/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 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-three-array-max.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-3774817-m [2024-04-05 03:26:35,242 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-05 03:26:35,311 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-05 03:26:35,315 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-05 03:26:35,315 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-05 03:26:35,337 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-05 03:26:35,338 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-05 03:26:35,338 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-05 03:26:35,338 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-05 03:26:35,341 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-05 03:26:35,342 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-05 03:26:35,342 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-05 03:26:35,342 INFO L153 SettingsManager]: * Use SBE=true [2024-04-05 03:26:35,343 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-05 03:26:35,343 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-05 03:26:35,343 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-05 03:26:35,343 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-05 03:26:35,344 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-05 03:26:35,344 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-05 03:26:35,344 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-05 03:26:35,344 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-05 03:26:35,344 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-05 03:26:35,344 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-05 03:26:35,345 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-05 03:26:35,345 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-05 03:26:35,345 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-05 03:26:35,345 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-05 03:26:35,345 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-05 03:26:35,345 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-05 03:26:35,346 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-05 03:26:35,347 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-05 03:26:35,347 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-05 03:26:35,347 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-05 03:26:35,347 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-05 03:26:35,347 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-05 03:26:35,347 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-05 03:26:35,347 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-05 03:26:35,347 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-05 03:26:35,347 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-05 03:26:35,348 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> RANDOM Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: probability for random criterion as percentage -> 20 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: seed for random criterion -> 213 [2024-04-05 03:26:35,549 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-05 03:26:35,573 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-05 03:26:35,575 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-05 03:26:35,577 INFO L270 PluginConnector]: Initializing CDTParser... [2024-04-05 03:26:35,577 INFO L274 PluginConnector]: CDTParser initialized [2024-04-05 03:26:35,578 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-three-array-max.wvr.c [2024-04-05 03:26:36,526 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-04-05 03:26:36,703 INFO L384 CDTParser]: Found 1 translation units. [2024-04-05 03:26:36,703 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-three-array-max.wvr.c [2024-04-05 03:26:36,709 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/096da78d7/5b1b6402ee3c47828c343f09705576dd/FLAGa76f144e3 [2024-04-05 03:26:36,718 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/096da78d7/5b1b6402ee3c47828c343f09705576dd [2024-04-05 03:26:36,720 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-05 03:26:36,720 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-04-05 03:26:36,722 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-04-05 03:26:36,722 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-04-05 03:26:36,726 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-04-05 03:26:36,726 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 03:26:36" (1/1) ... [2024-04-05 03:26:36,727 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33e663dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:26:36, skipping insertion in model container [2024-04-05 03:26:36,727 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 03:26:36" (1/1) ... [2024-04-05 03:26:36,743 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-04-05 03:26:36,857 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-three-array-max.wvr.c[2823,2836] [2024-04-05 03:26:36,863 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-05 03:26:36,871 INFO L202 MainTranslator]: Completed pre-run [2024-04-05 03:26:36,893 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-three-array-max.wvr.c[2823,2836] [2024-04-05 03:26:36,896 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-05 03:26:36,902 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-04-05 03:26:36,902 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-04-05 03:26:36,907 INFO L206 MainTranslator]: Completed translation [2024-04-05 03:26:36,907 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:26:36 WrapperNode [2024-04-05 03:26:36,908 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-04-05 03:26:36,914 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-05 03:26:36,914 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-05 03:26:36,914 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-05 03:26:36,919 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:26:36" (1/1) ... [2024-04-05 03:26:36,926 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:26:36" (1/1) ... [2024-04-05 03:26:36,946 INFO L138 Inliner]: procedures = 26, calls = 57, calls flagged for inlining = 14, calls inlined = 22, statements flattened = 239 [2024-04-05 03:26:36,946 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-05 03:26:36,947 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-05 03:26:36,947 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-05 03:26:36,947 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-05 03:26:36,953 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:26:36" (1/1) ... [2024-04-05 03:26:36,954 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:26:36" (1/1) ... [2024-04-05 03:26:36,957 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:26:36" (1/1) ... [2024-04-05 03:26:36,957 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:26:36" (1/1) ... [2024-04-05 03:26:36,985 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:26:36" (1/1) ... [2024-04-05 03:26:37,001 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:26:36" (1/1) ... [2024-04-05 03:26:37,007 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:26:36" (1/1) ... [2024-04-05 03:26:37,008 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:26:36" (1/1) ... [2024-04-05 03:26:37,010 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-05 03:26:37,011 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-05 03:26:37,011 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-05 03:26:37,011 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-05 03:26:37,012 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:26:36" (1/1) ... [2024-04-05 03:26:37,016 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-05 03:26:37,032 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 03:26:37,044 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 03:26:37,056 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 03:26:37,083 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-04-05 03:26:37,083 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-04-05 03:26:37,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-04-05 03:26:37,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-04-05 03:26:37,083 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-04-05 03:26:37,084 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-04-05 03:26:37,084 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-04-05 03:26:37,084 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-04-05 03:26:37,084 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-04-05 03:26:37,084 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-04-05 03:26:37,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-04-05 03:26:37,084 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-04-05 03:26:37,084 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-04-05 03:26:37,084 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-04-05 03:26:37,084 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-05 03:26:37,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-05 03:26:37,084 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-04-05 03:26:37,086 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 03:26:37,161 INFO L241 CfgBuilder]: Building ICFG [2024-04-05 03:26:37,163 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-05 03:26:37,532 INFO L282 CfgBuilder]: Performing block encoding [2024-04-05 03:26:37,590 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-05 03:26:37,591 INFO L309 CfgBuilder]: Removed 6 assume(true) statements. [2024-04-05 03:26:37,592 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 03:26:37 BoogieIcfgContainer [2024-04-05 03:26:37,592 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-05 03:26:37,594 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-05 03:26:37,594 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-05 03:26:37,596 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-05 03:26:37,596 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.04 03:26:36" (1/3) ... [2024-04-05 03:26:37,597 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1838fae1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 03:26:37, skipping insertion in model container [2024-04-05 03:26:37,597 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:26:36" (2/3) ... [2024-04-05 03:26:37,597 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1838fae1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 03:26:37, skipping insertion in model container [2024-04-05 03:26:37,597 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 03:26:37" (3/3) ... [2024-04-05 03:26:37,598 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-three-array-max.wvr.c [2024-04-05 03:26:37,604 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-05 03:26:37,611 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-05 03:26:37,611 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-04-05 03:26:37,612 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-05 03:26:37,684 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-04-05 03:26:37,740 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-05 03:26:37,740 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-05 03:26:37,740 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 03:26:37,743 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 03:26:37,749 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 03:26:37,779 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-05 03:26:37,792 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 03:26:37,793 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-05 03:26:37,799 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;@3d49afec, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=RANDOM, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=20, mConComCheckerRandomSeed=213 [2024-04-05 03:26:37,800 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-04-05 03:26:38,822 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 03:26:38,826 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 03:26:38,826 INFO L85 PathProgramCache]: Analyzing trace with hash -934795254, now seen corresponding path program 1 times [2024-04-05 03:26:38,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 03:26:38,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482834407] [2024-04-05 03:26:38,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 03:26:38,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 03:26:38,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 03:26:39,199 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-04-05 03:26:39,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 03:26:39,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482834407] [2024-04-05 03:26:39,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1482834407] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 03:26:39,200 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-05 03:26:39,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-04-05 03:26:39,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346065880] [2024-04-05 03:26:39,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 03:26:39,209 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-04-05 03:26:39,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 03:26:39,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-04-05 03:26:39,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-04-05 03:26:39,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:26:39,235 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 03:26:39,236 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 130.0) internal successors, (260), 2 states have internal predecessors, (260), 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 03:26:39,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:26:39,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:26:39,706 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-04-05 03:26:39,707 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 03:26:39,707 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 03:26:39,707 INFO L85 PathProgramCache]: Analyzing trace with hash -539374646, now seen corresponding path program 1 times [2024-04-05 03:26:39,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 03:26:39,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567451133] [2024-04-05 03:26:39,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 03:26:39,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 03:26:39,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 03:26:40,186 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-04-05 03:26:40,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 03:26:40,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [567451133] [2024-04-05 03:26:40,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [567451133] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 03:26:40,187 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-05 03:26:40,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-05 03:26:40,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88906701] [2024-04-05 03:26:40,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 03:26:40,188 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-05 03:26:40,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 03:26:40,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-05 03:26:40,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-04-05 03:26:40,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:26:40,194 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 03:26:40,194 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 35.57142857142857) internal successors, (249), 7 states have internal predecessors, (249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 03:26:40,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:26:40,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:26:40,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:26:40,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 03:26:40,746 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-04-05 03:26:40,746 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 03:26:40,747 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 03:26:40,747 INFO L85 PathProgramCache]: Analyzing trace with hash 1459837985, now seen corresponding path program 1 times [2024-04-05 03:26:40,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 03:26:40,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14310590] [2024-04-05 03:26:40,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 03:26:40,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 03:26:40,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 03:26:41,087 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-04-05 03:26:41,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 03:26:41,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14310590] [2024-04-05 03:26:41,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [14310590] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 03:26:41,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1024863869] [2024-04-05 03:26:41,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 03:26:41,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 03:26:41,088 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 03:26:41,114 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 03:26:41,116 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 03:26:41,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 03:26:41,276 INFO L262 TraceCheckSpWp]: Trace formula consists of 644 conjuncts, 8 conjunts are in the unsatisfiable core [2024-04-05 03:26:41,283 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 03:26:41,576 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-04-05 03:26:41,576 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 03:26:41,822 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-04-05 03:26:41,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1024863869] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 03:26:41,823 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 03:26:41,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 19 [2024-04-05 03:26:41,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076536453] [2024-04-05 03:26:41,823 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 03:26:41,824 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-04-05 03:26:41,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 03:26:41,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-04-05 03:26:41,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=259, Unknown=0, NotChecked=0, Total=342 [2024-04-05 03:26:41,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:26:41,825 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 03:26:41,825 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 18.42105263157895) internal successors, (350), 19 states have internal predecessors, (350), 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 03:26:41,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:26:41,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 03:26:41,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:26:42,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:26:42,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 03:26:42,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-05 03:26:42,480 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-04-05 03:26:42,682 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-04-05 03:26:42,682 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 03:26:42,682 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 03:26:42,683 INFO L85 PathProgramCache]: Analyzing trace with hash -1038471816, now seen corresponding path program 2 times [2024-04-05 03:26:42,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 03:26:42,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345801993] [2024-04-05 03:26:42,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 03:26:42,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 03:26:42,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 03:26:43,081 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 46 proven. 11 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-04-05 03:26:43,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 03:26:43,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1345801993] [2024-04-05 03:26:43,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1345801993] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 03:26:43,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1695997317] [2024-04-05 03:26:43,082 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-05 03:26:43,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 03:26:43,082 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 03:26:43,083 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 03:26:43,085 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 03:26:43,243 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-05 03:26:43,244 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 03:26:43,246 INFO L262 TraceCheckSpWp]: Trace formula consists of 686 conjuncts, 10 conjunts are in the unsatisfiable core [2024-04-05 03:26:43,251 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 03:26:43,525 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 41 proven. 11 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-04-05 03:26:43,525 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 03:26:43,736 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 42 proven. 9 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-04-05 03:26:43,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1695997317] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 03:26:43,736 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 03:26:43,737 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11, 10] total 30 [2024-04-05 03:26:43,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399812162] [2024-04-05 03:26:43,737 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 03:26:43,738 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-04-05 03:26:43,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 03:26:43,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-04-05 03:26:43,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=768, Unknown=0, NotChecked=0, Total=870 [2024-04-05 03:26:43,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:26:43,739 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 03:26:43,740 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 20.133333333333333) internal successors, (604), 30 states have internal predecessors, (604), 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 03:26:43,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:26:43,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 03:26:43,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-05 03:26:43,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:26:45,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:26:45,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 03:26:45,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-05 03:26:45,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2024-04-05 03:26:45,553 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-04-05 03:26:45,750 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 03:26:45,751 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 03:26:45,751 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 03:26:45,751 INFO L85 PathProgramCache]: Analyzing trace with hash -63002031, now seen corresponding path program 3 times [2024-04-05 03:26:45,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 03:26:45,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548166255] [2024-04-05 03:26:45,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 03:26:45,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 03:26:45,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 03:26:46,302 INFO L134 CoverageAnalysis]: Checked inductivity of 349 backedges. 186 proven. 64 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2024-04-05 03:26:46,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 03:26:46,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548166255] [2024-04-05 03:26:46,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [548166255] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 03:26:46,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [885003667] [2024-04-05 03:26:46,302 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-05 03:26:46,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 03:26:46,303 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 03:26:46,303 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 03:26:46,328 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 03:26:46,726 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-04-05 03:26:46,726 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 03:26:46,731 INFO L262 TraceCheckSpWp]: Trace formula consists of 820 conjuncts, 53 conjunts are in the unsatisfiable core [2024-04-05 03:26:46,735 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 03:26:47,551 INFO L134 CoverageAnalysis]: Checked inductivity of 349 backedges. 257 proven. 27 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-04-05 03:26:47,551 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 03:26:48,064 INFO L134 CoverageAnalysis]: Checked inductivity of 349 backedges. 223 proven. 27 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2024-04-05 03:26:48,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [885003667] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 03:26:48,064 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 03:26:48,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 26, 18] total 52 [2024-04-05 03:26:48,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107201565] [2024-04-05 03:26:48,068 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 03:26:48,069 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2024-04-05 03:26:48,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 03:26:48,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2024-04-05 03:26:48,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=389, Invalid=2263, Unknown=0, NotChecked=0, Total=2652 [2024-04-05 03:26:48,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:26:48,071 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 03:26:48,072 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 52 states have (on average 13.865384615384615) internal successors, (721), 52 states have internal predecessors, (721), 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 03:26:48,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:26:48,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 03:26:48,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-05 03:26:48,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2024-04-05 03:26:48,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:26:49,446 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-05 03:26:49,448 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 104 treesize of output 86 [2024-04-05 03:26:51,637 INFO L85 PathProgramCache]: Analyzing trace with hash -1810561522, now seen corresponding path program 1 times [2024-04-05 03:26:51,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 03:26:51,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 03:26:51,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 03:26:52,282 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 45 proven. 87 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2024-04-05 03:26:52,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 03:26:52,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 03:26:52,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 03:26:52,723 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 45 proven. 87 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2024-04-05 03:26:52,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:26:52,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 03:26:52,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-05 03:26:52,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2024-04-05 03:26:52,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-04-05 03:26:52,787 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 03:26:52,987 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable6,SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 03:26:52,987 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 03:26:52,988 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 03:26:52,988 INFO L85 PathProgramCache]: Analyzing trace with hash -1925659224, now seen corresponding path program 4 times [2024-04-05 03:26:52,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 03:26:52,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317258784] [2024-04-05 03:26:52,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 03:26:52,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 03:26:53,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 03:26:53,758 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 221 proven. 98 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-04-05 03:26:53,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 03:26:53,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [317258784] [2024-04-05 03:26:53,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [317258784] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 03:26:53,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1535149387] [2024-04-05 03:26:53,759 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-05 03:26:53,759 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 03:26:53,759 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 03:26:53,760 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 03:26:53,776 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 03:26:53,918 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-05 03:26:53,918 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 03:26:53,921 INFO L262 TraceCheckSpWp]: Trace formula consists of 717 conjuncts, 20 conjunts are in the unsatisfiable core [2024-04-05 03:26:53,925 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 03:26:54,685 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 242 proven. 52 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2024-04-05 03:26:54,685 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 03:26:55,305 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 242 proven. 52 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2024-04-05 03:26:55,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1535149387] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 03:26:55,305 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 03:26:55,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 21, 21] total 52 [2024-04-05 03:26:55,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321701951] [2024-04-05 03:26:55,306 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 03:26:55,307 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2024-04-05 03:26:55,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 03:26:55,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2024-04-05 03:26:55,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=419, Invalid=2233, Unknown=0, NotChecked=0, Total=2652 [2024-04-05 03:26:55,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:26:55,308 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 03:26:55,309 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 52 states have (on average 12.115384615384615) internal successors, (630), 52 states have internal predecessors, (630), 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 03:26:55,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:26:55,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 03:26:55,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-05 03:26:55,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2024-04-05 03:26:55,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-04-05 03:26:55,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:26:56,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:26:56,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 03:26:56,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-05 03:26:56,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2024-04-05 03:26:56,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-04-05 03:26:56,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-05 03:26:56,323 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 03:26:56,521 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 03:26:56,521 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 03:26:56,521 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 03:26:56,521 INFO L85 PathProgramCache]: Analyzing trace with hash 1739006463, now seen corresponding path program 5 times [2024-04-05 03:26:56,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 03:26:56,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368901614] [2024-04-05 03:26:56,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 03:26:56,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 03:26:56,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 03:26:57,218 INFO L134 CoverageAnalysis]: Checked inductivity of 523 backedges. 71 proven. 257 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2024-04-05 03:26:57,218 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 03:26:57,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368901614] [2024-04-05 03:26:57,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [368901614] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 03:26:57,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1690647430] [2024-04-05 03:26:57,219 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-05 03:26:57,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 03:26:57,219 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 03:26:57,220 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 03:26:57,222 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 03:26:59,135 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2024-04-05 03:26:59,135 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 03:26:59,142 INFO L262 TraceCheckSpWp]: Trace formula consists of 904 conjuncts, 22 conjunts are in the unsatisfiable core [2024-04-05 03:26:59,147 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 03:26:59,736 INFO L134 CoverageAnalysis]: Checked inductivity of 523 backedges. 62 proven. 206 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2024-04-05 03:26:59,737 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 03:27:00,091 INFO L134 CoverageAnalysis]: Checked inductivity of 523 backedges. 177 proven. 4 refuted. 0 times theorem prover too weak. 342 trivial. 0 not checked. [2024-04-05 03:27:00,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1690647430] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 03:27:00,091 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 03:27:00,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 19, 11] total 47 [2024-04-05 03:27:00,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681903507] [2024-04-05 03:27:00,092 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 03:27:00,092 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2024-04-05 03:27:00,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 03:27:00,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2024-04-05 03:27:00,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=172, Invalid=1990, Unknown=0, NotChecked=0, Total=2162 [2024-04-05 03:27:00,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:27:00,094 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 03:27:00,094 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 47 states have (on average 16.085106382978722) internal successors, (756), 47 states have internal predecessors, (756), 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 03:27:00,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:27:00,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 03:27:00,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-05 03:27:00,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2024-04-05 03:27:00,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-04-05 03:27:00,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-05 03:27:00,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:27:03,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:27:03,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 03:27:03,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-05 03:27:03,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2024-04-05 03:27:03,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-04-05 03:27:03,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-05 03:27:03,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-04-05 03:27:03,338 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 03:27:03,531 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 03:27:03,531 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 03:27:03,532 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 03:27:03,532 INFO L85 PathProgramCache]: Analyzing trace with hash -1264037377, now seen corresponding path program 6 times [2024-04-05 03:27:03,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 03:27:03,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233392210] [2024-04-05 03:27:03,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 03:27:03,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 03:27:03,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 03:27:04,264 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 205 proven. 131 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2024-04-05 03:27:04,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 03:27:04,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233392210] [2024-04-05 03:27:04,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [233392210] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 03:27:04,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [395642875] [2024-04-05 03:27:04,265 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-04-05 03:27:04,265 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 03:27:04,265 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 03:27:04,266 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 03:27:04,293 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 03:27:04,770 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2024-04-05 03:27:04,770 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 03:27:04,776 INFO L262 TraceCheckSpWp]: Trace formula consists of 911 conjuncts, 55 conjunts are in the unsatisfiable core [2024-04-05 03:27:04,784 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 03:27:06,061 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 317 proven. 85 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2024-04-05 03:27:06,061 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 03:27:07,039 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 251 proven. 118 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2024-04-05 03:27:07,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [395642875] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 03:27:07,040 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 03:27:07,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 36, 26] total 74 [2024-04-05 03:27:07,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608422813] [2024-04-05 03:27:07,040 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 03:27:07,041 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 74 states [2024-04-05 03:27:07,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 03:27:07,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 74 interpolants. [2024-04-05 03:27:07,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=764, Invalid=4638, Unknown=0, NotChecked=0, Total=5402 [2024-04-05 03:27:07,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:27:07,044 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 03:27:07,045 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 74 states, 74 states have (on average 11.027027027027026) internal successors, (816), 74 states have internal predecessors, (816), 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 03:27:07,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:27:07,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 03:27:07,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-05 03:27:07,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2024-04-05 03:27:07,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-04-05 03:27:07,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-05 03:27:07,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2024-04-05 03:27:07,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:27:08,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:27:08,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 03:27:08,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-05 03:27:08,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2024-04-05 03:27:08,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-04-05 03:27:08,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-05 03:27:08,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-04-05 03:27:08,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-04-05 03:27:08,480 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 03:27:08,666 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,SelfDestructingSolverStorable9 [2024-04-05 03:27:08,667 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 03:27:08,667 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 03:27:08,667 INFO L85 PathProgramCache]: Analyzing trace with hash 249728008, now seen corresponding path program 7 times [2024-04-05 03:27:08,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 03:27:08,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271925365] [2024-04-05 03:27:08,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 03:27:08,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 03:27:08,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 03:27:09,413 INFO L134 CoverageAnalysis]: Checked inductivity of 629 backedges. 65 proven. 312 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2024-04-05 03:27:09,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 03:27:09,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271925365] [2024-04-05 03:27:09,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [271925365] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 03:27:09,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2010526073] [2024-04-05 03:27:09,414 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-04-05 03:27:09,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 03:27:09,414 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 03:27:09,415 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 03:27:09,417 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 03:27:09,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 03:27:09,604 INFO L262 TraceCheckSpWp]: Trace formula consists of 953 conjuncts, 24 conjunts are in the unsatisfiable core [2024-04-05 03:27:09,609 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 03:27:10,573 INFO L134 CoverageAnalysis]: Checked inductivity of 629 backedges. 94 proven. 283 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2024-04-05 03:27:10,573 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 03:27:11,444 INFO L134 CoverageAnalysis]: Checked inductivity of 629 backedges. 135 proven. 242 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2024-04-05 03:27:11,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2010526073] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 03:27:11,445 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 03:27:11,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25, 25] total 60 [2024-04-05 03:27:11,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709972013] [2024-04-05 03:27:11,445 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 03:27:11,446 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 60 states [2024-04-05 03:27:11,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 03:27:11,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2024-04-05 03:27:11,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=552, Invalid=2988, Unknown=0, NotChecked=0, Total=3540 [2024-04-05 03:27:11,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:27:11,448 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 03:27:11,448 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 60 states, 60 states have (on average 11.55) internal successors, (693), 60 states have internal predecessors, (693), 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 03:27:11,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:27:11,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 03:27:11,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-05 03:27:11,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2024-04-05 03:27:11,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-04-05 03:27:11,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-05 03:27:11,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2024-04-05 03:27:11,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-04-05 03:27:11,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:27:13,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:27:13,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 03:27:13,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-05 03:27:13,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2024-04-05 03:27:13,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-04-05 03:27:13,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-05 03:27:13,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2024-04-05 03:27:13,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-04-05 03:27:13,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-04-05 03:27:13,739 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 03:27:13,939 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 03:27:13,940 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 03:27:13,940 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 03:27:13,940 INFO L85 PathProgramCache]: Analyzing trace with hash -177588708, now seen corresponding path program 8 times [2024-04-05 03:27:13,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 03:27:13,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515051563] [2024-04-05 03:27:13,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 03:27:13,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 03:27:14,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 03:27:15,050 INFO L134 CoverageAnalysis]: Checked inductivity of 1090 backedges. 559 proven. 278 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2024-04-05 03:27:15,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 03:27:15,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515051563] [2024-04-05 03:27:15,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [515051563] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 03:27:15,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1858636976] [2024-04-05 03:27:15,051 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-05 03:27:15,051 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 03:27:15,051 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 03:27:15,052 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 03:27:15,052 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-04-05 03:27:15,268 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-05 03:27:15,268 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 03:27:15,271 INFO L262 TraceCheckSpWp]: Trace formula consists of 1094 conjuncts, 28 conjunts are in the unsatisfiable core [2024-04-05 03:27:15,276 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 03:27:16,341 INFO L134 CoverageAnalysis]: Checked inductivity of 1090 backedges. 653 proven. 126 refuted. 0 times theorem prover too weak. 311 trivial. 0 not checked. [2024-04-05 03:27:16,341 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 03:27:17,376 INFO L134 CoverageAnalysis]: Checked inductivity of 1090 backedges. 653 proven. 126 refuted. 0 times theorem prover too weak. 311 trivial. 0 not checked. [2024-04-05 03:27:17,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1858636976] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 03:27:17,377 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 03:27:17,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 29, 29] total 81 [2024-04-05 03:27:17,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430995648] [2024-04-05 03:27:17,377 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 03:27:17,378 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 81 states [2024-04-05 03:27:17,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 03:27:17,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 81 interpolants. [2024-04-05 03:27:17,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=791, Invalid=5689, Unknown=0, NotChecked=0, Total=6480 [2024-04-05 03:27:17,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:27:17,384 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 03:27:17,385 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 81 states, 81 states have (on average 11.728395061728396) internal successors, (950), 81 states have internal predecessors, (950), 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 03:27:17,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:27:17,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 03:27:17,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-05 03:27:17,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2024-04-05 03:27:17,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-04-05 03:27:17,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-05 03:27:17,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2024-04-05 03:27:17,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-04-05 03:27:17,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2024-04-05 03:27:17,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:27:19,161 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-05 03:27:19,162 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 104 treesize of output 86 [2024-04-05 03:27:21,610 INFO L85 PathProgramCache]: Analyzing trace with hash 1406172771, now seen corresponding path program 2 times [2024-04-05 03:27:21,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 03:27:21,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 03:27:21,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 03:27:22,549 INFO L134 CoverageAnalysis]: Checked inductivity of 1001 backedges. 375 proven. 261 refuted. 0 times theorem prover too weak. 365 trivial. 0 not checked. [2024-04-05 03:27:22,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 03:27:22,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 03:27:22,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 03:27:23,221 INFO L134 CoverageAnalysis]: Checked inductivity of 1001 backedges. 375 proven. 261 refuted. 0 times theorem prover too weak. 365 trivial. 0 not checked. [2024-04-05 03:27:23,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:27:23,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 03:27:23,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-05 03:27:23,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2024-04-05 03:27:23,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-04-05 03:27:23,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-05 03:27:23,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2024-04-05 03:27:23,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-04-05 03:27:23,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-04-05 03:27:23,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-04-05 03:27:23,274 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-04-05 03:27:23,474 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12,SelfDestructingSolverStorable13 [2024-04-05 03:27:23,475 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 03:27:23,475 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 03:27:23,475 INFO L85 PathProgramCache]: Analyzing trace with hash 510932709, now seen corresponding path program 9 times [2024-04-05 03:27:23,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 03:27:23,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930805716] [2024-04-05 03:27:23,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 03:27:23,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 03:27:23,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 03:27:24,594 INFO L134 CoverageAnalysis]: Checked inductivity of 1237 backedges. 559 proven. 327 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2024-04-05 03:27:24,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 03:27:24,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930805716] [2024-04-05 03:27:24,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [930805716] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 03:27:24,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [383930877] [2024-04-05 03:27:24,595 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-05 03:27:24,595 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 03:27:24,595 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 03:27:24,596 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 03:27:24,620 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-04-05 03:27:26,937 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2024-04-05 03:27:26,937 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 03:27:26,946 INFO L262 TraceCheckSpWp]: Trace formula consists of 1136 conjuncts, 50 conjunts are in the unsatisfiable core [2024-04-05 03:27:26,958 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 03:27:28,570 INFO L134 CoverageAnalysis]: Checked inductivity of 1237 backedges. 761 proven. 175 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2024-04-05 03:27:28,570 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 03:27:30,014 INFO L134 CoverageAnalysis]: Checked inductivity of 1237 backedges. 712 proven. 175 refuted. 0 times theorem prover too weak. 350 trivial. 0 not checked. [2024-04-05 03:27:30,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [383930877] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 03:27:30,015 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 03:27:30,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 42, 35] total 103 [2024-04-05 03:27:30,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041809069] [2024-04-05 03:27:30,015 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 03:27:30,016 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 103 states [2024-04-05 03:27:30,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 03:27:30,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 103 interpolants. [2024-04-05 03:27:30,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1196, Invalid=9310, Unknown=0, NotChecked=0, Total=10506 [2024-04-05 03:27:30,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:27:30,019 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 03:27:30,020 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 103 states, 103 states have (on average 12.116504854368932) internal successors, (1248), 103 states have internal predecessors, (1248), 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 03:27:30,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:27:30,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 03:27:30,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-05 03:27:30,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2024-04-05 03:27:30,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-04-05 03:27:30,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-05 03:27:30,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2024-04-05 03:27:30,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-04-05 03:27:30,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2024-04-05 03:27:30,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-04-05 03:27:30,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:27:32,564 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-05 03:27:32,564 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 104 treesize of output 86 [2024-04-05 03:27:34,846 INFO L85 PathProgramCache]: Analyzing trace with hash 2069795890, now seen corresponding path program 3 times [2024-04-05 03:27:34,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 03:27:34,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 03:27:35,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 03:27:36,081 INFO L134 CoverageAnalysis]: Checked inductivity of 1367 backedges. 14 proven. 297 refuted. 0 times theorem prover too weak. 1056 trivial. 0 not checked. [2024-04-05 03:27:36,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 03:27:36,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 03:27:36,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 03:27:36,914 INFO L134 CoverageAnalysis]: Checked inductivity of 1367 backedges. 14 proven. 297 refuted. 0 times theorem prover too weak. 1056 trivial. 0 not checked. [2024-04-05 03:27:36,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:27:36,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 03:27:36,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-05 03:27:36,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2024-04-05 03:27:36,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-04-05 03:27:36,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-05 03:27:36,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2024-04-05 03:27:36,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-04-05 03:27:36,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-04-05 03:27:36,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-04-05 03:27:36,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-04-05 03:27:36,964 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-04-05 03:27:37,153 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14,SelfDestructingSolverStorable15,SelfDestructingSolverStorable16 [2024-04-05 03:27:37,154 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 03:27:37,154 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 03:27:37,154 INFO L85 PathProgramCache]: Analyzing trace with hash -1663888009, now seen corresponding path program 10 times [2024-04-05 03:27:37,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 03:27:37,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769454686] [2024-04-05 03:27:37,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 03:27:37,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 03:27:37,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 03:27:38,322 INFO L134 CoverageAnalysis]: Checked inductivity of 1603 backedges. 147 proven. 830 refuted. 0 times theorem prover too weak. 626 trivial. 0 not checked. [2024-04-05 03:27:38,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 03:27:38,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [769454686] [2024-04-05 03:27:38,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [769454686] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 03:27:38,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1502078842] [2024-04-05 03:27:38,323 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-05 03:27:38,323 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 03:27:38,323 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 03:27:38,324 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 03:27:38,325 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-04-05 03:27:38,578 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-05 03:27:38,578 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 03:27:38,582 INFO L262 TraceCheckSpWp]: Trace formula consists of 1007 conjuncts, 34 conjunts are in the unsatisfiable core [2024-04-05 03:27:38,587 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 03:27:40,209 INFO L134 CoverageAnalysis]: Checked inductivity of 1603 backedges. 247 proven. 738 refuted. 0 times theorem prover too weak. 618 trivial. 0 not checked. [2024-04-05 03:27:40,210 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 03:27:41,514 INFO L134 CoverageAnalysis]: Checked inductivity of 1603 backedges. 312 proven. 673 refuted. 0 times theorem prover too weak. 618 trivial. 0 not checked. [2024-04-05 03:27:41,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1502078842] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 03:27:41,515 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 03:27:41,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 35, 35] total 85 [2024-04-05 03:27:41,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625599917] [2024-04-05 03:27:41,515 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 03:27:41,516 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 85 states [2024-04-05 03:27:41,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 03:27:41,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants. [2024-04-05 03:27:41,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1107, Invalid=6033, Unknown=0, NotChecked=0, Total=7140 [2024-04-05 03:27:41,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:27:41,519 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 03:27:41,519 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 85 states, 85 states have (on average 11.847058823529412) internal successors, (1007), 85 states have internal predecessors, (1007), 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 03:27:41,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:27:41,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 03:27:41,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-05 03:27:41,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2024-04-05 03:27:41,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-04-05 03:27:41,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-05 03:27:41,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2024-04-05 03:27:41,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-04-05 03:27:41,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2024-04-05 03:27:41,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-04-05 03:27:41,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-04-05 03:27:41,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:27:44,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:27:44,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 03:27:44,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-05 03:27:44,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2024-04-05 03:27:44,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-04-05 03:27:44,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-05 03:27:44,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2024-04-05 03:27:44,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-04-05 03:27:44,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-04-05 03:27:44,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-04-05 03:27:44,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-04-05 03:27:44,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2024-04-05 03:27:44,642 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-04-05 03:27:44,832 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-04-05 03:27:44,834 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 03:27:44,834 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 03:27:44,835 INFO L85 PathProgramCache]: Analyzing trace with hash -98520669, now seen corresponding path program 11 times [2024-04-05 03:27:44,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 03:27:44,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080167044] [2024-04-05 03:27:44,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 03:27:44,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 03:27:44,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 03:27:46,328 INFO L134 CoverageAnalysis]: Checked inductivity of 1856 backedges. 859 proven. 403 refuted. 0 times theorem prover too weak. 594 trivial. 0 not checked. [2024-04-05 03:27:46,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 03:27:46,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1080167044] [2024-04-05 03:27:46,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1080167044] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 03:27:46,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [7407694] [2024-04-05 03:27:46,328 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-05 03:27:46,328 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 03:27:46,328 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 03:27:46,329 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 03:27:46,331 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-04-05 03:35:03,274 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2024-04-05 03:35:03,274 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 03:35:03,359 INFO L262 TraceCheckSpWp]: Trace formula consists of 1291 conjuncts, 36 conjunts are in the unsatisfiable core [2024-04-05 03:35:03,368 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 03:35:04,931 INFO L134 CoverageAnalysis]: Checked inductivity of 1856 backedges. 17 proven. 948 refuted. 0 times theorem prover too weak. 891 trivial. 0 not checked. [2024-04-05 03:35:04,931 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 03:35:05,382 INFO L134 CoverageAnalysis]: Checked inductivity of 1856 backedges. 17 proven. 128 refuted. 0 times theorem prover too weak. 1711 trivial. 0 not checked. [2024-04-05 03:35:05,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [7407694] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 03:35:05,383 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 03:35:05,383 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 37, 8] total 81 [2024-04-05 03:35:05,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491971850] [2024-04-05 03:35:05,383 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 03:35:05,384 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 81 states [2024-04-05 03:35:05,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 03:35:05,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 81 interpolants. [2024-04-05 03:35:05,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=378, Invalid=6102, Unknown=0, NotChecked=0, Total=6480 [2024-04-05 03:35:05,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:35:05,387 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 03:35:05,387 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 81 states, 81 states have (on average 12.666666666666666) internal successors, (1026), 81 states have internal predecessors, (1026), 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 03:35:05,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:35:05,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 03:35:05,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-05 03:35:05,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2024-04-05 03:35:05,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-04-05 03:35:05,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-05 03:35:05,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2024-04-05 03:35:05,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-04-05 03:35:05,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2024-04-05 03:35:05,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-04-05 03:35:05,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-04-05 03:35:05,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2024-04-05 03:35:05,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:35:14,183 INFO L349 Elim1Store]: treesize reduction 8, result has 79.5 percent of original size [2024-04-05 03:35:14,184 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 104 treesize of output 78 [2024-04-05 03:35:16,505 INFO L85 PathProgramCache]: Analyzing trace with hash 872113673, now seen corresponding path program 4 times [2024-04-05 03:35:16,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 03:35:16,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 03:35:16,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 03:35:17,300 INFO L134 CoverageAnalysis]: Checked inductivity of 2596 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2596 trivial. 0 not checked. [2024-04-05 03:35:17,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 03:35:17,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 03:35:17,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 03:35:17,730 INFO L134 CoverageAnalysis]: Checked inductivity of 2596 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2596 trivial. 0 not checked. [2024-04-05 03:35:17,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-04-05 03:35:17,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=234, Invalid=3672, Unknown=0, NotChecked=0, Total=3906 [2024-04-05 03:35:19,611 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-04-05 03:35:19,774 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,SelfDestructingSolverStorable19,13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-04-05 03:35:19,774 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@595ae582 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 03:35:19,778 INFO L158 Benchmark]: Toolchain (without parser) took 523057.25ms. Allocated memory was 183.5MB in the beginning and 1.1GB in the end (delta: 957.3MB). Free memory was 119.0MB in the beginning and 422.2MB in the end (delta: -303.2MB). Peak memory consumption was 690.8MB. Max. memory is 8.0GB. [2024-04-05 03:35:19,778 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 183.5MB. Free memory is still 123.3MB. There was no memory consumed. Max. memory is 8.0GB. [2024-04-05 03:35:19,778 INFO L158 Benchmark]: CACSL2BoogieTranslator took 190.53ms. Allocated memory is still 183.5MB. Free memory was 118.8MB in the beginning and 106.3MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2024-04-05 03:35:19,778 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.57ms. Allocated memory is still 183.5MB. Free memory was 106.3MB in the beginning and 103.8MB in the end (delta: 2.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2024-04-05 03:35:19,778 INFO L158 Benchmark]: Boogie Preprocessor took 63.78ms. Allocated memory is still 183.5MB. Free memory was 103.8MB in the beginning and 156.9MB in the end (delta: -53.0MB). Peak memory consumption was 8.0MB. Max. memory is 8.0GB. [2024-04-05 03:35:19,779 INFO L158 Benchmark]: RCFGBuilder took 581.01ms. Allocated memory is still 183.5MB. Free memory was 156.9MB in the beginning and 121.2MB in the end (delta: 35.7MB). Peak memory consumption was 35.7MB. Max. memory is 8.0GB. [2024-04-05 03:35:19,779 INFO L158 Benchmark]: TraceAbstraction took 522183.67ms. Allocated memory was 183.5MB in the beginning and 1.1GB in the end (delta: 957.3MB). Free memory was 119.6MB in the beginning and 422.2MB in the end (delta: -302.6MB). Peak memory consumption was 690.1MB. Max. memory is 8.0GB. [2024-04-05 03:35:19,780 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 183.5MB. Free memory is still 123.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 190.53ms. Allocated memory is still 183.5MB. Free memory was 118.8MB in the beginning and 106.3MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 32.57ms. Allocated memory is still 183.5MB. Free memory was 106.3MB in the beginning and 103.8MB in the end (delta: 2.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 63.78ms. Allocated memory is still 183.5MB. Free memory was 103.8MB in the beginning and 156.9MB in the end (delta: -53.0MB). Peak memory consumption was 8.0MB. Max. memory is 8.0GB. * RCFGBuilder took 581.01ms. Allocated memory is still 183.5MB. Free memory was 156.9MB in the beginning and 121.2MB in the end (delta: 35.7MB). Peak memory consumption was 35.7MB. Max. memory is 8.0GB. * TraceAbstraction took 522183.67ms. Allocated memory was 183.5MB in the beginning and 1.1GB in the end (delta: 957.3MB). Free memory was 119.6MB in the beginning and 422.2MB in the end (delta: -302.6MB). Peak memory consumption was 690.1MB. 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@595ae582 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker@595ae582: 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 03:35:19,793 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 03:35:20,006 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...