/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 NONE -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/test-hard1.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-17da818-m [2024-05-04 21:12:10,351 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-04 21:12:10,419 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-05-04 21:12:10,422 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-04 21:12:10,423 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-04 21:12:10,446 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-04 21:12:10,446 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-04 21:12:10,446 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-04 21:12:10,447 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-04 21:12:10,450 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-04 21:12:10,450 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-04 21:12:10,451 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-04 21:12:10,451 INFO L153 SettingsManager]: * Use SBE=true [2024-05-04 21:12:10,452 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-04 21:12:10,452 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-04 21:12:10,452 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-04 21:12:10,452 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-04 21:12:10,452 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-04 21:12:10,453 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-04 21:12:10,453 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-04 21:12:10,453 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-04 21:12:10,453 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-04 21:12:10,454 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-04 21:12:10,454 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-04 21:12:10,455 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-04 21:12:10,455 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-04 21:12:10,455 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-04 21:12:10,455 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-04 21:12:10,455 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-04 21:12:10,455 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-04 21:12:10,456 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-04 21:12:10,457 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-04 21:12:10,457 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-04 21:12:10,457 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-04 21:12:10,457 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-05-04 21:12:10,457 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-05-04 21:12:10,457 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-04 21:12:10,457 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-04 21:12:10,457 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-04 21:12:10,458 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> NONE [2024-05-04 21:12:10,677 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-04 21:12:10,699 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-04 21:12:10,701 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-04 21:12:10,702 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-04 21:12:10,702 INFO L274 PluginConnector]: CDTParser initialized [2024-05-04 21:12:10,703 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/test-hard1.wvr.c [2024-05-04 21:12:11,886 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-04 21:12:12,063 INFO L384 CDTParser]: Found 1 translation units. [2024-05-04 21:12:12,063 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/test-hard1.wvr.c [2024-05-04 21:12:12,069 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/49a188640/ef9e5c8bab884ea4a09097f9f51e955d/FLAGf43919e9e [2024-05-04 21:12:12,083 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/49a188640/ef9e5c8bab884ea4a09097f9f51e955d [2024-05-04 21:12:12,085 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-04 21:12:12,086 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-04 21:12:12,086 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-04 21:12:12,087 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-04 21:12:12,093 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-04 21:12:12,094 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 09:12:12" (1/1) ... [2024-05-04 21:12:12,094 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a1044ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 09:12:12, skipping insertion in model container [2024-05-04 21:12:12,094 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 09:12:12" (1/1) ... [2024-05-04 21:12:12,115 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-04 21:12:12,251 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/test-hard1.wvr.c[3373,3386] [2024-05-04 21:12:12,254 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-04 21:12:12,261 INFO L202 MainTranslator]: Completed pre-run [2024-05-04 21:12:12,285 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/test-hard1.wvr.c[3373,3386] [2024-05-04 21:12:12,285 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-04 21:12:12,291 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-05-04 21:12:12,291 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-05-04 21:12:12,296 INFO L206 MainTranslator]: Completed translation [2024-05-04 21:12:12,296 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 09:12:12 WrapperNode [2024-05-04 21:12:12,296 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-04 21:12:12,297 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-04 21:12:12,297 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-04 21:12:12,297 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-04 21:12:12,306 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 09:12:12" (1/1) ... [2024-05-04 21:12:12,323 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 09:12:12" (1/1) ... [2024-05-04 21:12:12,337 INFO L138 Inliner]: procedures = 24, calls = 56, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 97 [2024-05-04 21:12:12,338 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-04 21:12:12,338 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-04 21:12:12,338 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-04 21:12:12,338 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-04 21:12:12,357 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 09:12:12" (1/1) ... [2024-05-04 21:12:12,357 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 09:12:12" (1/1) ... [2024-05-04 21:12:12,359 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 09:12:12" (1/1) ... [2024-05-04 21:12:12,359 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 09:12:12" (1/1) ... [2024-05-04 21:12:12,364 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 09:12:12" (1/1) ... [2024-05-04 21:12:12,378 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 09:12:12" (1/1) ... [2024-05-04 21:12:12,379 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 09:12:12" (1/1) ... [2024-05-04 21:12:12,380 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 09:12:12" (1/1) ... [2024-05-04 21:12:12,382 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-04 21:12:12,382 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-04 21:12:12,382 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-04 21:12:12,383 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-04 21:12:12,383 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 09:12:12" (1/1) ... [2024-05-04 21:12:12,387 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-04 21:12:12,398 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 21:12:12,418 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-05-04 21:12:12,454 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-05-04 21:12:12,500 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-04 21:12:12,500 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-05-04 21:12:12,500 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-05-04 21:12:12,501 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-05-04 21:12:12,501 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-05-04 21:12:12,501 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-05-04 21:12:12,501 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-05-04 21:12:12,501 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-05-04 21:12:12,501 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-05-04 21:12:12,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-04 21:12:12,501 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-04 21:12:12,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-04 21:12:12,501 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-05-04 21:12:12,501 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-05-04 21:12:12,501 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-04 21:12:12,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-04 21:12:12,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-05-04 21:12:12,502 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-04 21:12:12,503 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-05-04 21:12:12,588 INFO L241 CfgBuilder]: Building ICFG [2024-05-04 21:12:12,591 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-04 21:12:12,779 INFO L282 CfgBuilder]: Performing block encoding [2024-05-04 21:12:12,872 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-04 21:12:12,872 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2024-05-04 21:12:12,873 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 09:12:12 BoogieIcfgContainer [2024-05-04 21:12:12,874 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-04 21:12:12,892 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-04 21:12:12,892 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-04 21:12:12,895 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-04 21:12:12,895 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.05 09:12:12" (1/3) ... [2024-05-04 21:12:12,895 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@252b83ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 09:12:12, skipping insertion in model container [2024-05-04 21:12:12,895 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 09:12:12" (2/3) ... [2024-05-04 21:12:12,896 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@252b83ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 09:12:12, skipping insertion in model container [2024-05-04 21:12:12,896 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 09:12:12" (3/3) ... [2024-05-04 21:12:12,897 INFO L112 eAbstractionObserver]: Analyzing ICFG test-hard1.wvr.c [2024-05-04 21:12:12,902 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-04 21:12:12,932 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-04 21:12:12,933 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-04 21:12:12,933 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-04 21:12:13,021 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-05-04 21:12:13,053 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-04 21:12:13,053 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-04 21:12:13,053 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 21:12:13,055 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-05-04 21:12:13,071 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-05-04 21:12:13,089 INFO L188 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-04 21:12:13,095 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-05-04 21:12:13,100 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;@11b50a47, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=NONE, mConComCheckerCriterion=DEFAULT, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-05-04 21:12:13,100 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-05-04 21:12:14,236 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 2 more)] === [2024-05-04 21:12:14,242 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 21:12:14,242 INFO L85 PathProgramCache]: Analyzing trace with hash -1768307362, now seen corresponding path program 1 times [2024-05-04 21:12:14,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 21:12:14,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108302216] [2024-05-04 21:12:14,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 21:12:14,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 21:12:14,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 21:12:14,610 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2024-05-04 21:12:14,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 21:12:14,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108302216] [2024-05-04 21:12:14,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2108302216] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-04 21:12:14,611 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-04 21:12:14,611 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-04 21:12:14,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33148270] [2024-05-04 21:12:14,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-04 21:12:14,617 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-05-04 21:12:14,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 21:12:14,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-04 21:12:14,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-05-04 21:12:14,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 21:12:14,642 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 21:12:14,643 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 56.5) internal successors, (113), 2 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-04 21:12:14,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 21:12:14,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 21:12:14,800 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-04 21:12:14,800 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 2 more)] === [2024-05-04 21:12:14,801 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 21:12:14,802 INFO L85 PathProgramCache]: Analyzing trace with hash 851921736, now seen corresponding path program 1 times [2024-05-04 21:12:14,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 21:12:14,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318261922] [2024-05-04 21:12:14,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 21:12:14,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 21:12:14,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 21:12:15,428 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-05-04 21:12:15,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 21:12:15,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318261922] [2024-05-04 21:12:15,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1318261922] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-04 21:12:15,429 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-04 21:12:15,429 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-04 21:12:15,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544070849] [2024-05-04 21:12:15,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-04 21:12:15,431 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-04 21:12:15,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 21:12:15,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-04 21:12:15,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-05-04 21:12:15,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 21:12:15,435 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 21:12:15,435 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 21.333333333333332) internal successors, (128), 6 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-04 21:12:15,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 21:12:15,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 21:12:15,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 21:12:15,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-04 21:12:15,801 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-05-04 21:12:15,802 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 2 more)] === [2024-05-04 21:12:15,802 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 21:12:15,803 INFO L85 PathProgramCache]: Analyzing trace with hash -2029386885, now seen corresponding path program 2 times [2024-05-04 21:12:15,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 21:12:15,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564915308] [2024-05-04 21:12:15,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 21:12:15,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 21:12:15,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 21:12:16,584 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 147 proven. 4 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2024-05-04 21:12:16,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 21:12:16,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1564915308] [2024-05-04 21:12:16,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1564915308] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 21:12:16,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1863923359] [2024-05-04 21:12:16,585 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-04 21:12:16,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 21:12:16,585 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 21:12:16,626 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-04 21:12:16,662 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-05-04 21:12:16,764 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-04 21:12:16,765 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-04 21:12:16,767 INFO L262 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 6 conjunts are in the unsatisfiable core [2024-05-04 21:12:16,772 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 21:12:16,867 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2024-05-04 21:12:16,868 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-05-04 21:12:16,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1863923359] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-04 21:12:16,868 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-05-04 21:12:16,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2024-05-04 21:12:16,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64259279] [2024-05-04 21:12:16,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-04 21:12:16,869 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-05-04 21:12:16,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 21:12:16,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-05-04 21:12:16,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-05-04 21:12:16,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 21:12:16,870 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 21:12:16,870 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.2) internal successors, (116), 5 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-04 21:12:16,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 21:12:16,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-04 21:12:16,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 21:12:17,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 21:12:17,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-04 21:12:17,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-04 21:12:17,248 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-05-04 21:12:17,446 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-05-04 21:12:17,446 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 2 more)] === [2024-05-04 21:12:17,446 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 21:12:17,447 INFO L85 PathProgramCache]: Analyzing trace with hash -10387549, now seen corresponding path program 3 times [2024-05-04 21:12:17,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 21:12:17,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859900575] [2024-05-04 21:12:17,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 21:12:17,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 21:12:17,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 21:12:18,025 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 180 proven. 4 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2024-05-04 21:12:18,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 21:12:18,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1859900575] [2024-05-04 21:12:18,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1859900575] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 21:12:18,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1222577648] [2024-05-04 21:12:18,026 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-04 21:12:18,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 21:12:18,027 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 21:12:18,028 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-04 21:12:18,030 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-05-04 21:12:18,156 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-05-04 21:12:18,156 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-04 21:12:18,157 INFO L262 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 13 conjunts are in the unsatisfiable core [2024-05-04 21:12:18,160 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 21:12:18,326 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 180 proven. 4 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2024-05-04 21:12:18,327 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 21:12:18,498 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 175 proven. 19 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2024-05-04 21:12:18,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1222577648] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 21:12:18,499 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 21:12:18,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8, 9] total 18 [2024-05-04 21:12:18,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474537452] [2024-05-04 21:12:18,499 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 21:12:18,499 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-05-04 21:12:18,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 21:12:18,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-05-04 21:12:18,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=229, Unknown=0, NotChecked=0, Total=306 [2024-05-04 21:12:18,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 21:12:18,501 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 21:12:18,501 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 9.055555555555555) internal successors, (163), 18 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-04 21:12:18,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 21:12:18,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-04 21:12:18,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-04 21:12:18,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 21:12:20,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 21:12:20,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-04 21:12:20,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-04 21:12:20,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-05-04 21:12:20,228 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-05-04 21:12:20,414 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 21:12:20,415 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 2 more)] === [2024-05-04 21:12:20,415 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 21:12:20,415 INFO L85 PathProgramCache]: Analyzing trace with hash -1653603590, now seen corresponding path program 4 times [2024-05-04 21:12:20,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 21:12:20,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320938387] [2024-05-04 21:12:20,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 21:12:20,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 21:12:20,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 21:12:21,171 INFO L134 CoverageAnalysis]: Checked inductivity of 879 backedges. 482 proven. 10 refuted. 0 times theorem prover too weak. 387 trivial. 0 not checked. [2024-05-04 21:12:21,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 21:12:21,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1320938387] [2024-05-04 21:12:21,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1320938387] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 21:12:21,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1592032990] [2024-05-04 21:12:21,172 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-04 21:12:21,172 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 21:12:21,172 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 21:12:21,173 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-04 21:12:21,181 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-05-04 21:12:21,309 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-04 21:12:21,309 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-04 21:12:21,311 INFO L262 TraceCheckSpWp]: Trace formula consists of 454 conjuncts, 6 conjunts are in the unsatisfiable core [2024-05-04 21:12:21,314 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 21:12:21,375 INFO L134 CoverageAnalysis]: Checked inductivity of 879 backedges. 440 proven. 0 refuted. 0 times theorem prover too weak. 439 trivial. 0 not checked. [2024-05-04 21:12:21,375 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-05-04 21:12:21,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1592032990] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-04 21:12:21,375 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-05-04 21:12:21,376 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2024-05-04 21:12:21,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530728224] [2024-05-04 21:12:21,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-04 21:12:21,376 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-05-04 21:12:21,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 21:12:21,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-05-04 21:12:21,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-05-04 21:12:21,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 21:12:21,377 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 21:12:21,377 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.6) internal successors, (128), 5 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-04 21:12:21,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 21:12:21,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-04 21:12:21,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-04 21:12:21,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-05-04 21:12:21,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 21:12:23,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 21:12:23,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-04 21:12:23,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-04 21:12:23,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-05-04 21:12:23,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-04 21:12:23,799 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-05-04 21:12:23,999 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 21:12:23,999 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-05-04 21:12:23,999 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 21:12:23,999 INFO L85 PathProgramCache]: Analyzing trace with hash -1532162062, now seen corresponding path program 5 times [2024-05-04 21:12:24,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 21:12:24,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539131646] [2024-05-04 21:12:24,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 21:12:24,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 21:12:24,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 21:12:25,159 INFO L134 CoverageAnalysis]: Checked inductivity of 2254 backedges. 891 proven. 4 refuted. 0 times theorem prover too weak. 1359 trivial. 0 not checked. [2024-05-04 21:12:25,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 21:12:25,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [539131646] [2024-05-04 21:12:25,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [539131646] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 21:12:25,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1175179301] [2024-05-04 21:12:25,160 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-05-04 21:12:25,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 21:12:25,160 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 21:12:25,163 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-04 21:12:25,192 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-05-04 21:12:25,411 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 15 check-sat command(s) [2024-05-04 21:12:25,411 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-04 21:12:25,414 INFO L262 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 10 conjunts are in the unsatisfiable core [2024-05-04 21:12:25,418 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 21:12:25,529 INFO L134 CoverageAnalysis]: Checked inductivity of 2254 backedges. 900 proven. 127 refuted. 0 times theorem prover too weak. 1227 trivial. 0 not checked. [2024-05-04 21:12:25,529 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 21:12:25,612 INFO L134 CoverageAnalysis]: Checked inductivity of 2254 backedges. 891 proven. 4 refuted. 0 times theorem prover too weak. 1359 trivial. 0 not checked. [2024-05-04 21:12:25,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1175179301] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 21:12:25,612 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 21:12:25,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 6] total 14 [2024-05-04 21:12:25,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643518087] [2024-05-04 21:12:25,612 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 21:12:25,613 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-05-04 21:12:25,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 21:12:25,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-05-04 21:12:25,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=131, Unknown=0, NotChecked=0, Total=182 [2024-05-04 21:12:25,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 21:12:25,614 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 21:12:25,614 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 11.928571428571429) internal successors, (167), 14 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-04 21:12:25,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 21:12:25,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-04 21:12:25,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-04 21:12:25,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-05-04 21:12:25,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-04 21:12:25,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 21:12:27,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 21:12:27,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-04 21:12:27,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-04 21:12:27,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-05-04 21:12:27,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-04 21:12:27,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-05-04 21:12:27,104 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-05-04 21:12:27,303 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-05-04 21:12:27,304 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-05-04 21:12:27,304 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 21:12:27,304 INFO L85 PathProgramCache]: Analyzing trace with hash 427571246, now seen corresponding path program 6 times [2024-05-04 21:12:27,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 21:12:27,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367391823] [2024-05-04 21:12:27,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 21:12:27,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 21:12:27,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 21:12:41,424 INFO L134 CoverageAnalysis]: Checked inductivity of 1870 backedges. 779 proven. 1047 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-05-04 21:12:41,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 21:12:41,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1367391823] [2024-05-04 21:12:41,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1367391823] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 21:12:41,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1904811169] [2024-05-04 21:12:41,425 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-05-04 21:12:41,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 21:12:41,426 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 21:12:41,427 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-04 21:12:41,449 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-05-04 21:12:41,796 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 18 check-sat command(s) [2024-05-04 21:12:41,797 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-04 21:12:41,803 INFO L262 TraceCheckSpWp]: Trace formula consists of 542 conjuncts, 138 conjunts are in the unsatisfiable core [2024-05-04 21:12:41,811 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 21:12:59,411 INFO L134 CoverageAnalysis]: Checked inductivity of 1870 backedges. 138 proven. 1720 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-05-04 21:12:59,411 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 21:13:07,203 INFO L134 CoverageAnalysis]: Checked inductivity of 1870 backedges. 250 proven. 1620 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 21:13:07,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1904811169] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 21:13:07,203 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 21:13:07,204 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [64, 90, 113] total 260 [2024-05-04 21:13:07,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799848646] [2024-05-04 21:13:07,204 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 21:13:07,207 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 260 states [2024-05-04 21:13:07,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 21:13:07,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 260 interpolants. [2024-05-04 21:13:07,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16746, Invalid=50594, Unknown=0, NotChecked=0, Total=67340 [2024-05-04 21:13:07,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 21:13:07,236 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 21:13:07,237 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 260 states, 260 states have (on average 2.9846153846153847) internal successors, (776), 260 states have internal predecessors, (776), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-04 21:13:07,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 21:13:07,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-04 21:13:07,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-04 21:13:07,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-05-04 21:13:07,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-04 21:13:07,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-05-04 21:13:07,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 21:15:01,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 21:15:01,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-04 21:15:01,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-04 21:15:01,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-05-04 21:15:01,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-04 21:15:01,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-05-04 21:15:01,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 484 states. [2024-05-04 21:15:01,532 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-05-04 21:15:01,732 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 21:15:01,732 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-05-04 21:15:01,733 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 21:15:01,733 INFO L85 PathProgramCache]: Analyzing trace with hash -914842834, now seen corresponding path program 7 times [2024-05-04 21:15:01,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 21:15:01,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824551934] [2024-05-04 21:15:01,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 21:15:01,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 21:15:03,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 21:16:27,766 INFO L134 CoverageAnalysis]: Checked inductivity of 8037 backedges. 2963 proven. 4948 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2024-05-04 21:16:27,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 21:16:27,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824551934] [2024-05-04 21:16:27,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [824551934] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 21:16:27,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [231124767] [2024-05-04 21:16:27,767 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-05-04 21:16:27,767 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 21:16:27,767 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 21:16:27,777 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-04 21:16:27,786 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-05-04 21:16:28,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 21:16:28,797 INFO L262 TraceCheckSpWp]: Trace formula consists of 838 conjuncts, 210 conjunts are in the unsatisfiable core [2024-05-04 21:16:28,830 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 21:20:15,213 INFO L134 CoverageAnalysis]: Checked inductivity of 8037 backedges. 884 proven. 6945 refuted. 41 times theorem prover too weak. 167 trivial. 0 not checked. [2024-05-04 21:20:15,213 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 21:20:37,082 INFO L134 CoverageAnalysis]: Checked inductivity of 8037 backedges. 789 proven. 7221 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-05-04 21:20:37,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [231124767] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 21:20:37,082 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 21:20:37,083 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [147, 123, 180] total 446 [2024-05-04 21:20:37,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665036168] [2024-05-04 21:20:37,083 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 21:20:37,084 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 446 states [2024-05-04 21:20:37,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 21:20:37,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 446 interpolants. [2024-05-04 21:20:37,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35934, Invalid=162503, Unknown=33, NotChecked=0, Total=198470 [2024-05-04 21:20:37,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 21:20:37,113 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 21:20:37,114 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 446 states, 446 states have (on average 2.8632286995515694) internal successors, (1277), 446 states have internal predecessors, (1277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-04 21:20:37,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 21:20:37,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-04 21:20:37,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-04 21:20:37,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-05-04 21:20:37,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-04 21:20:37,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-05-04 21:20:37,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 484 states. [2024-05-04 21:20:37,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 21:20:43,715 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-04 21:20:52,555 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-04 21:20:54,569 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-04 21:20:57,069 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-04 21:21:40,379 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-04 21:22:01,118 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse76 (* c_~m~0 4294967289))) (let ((.cse74 (* 4294967292 c_~m~0)) (.cse3 (mod (+ .cse76 c_~p1~0) 4294967296)) (.cse62 (mod (+ .cse76 c_~p2~0) 4294967296)) (.cse75 (* 4294967291 c_~m~0))) (let ((.cse4 (mod (+ .cse75 c_~p2~0) 4294967296)) (.cse69 (mod (+ c_~p1~0 .cse75) 4294967296)) (.cse73 (* c_~m~0 4294967295)) (.cse16 (= c_~n2~0 0)) (.cse18 (= c_~n1~0 0)) (.cse24 (= .cse3 .cse62)) (.cse58 (* c_~m~0 4294967286)) (.cse8 (mod (+ (* c_~m~0 4294967287) c_~p1~0) 4294967296)) (.cse70 (* 4294967288 c_~m~0)) (.cse66 (mod (+ .cse74 c_~p2~0) 4294967296)) (.cse30 (mod (+ .cse74 c_~p1~0) 4294967296))) (let ((.cse12 (<= c_~n1~0 0)) (.cse17 (= .cse66 .cse30)) (.cse25 (= c_~n2~0 c_~n1~0)) (.cse67 (mod (+ .cse70 c_~p2~0) 4294967296)) (.cse14 (= c_thread4Thread1of1ForFork0_~cond~3 1)) (.cse13 (<= 1 c_~n2~0)) (.cse19 (= c_thread3Thread1of1ForFork2_~cond~2 1)) (.cse22 (= .cse62 .cse8)) (.cse57 (= 2 c_~n2~0)) (.cse53 (mod (+ .cse58 c_~p1~0) 4294967296)) (.cse43 (= (+ 3 c_~n1~0) c_~n2~0)) (.cse68 (and .cse16 .cse18 .cse24)) (.cse21 (= c_~n2~0 1)) (.cse2 (= (+ 2 c_~n1~0) c_~n2~0)) (.cse23 (<= 2 c_~n2~0)) (.cse44 (mod (+ .cse73 c_~p2~0) 4294967296)) (.cse31 (<= c_~n2~0 0)) (.cse71 (= c_thread3Thread1of1ForFork2_~cond~2 0)) (.cse33 (* c_~m~0 4294967294)) (.cse48 (+ c_~n1~0 1)) (.cse28 (mod (+ (* 4294967290 c_~m~0) c_~p1~0) 4294967296)) (.cse72 (= .cse4 .cse69))) (let ((.cse5 (and .cse16 .cse72 .cse18)) (.cse10 (= .cse28 .cse4)) (.cse11 (= .cse48 c_~n2~0)) (.cse32 (mod (+ .cse33 c_~p1~0) 4294967296)) (.cse26 (< c_~n1~0 2)) (.cse34 (not (= 14 c_~n1~0))) (.cse20 (and .cse31 .cse71)) (.cse49 (not (= 16 c_~n1~0))) (.cse41 (= (mod (+ .cse73 c_~p1~0) 4294967296) .cse44)) (.cse45 (<= c_~n2~0 1)) (.cse42 (and .cse2 (= (mod (+ (* c_~m~0 4294967293) c_~p1~0) 4294967296) .cse44) .cse23)) (.cse39 (= c_thread2Thread1of1ForFork1_~cond~1 0)) (.cse40 (= c_thread2Thread1of1ForFork1_~cond~1 1)) (.cse0 (< (+ 5 c_~n2~0) c_~n1~0)) (.cse51 (not (= 13 c_~n1~0))) (.cse35 (< c_~n2~0 10)) (.cse60 (or (and .cse19 (or (and .cse22 .cse18 .cse57) (and (<= 3 c_~n2~0) (= .cse53 .cse62) .cse43) .cse68 (and .cse21 .cse18 (= .cse62 (mod (+ .cse70 c_~p1~0) 4294967296))))) (and .cse71 .cse16 .cse72 .cse18))) (.cse52 (not (= 8 c_~n1~0))) (.cse27 (< c_~n2~0 2)) (.cse59 (not (= 11 c_~n1~0))) (.cse37 (not (= 9 c_~n1~0))) (.cse36 (not (= 7 c_~n1~0))) (.cse63 (< c_~n2~0 4)) (.cse61 (= c_~n2~0 (+ 5 c_~n1~0))) (.cse38 (and .cse14 .cse13)) (.cse15 (= c_thread4Thread1of1ForFork0_~cond~3 0)) (.cse1 (< c_~n1~0 1)) (.cse50 (< c_~n2~0 1)) (.cse56 (mod (+ (* c_~m~0 4294967284) c_~p1~0) 4294967296)) (.cse9 (= (+ 4 c_~n1~0) c_~n2~0)) (.cse6 (<= c_~n1~0 1)) (.cse55 (and .cse21 .cse18 (= .cse67 .cse8))) (.cse7 (<= 0 c_~n1~0)) (.cse65 (or (and .cse43 (= .cse3 .cse66)) (and (= .cse66 .cse69) .cse21 .cse18))) (.cse64 (and .cse12 (or (and .cse17 .cse25) (and .cse2 (= .cse28 .cse66) .cse23))))) (and (or .cse0 .cse1) (or (and (or (and (or (and .cse2 (= .cse3 .cse4)) .cse5) .cse6 .cse7) (and (= .cse4 .cse8) .cse7 .cse9) (and .cse10 .cse11 .cse12 .cse13)) .cse14) (and .cse15 .cse16 .cse17 .cse18)) (or (and (or .cse19 .cse20) (or .cse5 (and .cse10 .cse21 .cse18))) (and .cse19 (<= 0 c_~n2~0) (or (and .cse2 .cse22 .cse23) (and .cse6 .cse24 .cse25)))) (or .cse26 .cse27 (< (+ 6 c_~n2~0) c_~n1~0)) (let ((.cse29 (mod (+ .cse33 c_~p2~0) 4294967296))) (or (and (= .cse28 .cse29) (<= 4 c_~n2~0) .cse9) (and .cse6 .cse7 (or (and .cse2 (= .cse29 .cse30)) (and .cse31 (= .cse29 .cse32) .cse25))))) (or (and (<= 12 c_~n1~0) (not (= 12 c_~n1~0)) .cse34) .cse35) (or (< c_~n2~0 5) (and .cse36 (<= 7 c_~n1~0) .cse37)) (or .cse38 (and .cse31 .cse15)) (or (and .cse39 .cse12) (and .cse40 (<= 1 c_~n1~0))) (or (and .cse39 .cse12 (or (and .cse41 .cse25) .cse42)) (and .cse40 .cse7 (or (and .cse43 (= .cse30 .cse44)) (and .cse11 (= .cse32 .cse44) .cse45)))) (let ((.cse46 (* 4294967295 c_~p2~0))) (or (and .cse2 (= (mod (+ .cse46 .cse33 c_~p1~0) 4294967296) 0) .cse23) (and (= (mod (+ .cse46 c_~p1~0) 4294967296) 0) .cse45 .cse25))) (let ((.cse47 (* 4294967295 c_~p1~0))) (or (and .cse16 .cse18 (= (mod (+ .cse47 c_~p2~0) 4294967296) 0)) (and (= (mod (+ .cse47 c_~m~0 c_~p2~0) 4294967296) 0) .cse21 .cse18) (and .cse2 (= (mod (+ .cse47 (* c_~m~0 2) c_~p2~0) 4294967296) 0) .cse7))) (or .cse26 (< c_~n2~0 .cse48)) (or (< c_~n2~0 13) (and .cse49 (<= 14 c_~n1~0) .cse34)) (or .cse0 .cse21 .cse1 .cse50) (or (and .cse16 (= 0 c_thread1Thread1of1ForFork3_~cond~0)) (and (= 1 c_thread1Thread1of1ForFork3_~cond~0) .cse13)) (or (< c_~n2~0 12) (and (<= 13 c_~n1~0) (not (= 15 c_~n1~0)) .cse51)) (or (and .cse19 .cse13) .cse20) (or (< c_~n2~0 8) (and (<= 8 c_~n1~0) (not (= 10 c_~n1~0)) .cse52)) (or (and .cse49 (not (= 18 c_~n1~0)) (<= 16 c_~n1~0)) (= (mod c_thread1Thread1of1ForFork3_~cond~0 256) 0) (< c_~n2~0 14)) (or (and .cse41 .cse45 .cse25) .cse42) (let ((.cse54 (mod (+ .cse58 c_~p2~0) 4294967296))) (or (and .cse39 (or (and .cse16 .cse18 (= .cse53 .cse54)) .cse55 (and (= .cse54 .cse56) .cse18 .cse57))) (and (or (and (= .cse54 (mod (+ (* 4294967283 c_~m~0) c_~p1~0) 4294967296)) .cse43) (and .cse21 .cse18 (= .cse54 (mod (+ (* c_~m~0 4294967285) c_~p1~0) 4294967296)))) .cse40 .cse7))) (or .cse0 (and (<= c_thread2Thread1of1ForFork1_~cond~1 (* 256 (div c_thread2Thread1of1ForFork1_~cond~1 256))) (<= 0 c_thread2Thread1of1ForFork1_~cond~1)) .cse27) (or (and .cse59 (<= 11 c_~n1~0) .cse51) .cse35) .cse60 (or (and .cse19 .cse7 .cse61 (= .cse62 .cse56)) (and .cse6 .cse60)) (or .cse63 (and (not (= 6 c_~n1~0)) .cse52 (<= 6 c_~n1~0))) (or (< (+ 7 c_~n2~0) c_~n1~0) .cse1 .cse27) (or (< c_~n2~0 9) (and (<= 9 c_~n1~0) .cse59 .cse37)) (or (and .cse36 (not (= 5 c_~n1~0)) (<= 5 c_~n1~0)) .cse63) (or .cse64 (and .cse6 .cse7 .cse65) (and .cse7 (= .cse66 .cse8) .cse61)) (or .cse38 (and .cse15 .cse16)) (or .cse1 .cse50 (< (+ c_~n2~0 4) c_~n1~0)) (or (and (= .cse67 .cse56) .cse7 .cse9) (and .cse6 (or (and .cse2 .cse7 (= .cse53 .cse67)) .cse55 .cse68))) (or (and .cse7 .cse65) .cse64))))))) is different from false [2024-05-04 21:22:18,898 WARN L293 SmtUtils]: Spent 5.16s on a formula simplification. DAG size of input: 170 DAG size of output: 79 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-04 21:22:21,893 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-04 21:22:31,912 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-04 21:22:40,916 WARN L293 SmtUtils]: Spent 5.22s on a formula simplification. DAG size of input: 180 DAG size of output: 87 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-04 21:22:55,466 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-04 21:23:01,735 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-04 21:23:15,778 WARN L293 SmtUtils]: Spent 5.54s on a formula simplification. DAG size of input: 200 DAG size of output: 107 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-04 21:23:34,983 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-04 21:23:47,868 WARN L293 SmtUtils]: Spent 5.42s on a formula simplification. DAG size of input: 89 DAG size of output: 53 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-04 21:24:16,488 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-04 21:24:18,724 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-04 21:24:22,402 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-04 21:24:24,408 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-04 21:24:26,425 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-04 21:25:06,778 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-04 21:25:10,888 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-04 21:25:23,310 WARN L293 SmtUtils]: Spent 5.78s on a formula simplification. DAG size of input: 342 DAG size of output: 46 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-04 21:25:51,213 WARN L293 SmtUtils]: Spent 5.15s on a formula simplification. DAG size of input: 111 DAG size of output: 71 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-04 21:25:52,951 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] Received shutdown request... [2024-05-04 21:26:20,417 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-04 21:26:20,417 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-04 21:26:20,417 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-04 21:26:20,468 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-05-04 21:26:20,661 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-05-04 21:26:20,661 WARN L619 AbstractCegarLoop]: Verification canceled: while PredicateUnifier was unifying predicates,while SimplifyDDA2 was simplifying a ∧-6-2-4-4-3-1 term,while SimplifyDDA2 was simplifying 3 xjuncts wrt. a ∧-2-1 context. [2024-05-04 21:26:20,663 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2024-05-04 21:26:20,664 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 5 remaining) [2024-05-04 21:26:20,664 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2024-05-04 21:26:20,664 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2024-05-04 21:26:20,664 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2024-05-04 21:26:20,668 INFO L448 BasicCegarLoop]: Path program histogram: [7, 1] [2024-05-04 21:26:20,670 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-05-04 21:26:20,670 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-05-04 21:26:20,673 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.05 09:26:20 BasicIcfg [2024-05-04 21:26:20,673 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-05-04 21:26:20,674 INFO L158 Benchmark]: Toolchain (without parser) took 848587.99ms. Allocated memory was 341.8MB in the beginning and 2.4GB in the end (delta: 2.0GB). Free memory was 274.1MB in the beginning and 1.7GB in the end (delta: -1.5GB). Peak memory consumption was 564.0MB. Max. memory is 8.0GB. [2024-05-04 21:26:20,674 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 170.9MB. Free memory was 139.4MB in the beginning and 139.3MB in the end (delta: 70.7kB). There was no memory consumed. Max. memory is 8.0GB. [2024-05-04 21:26:20,674 INFO L158 Benchmark]: CACSL2BoogieTranslator took 210.13ms. Allocated memory is still 341.8MB. Free memory was 273.9MB in the beginning and 261.8MB in the end (delta: 12.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2024-05-04 21:26:20,675 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.74ms. Allocated memory is still 341.8MB. Free memory was 261.8MB in the beginning and 260.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-05-04 21:26:20,678 INFO L158 Benchmark]: Boogie Preprocessor took 43.61ms. Allocated memory is still 341.8MB. Free memory was 260.0MB in the beginning and 258.5MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-05-04 21:26:20,678 INFO L158 Benchmark]: RCFGBuilder took 491.55ms. Allocated memory is still 341.8MB. Free memory was 258.5MB in the beginning and 294.1MB in the end (delta: -35.6MB). Peak memory consumption was 9.8MB. Max. memory is 8.0GB. [2024-05-04 21:26:20,678 INFO L158 Benchmark]: TraceAbstraction took 847781.46ms. Allocated memory was 341.8MB in the beginning and 2.4GB in the end (delta: 2.0GB). Free memory was 293.1MB in the beginning and 1.7GB in the end (delta: -1.5GB). Peak memory consumption was 581.5MB. Max. memory is 8.0GB. [2024-05-04 21:26:20,680 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 170.9MB. Free memory was 139.4MB in the beginning and 139.3MB in the end (delta: 70.7kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 210.13ms. Allocated memory is still 341.8MB. Free memory was 273.9MB in the beginning and 261.8MB in the end (delta: 12.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 40.74ms. Allocated memory is still 341.8MB. Free memory was 261.8MB in the beginning and 260.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 43.61ms. Allocated memory is still 341.8MB. Free memory was 260.0MB in the beginning and 258.5MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 491.55ms. Allocated memory is still 341.8MB. Free memory was 258.5MB in the beginning and 294.1MB in the end (delta: -35.6MB). Peak memory consumption was 9.8MB. Max. memory is 8.0GB. * TraceAbstraction took 847781.46ms. Allocated memory was 341.8MB in the beginning and 2.4GB in the end (delta: 2.0GB). Free memory was 293.1MB in the beginning and 1.7GB in the end (delta: -1.5GB). Peak memory consumption was 581.5MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 394221, independent: 363429, independent conditional: 363429, independent unconditional: 0, dependent: 30370, dependent conditional: 30370, dependent unconditional: 0, unknown: 422, unknown conditional: 422, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 370032, independent: 363429, independent conditional: 363429, independent unconditional: 0, dependent: 6181, dependent conditional: 6181, dependent unconditional: 0, unknown: 422, unknown conditional: 422, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 370032, independent: 363429, independent conditional: 363429, independent unconditional: 0, dependent: 6181, dependent conditional: 6181, dependent unconditional: 0, unknown: 422, unknown conditional: 422, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 370032, independent: 363429, independent conditional: 363429, independent unconditional: 0, dependent: 6181, dependent conditional: 6181, dependent unconditional: 0, unknown: 422, unknown conditional: 422, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 396414, independent: 363429, independent conditional: 0, independent unconditional: 363429, dependent: 32532, dependent conditional: 19326, dependent unconditional: 13206, unknown: 453, unknown conditional: 453, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 396414, independent: 363429, independent conditional: 0, independent unconditional: 363429, dependent: 32532, dependent conditional: 8804, dependent unconditional: 23728, unknown: 453, unknown conditional: 453, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 396414, independent: 363429, independent conditional: 0, independent unconditional: 363429, dependent: 32532, dependent conditional: 8804, dependent unconditional: 23728, unknown: 453, unknown conditional: 453, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1129, independent: 949, independent conditional: 0, independent unconditional: 949, dependent: 171, dependent conditional: 159, dependent unconditional: 12, unknown: 9, unknown conditional: 9, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1129, independent: 949, independent conditional: 0, independent unconditional: 949, dependent: 180, dependent conditional: 0, dependent unconditional: 180, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 180, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 171, dependent conditional: 159, dependent unconditional: 12, unknown: 9, unknown conditional: 9, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 180, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 171, dependent conditional: 159, dependent unconditional: 12, unknown: 9, unknown conditional: 9, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 14112, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 5124, dependent conditional: 4329, dependent unconditional: 794, unknown: 8989, unknown conditional: 8989, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 396414, independent: 362480, independent conditional: 0, independent unconditional: 362480, dependent: 32361, dependent conditional: 8645, dependent unconditional: 23716, unknown: 1573, unknown conditional: 612, unknown unconditional: 961] , Statistics on independence cache: Total cache size (in pairs): 1120, Positive cache size: 949, Positive conditional cache size: 0, Positive unconditional cache size: 949, Negative cache size: 171, Negative conditional cache size: 159, Negative unconditional cache size: 12, Unknown cache size: 9, Unknown conditional cache size: 9, Unknown unconditional cache size: 0, Eliminated conditions: 10522, Maximal queried relation: 6, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 396414, independent: 363429, independent conditional: 0, independent unconditional: 363429, dependent: 32532, dependent conditional: 19326, dependent unconditional: 13206, unknown: 453, unknown conditional: 453, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 396414, independent: 363429, independent conditional: 0, independent unconditional: 363429, dependent: 32532, dependent conditional: 8804, dependent unconditional: 23728, unknown: 453, unknown conditional: 453, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 396414, independent: 363429, independent conditional: 0, independent unconditional: 363429, dependent: 32532, dependent conditional: 8804, dependent unconditional: 23728, unknown: 453, unknown conditional: 453, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1129, independent: 949, independent conditional: 0, independent unconditional: 949, dependent: 171, dependent conditional: 159, dependent unconditional: 12, unknown: 9, unknown conditional: 9, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1129, independent: 949, independent conditional: 0, independent unconditional: 949, dependent: 180, dependent conditional: 0, dependent unconditional: 180, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 180, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 171, dependent conditional: 159, dependent unconditional: 12, unknown: 9, unknown conditional: 9, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 180, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 171, dependent conditional: 159, dependent unconditional: 12, unknown: 9, unknown conditional: 9, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 14112, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 5124, dependent conditional: 4329, dependent unconditional: 794, unknown: 8989, unknown conditional: 8989, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 396414, independent: 362480, independent conditional: 0, independent unconditional: 362480, dependent: 32361, dependent conditional: 8645, dependent unconditional: 23716, unknown: 1573, unknown conditional: 612, unknown unconditional: 961] , Statistics on independence cache: Total cache size (in pairs): 1120, Positive cache size: 949, Positive conditional cache size: 0, Positive unconditional cache size: 949, Negative cache size: 171, Negative conditional cache size: 159, Negative unconditional cache size: 12, Unknown cache size: 9, Unknown conditional cache size: 9, Unknown unconditional cache size: 0, Eliminated conditions: 10522 ], Independence queries for same thread: 24189 - TimeoutResultAtElement [Line: 139]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while PredicateUnifier was unifying predicates,while SimplifyDDA2 was simplifying a ∧-6-2-4-4-3-1 term,while SimplifyDDA2 was simplifying 3 xjuncts wrt. a ∧-2-1 context. - TimeoutResultAtElement [Line: 129]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PredicateUnifier was unifying predicates,while SimplifyDDA2 was simplifying a ∧-6-2-4-4-3-1 term,while SimplifyDDA2 was simplifying 3 xjuncts wrt. a ∧-2-1 context. - TimeoutResultAtElement [Line: 130]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PredicateUnifier was unifying predicates,while SimplifyDDA2 was simplifying a ∧-6-2-4-4-3-1 term,while SimplifyDDA2 was simplifying 3 xjuncts wrt. a ∧-2-1 context. - TimeoutResultAtElement [Line: 132]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PredicateUnifier was unifying predicates,while SimplifyDDA2 was simplifying a ∧-6-2-4-4-3-1 term,while SimplifyDDA2 was simplifying 3 xjuncts wrt. a ∧-2-1 context. - TimeoutResultAtElement [Line: 131]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PredicateUnifier was unifying predicates,while SimplifyDDA2 was simplifying a ∧-6-2-4-4-3-1 term,while SimplifyDDA2 was simplifying 3 xjuncts wrt. a ∧-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 159 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 847.6s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 7, EmptinessCheckTime: 465.3s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 687, 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, 4.1s SatisfiabilityAnalysisTime, 376.0s InterpolantComputationTime, 3836 NumberOfCodeBlocks, 3679 NumberOfCodeBlocksAsserted, 53 NumberOfCheckSat, 5165 ConstructedInterpolants, 0 QuantifiedInterpolants, 82420 SizeOfPredicates, 97 NumberOfNonLiveVariables, 2799 ConjunctsInSsa, 383 ConjunctsInUnsatCore, 18 InterpolantComputations, 4 PerfectInterpolantSequences, 16142/39860 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConditionalCommutativityCheckTime: 0.0s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 0, ConditionalCommutativityConditionCalculations: 0, ConditionalCommutativityTraceChecks: 0, ConditionalCommutativityImperfectProofs: 0 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown