/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking DFS --traceabstraction.criterion.for.conditional.commutativity.checking LOOP --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 10 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-mult-equiv.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-17da818-m [2024-05-07 06:34:20,160 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-07 06:34:20,231 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-05-07 06:34:20,238 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-07 06:34:20,238 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-07 06:34:20,273 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-07 06:34:20,274 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-07 06:34:20,274 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-07 06:34:20,275 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-07 06:34:20,278 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-07 06:34:20,279 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-07 06:34:20,279 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-07 06:34:20,279 INFO L153 SettingsManager]: * Use SBE=true [2024-05-07 06:34:20,284 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-07 06:34:20,284 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-07 06:34:20,285 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-07 06:34:20,285 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-07 06:34:20,285 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-07 06:34:20,285 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-07 06:34:20,285 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-07 06:34:20,285 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-07 06:34:20,286 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-07 06:34:20,286 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-07 06:34:20,286 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-07 06:34:20,286 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-07 06:34:20,287 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-07 06:34:20,287 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-07 06:34:20,287 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-07 06:34:20,287 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-07 06:34:20,287 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-07 06:34:20,289 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-07 06:34:20,289 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-07 06:34:20,289 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-07 06:34:20,289 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-07 06:34:20,289 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-05-07 06:34:20,289 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-05-07 06:34:20,289 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-07 06:34:20,290 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-07 06:34:20,290 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-07 06:34:20,290 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> LOOP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 10 [2024-05-07 06:34:20,543 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-07 06:34:20,564 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-07 06:34:20,566 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-07 06:34:20,567 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-07 06:34:20,567 INFO L274 PluginConnector]: CDTParser initialized [2024-05-07 06:34:20,569 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-mult-equiv.wvr.c [2024-05-07 06:34:21,687 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-07 06:34:21,876 INFO L384 CDTParser]: Found 1 translation units. [2024-05-07 06:34:21,876 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-mult-equiv.wvr.c [2024-05-07 06:34:21,886 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/16aedec65/4bc0037f96684b2ba357cbd154c63b1b/FLAGfcd9b75b3 [2024-05-07 06:34:21,898 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/16aedec65/4bc0037f96684b2ba357cbd154c63b1b [2024-05-07 06:34:21,901 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-07 06:34:21,907 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-07 06:34:21,907 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-07 06:34:21,908 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-07 06:34:21,914 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-07 06:34:21,914 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.05 06:34:21" (1/1) ... [2024-05-07 06:34:21,915 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6168bacc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 06:34:21, skipping insertion in model container [2024-05-07 06:34:21,915 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.05 06:34:21" (1/1) ... [2024-05-07 06:34:21,935 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-07 06:34:22,084 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-mult-equiv.wvr.c[2591,2604] [2024-05-07 06:34:22,088 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-07 06:34:22,096 INFO L202 MainTranslator]: Completed pre-run [2024-05-07 06:34:22,114 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-mult-equiv.wvr.c[2591,2604] [2024-05-07 06:34:22,115 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-07 06:34:22,122 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-05-07 06:34:22,122 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-05-07 06:34:22,149 INFO L206 MainTranslator]: Completed translation [2024-05-07 06:34:22,150 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 06:34:22 WrapperNode [2024-05-07 06:34:22,150 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-07 06:34:22,155 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-07 06:34:22,156 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-07 06:34:22,157 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-07 06:34:22,163 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 06:34:22" (1/1) ... [2024-05-07 06:34:22,170 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 06:34:22" (1/1) ... [2024-05-07 06:34:22,189 INFO L138 Inliner]: procedures = 22, calls = 39, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 69 [2024-05-07 06:34:22,189 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-07 06:34:22,190 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-07 06:34:22,190 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-07 06:34:22,190 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-07 06:34:22,198 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 06:34:22" (1/1) ... [2024-05-07 06:34:22,198 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 06:34:22" (1/1) ... [2024-05-07 06:34:22,200 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 06:34:22" (1/1) ... [2024-05-07 06:34:22,200 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 06:34:22" (1/1) ... [2024-05-07 06:34:22,206 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 06:34:22" (1/1) ... [2024-05-07 06:34:22,221 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 06:34:22" (1/1) ... [2024-05-07 06:34:22,222 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 06:34:22" (1/1) ... [2024-05-07 06:34:22,223 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 06:34:22" (1/1) ... [2024-05-07 06:34:22,225 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-07 06:34:22,226 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-07 06:34:22,226 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-07 06:34:22,226 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-07 06:34:22,227 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 06:34:22" (1/1) ... [2024-05-07 06:34:22,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-07 06:34:22,252 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 06:34:22,264 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-05-07 06:34:22,266 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-05-07 06:34:22,307 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-07 06:34:22,308 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-05-07 06:34:22,308 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-05-07 06:34:22,308 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-05-07 06:34:22,308 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-05-07 06:34:22,308 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-05-07 06:34:22,309 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-05-07 06:34:22,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-07 06:34:22,310 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-07 06:34:22,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-07 06:34:22,310 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-05-07 06:34:22,311 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-05-07 06:34:22,312 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-07 06:34:22,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-07 06:34:22,312 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-05-07 06:34:22,312 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-07 06:34:22,314 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-05-07 06:34:22,393 INFO L241 CfgBuilder]: Building ICFG [2024-05-07 06:34:22,394 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-07 06:34:22,593 INFO L282 CfgBuilder]: Performing block encoding [2024-05-07 06:34:22,647 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-07 06:34:22,647 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2024-05-07 06:34:22,649 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 06:34:22 BoogieIcfgContainer [2024-05-07 06:34:22,649 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-07 06:34:22,652 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-07 06:34:22,652 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-07 06:34:22,655 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-07 06:34:22,655 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.05 06:34:21" (1/3) ... [2024-05-07 06:34:22,656 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c8e8886 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.05 06:34:22, skipping insertion in model container [2024-05-07 06:34:22,656 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 06:34:22" (2/3) ... [2024-05-07 06:34:22,656 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c8e8886 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.05 06:34:22, skipping insertion in model container [2024-05-07 06:34:22,656 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 06:34:22" (3/3) ... [2024-05-07 06:34:22,657 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-mult-equiv.wvr.c [2024-05-07 06:34:22,666 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-07 06:34:22,676 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-07 06:34:22,677 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-07 06:34:22,677 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-07 06:34:22,744 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-05-07 06:34:22,803 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-07 06:34:22,803 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-07 06:34:22,803 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 06:34:22,804 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-05-07 06:34:22,812 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-05-07 06:34:22,846 INFO L188 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-07 06:34:22,859 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 06:34:22,861 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-05-07 06:34:22,868 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;@62983dea, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=LOOP, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=10, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-05-07 06:34:22,868 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-05-07 06:34:23,476 INFO L85 PathProgramCache]: Analyzing trace with hash -319144301, now seen corresponding path program 1 times [2024-05-07 06:34:23,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:34:23,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:34:23,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 06:34:23,826 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 06:34:23,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 06:34:25,277 INFO L85 PathProgramCache]: Analyzing trace with hash 1790820321, now seen corresponding path program 2 times [2024-05-07 06:34:25,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:34:25,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:34:25,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 06:34:25,346 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 06:34:25,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 06:34:25,595 INFO L85 PathProgramCache]: Analyzing trace with hash -319144639, now seen corresponding path program 3 times [2024-05-07 06:34:25,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:34:25,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:34:25,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 06:34:25,664 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 06:34:25,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 06:34:25,936 INFO L85 PathProgramCache]: Analyzing trace with hash 444321100, now seen corresponding path program 4 times [2024-05-07 06:34:25,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:34:25,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:34:25,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 06:34:25,990 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 06:34:26,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 06:34:26,322 INFO L85 PathProgramCache]: Analyzing trace with hash 845616928, now seen corresponding path program 5 times [2024-05-07 06:34:26,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:34:26,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:34:26,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 06:34:26,358 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 06:34:26,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 06:34:26,614 INFO L85 PathProgramCache]: Analyzing trace with hash 444321258, now seen corresponding path program 6 times [2024-05-07 06:34:26,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:34:26,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:34:26,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 06:34:26,656 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 06:34:26,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 06:34:26,916 INFO L85 PathProgramCache]: Analyzing trace with hash 1540910357, now seen corresponding path program 1 times [2024-05-07 06:34:26,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:34:26,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:34:26,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 06:34:28,090 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 06:34:28,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:34:28,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:34:28,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 06:34:28,904 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 06:34:29,144 INFO L85 PathProgramCache]: Analyzing trace with hash 603896095, now seen corresponding path program 2 times [2024-05-07 06:34:29,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:34:29,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:34:29,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 06:34:29,380 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-05-07 06:34:29,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:34:29,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:34:29,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 06:34:29,604 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-05-07 06:34:29,737 INFO L85 PathProgramCache]: Analyzing trace with hash 1540910019, now seen corresponding path program 3 times [2024-05-07 06:34:29,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:34:29,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:34:29,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 06:34:30,501 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 06:34:30,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:34:30,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:34:30,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 06:34:30,713 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-05-07 06:34:30,724 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-07 06:34:30,725 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 06:34:30,725 INFO L85 PathProgramCache]: Analyzing trace with hash -1121987728, now seen corresponding path program 1 times [2024-05-07 06:34:30,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 06:34:30,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614810937] [2024-05-07 06:34:30,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:34:30,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:34:30,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 06:34:30,757 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-05-07 06:34:30,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 06:34:30,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614810937] [2024-05-07 06:34:30,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [614810937] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-07 06:34:30,760 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-07 06:34:30,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-07 06:34:30,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92673279] [2024-05-07 06:34:30,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-07 06:34:30,768 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-05-07 06:34:30,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 06:34:30,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-07 06:34:30,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-05-07 06:34:30,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 06:34:30,793 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 06:34:30,794 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 37.5) internal successors, (75), 2 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-07 06:34:30,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 06:34:31,009 INFO L85 PathProgramCache]: Analyzing trace with hash -319144301, now seen corresponding path program 7 times [2024-05-07 06:34:31,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:34:31,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:34:31,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 06:34:31,040 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 06:34:31,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 06:34:31,341 INFO L85 PathProgramCache]: Analyzing trace with hash 1790820321, now seen corresponding path program 8 times [2024-05-07 06:34:31,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:34:31,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:34:31,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 06:34:31,370 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 06:34:31,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 06:34:31,518 INFO L85 PathProgramCache]: Analyzing trace with hash -319144639, now seen corresponding path program 9 times [2024-05-07 06:34:31,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:34:31,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:34:31,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 06:34:31,538 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 06:34:31,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 06:34:31,697 INFO L85 PathProgramCache]: Analyzing trace with hash 444321100, now seen corresponding path program 10 times [2024-05-07 06:34:31,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:34:31,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:34:31,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 06:34:31,716 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 06:34:31,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 06:34:31,979 INFO L85 PathProgramCache]: Analyzing trace with hash 845616928, now seen corresponding path program 11 times [2024-05-07 06:34:31,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:34:31,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:34:31,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 06:34:31,995 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 06:34:32,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 06:34:32,220 INFO L85 PathProgramCache]: Analyzing trace with hash 444321258, now seen corresponding path program 12 times [2024-05-07 06:34:32,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:34:32,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:34:32,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 06:34:32,238 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 06:34:32,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 06:34:32,448 INFO L85 PathProgramCache]: Analyzing trace with hash 1540910357, now seen corresponding path program 4 times [2024-05-07 06:34:32,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:34:32,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:34:32,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 06:34:32,619 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-05-07 06:34:32,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:34:32,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:34:32,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 06:34:33,821 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 06:34:34,035 INFO L85 PathProgramCache]: Analyzing trace with hash 603896095, now seen corresponding path program 5 times [2024-05-07 06:34:34,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:34:34,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:34:34,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 06:34:34,226 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-05-07 06:34:34,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:34:34,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:34:34,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 06:34:34,413 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-05-07 06:34:34,540 INFO L85 PathProgramCache]: Analyzing trace with hash 1540910019, now seen corresponding path program 6 times [2024-05-07 06:34:34,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:34:34,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:34:34,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 06:34:35,079 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 06:34:35,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:34:35,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:34:35,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 06:34:35,520 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-07 06:34:35,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 06:34:35,527 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,SelfDestructingSolverStorable18,SelfDestructingSolverStorable19,SelfDestructingSolverStorable21,SelfDestructingSolverStorable22,SelfDestructingSolverStorable12,SelfDestructingSolverStorable23,SelfDestructingSolverStorable13,SelfDestructingSolverStorable24,SelfDestructingSolverStorable14,SelfDestructingSolverStorable15,SelfDestructingSolverStorable16,SelfDestructingSolverStorable17 [2024-05-07 06:34:35,527 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-07 06:34:35,528 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 06:34:35,528 INFO L85 PathProgramCache]: Analyzing trace with hash -1005987980, now seen corresponding path program 1 times [2024-05-07 06:34:35,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 06:34:35,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452467720] [2024-05-07 06:34:35,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:34:35,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:34:35,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 06:34:35,744 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-07 06:34:35,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 06:34:35,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [452467720] [2024-05-07 06:34:35,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [452467720] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-07 06:34:35,744 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-07 06:34:35,745 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-07 06:34:35,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685303150] [2024-05-07 06:34:35,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-07 06:34:35,746 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-07 06:34:35,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 06:34:35,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-07 06:34:35,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-05-07 06:34:35,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 06:34:35,748 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 06:34:35,748 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-07 06:34:35,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 06:34:35,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 06:34:36,022 INFO L85 PathProgramCache]: Analyzing trace with hash 1656362122, now seen corresponding path program 1 times [2024-05-07 06:34:36,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:34:36,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:34:36,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 06:34:37,514 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 06:34:37,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:34:37,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:34:37,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 06:34:37,899 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 16 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-05-07 06:34:38,103 INFO L85 PathProgramCache]: Analyzing trace with hash 1161809674, now seen corresponding path program 2 times [2024-05-07 06:34:38,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:34:38,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:34:38,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 06:34:39,142 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 06:34:39,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:34:39,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:34:39,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 06:34:40,125 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 06:34:40,258 INFO L85 PathProgramCache]: Analyzing trace with hash 1656361784, now seen corresponding path program 3 times [2024-05-07 06:34:40,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:34:40,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:34:40,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 06:34:41,400 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 1 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 06:34:41,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:34:41,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:34:41,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 06:34:41,636 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 16 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-05-07 06:34:41,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 06:34:41,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-07 06:34:41,645 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,SelfDestructingSolverStorable30,SelfDestructingSolverStorable31,SelfDestructingSolverStorable25,SelfDestructingSolverStorable26,SelfDestructingSolverStorable27,SelfDestructingSolverStorable28 [2024-05-07 06:34:41,646 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-07 06:34:41,647 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 06:34:41,648 INFO L85 PathProgramCache]: Analyzing trace with hash 1498311593, now seen corresponding path program 1 times [2024-05-07 06:34:41,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 06:34:41,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505479022] [2024-05-07 06:34:41,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:34:41,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:34:41,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 06:34:42,167 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-07 06:34:42,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 06:34:42,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505479022] [2024-05-07 06:34:42,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1505479022] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 06:34:42,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1981327789] [2024-05-07 06:34:42,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:34:42,169 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 06:34:42,169 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 06:34:42,206 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-07 06:34:42,208 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-05-07 06:34:42,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 06:34:42,339 INFO L262 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 18 conjunts are in the unsatisfiable core [2024-05-07 06:34:42,342 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 06:34:43,565 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-07 06:34:43,565 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 06:34:45,023 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 06:34:45,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1981327789] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 06:34:45,024 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 06:34:45,024 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 12, 12] total 28 [2024-05-07 06:34:45,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001385345] [2024-05-07 06:34:45,024 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 06:34:45,025 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-05-07 06:34:45,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 06:34:45,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-05-07 06:34:45,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=137, Invalid=619, Unknown=0, NotChecked=0, Total=756 [2024-05-07 06:34:45,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 06:34:45,026 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 06:34:45,027 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 5.071428571428571) internal successors, (142), 28 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-07 06:34:45,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 06:34:45,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-07 06:34:45,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 06:34:54,907 INFO L85 PathProgramCache]: Analyzing trace with hash 1583259718, now seen corresponding path program 4 times [2024-05-07 06:34:54,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:34:54,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:34:55,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 06:34:59,625 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 52 proven. 109 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-05-07 06:34:59,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:34:59,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:34:59,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 06:35:02,415 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 52 proven. 109 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-05-07 06:35:02,583 INFO L85 PathProgramCache]: Analyzing trace with hash 1836411268, now seen corresponding path program 5 times [2024-05-07 06:35:02,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:35:02,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:35:02,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 06:35:06,039 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 1 proven. 144 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-05-07 06:35:06,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:35:06,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:35:06,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 06:35:13,789 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 2 proven. 148 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-05-07 06:35:13,953 INFO L85 PathProgramCache]: Analyzing trace with hash -765074951, now seen corresponding path program 6 times [2024-05-07 06:35:13,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:35:13,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:35:14,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 06:35:19,494 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 54 proven. 107 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-05-07 06:35:19,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:35:19,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:35:19,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 06:35:36,110 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 5 proven. 157 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-05-07 06:35:36,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 06:35:36,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-07 06:35:36,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2024-05-07 06:35:36,205 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-05-07 06:35:36,396 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,SelfDestructingSolverStorable32,SelfDestructingSolverStorable33,SelfDestructingSolverStorable34,SelfDestructingSolverStorable35,SelfDestructingSolverStorable36,SelfDestructingSolverStorable37,SelfDestructingSolverStorable38 [2024-05-07 06:35:36,397 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-07 06:35:36,397 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 06:35:36,398 INFO L85 PathProgramCache]: Analyzing trace with hash 382352847, now seen corresponding path program 2 times [2024-05-07 06:35:36,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 06:35:36,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954733133] [2024-05-07 06:35:36,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:35:36,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:35:36,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 06:35:39,597 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 100 proven. 76 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-05-07 06:35:39,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 06:35:39,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1954733133] [2024-05-07 06:35:39,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1954733133] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 06:35:39,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1304530250] [2024-05-07 06:35:39,598 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-07 06:35:39,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 06:35:39,599 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 06:35:39,599 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-07 06:35:39,601 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-05-07 06:35:39,718 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-07 06:35:39,718 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 06:35:39,720 INFO L262 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 13 conjunts are in the unsatisfiable core [2024-05-07 06:35:39,722 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 06:35:40,192 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 70 proven. 43 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-05-07 06:35:40,192 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 06:35:40,434 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 75 proven. 1 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2024-05-07 06:35:40,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1304530250] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 06:35:40,435 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 06:35:40,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 9, 6] total 42 [2024-05-07 06:35:40,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999909144] [2024-05-07 06:35:40,435 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 06:35:40,436 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2024-05-07 06:35:40,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 06:35:40,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2024-05-07 06:35:40,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=1586, Unknown=0, NotChecked=0, Total=1722 [2024-05-07 06:35:40,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 06:35:40,439 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 06:35:40,439 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 4.5476190476190474) internal successors, (191), 42 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-07 06:35:40,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 06:35:40,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-07 06:35:40,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2024-05-07 06:35:40,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 06:35:47,600 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-07 06:35:50,940 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-07 06:35:57,079 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-07 06:36:07,240 INFO L85 PathProgramCache]: Analyzing trace with hash -541329360, now seen corresponding path program 7 times [2024-05-07 06:36:07,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:36:07,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:36:07,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 06:36:10,611 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 1 proven. 296 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-05-07 06:36:10,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:36:10,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:36:10,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 06:36:23,336 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 117 proven. 202 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-05-07 06:36:24,440 INFO L85 PathProgramCache]: Analyzing trace with hash 398659290, now seen corresponding path program 8 times [2024-05-07 06:36:24,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:36:24,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:36:24,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 06:36:37,393 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 7 proven. 296 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-05-07 06:36:37,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:36:37,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:36:37,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 06:36:44,509 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 9 proven. 296 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-05-07 06:36:45,012 INFO L85 PathProgramCache]: Analyzing trace with hash -1331423272, now seen corresponding path program 9 times [2024-05-07 06:36:45,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:36:45,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:36:45,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 06:36:54,904 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 51 proven. 271 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-05-07 06:36:54,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:36:54,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:36:55,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 06:37:33,568 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 5 proven. 312 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-05-07 06:37:33,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 06:37:33,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-07 06:37:33,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2024-05-07 06:37:33,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2024-05-07 06:37:33,654 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-05-07 06:37:33,848 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,SelfDestructingSolverStorable41,SelfDestructingSolverStorable42,SelfDestructingSolverStorable43,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable44,SelfDestructingSolverStorable45,SelfDestructingSolverStorable39 [2024-05-07 06:37:33,849 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-07 06:37:33,849 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 06:37:33,849 INFO L85 PathProgramCache]: Analyzing trace with hash 745367709, now seen corresponding path program 3 times [2024-05-07 06:37:33,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 06:37:33,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365955413] [2024-05-07 06:37:33,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:37:33,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:37:33,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 06:37:38,005 INFO L134 CoverageAnalysis]: Checked inductivity of 326 backedges. 184 proven. 128 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-05-07 06:37:38,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 06:37:38,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365955413] [2024-05-07 06:37:38,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [365955413] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 06:37:38,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [98573340] [2024-05-07 06:37:38,008 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-07 06:37:38,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 06:37:38,008 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 06:37:38,011 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-07 06:37:38,013 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-05-07 06:37:38,547 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-05-07 06:37:38,547 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 06:37:38,551 INFO L262 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 71 conjunts are in the unsatisfiable core [2024-05-07 06:37:38,555 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 06:45:06,457 WARN L293 SmtUtils]: Spent 5.03s on a formula simplification that was a NOOP. DAG size: 58 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-07 06:45:53,052 WARN L293 SmtUtils]: Spent 11.50s on a formula simplification that was a NOOP. DAG size: 69 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-07 06:47:13,070 WARN L293 SmtUtils]: Spent 12.14s on a formula simplification that was a NOOP. DAG size: 79 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-07 06:47:13,073 INFO L134 CoverageAnalysis]: Checked inductivity of 326 backedges. 140 proven. 162 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-05-07 06:47:13,074 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 06:47:28,133 INFO L134 CoverageAnalysis]: Checked inductivity of 326 backedges. 0 proven. 326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 06:47:28,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [98573340] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 06:47:28,133 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 06:47:28,134 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [44, 38, 52] total 129 [2024-05-07 06:47:28,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977236729] [2024-05-07 06:47:28,134 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 06:47:28,135 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 129 states [2024-05-07 06:47:28,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 06:47:28,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 129 interpolants. [2024-05-07 06:47:28,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2957, Invalid=13493, Unknown=62, NotChecked=0, Total=16512 [2024-05-07 06:47:28,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 06:47:28,143 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 06:47:28,143 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 129 states, 129 states have (on average 2.4031007751937983) internal successors, (310), 129 states have internal predecessors, (310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-07 06:47:28,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 06:47:28,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-07 06:47:28,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2024-05-07 06:47:28,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 130 states. [2024-05-07 06:47:28,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2024-05-07 06:48:14,035 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-07 06:48:14,036 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-07 06:48:14,036 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-07 06:48:15,053 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-05-07 06:48:15,062 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-05-07 06:48:15,203 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2024-05-07 06:48:15,203 WARN L619 AbstractCegarLoop]: Verification canceled: while executing Executor. [2024-05-07 06:48:15,205 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2024-05-07 06:48:15,206 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-05-07 06:48:15,206 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-05-07 06:48:15,206 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-05-07 06:48:15,213 INFO L448 BasicCegarLoop]: Path program histogram: [12, 9, 6, 3, 1, 1] [2024-05-07 06:48:15,216 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-05-07 06:48:15,216 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-05-07 06:48:15,219 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.05 06:48:15 BasicIcfg [2024-05-07 06:48:15,219 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-05-07 06:48:15,221 INFO L158 Benchmark]: Toolchain (without parser) took 833312.85ms. Allocated memory was 154.1MB in the beginning and 1.1GB in the end (delta: 939.5MB). Free memory was 83.2MB in the beginning and 663.9MB in the end (delta: -580.7MB). Peak memory consumption was 358.9MB. Max. memory is 8.0GB. [2024-05-07 06:48:15,223 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 154.1MB. Free memory was 89.2MB in the beginning and 89.1MB in the end (delta: 153.9kB). There was no memory consumed. Max. memory is 8.0GB. [2024-05-07 06:48:15,223 INFO L158 Benchmark]: CACSL2BoogieTranslator took 246.91ms. Allocated memory was 154.1MB in the beginning and 248.5MB in the end (delta: 94.4MB). Free memory was 83.0MB in the beginning and 218.3MB in the end (delta: -135.4MB). Peak memory consumption was 18.1MB. Max. memory is 8.0GB. [2024-05-07 06:48:15,226 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.00ms. Allocated memory is still 248.5MB. Free memory was 218.3MB in the beginning and 216.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-05-07 06:48:15,226 INFO L158 Benchmark]: Boogie Preprocessor took 35.52ms. Allocated memory is still 248.5MB. Free memory was 216.7MB in the beginning and 215.2MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-05-07 06:48:15,227 INFO L158 Benchmark]: RCFGBuilder took 423.35ms. Allocated memory is still 248.5MB. Free memory was 215.2MB in the beginning and 196.8MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2024-05-07 06:48:15,236 INFO L158 Benchmark]: TraceAbstraction took 832566.84ms. Allocated memory was 248.5MB in the beginning and 1.1GB in the end (delta: 845.2MB). Free memory was 195.8MB in the beginning and 663.9MB in the end (delta: -468.1MB). Peak memory consumption was 376.5MB. Max. memory is 8.0GB. [2024-05-07 06:48:15,242 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks [2024-05-07 06:48:15,246 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 154.1MB. Free memory was 89.2MB in the beginning and 89.1MB in the end (delta: 153.9kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 246.91ms. Allocated memory was 154.1MB in the beginning and 248.5MB in the end (delta: 94.4MB). Free memory was 83.0MB in the beginning and 218.3MB in the end (delta: -135.4MB). Peak memory consumption was 18.1MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 34.00ms. Allocated memory is still 248.5MB. Free memory was 218.3MB in the beginning and 216.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 35.52ms. Allocated memory is still 248.5MB. Free memory was 216.7MB in the beginning and 215.2MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 423.35ms. Allocated memory is still 248.5MB. Free memory was 215.2MB in the beginning and 196.8MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * TraceAbstraction took 832566.84ms. Allocated memory was 248.5MB in the beginning and 1.1GB in the end (delta: 845.2MB). Free memory was 195.8MB in the beginning and 663.9MB in the end (delta: -468.1MB). Peak memory consumption was 376.5MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks [2024-05-07 06:48:15,256 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 7538, independent: 6712, independent conditional: 5175, independent unconditional: 1537, dependent: 811, dependent conditional: 797, dependent unconditional: 14, unknown: 15, unknown conditional: 8, unknown unconditional: 7] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6766, independent: 6712, independent conditional: 5175, independent unconditional: 1537, dependent: 39, dependent conditional: 25, dependent unconditional: 14, unknown: 15, unknown conditional: 8, unknown unconditional: 7] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6766, independent: 6712, independent conditional: 5175, independent unconditional: 1537, dependent: 39, dependent conditional: 25, dependent unconditional: 14, unknown: 15, unknown conditional: 8, unknown unconditional: 7] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 6766, independent: 6712, independent conditional: 5175, independent unconditional: 1537, dependent: 39, dependent conditional: 25, dependent unconditional: 14, unknown: 15, unknown conditional: 8, unknown unconditional: 7] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6841, independent: 6712, independent conditional: 1417, independent unconditional: 5295, dependent: 96, dependent conditional: 24, dependent unconditional: 72, unknown: 33, unknown conditional: 9, unknown unconditional: 24] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 6841, independent: 6712, independent conditional: 1330, independent unconditional: 5382, dependent: 96, dependent conditional: 5, dependent unconditional: 91, unknown: 33, unknown conditional: 4, unknown unconditional: 29] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6841, independent: 6712, independent conditional: 1330, independent unconditional: 5382, dependent: 96, dependent conditional: 5, dependent unconditional: 91, unknown: 33, unknown conditional: 4, unknown unconditional: 29] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 381, independent: 370, independent conditional: 0, independent unconditional: 370, dependent: 9, dependent conditional: 4, dependent unconditional: 5, unknown: 2, unknown conditional: 1, unknown unconditional: 1] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 381, independent: 370, independent conditional: 0, independent unconditional: 370, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 11, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 9, dependent conditional: 4, dependent unconditional: 5, unknown: 2, unknown conditional: 1, unknown unconditional: 1] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 11, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 9, dependent conditional: 4, dependent unconditional: 5, unknown: 2, unknown conditional: 1, unknown unconditional: 1] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3025, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 982, dependent conditional: 889, dependent unconditional: 93, unknown: 2042, unknown conditional: 1021, unknown unconditional: 1021] , Protected Queries: 0 ], Cache Queries: [ total: 6841, independent: 6342, independent conditional: 1330, independent unconditional: 5012, dependent: 87, dependent conditional: 1, dependent unconditional: 86, unknown: 412, unknown conditional: 8, unknown unconditional: 404] , Statistics on independence cache: Total cache size (in pairs): 379, Positive cache size: 370, Positive conditional cache size: 0, Positive unconditional cache size: 370, Negative cache size: 9, Negative conditional cache size: 4, Negative unconditional cache size: 5, Unknown cache size: 2, Unknown conditional cache size: 1, Unknown unconditional cache size: 1, Eliminated conditions: 111, Maximal queried relation: 2, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6841, independent: 6712, independent conditional: 1417, independent unconditional: 5295, dependent: 96, dependent conditional: 24, dependent unconditional: 72, unknown: 33, unknown conditional: 9, unknown unconditional: 24] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 6841, independent: 6712, independent conditional: 1330, independent unconditional: 5382, dependent: 96, dependent conditional: 5, dependent unconditional: 91, unknown: 33, unknown conditional: 4, unknown unconditional: 29] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6841, independent: 6712, independent conditional: 1330, independent unconditional: 5382, dependent: 96, dependent conditional: 5, dependent unconditional: 91, unknown: 33, unknown conditional: 4, unknown unconditional: 29] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 381, independent: 370, independent conditional: 0, independent unconditional: 370, dependent: 9, dependent conditional: 4, dependent unconditional: 5, unknown: 2, unknown conditional: 1, unknown unconditional: 1] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 381, independent: 370, independent conditional: 0, independent unconditional: 370, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 11, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 9, dependent conditional: 4, dependent unconditional: 5, unknown: 2, unknown conditional: 1, unknown unconditional: 1] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 11, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 9, dependent conditional: 4, dependent unconditional: 5, unknown: 2, unknown conditional: 1, unknown unconditional: 1] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3025, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 982, dependent conditional: 889, dependent unconditional: 93, unknown: 2042, unknown conditional: 1021, unknown unconditional: 1021] , Protected Queries: 0 ], Cache Queries: [ total: 6841, independent: 6342, independent conditional: 1330, independent unconditional: 5012, dependent: 87, dependent conditional: 1, dependent unconditional: 86, unknown: 412, unknown conditional: 8, unknown unconditional: 404] , Statistics on independence cache: Total cache size (in pairs): 379, Positive cache size: 370, Positive conditional cache size: 0, Positive unconditional cache size: 370, Negative cache size: 9, Negative conditional cache size: 4, Negative unconditional cache size: 5, Unknown cache size: 2, Unknown conditional cache size: 1, Unknown unconditional cache size: 1, Eliminated conditions: 111 ], Independence queries for same thread: 772 - TimeoutResultAtElement [Line: 105]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while executing Executor. - TimeoutResultAtElement [Line: 98]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while executing Executor. - TimeoutResultAtElement [Line: 99]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while executing Executor. - TimeoutResultAtElement [Line: 97]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while executing Executor. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 111 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 832.4s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 12, EmptinessCheckTime: 229.9s, 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: 277, 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: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 600.8s InterpolantComputationTime, 853 NumberOfCodeBlocks, 853 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 1191 ConstructedInterpolants, 0 QuantifiedInterpolants, 16836 SizeOfPredicates, 29 NumberOfNonLiveVariables, 768 ConjunctsInSsa, 102 ConjunctsInUnsatCore, 11 InterpolantComputations, 2 PerfectInterpolantSequences, 888/1653 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: 146.1s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 0, ConditionalCommutativityConditionCalculations: 27, ConditionalCommutativityTraceChecks: 27, ConditionalCommutativityImperfectProofs: 15 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown