/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 BOTH --traceabstraction.criterion.for.conditional.commutativity.checking DEFAULT --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/pthread/stateful01-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-17da818-m [2024-05-07 20:19:03,099 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-07 20:19:03,159 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-05-07 20:19:03,162 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-07 20:19:03,163 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-07 20:19:03,190 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-07 20:19:03,191 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-07 20:19:03,192 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-07 20:19:03,192 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-07 20:19:03,195 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-07 20:19:03,195 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-07 20:19:03,196 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-07 20:19:03,196 INFO L153 SettingsManager]: * Use SBE=true [2024-05-07 20:19:03,197 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-07 20:19:03,197 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-07 20:19:03,198 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-07 20:19:03,198 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-07 20:19:03,198 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-07 20:19:03,198 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-07 20:19:03,198 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-07 20:19:03,198 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-07 20:19:03,199 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-07 20:19:03,199 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-07 20:19:03,200 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-07 20:19:03,200 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-07 20:19:03,200 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-07 20:19:03,200 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-07 20:19:03,201 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-07 20:19:03,201 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-07 20:19:03,201 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-07 20:19:03,202 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-07 20:19:03,202 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-07 20:19:03,202 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-07 20:19:03,202 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-07 20:19:03,203 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-05-07 20:19:03,203 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-05-07 20:19:03,203 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-07 20:19:03,203 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-07 20:19:03,203 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-07 20:19:03,203 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> BOTH Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> DEFAULT Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 10 [2024-05-07 20:19:03,453 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-07 20:19:03,479 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-07 20:19:03,481 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-07 20:19:03,482 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-07 20:19:03,482 INFO L274 PluginConnector]: CDTParser initialized [2024-05-07 20:19:03,483 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread/stateful01-2.i [2024-05-07 20:19:04,449 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-07 20:19:04,674 INFO L384 CDTParser]: Found 1 translation units. [2024-05-07 20:19:04,675 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/stateful01-2.i [2024-05-07 20:19:04,695 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/09470ec1e/cd39872c2abe47ac89dceb5183e7dcf7/FLAG75d001db0 [2024-05-07 20:19:04,711 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/09470ec1e/cd39872c2abe47ac89dceb5183e7dcf7 [2024-05-07 20:19:04,714 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-07 20:19:04,716 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-07 20:19:04,718 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-07 20:19:04,718 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-07 20:19:04,722 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-07 20:19:04,722 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.05 08:19:04" (1/1) ... [2024-05-07 20:19:04,723 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c9d9706 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 08:19:04, skipping insertion in model container [2024-05-07 20:19:04,723 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.05 08:19:04" (1/1) ... [2024-05-07 20:19:04,764 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-07 20:19:05,044 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/stateful01-2.i[30826,30839] [2024-05-07 20:19:05,047 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-07 20:19:05,056 INFO L202 MainTranslator]: Completed pre-run [2024-05-07 20:19:05,095 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/stateful01-2.i[30826,30839] [2024-05-07 20:19:05,095 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-07 20:19:05,146 INFO L206 MainTranslator]: Completed translation [2024-05-07 20:19:05,146 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 08:19:05 WrapperNode [2024-05-07 20:19:05,147 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-07 20:19:05,147 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-07 20:19:05,147 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-07 20:19:05,148 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-07 20:19:05,153 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 08:19:05" (1/1) ... [2024-05-07 20:19:05,163 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 08:19:05" (1/1) ... [2024-05-07 20:19:05,177 INFO L138 Inliner]: procedures = 169, calls = 38, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 62 [2024-05-07 20:19:05,178 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-07 20:19:05,178 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-07 20:19:05,178 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-07 20:19:05,178 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-07 20:19:05,184 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 08:19:05" (1/1) ... [2024-05-07 20:19:05,185 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 08:19:05" (1/1) ... [2024-05-07 20:19:05,187 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 08:19:05" (1/1) ... [2024-05-07 20:19:05,187 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 08:19:05" (1/1) ... [2024-05-07 20:19:05,191 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 08:19:05" (1/1) ... [2024-05-07 20:19:05,192 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 08:19:05" (1/1) ... [2024-05-07 20:19:05,193 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 08:19:05" (1/1) ... [2024-05-07 20:19:05,194 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 08:19:05" (1/1) ... [2024-05-07 20:19:05,195 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-07 20:19:05,196 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-07 20:19:05,196 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-07 20:19:05,196 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-07 20:19:05,197 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 08:19:05" (1/1) ... [2024-05-07 20:19:05,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-07 20:19:05,210 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 20:19:05,223 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 20:19:05,231 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 20:19:05,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-05-07 20:19:05,263 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-05-07 20:19:05,263 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-05-07 20:19:05,263 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-05-07 20:19:05,263 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-05-07 20:19:05,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-07 20:19:05,263 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-05-07 20:19:05,263 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-07 20:19:05,263 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-07 20:19:05,264 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-07 20:19:05,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-07 20:19:05,264 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-05-07 20:19:05,265 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-07 20:19:05,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-07 20:19:05,266 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 20:19:05,398 INFO L241 CfgBuilder]: Building ICFG [2024-05-07 20:19:05,400 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-07 20:19:05,549 INFO L282 CfgBuilder]: Performing block encoding [2024-05-07 20:19:05,568 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-07 20:19:05,568 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2024-05-07 20:19:05,570 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 08:19:05 BoogieIcfgContainer [2024-05-07 20:19:05,570 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-07 20:19:05,572 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-07 20:19:05,572 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-07 20:19:05,574 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-07 20:19:05,574 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.05 08:19:04" (1/3) ... [2024-05-07 20:19:05,575 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dc598b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.05 08:19:05, skipping insertion in model container [2024-05-07 20:19:05,575 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 08:19:05" (2/3) ... [2024-05-07 20:19:05,575 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dc598b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.05 08:19:05, skipping insertion in model container [2024-05-07 20:19:05,575 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 08:19:05" (3/3) ... [2024-05-07 20:19:05,576 INFO L112 eAbstractionObserver]: Analyzing ICFG stateful01-2.i [2024-05-07 20:19:05,582 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-07 20:19:05,589 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-07 20:19:05,589 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-07 20:19:05,590 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-07 20:19:05,635 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-05-07 20:19:05,665 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-07 20:19:05,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-07 20:19:05,666 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 20:19:05,669 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 20:19:05,673 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 20:19:05,696 INFO L188 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-07 20:19:05,705 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 20:19:05,706 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-05-07 20:19:05,711 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;@40322b6a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=BOTH, mConComCheckerCriterion=DEFAULT, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=10, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-05-07 20:19:05,712 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-05-07 20:19:05,745 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-07 20:19:05,746 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 20:19:05,747 INFO L85 PathProgramCache]: Analyzing trace with hash 902819460, now seen corresponding path program 1 times [2024-05-07 20:19:05,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 20:19:05,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620351822] [2024-05-07 20:19:05,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 20:19:05,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 20:19:05,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 20:19:06,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 20:19:06,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 20:19:06,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620351822] [2024-05-07 20:19:06,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [620351822] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-07 20:19:06,357 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-07 20:19:06,357 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-07 20:19:06,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726585389] [2024-05-07 20:19:06,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-07 20:19:06,363 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-07 20:19:06,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 20:19:06,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-07 20:19:06,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-07 20:19:06,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 20:19:06,399 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 20:19:06,400 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 6 states have internal predecessors, (80), 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 20:19:06,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 20:19:07,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-07 20:19:07,235 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-07 20:19:07,235 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-07 20:19:07,236 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 20:19:07,236 INFO L85 PathProgramCache]: Analyzing trace with hash -928417862, now seen corresponding path program 2 times [2024-05-07 20:19:07,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 20:19:07,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083638208] [2024-05-07 20:19:07,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 20:19:07,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 20:19:07,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 20:19:07,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 20:19:07,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 20:19:07,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083638208] [2024-05-07 20:19:07,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2083638208] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-07 20:19:07,409 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-07 20:19:07,409 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-05-07 20:19:07,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732623498] [2024-05-07 20:19:07,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-07 20:19:07,410 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-05-07 20:19:07,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 20:19:07,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-05-07 20:19:07,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-05-07 20:19:07,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 20:19:07,419 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 20:19:07,419 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 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 20:19:07,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-07 20:19:07,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 20:19:07,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-07 20:19:07,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-07 20:19:07,498 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-05-07 20:19:07,498 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-07 20:19:07,499 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 20:19:07,499 INFO L85 PathProgramCache]: Analyzing trace with hash 458853780, now seen corresponding path program 3 times [2024-05-07 20:19:07,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 20:19:07,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874621845] [2024-05-07 20:19:07,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 20:19:07,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 20:19:07,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 20:19:07,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 20:19:07,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 20:19:07,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874621845] [2024-05-07 20:19:07,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [874621845] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-07 20:19:07,640 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-07 20:19:07,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-07 20:19:07,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517676265] [2024-05-07 20:19:07,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-07 20:19:07,641 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-07 20:19:07,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 20:19:07,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-07 20:19:07,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-07 20:19:07,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 20:19:07,662 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 20:19:07,662 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 6 states have internal predecessors, (80), 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 20:19:07,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-07 20:19:07,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-07 20:19:07,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 20:19:07,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-07 20:19:07,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-07 20:19:07,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-07 20:19:07,820 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2024-05-07 20:19:07,820 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2024-05-07 20:19:07,820 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-05-07 20:19:07,820 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-05-07 20:19:07,828 INFO L448 BasicCegarLoop]: Path program histogram: [3] [2024-05-07 20:19:07,830 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-05-07 20:19:07,830 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-05-07 20:19:07,832 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.05 08:19:07 BasicIcfg [2024-05-07 20:19:07,832 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-05-07 20:19:07,833 INFO L158 Benchmark]: Toolchain (without parser) took 3117.12ms. Allocated memory was 179.3MB in the beginning and 294.6MB in the end (delta: 115.3MB). Free memory was 107.2MB in the beginning and 145.2MB in the end (delta: -38.0MB). Peak memory consumption was 78.6MB. Max. memory is 8.0GB. [2024-05-07 20:19:07,833 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 179.3MB. Free memory was 145.6MB in the beginning and 145.5MB in the end (delta: 146.8kB). There was no memory consumed. Max. memory is 8.0GB. [2024-05-07 20:19:07,833 INFO L158 Benchmark]: CACSL2BoogieTranslator took 428.92ms. Allocated memory was 179.3MB in the beginning and 294.6MB in the end (delta: 115.3MB). Free memory was 107.0MB in the beginning and 262.1MB in the end (delta: -155.1MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. [2024-05-07 20:19:07,833 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.30ms. Allocated memory is still 294.6MB. Free memory was 262.1MB in the beginning and 260.0MB in the end (delta: 2.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-05-07 20:19:07,834 INFO L158 Benchmark]: Boogie Preprocessor took 17.29ms. Allocated memory is still 294.6MB. Free memory was 260.0MB in the beginning and 258.5MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-05-07 20:19:07,834 INFO L158 Benchmark]: RCFGBuilder took 374.03ms. Allocated memory is still 294.6MB. Free memory was 258.5MB in the beginning and 249.8MB in the end (delta: 8.6MB). Peak memory consumption was 12.9MB. Max. memory is 8.0GB. [2024-05-07 20:19:07,834 INFO L158 Benchmark]: TraceAbstraction took 2260.47ms. Allocated memory is still 294.6MB. Free memory was 248.8MB in the beginning and 145.2MB in the end (delta: 103.5MB). Peak memory consumption was 103.5MB. Max. memory is 8.0GB. [2024-05-07 20:19:07,835 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 179.3MB. Free memory was 145.6MB in the beginning and 145.5MB in the end (delta: 146.8kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 428.92ms. Allocated memory was 179.3MB in the beginning and 294.6MB in the end (delta: 115.3MB). Free memory was 107.0MB in the beginning and 262.1MB in the end (delta: -155.1MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 30.30ms. Allocated memory is still 294.6MB. Free memory was 262.1MB in the beginning and 260.0MB in the end (delta: 2.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 17.29ms. Allocated memory is still 294.6MB. Free memory was 260.0MB in the beginning and 258.5MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 374.03ms. Allocated memory is still 294.6MB. Free memory was 258.5MB in the beginning and 249.8MB in the end (delta: 8.6MB). Peak memory consumption was 12.9MB. Max. memory is 8.0GB. * TraceAbstraction took 2260.47ms. Allocated memory is still 294.6MB. Free memory was 248.8MB in the beginning and 145.2MB in the end (delta: 103.5MB). Peak memory consumption was 103.5MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 8842, independent: 8813, independent conditional: 8758, independent unconditional: 55, dependent: 29, dependent conditional: 29, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 8842, independent: 8813, independent conditional: 8758, independent unconditional: 55, dependent: 29, dependent conditional: 29, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8842, independent: 8813, independent conditional: 8758, independent unconditional: 55, dependent: 29, dependent conditional: 29, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 8842, independent: 8813, independent conditional: 8758, independent unconditional: 55, dependent: 29, dependent conditional: 29, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8896, independent: 8813, independent conditional: 4336, independent unconditional: 4477, dependent: 83, dependent conditional: 47, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 8896, independent: 8813, independent conditional: 573, independent unconditional: 8240, dependent: 83, dependent conditional: 13, dependent unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 8896, independent: 8813, independent conditional: 573, independent unconditional: 8240, dependent: 83, dependent conditional: 13, dependent unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 677, independent: 656, independent conditional: 48, independent unconditional: 608, dependent: 21, dependent conditional: 6, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 677, independent: 644, independent conditional: 0, independent unconditional: 644, dependent: 33, dependent conditional: 0, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 33, independent: 12, independent conditional: 1, independent unconditional: 11, dependent: 21, dependent conditional: 6, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 33, independent: 12, independent conditional: 1, independent unconditional: 11, dependent: 21, dependent conditional: 6, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 79, independent: 13, independent conditional: 0, independent unconditional: 13, dependent: 66, dependent conditional: 10, dependent unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 8896, independent: 8157, independent conditional: 525, independent unconditional: 7632, dependent: 62, dependent conditional: 7, dependent unconditional: 55, unknown: 677, unknown conditional: 54, unknown unconditional: 623] , Statistics on independence cache: Total cache size (in pairs): 677, Positive cache size: 656, Positive conditional cache size: 48, Positive unconditional cache size: 608, Negative cache size: 21, Negative conditional cache size: 6, Negative unconditional cache size: 15, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 3797, Maximal queried relation: 2, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8896, independent: 8813, independent conditional: 4336, independent unconditional: 4477, dependent: 83, dependent conditional: 47, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 8896, independent: 8813, independent conditional: 573, independent unconditional: 8240, dependent: 83, dependent conditional: 13, dependent unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 8896, independent: 8813, independent conditional: 573, independent unconditional: 8240, dependent: 83, dependent conditional: 13, dependent unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 677, independent: 656, independent conditional: 48, independent unconditional: 608, dependent: 21, dependent conditional: 6, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 677, independent: 644, independent conditional: 0, independent unconditional: 644, dependent: 33, dependent conditional: 0, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 33, independent: 12, independent conditional: 1, independent unconditional: 11, dependent: 21, dependent conditional: 6, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 33, independent: 12, independent conditional: 1, independent unconditional: 11, dependent: 21, dependent conditional: 6, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 79, independent: 13, independent conditional: 0, independent unconditional: 13, dependent: 66, dependent conditional: 10, dependent unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 8896, independent: 8157, independent conditional: 525, independent unconditional: 7632, dependent: 62, dependent conditional: 7, dependent unconditional: 55, unknown: 677, unknown conditional: 54, unknown unconditional: 623] , Statistics on independence cache: Total cache size (in pairs): 677, Positive cache size: 656, Positive conditional cache size: 48, Positive unconditional cache size: 608, Negative cache size: 21, Negative conditional cache size: 6, Negative unconditional cache size: 15, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 3797 ], Independence queries for same thread: 0 - PositiveResult [Line: 727]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 127 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 2.1s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 1.1s, 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: 19, 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: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 240 NumberOfCodeBlocks, 240 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 237 ConstructedInterpolants, 0 QuantifiedInterpolants, 497 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConditionalCommutativityCheckTime: 0.6s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 0, ConditionalCommutativityConditionCalculations: 11, ConditionalCommutativityTraceChecks: 0, ConditionalCommutativityImperfectProofs: 0 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-05-07 20:19:07,852 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 20:19:08,056 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...