 25, calls = 50, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 171 [2024-04-05 21:09:36,323 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-05 21:09:36,324 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-05 21:09:36,324 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-05 21:09:36,324 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-05 21:09:36,332 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 09:09:36" (1/1) ... [2024-04-05 21:09:36,332 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 09:09:36" (1/1) ... [2024-04-05 21:09:36,335 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 09:09:36" (1/1) ... [2024-04-05 21:09:36,335 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 09:09:36" (1/1) ... [2024-04-05 21:09:36,341 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 09:09:36" (1/1) ... [2024-04-05 21:09:36,344 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 09:09:36" (1/1) ... [2024-04-05 21:09:36,346 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 09:09:36" (1/1) ... [2024-04-05 21:09:36,347 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 09:09:36" (1/1) ... [2024-04-05 21:09:36,349 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-05 21:09:36,350 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-05 21:09:36,350 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-05 21:09:36,350 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-05 21:09:36,351 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 09:09:36" (1/1) ... [2024-04-05 21:09:36,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-05 21:09:36,368 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 21:09:36,381 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-04-05 21:09:36,384 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-04-05 21:09:36,420 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-04-05 21:09:36,420 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-04-05 21:09:36,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-04-05 21:09:36,421 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-04-05 21:09:36,421 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-04-05 21:09:36,421 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-04-05 21:09:36,421 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-04-05 21:09:36,421 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-04-05 21:09:36,421 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-04-05 21:09:36,421 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-04-05 21:09:36,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-04-05 21:09:36,422 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-04-05 21:09:36,422 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-04-05 21:09:36,422 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-04-05 21:09:36,422 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-05 21:09:36,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-05 21:09:36,422 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-04-05 21:09:36,424 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-04-05 21:09:36,520 INFO L241 CfgBuilder]: Building ICFG [2024-04-05 21:09:36,522 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-05 21:09:36,852 INFO L282 CfgBuilder]: Performing block encoding [2024-04-05 21:09:36,919 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-05 21:09:36,919 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2024-04-05 21:09:36,921 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 09:09:36 BoogieIcfgContainer [2024-04-05 21:09:36,921 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-05 21:09:36,926 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-05 21:09:36,926 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-05 21:09:36,929 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-05 21:09:36,929 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.04 09:09:35" (1/3) ... [2024-04-05 21:09:36,930 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d3e9efd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 09:09:36, skipping insertion in model container [2024-04-05 21:09:36,930 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 09:09:36" (2/3) ... [2024-04-05 21:09:36,930 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d3e9efd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 09:09:36, skipping insertion in model container [2024-04-05 21:09:36,930 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 09:09:36" (3/3) ... [2024-04-05 21:09:36,931 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-prod-cons.wvr.c [2024-04-05 21:09:36,938 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-05 21:09:36,945 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-05 21:09:36,945 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-04-05 21:09:36,945 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-05 21:09:37,013 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-04-05 21:09:37,055 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-05 21:09:37,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-05 21:09:37,055 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 21:09:37,058 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-04-05 21:09:37,068 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-04-05 21:09:37,098 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-05 21:09:37,108 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 21:09:37,110 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-05 21:09:37,115 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;@5ccf7b35, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=RANDOM, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=10, mConComCheckerRandomProb=20, mConComCheckerRandomSeed=213 [2024-04-05 21:09:37,115 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-04-05 21:09:37,248 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 21:09:37,249 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 21:09:37,250 INFO L85 PathProgramCache]: Analyzing trace with hash -1029681022, now seen corresponding path program 1 times [2024-04-05 21:09:37,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 21:09:37,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925171121] [2024-04-05 21:09:37,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 21:09:37,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 21:09:37,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 21:09:37,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 21:09:37,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 21:09:37,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1925171121] [2024-04-05 21:09:37,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1925171121] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 21:09:37,555 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-05 21:09:37,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-04-05 21:09:37,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644926154] [2024-04-05 21:09:37,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 21:09:37,562 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-04-05 21:09:37,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 21:09:37,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-04-05 21:09:37,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-04-05 21:09:37,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:09:37,585 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 21:09:37,586 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 59.5) internal successors, (119), 2 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 21:09:37,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:09:37,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:09:37,638 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-04-05 21:09:37,639 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 21:09:37,639 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 21:09:37,639 INFO L85 PathProgramCache]: Analyzing trace with hash -1715543274, now seen corresponding path program 1 times [2024-04-05 21:09:37,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 21:09:37,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150349979] [2024-04-05 21:09:37,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 21:09:37,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 21:09:37,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 21:09:38,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 21:09:38,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 21:09:38,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150349979] [2024-04-05 21:09:38,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [150349979] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 21:09:38,057 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-05 21:09:38,058 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-04-05 21:09:38,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974557269] [2024-04-05 21:09:38,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 21:09:38,060 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-04-05 21:09:38,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 21:09:38,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-04-05 21:09:38,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-04-05 21:09:38,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:09:38,062 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 21:09:38,062 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.75) internal successors, (115), 4 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 21:09:38,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:09:38,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:09:38,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:09:38,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-05 21:09:38,156 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-04-05 21:09:38,157 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 21:09:38,157 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 21:09:38,157 INFO L85 PathProgramCache]: Analyzing trace with hash -453292335, now seen corresponding path program 1 times [2024-04-05 21:09:38,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 21:09:38,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805118872] [2024-04-05 21:09:38,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 21:09:38,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 21:09:38,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 21:09:38,332 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 21:09:38,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 21:09:38,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805118872] [2024-04-05 21:09:38,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [805118872] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 21:09:38,333 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-05 21:09:38,333 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-04-05 21:09:38,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855006703] [2024-04-05 21:09:38,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 21:09:38,334 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-04-05 21:09:38,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 21:09:38,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-04-05 21:09:38,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-04-05 21:09:38,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:09:38,335 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 21:09:38,336 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 21:09:38,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:09:38,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-05 21:09:38,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:09:38,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:09:38,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-05 21:09:38,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 21:09:38,434 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-04-05 21:09:38,434 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 21:09:38,436 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 21:09:38,436 INFO L85 PathProgramCache]: Analyzing trace with hash -748859357, now seen corresponding path program 1 times [2024-04-05 21:09:38,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 21:09:38,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200563717] [2024-04-05 21:09:38,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 21:09:38,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 21:09:38,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 21:09:38,677 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-05 21:09:38,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 21:09:38,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200563717] [2024-04-05 21:09:38,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [200563717] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 21:09:38,678 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-05 21:09:38,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-04-05 21:09:38,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369756722] [2024-04-05 21:09:38,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 21:09:38,679 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-04-05 21:09:38,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 21:09:38,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-04-05 21:09:38,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-04-05 21:09:38,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:09:38,680 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 21:09:38,681 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 21.0) internal successors, (126), 6 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 21:09:38,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:09:38,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-05 21:09:38,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-05 21:09:38,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:09:38,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:09:38,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-05 21:09:38,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 21:09:38,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 21:09:38,809 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-04-05 21:09:38,809 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 21:09:38,810 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 21:09:38,810 INFO L85 PathProgramCache]: Analyzing trace with hash -1860542473, now seen corresponding path program 1 times [2024-04-05 21:09:38,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 21:09:38,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360743219] [2024-04-05 21:09:38,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 21:09:38,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 21:09:38,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 21:09:39,328 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-05 21:09:39,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 21:09:39,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1360743219] [2024-04-05 21:09:39,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1360743219] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 21:09:39,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1462556293] [2024-04-05 21:09:39,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 21:09:39,330 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 21:09:39,330 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 21:09:39,375 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 21:09:39,393 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-04-05 21:09:39,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 21:09:39,502 INFO L262 TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 6 conjunts are in the unsatisfiable core [2024-04-05 21:09:39,512 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 21:09:39,623 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-05 21:09:39,623 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 21:09:39,688 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-05 21:09:39,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1462556293] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 21:09:39,688 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 21:09:39,689 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2024-04-05 21:09:39,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502312112] [2024-04-05 21:09:39,689 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 21:09:39,689 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-04-05 21:09:39,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 21:09:39,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-04-05 21:09:39,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-04-05 21:09:39,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:09:39,693 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 21:09:39,693 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 16.3) internal successors, (163), 10 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 21:09:39,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:09:39,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-05 21:09:39,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-05 21:09:39,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 21:09:39,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:09:40,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:09:40,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-05 21:09:40,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 21:09:40,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 21:09:40,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-05 21:09:40,324 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-04-05 21:09:40,517 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 21:09:40,518 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 21:09:40,518 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 21:09:40,518 INFO L85 PathProgramCache]: Analyzing trace with hash 1037276581, now seen corresponding path program 2 times [2024-04-05 21:09:40,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 21:09:40,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099785835] [2024-04-05 21:09:40,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 21:09:40,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 21:09:40,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 21:09:40,948 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-05 21:09:40,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 21:09:40,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1099785835] [2024-04-05 21:09:40,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1099785835] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 21:09:40,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [237193485] [2024-04-05 21:09:40,953 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-05 21:09:40,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 21:09:40,953 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 21:09:40,954 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 21:09:40,956 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-04-05 21:09:41,085 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-05 21:09:41,086 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 21:09:41,087 INFO L262 TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 17 conjunts are in the unsatisfiable core [2024-04-05 21:09:41,100 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 21:09:41,677 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-05 21:09:41,677 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 21:09:42,214 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-05 21:09:42,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [237193485] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 21:09:42,214 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 21:09:42,215 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 12, 12] total 29 [2024-04-05 21:09:42,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204825255] [2024-04-05 21:09:42,215 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 21:09:42,216 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-04-05 21:09:42,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 21:09:42,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-04-05 21:09:42,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=160, Invalid=652, Unknown=0, NotChecked=0, Total=812 [2024-04-05 21:09:42,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:09:42,217 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 21:09:42,218 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 11.793103448275861) internal successors, (342), 29 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 21:09:42,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:09:42,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-05 21:09:42,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-05 21:09:42,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 21:09:42,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-05 21:09:42,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:09:42,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:09:42,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-05 21:09:42,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 21:09:42,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 21:09:42,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-05 21:09:42,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-05 21:09:42,979 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-04-05 21:09:43,175 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 21:09:43,175 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 21:09:43,176 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 21:09:43,176 INFO L85 PathProgramCache]: Analyzing trace with hash -1388095376, now seen corresponding path program 1 times [2024-04-05 21:09:43,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 21:09:43,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787705729] [2024-04-05 21:09:43,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 21:09:43,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 21:09:43,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 21:09:43,429 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 21:09:43,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 21:09:43,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787705729] [2024-04-05 21:09:43,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [787705729] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 21:09:43,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1455591655] [2024-04-05 21:09:43,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 21:09:43,430 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 21:09:43,431 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 21:09:43,434 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 21:09:43,459 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-04-05 21:09:43,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 21:09:43,562 INFO L262 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 9 conjunts are in the unsatisfiable core [2024-04-05 21:09:43,570 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 21:09:43,791 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 21:09:43,792 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 21:09:44,061 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 21:09:44,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1455591655] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 21:09:44,062 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 21:09:44,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 19 [2024-04-05 21:09:44,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943409443] [2024-04-05 21:09:44,063 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 21:09:44,063 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-04-05 21:09:44,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 21:09:44,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-04-05 21:09:44,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=265, Unknown=0, NotChecked=0, Total=342 [2024-04-05 21:09:44,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:09:44,065 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 21:09:44,065 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 10.631578947368421) internal successors, (202), 19 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 21:09:44,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:09:44,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-05 21:09:44,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-05 21:09:44,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 21:09:44,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-05 21:09:44,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-05 21:09:44,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:09:44,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:09:44,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-05 21:09:44,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 21:09:44,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 21:09:44,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-05 21:09:44,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-05 21:09:44,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-05 21:09:44,547 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-04-05 21:09:44,742 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 21:09:44,743 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 21:09:44,744 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 21:09:44,744 INFO L85 PathProgramCache]: Analyzing trace with hash -182345444, now seen corresponding path program 2 times [2024-04-05 21:09:44,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 21:09:44,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870968611] [2024-04-05 21:09:44,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 21:09:44,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 21:09:44,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 21:09:45,207 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-04-05 21:09:45,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 21:09:45,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870968611] [2024-04-05 21:09:45,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1870968611] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 21:09:45,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1392581833] [2024-04-05 21:09:45,208 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-05 21:09:45,208 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 21:09:45,208 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 21:09:45,210 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 21:09:45,236 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-04-05 21:09:45,338 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-05 21:09:45,338 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 21:09:45,341 INFO L262 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 6 conjunts are in the unsatisfiable core [2024-04-05 21:09:45,343 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 21:09:45,387 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-04-05 21:09:45,387 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-04-05 21:09:45,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1392581833] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 21:09:45,390 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-04-05 21:09:45,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [11] total 14 [2024-04-05 21:09:45,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644239145] [2024-04-05 21:09:45,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 21:09:45,391 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-04-05 21:09:45,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 21:09:45,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-04-05 21:09:45,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2024-04-05 21:09:45,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:09:45,392 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 21:09:45,392 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 27.8) internal successors, (139), 5 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 21:09:45,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:09:45,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-05 21:09:45,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-05 21:09:45,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 21:09:45,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-05 21:09:45,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-05 21:09:45,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-05 21:09:45,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:09:45,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:09:45,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-05 21:09:45,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 21:09:45,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 21:09:45,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-05 21:09:45,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-05 21:09:45,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-05 21:09:45,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 21:09:45,818 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-04-05 21:09:46,017 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,SelfDestructingSolverStorable7 [2024-04-05 21:09:46,018 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 21:09:46,018 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 21:09:46,018 INFO L85 PathProgramCache]: Analyzing trace with hash 590236602, now seen corresponding path program 3 times [2024-04-05 21:09:46,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 21:09:46,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685305067] [2024-04-05 21:09:46,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 21:09:46,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 21:09:46,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 21:09:46,356 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-04-05 21:09:46,357 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 21:09:46,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [685305067] [2024-04-05 21:09:46,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [685305067] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 21:09:46,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [694629440] [2024-04-05 21:09:46,357 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-05 21:09:46,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 21:09:46,357 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 21:09:46,361 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 21:09:46,386 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-04-05 21:09:46,487 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-04-05 21:09:46,487 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 21:09:46,489 INFO L262 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 13 conjunts are in the unsatisfiable core [2024-04-05 21:09:46,491 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 21:09:46,879 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-04-05 21:09:46,879 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 21:09:47,347 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-04-05 21:09:47,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [694629440] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 21:09:47,348 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 21:09:47,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 10, 10] total 23 [2024-04-05 21:09:47,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749318709] [2024-04-05 21:09:47,348 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 21:09:47,349 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-04-05 21:09:47,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 21:09:47,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-04-05 21:09:47,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=403, Unknown=0, NotChecked=0, Total=506 [2024-04-05 21:09:47,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:09:47,350 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 21:09:47,351 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 14.91304347826087) internal successors, (343), 23 states have internal predecessors, (343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 21:09:47,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:09:47,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-05 21:09:47,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-05 21:09:47,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 21:09:47,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-05 21:09:47,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-05 21:09:47,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-05 21:09:47,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-05 21:09:47,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:09:48,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:09:48,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-05 21:09:48,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 21:09:48,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 21:09:48,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-05 21:09:48,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-05 21:09:48,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-05 21:09:48,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 21:09:48,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-05 21:09:48,418 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-04-05 21:09:48,609 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 21:09:48,610 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 21:09:48,610 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 21:09:48,610 INFO L85 PathProgramCache]: Analyzing trace with hash -752978296, now seen corresponding path program 3 times [2024-04-05 21:09:48,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 21:09:48,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433939349] [2024-04-05 21:09:48,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 21:09:48,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 21:09:48,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 21:09:48,741 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-04-05 21:09:48,741 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 21:09:48,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [433939349] [2024-04-05 21:09:48,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [433939349] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 21:09:48,742 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-05 21:09:48,742 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-04-05 21:09:48,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886234197] [2024-04-05 21:09:48,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 21:09:48,743 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-04-05 21:09:48,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 21:09:48,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-04-05 21:09:48,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-04-05 21:09:48,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:09:48,744 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 21:09:48,744 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 34.0) internal successors, (136), 4 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 21:09:48,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:09:48,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-05 21:09:48,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-05 21:09:48,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 21:09:48,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-05 21:09:48,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-05 21:09:48,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-05 21:09:48,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-05 21:09:48,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-04-05 21:09:48,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:09:49,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:09:49,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-05 21:09:49,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 21:09:49,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 21:09:49,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-05 21:09:49,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-04-05 21:09:49,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-05 21:09:49,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 21:09:49,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-04-05 21:09:49,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-05 21:09:49,774 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-04-05 21:09:49,774 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 21:09:49,775 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 21:09:49,775 INFO L85 PathProgramCache]: Analyzing trace with hash 2030392498, now seen corresponding path program 4 times [2024-04-05 21:09:49,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 21:09:49,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349375588] [2024-04-05 21:09:49,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 21:09:49,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 21:09:49,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 21:09:51,329 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 2 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 21:09:51,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 21:09:51,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349375588] [2024-04-05 21:09:51,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1349375588] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 21:09:51,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1505039222] [2024-04-05 21:09:51,330 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-05 21:09:51,330 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 21:09:51,330 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 21:09:51,331 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 21:09:51,349 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-04-05 21:09:51,457 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-05 21:09:51,457 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 21:09:51,459 INFO L262 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 38 conjunts are in the unsatisfiable core [2024-04-05 21:09:51,462 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 21:09:52,728 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-05 21:09:52,729 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 23 treesize of output 15 [2024-04-05 21:09:53,266 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 2 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 21:09:53,267 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 21:09:53,978 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-05 21:09:53,979 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 28 treesize of output 20 [2024-04-05 21:09:55,914 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 2 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 21:09:55,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1505039222] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 21:09:55,915 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 21:09:55,915 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 27, 27] total 79 [2024-04-05 21:09:55,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358956935] [2024-04-05 21:09:55,916 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 21:09:55,916 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 79 states [2024-04-05 21:09:55,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 21:09:55,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 79 interpolants. [2024-04-05 21:09:55,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=738, Invalid=5424, Unknown=0, NotChecked=0, Total=6162 [2024-04-05 21:09:55,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:09:55,920 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 21:09:55,921 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 79 states, 79 states have (on average 5.050632911392405) internal successors, (399), 79 states have internal predecessors, (399), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 21:09:55,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:09:55,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-05 21:09:55,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-05 21:09:55,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 21:09:55,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-05 21:09:55,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-04-05 21:09:55,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-05 21:09:55,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-05 21:09:55,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-04-05 21:09:55,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-05 21:09:55,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:10:04,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:10:04,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-05 21:10:04,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 21:10:04,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 21:10:04,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-05 21:10:04,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-04-05 21:10:04,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-05 21:10:04,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 21:10:04,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-04-05 21:10:04,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-05 21:10:04,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2024-04-05 21:10:04,280 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-04-05 21:10:04,472 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-04-05 21:10:04,473 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 21:10:04,473 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 21:10:04,473 INFO L85 PathProgramCache]: Analyzing trace with hash -1179582370, now seen corresponding path program 5 times [2024-04-05 21:10:04,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 21:10:04,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322716770] [2024-04-05 21:10:04,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 21:10:04,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 21:10:04,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 21:10:06,400 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 2 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 21:10:06,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 21:10:06,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1322716770] [2024-04-05 21:10:06,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1322716770] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 21:10:06,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1210698949] [2024-04-05 21:10:06,401 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-05 21:10:06,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 21:10:06,401 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 21:10:06,402 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 21:10:06,416 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-04-05 21:10:06,526 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2024-04-05 21:10:06,527 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 21:10:06,528 INFO L262 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 34 conjunts are in the unsatisfiable core [2024-04-05 21:10:06,531 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 21:10:07,579 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 2 proven. 32 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-04-05 21:10:07,579 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 21:10:08,020 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-05 21:10:08,020 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 28 treesize of output 20 [2024-04-05 21:10:08,684 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 2 proven. 17 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-04-05 21:10:08,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1210698949] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 21:10:08,685 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 21:10:08,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 22, 19] total 66 [2024-04-05 21:10:08,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645058559] [2024-04-05 21:10:08,685 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 21:10:08,686 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 66 states [2024-04-05 21:10:08,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 21:10:08,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2024-04-05 21:10:08,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=377, Invalid=3913, Unknown=0, NotChecked=0, Total=4290 [2024-04-05 21:10:08,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:10:08,688 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 21:10:08,689 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 66 states, 66 states have (on average 6.53030303030303) internal successors, (431), 66 states have internal predecessors, (431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 21:10:08,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:10:08,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-05 21:10:08,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-05 21:10:08,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 21:10:08,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-05 21:10:08,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-04-05 21:10:08,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-05 21:10:08,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-05 21:10:08,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-04-05 21:10:08,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-05 21:10:08,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2024-04-05 21:10:08,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:10:12,754 INFO L85 PathProgramCache]: Analyzing trace with hash -1210404889, now seen corresponding path program 1 times [2024-04-05 21:10:12,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 21:10:12,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 21:10:12,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 21:10:12,819 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-04-05 21:10:12,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 21:10:12,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 21:10:12,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 21:10:12,878 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-04-05 21:10:12,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-04-05 21:10:12,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-04-05 21:10:14,517 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-04-05 21:10:14,706 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,SelfDestructingSolverStorable12,SelfDestructingSolverStorable13,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 21:10:14,707 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker@24e5230a at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.lock(ManagedScript.java:82) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.MonolithicHoareTripleChecker.isInductive(MonolithicHoareTripleChecker.java:174) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.MonolithicHoareTripleChecker.isInductive(MonolithicHoareTripleChecker.java:156) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.MonolithicHoareTripleChecker.checkInternal(MonolithicHoareTripleChecker.java:83) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton$InternalSuccessorComputationHelper.computeSuccWithSolver(AbstractInterpolantAutomaton.java:357) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.chooseFalseSuccessor2(BasicAbstractInterpolantAutomaton.java:107) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:73) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:233) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.TotalizeNwa.internalSuccessors(TotalizeNwa.java:246) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:218) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:202) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:218) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:202) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.LoopLockstepOrder$WrapperAutomaton.internalSuccessors(LoopLockstepOrder.java:196) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.LoopLockstepOrder$WrapperAutomaton.internalSuccessors(LoopLockstepOrder.java:1) at de.uni_freiburg.informatik.ultimate.automata.partialorder.MinimalSleepSetReduction.internalSuccessors(MinimalSleepSetReduction.java:169) at de.uni_freiburg.informatik.ultimate.automata.nestedword.INwaOutgoingLetterAndTransitionProvider.lambda$0(INwaOutgoingLetterAndTransitionProvider.java:123) at de.uni_freiburg.informatik.ultimate.util.datastructures.relation.NestedIterator.nextLetter(NestedIterator.java:69) at de.uni_freiburg.informatik.ultimate.util.datastructures.relation.NestedIterator.(NestedIterator.java:62) at de.uni_freiburg.informatik.ultimate.util.datastructures.relation.NestedIteratorNoopConstruction.(NestedIteratorNoopConstruction.java:48) at de.uni_freiburg.informatik.ultimate.automata.nestedword.INwaOutgoingLetterAndTransitionProvider.lambda$1(INwaOutgoingLetterAndTransitionProvider.java:124) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.ConditionalCommutativityCheckerVisitor.discoverState(ConditionalCommutativityCheckerVisitor.java:173) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.ConditionalCommutativityCheckerVisitor.discoverState(ConditionalCommutativityCheckerVisitor.java:1) at de.uni_freiburg.informatik.ultimate.automata.partialorder.visitors.DeadEndOptimizingSearchVisitor.discoverState(DeadEndOptimizingSearchVisitor.java:73) at de.uni_freiburg.informatik.ultimate.automata.partialorder.DepthFirstTraversal.visitState(DepthFirstTraversal.java:222) at de.uni_freiburg.informatik.ultimate.automata.partialorder.DepthFirstTraversal.traverse(DepthFirstTraversal.java:165) at de.uni_freiburg.informatik.ultimate.automata.partialorder.DepthFirstTraversal.(DepthFirstTraversal.java:98) at de.uni_freiburg.informatik.ultimate.automata.partialorder.DepthFirstTraversal.traverse(DepthFirstTraversal.java:122) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.PartialOrderReductionFacade.apply(PartialOrderReductionFacade.java:329) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.PartialOrderCegarLoop.isAbstractionEmpty(PartialOrderCegarLoop.java:362) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:466) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-04-05 21:10:14,711 INFO L158 Benchmark]: Toolchain (without parser) took 38717.74ms. Allocated memory was 257.9MB in the beginning and 916.5MB in the end (delta: 658.5MB). Free memory was 188.5MB in the beginning and 356.7MB in the end (delta: -168.2MB). Peak memory consumption was 490.9MB. Max. memory is 8.0GB. [2024-04-05 21:10:14,712 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 257.9MB. Free memory is still 225.1MB. There was no memory consumed. Max. memory is 8.0GB. [2024-04-05 21:10:14,712 INFO L158 Benchmark]: CACSL2BoogieTranslator took 286.77ms. Allocated memory is still 257.9MB. Free memory was 188.3MB in the beginning and 176.3MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2024-04-05 21:10:14,712 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.73ms. Allocated memory is still 257.9MB. Free memory was 176.3MB in the beginning and 174.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-04-05 21:10:14,712 INFO L158 Benchmark]: Boogie Preprocessor took 25.76ms. Allocated memory is still 257.9MB. Free memory was 174.2MB in the beginning and 172.6MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-04-05 21:10:14,713 INFO L158 Benchmark]: RCFGBuilder took 570.89ms. Allocated memory is still 257.9MB. Free memory was 172.6MB in the beginning and 213.3MB in the end (delta: -40.7MB). Peak memory consumption was 17.6MB. Max. memory is 8.0GB. [2024-04-05 21:10:14,713 INFO L158 Benchmark]: TraceAbstraction took 37785.14ms. Allocated memory was 257.9MB in the beginning and 916.5MB in the end (delta: 658.5MB). Free memory was 212.3MB in the beginning and 356.7MB in the end (delta: -144.4MB). Peak memory consumption was 515.2MB. Max. memory is 8.0GB. [2024-04-05 21:10:14,714 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 257.9MB. Free memory is still 225.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 286.77ms. Allocated memory is still 257.9MB. Free memory was 188.3MB in the beginning and 176.3MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 39.73ms. Allocated memory is still 257.9MB. Free memory was 176.3MB in the beginning and 174.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 25.76ms. Allocated memory is still 257.9MB. Free memory was 174.2MB in the beginning and 172.6MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 570.89ms. Allocated memory is still 257.9MB. Free memory was 172.6MB in the beginning and 213.3MB in the end (delta: -40.7MB). Peak memory consumption was 17.6MB. Max. memory is 8.0GB. * TraceAbstraction took 37785.14ms. Allocated memory was 257.9MB in the beginning and 916.5MB in the end (delta: 658.5MB). Free memory was 212.3MB in the beginning and 356.7MB in the end (delta: -144.4MB). Peak memory consumption was 515.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker@24e5230a de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker@24e5230a: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.lock(ManagedScript.java:82) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-04-05 21:10:14,729 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-04-05 21:10:14,935 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...