/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking DFS --traceabstraction.criterion.for.conditional.commutativity.checking RANDOM --traceabstraction.probability.for.random.criterion 20 --traceabstraction.seed.for.random.criterion 546 --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 10 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-more-vector-add.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-3774817-m [2024-04-06 02:56:17,717 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-06 02:56:17,767 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-06 02:56:17,770 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-06 02:56:17,771 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-06 02:56:17,832 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-06 02:56:17,832 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-06 02:56:17,833 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-06 02:56:17,833 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-06 02:56:17,833 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-06 02:56:17,834 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-06 02:56:17,834 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-06 02:56:17,834 INFO L153 SettingsManager]: * Use SBE=true [2024-04-06 02:56:17,834 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-06 02:56:17,835 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-06 02:56:17,835 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-06 02:56:17,835 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-06 02:56:17,835 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-06 02:56:17,836 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-06 02:56:17,836 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-06 02:56:17,836 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-06 02:56:17,844 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-06 02:56:17,845 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-06 02:56:17,846 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-06 02:56:17,848 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-06 02:56:17,849 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-06 02:56:17,849 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-06 02:56:17,849 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-06 02:56:17,849 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-06 02:56:17,849 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-06 02:56:17,850 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-06 02:56:17,850 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-06 02:56:17,850 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-06 02:56:17,850 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-06 02:56:17,850 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-06 02:56:17,850 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-06 02:56:17,850 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-06 02:56:17,851 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-06 02:56:17,851 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-06 02:56:17,851 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> RANDOM Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: probability for random criterion as percentage -> 20 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: seed for random criterion -> 546 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 10 [2024-04-06 02:56:18,042 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-06 02:56:18,056 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-06 02:56:18,058 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-06 02:56:18,059 INFO L270 PluginConnector]: Initializing CDTParser... [2024-04-06 02:56:18,066 INFO L274 PluginConnector]: CDTParser initialized [2024-04-06 02:56:18,067 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-more-vector-add.wvr.c [2024-04-06 02:56:19,068 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-04-06 02:56:19,230 INFO L384 CDTParser]: Found 1 translation units. [2024-04-06 02:56:19,230 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-vector-add.wvr.c [2024-04-06 02:56:19,236 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/657a40ac8/99b420a94b674fff9e5c0aa881c2f9ce/FLAG91f73c40a [2024-04-06 02:56:19,245 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/657a40ac8/99b420a94b674fff9e5c0aa881c2f9ce [2024-04-06 02:56:19,247 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-06 02:56:19,248 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-04-06 02:56:19,249 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-04-06 02:56:19,249 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-04-06 02:56:19,252 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-04-06 02:56:19,253 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.04 02:56:19" (1/1) ... [2024-04-06 02:56:19,254 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bbc8222 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 02:56:19, skipping insertion in model container [2024-04-06 02:56:19,254 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.04 02:56:19" (1/1) ... [2024-04-06 02:56:19,277 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-04-06 02:56:19,443 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-more-vector-add.wvr.c[2598,2611] [2024-04-06 02:56:19,458 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-06 02:56:19,466 INFO L202 MainTranslator]: Completed pre-run [2024-04-06 02:56:19,538 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-more-vector-add.wvr.c[2598,2611] [2024-04-06 02:56:19,540 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-06 02:56:19,551 INFO L206 MainTranslator]: Completed translation [2024-04-06 02:56:19,551 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 02:56:19 WrapperNode [2024-04-06 02:56:19,551 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-04-06 02:56:19,553 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-06 02:56:19,553 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-06 02:56:19,553 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-06 02:56:19,558 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 02:56:19" (1/1) ... [2024-04-06 02:56:19,564 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 02:56:19" (1/1) ... [2024-04-06 02:56:19,581 INFO L138 Inliner]: procedures = 25, calls = 46, calls flagged for inlining = 11, calls inlined = 17, statements flattened = 203 [2024-04-06 02:56:19,582 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-06 02:56:19,582 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-06 02:56:19,582 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-06 02:56:19,582 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-06 02:56:19,589 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 02:56:19" (1/1) ... [2024-04-06 02:56:19,590 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 02:56:19" (1/1) ... [2024-04-06 02:56:19,592 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 02:56:19" (1/1) ... [2024-04-06 02:56:19,592 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 02:56:19" (1/1) ... [2024-04-06 02:56:19,598 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 02:56:19" (1/1) ... [2024-04-06 02:56:19,613 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 02:56:19" (1/1) ... [2024-04-06 02:56:19,614 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 02:56:19" (1/1) ... [2024-04-06 02:56:19,615 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 02:56:19" (1/1) ... [2024-04-06 02:56:19,618 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-06 02:56:19,618 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-06 02:56:19,618 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-06 02:56:19,618 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-06 02:56:19,619 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 02:56:19" (1/1) ... [2024-04-06 02:56:19,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-06 02:56:19,638 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 02:56:19,685 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) [2024-04-06 02:56:19,724 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 [2024-04-06 02:56:19,744 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-04-06 02:56:19,744 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-04-06 02:56:19,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-04-06 02:56:19,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-04-06 02:56:19,744 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-04-06 02:56:19,744 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-04-06 02:56:19,744 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-04-06 02:56:19,745 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-04-06 02:56:19,745 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-04-06 02:56:19,745 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-04-06 02:56:19,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-04-06 02:56:19,745 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-04-06 02:56:19,745 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-06 02:56:19,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-06 02:56:19,746 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-04-06 02:56:19,747 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-04-06 02:56:19,854 INFO L241 CfgBuilder]: Building ICFG [2024-04-06 02:56:19,856 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-06 02:56:20,158 INFO L282 CfgBuilder]: Performing block encoding [2024-04-06 02:56:20,169 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-06 02:56:20,169 INFO L309 CfgBuilder]: Removed 7 assume(true) statements. [2024-04-06 02:56:20,170 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.04 02:56:20 BoogieIcfgContainer [2024-04-06 02:56:20,170 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-06 02:56:20,172 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-06 02:56:20,172 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-06 02:56:20,182 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-06 02:56:20,182 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.04 02:56:19" (1/3) ... [2024-04-06 02:56:20,183 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e5dcb16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.04 02:56:20, skipping insertion in model container [2024-04-06 02:56:20,183 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 02:56:19" (2/3) ... [2024-04-06 02:56:20,183 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e5dcb16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.04 02:56:20, skipping insertion in model container [2024-04-06 02:56:20,183 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.04 02:56:20" (3/3) ... [2024-04-06 02:56:20,184 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-vector-add.wvr.c [2024-04-06 02:56:20,190 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-06 02:56:20,196 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-06 02:56:20,197 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-04-06 02:56:20,197 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-06 02:56:20,257 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-04-06 02:56:20,289 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-06 02:56:20,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-06 02:56:20,289 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 02:56:20,291 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) [2024-04-06 02:56:20,298 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 [2024-04-06 02:56:20,326 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-06 02:56:20,334 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 02:56:20,335 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-06 02:56:20,340 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;@314af286, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=RANDOM, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=10, mConComCheckerRandomProb=20, mConComCheckerRandomSeed=546 [2024-04-06 02:56:20,340 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-04-06 02:56:20,711 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 473 treesize of output 449 [2024-04-06 02:56:23,021 INFO L85 PathProgramCache]: Analyzing trace with hash 1462143548, now seen corresponding path program 1 times [2024-04-06 02:56:23,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 02:56:23,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 02:56:23,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 02:56:23,207 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-04-06 02:56:23,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 02:56:23,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 02:56:23,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 02:56:23,279 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-04-06 02:56:23,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-04-06 02:56:23,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-04-06 02:56:23,416 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 37 [2024-04-06 02:56:23,493 INFO L85 PathProgramCache]: Analyzing trace with hash 2115104969, now seen corresponding path program 1 times [2024-04-06 02:56:23,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 02:56:23,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 02:56:23,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 02:56:23,951 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-06 02:56:23,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 02:56:23,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 02:56:23,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 02:56:24,097 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-06 02:56:24,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-06 02:56:24,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-04-06 02:56:24,862 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1930 treesize of output 1834 [2024-04-06 02:56:25,779 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 473 treesize of output 449 [2024-04-06 02:56:26,627 INFO L85 PathProgramCache]: Analyzing trace with hash 1666138923, now seen corresponding path program 1 times [2024-04-06 02:56:26,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 02:56:26,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 02:56:26,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 02:56:26,928 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-04-06 02:56:26,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 02:56:26,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 02:56:26,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 02:56:27,158 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-04-06 02:56:27,261 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 473 treesize of output 449 [2024-04-06 02:56:27,394 INFO L85 PathProgramCache]: Analyzing trace with hash 374742332, now seen corresponding path program 2 times [2024-04-06 02:56:27,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 02:56:27,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 02:56:27,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 02:56:27,625 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-04-06 02:56:27,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 02:56:27,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 02:56:27,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 02:56:27,865 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-04-06 02:56:27,897 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 37 [2024-04-06 02:56:28,553 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 37 [2024-04-06 02:56:28,635 INFO L85 PathProgramCache]: Analyzing trace with hash -622717121, now seen corresponding path program 3 times [2024-04-06 02:56:28,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 02:56:28,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 02:56:28,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 02:56:28,860 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-04-06 02:56:28,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 02:56:28,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 02:56:28,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 02:56:29,091 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-04-06 02:56:29,113 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 37 [2024-04-06 02:56:29,262 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)] === [2024-04-06 02:56:29,263 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 02:56:29,264 INFO L85 PathProgramCache]: Analyzing trace with hash -566126889, now seen corresponding path program 1 times [2024-04-06 02:56:29,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 02:56:29,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325198488] [2024-04-06 02:56:29,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 02:56:29,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 02:56:29,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 02:56:29,648 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 97 proven. 1 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2024-04-06 02:56:29,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 02:56:29,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1325198488] [2024-04-06 02:56:29,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1325198488] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 02:56:29,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1930439681] [2024-04-06 02:56:29,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 02:56:29,649 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 02:56:29,649 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 02:56:29,712 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) [2024-04-06 02:56:29,748 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-04-06 02:56:29,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 02:56:29,896 INFO L262 TraceCheckSpWp]: Trace formula consists of 778 conjuncts, 10 conjunts are in the unsatisfiable core [2024-04-06 02:56:29,904 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 02:56:30,278 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 97 proven. 1 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2024-04-06 02:56:30,279 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 02:56:30,652 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 97 proven. 1 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2024-04-06 02:56:30,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1930439681] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 02:56:30,653 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 02:56:30,653 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 11] total 25 [2024-04-06 02:56:30,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488086942] [2024-04-06 02:56:30,655 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 02:56:30,659 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-04-06 02:56:30,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 02:56:30,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-04-06 02:56:30,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=484, Unknown=0, NotChecked=0, Total=600 [2024-04-06 02:56:30,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 02:56:30,678 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 02:56:30,682 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 14.96) internal successors, (374), 25 states have internal predecessors, (374), 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) [2024-04-06 02:56:30,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 02:56:31,303 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 37 [2024-04-06 02:56:31,752 INFO L85 PathProgramCache]: Analyzing trace with hash 635259431, now seen corresponding path program 4 times [2024-04-06 02:56:31,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 02:56:31,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 02:56:31,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 02:56:32,123 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-04-06 02:56:32,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 02:56:32,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 02:56:32,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 02:56:32,384 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-04-06 02:56:32,574 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 37 [2024-04-06 02:56:34,629 INFO L85 PathProgramCache]: Analyzing trace with hash -399619890, now seen corresponding path program 5 times [2024-04-06 02:56:34,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 02:56:34,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 02:56:34,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 02:56:34,954 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-04-06 02:56:34,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 02:56:34,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 02:56:34,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 02:56:35,151 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-04-06 02:56:35,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-06 02:56:35,200 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-04-06 02:56:35,400 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,SelfDestructingSolverStorable10,SelfDestructingSolverStorable11,SelfDestructingSolverStorable12,SelfDestructingSolverStorable13,SelfDestructingSolverStorable14 [2024-04-06 02:56:35,401 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)] === [2024-04-06 02:56:35,401 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 02:56:35,401 INFO L85 PathProgramCache]: Analyzing trace with hash -1964987494, now seen corresponding path program 2 times [2024-04-06 02:56:35,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 02:56:35,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049707382] [2024-04-06 02:56:35,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 02:56:35,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 02:56:35,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 02:56:36,724 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 174 proven. 220 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-04-06 02:56:36,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 02:56:36,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049707382] [2024-04-06 02:56:36,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1049707382] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 02:56:36,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [296954063] [2024-04-06 02:56:36,725 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-06 02:56:36,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 02:56:36,725 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 02:56:36,727 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) [2024-04-06 02:56:36,756 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-04-06 02:56:37,007 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-06 02:56:37,007 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 02:56:37,010 INFO L262 TraceCheckSpWp]: Trace formula consists of 826 conjuncts, 14 conjunts are in the unsatisfiable core [2024-04-06 02:56:37,017 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 02:56:37,701 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 129 proven. 19 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2024-04-06 02:56:37,701 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 02:56:38,416 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 139 proven. 9 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2024-04-06 02:56:38,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [296954063] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 02:56:38,416 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 02:56:38,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 15, 15] total 63 [2024-04-06 02:56:38,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031928710] [2024-04-06 02:56:38,417 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 02:56:38,418 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2024-04-06 02:56:38,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 02:56:38,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2024-04-06 02:56:38,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=316, Invalid=3590, Unknown=0, NotChecked=0, Total=3906 [2024-04-06 02:56:38,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 02:56:38,420 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 02:56:38,421 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 8.777777777777779) internal successors, (553), 63 states have internal predecessors, (553), 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) [2024-04-06 02:56:38,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-06 02:56:38,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 02:56:40,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-06 02:56:40,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-06 02:56:40,133 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-04-06 02:56:40,332 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-04-06 02:56:40,334 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)] === [2024-04-06 02:56:40,335 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 02:56:40,335 INFO L85 PathProgramCache]: Analyzing trace with hash 840432055, now seen corresponding path program 3 times [2024-04-06 02:56:40,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 02:56:40,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909189612] [2024-04-06 02:56:40,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 02:56:40,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 02:56:40,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 02:56:41,888 INFO L134 CoverageAnalysis]: Checked inductivity of 482 backedges. 174 proven. 235 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2024-04-06 02:56:41,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 02:56:41,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909189612] [2024-04-06 02:56:41,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [909189612] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 02:56:41,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [14019668] [2024-04-06 02:56:41,889 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-06 02:56:41,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 02:56:41,889 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 02:56:41,890 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) [2024-04-06 02:56:41,892 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-04-06 02:56:43,666 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-04-06 02:56:43,667 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 02:56:43,675 INFO L262 TraceCheckSpWp]: Trace formula consists of 837 conjuncts, 79 conjunts are in the unsatisfiable core [2024-04-06 02:56:43,681 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 02:56:46,203 INFO L134 CoverageAnalysis]: Checked inductivity of 482 backedges. 352 proven. 56 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2024-04-06 02:56:46,206 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 02:56:48,053 INFO L134 CoverageAnalysis]: Checked inductivity of 482 backedges. 123 proven. 255 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2024-04-06 02:56:48,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [14019668] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 02:56:48,053 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 02:56:48,053 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 41, 32] total 111 [2024-04-06 02:56:48,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382502742] [2024-04-06 02:56:48,054 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 02:56:48,055 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 111 states [2024-04-06 02:56:48,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 02:56:48,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 111 interpolants. [2024-04-06 02:56:48,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=851, Invalid=11359, Unknown=0, NotChecked=0, Total=12210 [2024-04-06 02:56:48,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 02:56:48,060 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 02:56:48,061 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 111 states, 111 states have (on average 9.00900900900901) internal successors, (1000), 111 states have internal predecessors, (1000), 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) [2024-04-06 02:56:48,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-06 02:56:48,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-06 02:56:48,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 02:56:51,696 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 37 [2024-04-06 02:56:54,226 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 37 [2024-04-06 02:56:56,492 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1930 treesize of output 1834 [2024-04-06 02:56:59,455 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 37 [2024-04-06 02:57:01,707 INFO L85 PathProgramCache]: Analyzing trace with hash -746853957, now seen corresponding path program 1 times [2024-04-06 02:57:01,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 02:57:01,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 02:57:01,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-06 02:57:01,832 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-06 02:57:01,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-06 02:57:02,199 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 972 treesize of output 924 [2024-04-06 02:57:02,405 INFO L85 PathProgramCache]: Analyzing trace with hash 320379693, now seen corresponding path program 6 times [2024-04-06 02:57:02,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 02:57:02,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 02:57:02,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-06 02:57:02,477 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-06 02:57:02,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-06 02:57:02,643 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 473 treesize of output 449 [2024-04-06 02:57:04,149 INFO L85 PathProgramCache]: Analyzing trace with hash -24565446, now seen corresponding path program 7 times [2024-04-06 02:57:04,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 02:57:04,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 02:57:04,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-06 02:57:04,231 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-06 02:57:04,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-06 02:57:04,372 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 37 [2024-04-06 02:57:04,555 INFO L85 PathProgramCache]: Analyzing trace with hash 1062432896, now seen corresponding path program 8 times [2024-04-06 02:57:04,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 02:57:04,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 02:57:04,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-06 02:57:04,611 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-06 02:57:04,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-06 02:57:04,726 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 952 treesize of output 904 [2024-04-06 02:57:07,956 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 37 [2024-04-06 02:57:10,073 INFO L85 PathProgramCache]: Analyzing trace with hash 1169836490, now seen corresponding path program 9 times [2024-04-06 02:57:10,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 02:57:10,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 02:57:10,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 02:57:10,973 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 2 proven. 79 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2024-04-06 02:57:10,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 02:57:10,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 02:57:11,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 02:57:11,355 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 2 proven. 79 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2024-04-06 02:57:11,422 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1930 treesize of output 1834 [2024-04-06 02:57:13,768 INFO L85 PathProgramCache]: Analyzing trace with hash 1396217707, now seen corresponding path program 10 times [2024-04-06 02:57:13,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 02:57:13,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 02:57:13,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 02:57:14,205 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 79 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2024-04-06 02:57:14,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 02:57:14,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 02:57:14,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 02:57:14,647 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 79 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2024-04-06 02:57:14,870 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 37 [2024-04-06 02:57:17,140 INFO L85 PathProgramCache]: Analyzing trace with hash 1549009707, now seen corresponding path program 11 times [2024-04-06 02:57:17,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 02:57:17,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 02:57:17,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 02:57:17,540 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 0 proven. 79 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2024-04-06 02:57:17,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 02:57:17,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 02:57:17,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 02:57:17,893 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 0 proven. 79 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2024-04-06 02:57:18,009 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 37 [2024-04-06 02:57:18,780 INFO L85 PathProgramCache]: Analyzing trace with hash -330902365, now seen corresponding path program 12 times [2024-04-06 02:57:18,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 02:57:18,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 02:57:18,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 02:57:19,363 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 1 proven. 79 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2024-04-06 02:57:19,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 02:57:19,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 02:57:19,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 02:57:19,798 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 1 proven. 79 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2024-04-06 02:57:19,849 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 473 treesize of output 449 [2024-04-06 02:57:22,753 INFO L85 PathProgramCache]: Analyzing trace with hash -1668037987, now seen corresponding path program 13 times [2024-04-06 02:57:22,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 02:57:22,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 02:57:22,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 02:57:23,163 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 1 proven. 79 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2024-04-06 02:57:23,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 02:57:23,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 02:57:23,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 02:57:23,522 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 1 proven. 79 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2024-04-06 02:57:23,572 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 37 [2024-04-06 02:57:23,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-06 02:57:23,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-06 02:57:23,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-04-06 02:57:23,812 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-04-06 02:57:24,004 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,SelfDestructingSolverStorable20,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable18,SelfDestructingSolverStorable29,SelfDestructingSolverStorable19,SelfDestructingSolverStorable21,SelfDestructingSolverStorable22,SelfDestructingSolverStorable23,SelfDestructingSolverStorable24,SelfDestructingSolverStorable25,SelfDestructingSolverStorable26,SelfDestructingSolverStorable16,SelfDestructingSolverStorable27,SelfDestructingSolverStorable17,SelfDestructingSolverStorable28 [2024-04-06 02:57:24,005 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)] === [2024-04-06 02:57:24,005 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 02:57:24,005 INFO L85 PathProgramCache]: Analyzing trace with hash -96087704, now seen corresponding path program 4 times [2024-04-06 02:57:24,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 02:57:24,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842787907] [2024-04-06 02:57:24,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 02:57:24,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 02:57:24,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 02:57:24,755 INFO L134 CoverageAnalysis]: Checked inductivity of 842 backedges. 443 proven. 108 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2024-04-06 02:57:24,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 02:57:24,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842787907] [2024-04-06 02:57:24,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1842787907] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 02:57:24,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1778130785] [2024-04-06 02:57:24,755 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-06 02:57:24,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 02:57:24,755 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 02:57:24,756 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) [2024-04-06 02:57:24,758 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-04-06 02:57:25,038 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-06 02:57:25,038 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 02:57:25,042 INFO L262 TraceCheckSpWp]: Trace formula consists of 930 conjuncts, 26 conjunts are in the unsatisfiable core [2024-04-06 02:57:25,048 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 02:57:25,995 INFO L134 CoverageAnalysis]: Checked inductivity of 842 backedges. 315 proven. 105 refuted. 0 times theorem prover too weak. 422 trivial. 0 not checked. [2024-04-06 02:57:25,996 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 02:57:27,016 INFO L134 CoverageAnalysis]: Checked inductivity of 842 backedges. 345 proven. 75 refuted. 0 times theorem prover too weak. 422 trivial. 0 not checked. [2024-04-06 02:57:27,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1778130785] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 02:57:27,016 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 02:57:27,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27, 27] total 73 [2024-04-06 02:57:27,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130089158] [2024-04-06 02:57:27,017 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 02:57:27,017 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 73 states [2024-04-06 02:57:27,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 02:57:27,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2024-04-06 02:57:27,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=645, Invalid=4611, Unknown=0, NotChecked=0, Total=5256 [2024-04-06 02:57:27,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 02:57:27,020 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 02:57:27,021 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 73 states, 73 states have (on average 8.931506849315069) internal successors, (652), 73 states have internal predecessors, (652), 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) [2024-04-06 02:57:27,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-06 02:57:27,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-06 02:57:27,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-04-06 02:57:27,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 02:57:28,163 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1930 treesize of output 1834 [2024-04-06 02:57:30,148 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 37 [2024-04-06 02:57:31,083 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 37 [2024-04-06 02:57:33,274 INFO L85 PathProgramCache]: Analyzing trace with hash 341035177, now seen corresponding path program 14 times [2024-04-06 02:57:33,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 02:57:33,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 02:57:33,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-06 02:57:33,362 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-06 02:57:33,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-06 02:57:33,676 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 37 [2024-04-06 02:57:35,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-06 02:57:35,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-06 02:57:35,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-04-06 02:57:35,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-06 02:57:35,903 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-04-06 02:57:36,096 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,SelfDestructingSolverStorable31,SelfDestructingSolverStorable32 [2024-04-06 02:57:36,097 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)] === [2024-04-06 02:57:36,097 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 02:57:36,097 INFO L85 PathProgramCache]: Analyzing trace with hash -1634836667, now seen corresponding path program 5 times [2024-04-06 02:57:36,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 02:57:36,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159575980] [2024-04-06 02:57:36,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 02:57:36,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 02:57:36,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 02:57:37,089 INFO L134 CoverageAnalysis]: Checked inductivity of 986 backedges. 426 proven. 199 refuted. 0 times theorem prover too weak. 361 trivial. 0 not checked. [2024-04-06 02:57:37,089 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 02:57:37,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159575980] [2024-04-06 02:57:37,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1159575980] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 02:57:37,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1140778057] [2024-04-06 02:57:37,090 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-06 02:57:37,090 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 02:57:37,090 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 02:57:37,095 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) [2024-04-06 02:57:37,098 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process Received shutdown request... [2024-04-06 03:10:43,891 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-06 03:10:43,892 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-06 03:10:43,912 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-06 03:10:44,933 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 [2024-04-06 03:10:44,944 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-04-06 03:10:45,092 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forcibly destroying the process [2024-04-06 03:10:45,119 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-04-06 03:10:45,119 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-04-06 03:10:45,119 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2024-04-06 03:10:45,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237676385] [2024-04-06 03:10:45,119 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-04-06 03:10:45,120 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-04-06 03:10:45,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 03:10:45,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-04-06 03:10:45,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=126, Invalid=866, Unknown=0, NotChecked=0, Total=992 [2024-04-06 03:10:45,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:10:45,121 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 03:10:45,121 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 13.25) internal successors, (424), 32 states have internal predecessors, (424), 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) [2024-04-06 03:10:45,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-06 03:10:45,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-06 03:10:45,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-04-06 03:10:45,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-06 03:10:45,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:10:45,122 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2024-04-06 03:10:45,122 WARN L619 AbstractCegarLoop]: Verification canceled: while executing DepthFirstTraversal. [2024-04-06 03:10:45,124 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2024-04-06 03:10:45,124 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-04-06 03:10:45,124 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-04-06 03:10:45,124 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-04-06 03:10:45,126 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 137 [2024-04-06 03:10:45,128 INFO L445 BasicCegarLoop]: Path program histogram: [14, 5, 1, 1, 1] [2024-04-06 03:10:45,130 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-04-06 03:10:45,130 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-04-06 03:10:45,132 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.04 03:10:45 BasicIcfg [2024-04-06 03:10:45,132 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-04-06 03:10:45,132 INFO L158 Benchmark]: Toolchain (without parser) took 865884.08ms. Allocated memory was 185.6MB in the beginning and 987.8MB in the end (delta: 802.2MB). Free memory was 140.0MB in the beginning and 493.5MB in the end (delta: -353.4MB). Peak memory consumption was 449.2MB. Max. memory is 8.0GB. [2024-04-06 03:10:45,132 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 185.6MB. Free memory is still 146.4MB. There was no memory consumed. Max. memory is 8.0GB. [2024-04-06 03:10:45,132 INFO L158 Benchmark]: CACSL2BoogieTranslator took 303.72ms. Allocated memory was 185.6MB in the beginning and 256.9MB in the end (delta: 71.3MB). Free memory was 139.6MB in the beginning and 223.2MB in the end (delta: -83.6MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2024-04-06 03:10:45,133 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.44ms. Allocated memory is still 256.9MB. Free memory was 223.2MB in the beginning and 220.6MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-04-06 03:10:45,133 INFO L158 Benchmark]: Boogie Preprocessor took 35.65ms. Allocated memory is still 256.9MB. Free memory was 220.6MB in the beginning and 218.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-04-06 03:10:45,133 INFO L158 Benchmark]: RCFGBuilder took 552.15ms. Allocated memory is still 256.9MB. Free memory was 218.5MB in the beginning and 194.3MB in the end (delta: 24.1MB). Peak memory consumption was 24.1MB. Max. memory is 8.0GB. [2024-04-06 03:10:45,133 INFO L158 Benchmark]: TraceAbstraction took 864959.60ms. Allocated memory was 256.9MB in the beginning and 987.8MB in the end (delta: 730.9MB). Free memory was 192.8MB in the beginning and 493.5MB in the end (delta: -300.7MB). Peak memory consumption was 431.2MB. Max. memory is 8.0GB. [2024-04-06 03:10:45,134 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 185.6MB. Free memory is still 146.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 303.72ms. Allocated memory was 185.6MB in the beginning and 256.9MB in the end (delta: 71.3MB). Free memory was 139.6MB in the beginning and 223.2MB in the end (delta: -83.6MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 28.44ms. Allocated memory is still 256.9MB. Free memory was 223.2MB in the beginning and 220.6MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 35.65ms. Allocated memory is still 256.9MB. Free memory was 220.6MB in the beginning and 218.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 552.15ms. Allocated memory is still 256.9MB. Free memory was 218.5MB in the beginning and 194.3MB in the end (delta: 24.1MB). Peak memory consumption was 24.1MB. Max. memory is 8.0GB. * TraceAbstraction took 864959.60ms. Allocated memory was 256.9MB in the beginning and 987.8MB in the end (delta: 730.9MB). Free memory was 192.8MB in the beginning and 493.5MB in the end (delta: -300.7MB). Peak memory consumption was 431.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 200852, independent: 179902, independent conditional: 171876, independent unconditional: 8026, dependent: 20950, dependent conditional: 17319, dependent unconditional: 3631, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 183059, independent: 179902, independent conditional: 171876, independent unconditional: 8026, dependent: 3157, dependent conditional: 2914, dependent unconditional: 243, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 183059, independent: 179902, independent conditional: 171876, independent unconditional: 8026, dependent: 3157, dependent conditional: 2914, dependent unconditional: 243, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 183059, independent: 179902, independent conditional: 171876, independent unconditional: 8026, dependent: 3157, dependent conditional: 2914, dependent unconditional: 243, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 188867, independent: 179902, independent conditional: 6108, independent unconditional: 173794, dependent: 8965, dependent conditional: 3163, dependent unconditional: 5802, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 188867, independent: 179902, independent conditional: 2712, independent unconditional: 177190, dependent: 8965, dependent conditional: 1588, dependent unconditional: 7377, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 188867, independent: 179902, independent conditional: 2712, independent unconditional: 177190, dependent: 8965, dependent conditional: 1588, dependent unconditional: 7377, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1588, independent: 1485, independent conditional: 0, independent unconditional: 1485, dependent: 103, dependent conditional: 68, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1588, independent: 1485, independent conditional: 0, independent unconditional: 1485, dependent: 103, dependent conditional: 0, dependent unconditional: 103, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 103, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 103, dependent conditional: 68, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 103, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 103, dependent conditional: 68, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 198, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 198, dependent conditional: 104, dependent unconditional: 95, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 188867, independent: 178417, independent conditional: 2712, independent unconditional: 175705, dependent: 8862, dependent conditional: 1520, dependent unconditional: 7342, unknown: 1588, unknown conditional: 68, unknown unconditional: 1520] , Statistics on independence cache: Total cache size (in pairs): 1588, Positive cache size: 1485, Positive conditional cache size: 0, Positive unconditional cache size: 1485, Negative cache size: 103, Negative conditional cache size: 68, Negative unconditional cache size: 35, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 4971, Maximal queried relation: 1, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 188867, independent: 179902, independent conditional: 6108, independent unconditional: 173794, dependent: 8965, dependent conditional: 3163, dependent unconditional: 5802, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 188867, independent: 179902, independent conditional: 2712, independent unconditional: 177190, dependent: 8965, dependent conditional: 1588, dependent unconditional: 7377, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 188867, independent: 179902, independent conditional: 2712, independent unconditional: 177190, dependent: 8965, dependent conditional: 1588, dependent unconditional: 7377, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1588, independent: 1485, independent conditional: 0, independent unconditional: 1485, dependent: 103, dependent conditional: 68, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1588, independent: 1485, independent conditional: 0, independent unconditional: 1485, dependent: 103, dependent conditional: 0, dependent unconditional: 103, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 103, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 103, dependent conditional: 68, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 103, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 103, dependent conditional: 68, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 198, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 198, dependent conditional: 104, dependent unconditional: 95, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 188867, independent: 178417, independent conditional: 2712, independent unconditional: 175705, dependent: 8862, dependent conditional: 1520, dependent unconditional: 7342, unknown: 1588, unknown conditional: 68, unknown unconditional: 1520] , Statistics on independence cache: Total cache size (in pairs): 1588, Positive cache size: 1485, Positive conditional cache size: 0, Positive unconditional cache size: 1485, Negative cache size: 103, Negative conditional cache size: 68, Negative unconditional cache size: 35, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 4971 ], Independence queries for same thread: 17793 - TimeoutResultAtElement [Line: 97]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 88]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 89]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 87]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while executing DepthFirstTraversal. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 325 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 864.8s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 14, EmptinessCheckTime: 59.7s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 121, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 2.0s SatisfiabilityAnalysisTime, 13.3s InterpolantComputationTime, 4096 NumberOfCodeBlocks, 4058 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 5854 ConstructedInterpolants, 0 QuantifiedInterpolants, 22179 SizeOfPredicates, 99 NumberOfNonLiveVariables, 3371 ConjunctsInSsa, 129 ConjunctsInUnsatCore, 13 InterpolantComputations, 0 PerfectInterpolantSequences, 6110/7394 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown