/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 SLEEP_SET --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-wmm/rfi003_tso.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-3774817-m [2024-04-06 04:19:35,547 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-06 04:19:35,609 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-06 04:19:35,618 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-06 04:19:35,618 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-06 04:19:35,642 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-06 04:19:35,643 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-06 04:19:35,643 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-06 04:19:35,644 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-06 04:19:35,647 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-06 04:19:35,648 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-06 04:19:35,648 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-06 04:19:35,648 INFO L153 SettingsManager]: * Use SBE=true [2024-04-06 04:19:35,650 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-06 04:19:35,650 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-06 04:19:35,650 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-06 04:19:35,650 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-06 04:19:35,651 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-06 04:19:35,651 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-06 04:19:35,651 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-06 04:19:35,651 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-06 04:19:35,652 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-06 04:19:35,652 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-06 04:19:35,652 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-06 04:19:35,652 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-06 04:19:35,653 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-06 04:19:35,653 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-06 04:19:35,653 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-06 04:19:35,653 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-06 04:19:35,653 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-06 04:19:35,655 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-06 04:19:35,655 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-06 04:19:35,655 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-06 04:19:35,655 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-06 04:19:35,655 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-06 04:19:35,655 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-06 04:19:35,656 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-06 04:19:35,656 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-06 04:19:35,656 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-06 04:19:35,656 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> SLEEP_SET Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 10 [2024-04-06 04:19:35,913 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-06 04:19:35,937 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-06 04:19:35,940 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-06 04:19:35,941 INFO L270 PluginConnector]: Initializing CDTParser... [2024-04-06 04:19:35,942 INFO L274 PluginConnector]: CDTParser initialized [2024-04-06 04:19:35,943 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-wmm/rfi003_tso.i [2024-04-06 04:19:37,057 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-04-06 04:19:37,336 INFO L384 CDTParser]: Found 1 translation units. [2024-04-06 04:19:37,337 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi003_tso.i [2024-04-06 04:19:37,363 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/27531fd4b/b57c5cdabaf84f6ba60b4dc762b7fa1b/FLAGf323ceadf [2024-04-06 04:19:37,377 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/27531fd4b/b57c5cdabaf84f6ba60b4dc762b7fa1b [2024-04-06 04:19:37,379 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-06 04:19:37,380 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-04-06 04:19:37,383 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-04-06 04:19:37,383 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-04-06 04:19:37,387 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-04-06 04:19:37,387 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.04 04:19:37" (1/1) ... [2024-04-06 04:19:37,388 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e245719 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 04:19:37, skipping insertion in model container [2024-04-06 04:19:37,388 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.04 04:19:37" (1/1) ... [2024-04-06 04:19:37,440 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-04-06 04:19:37,598 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-wmm/rfi003_tso.i[944,957] [2024-04-06 04:19:37,839 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-06 04:19:37,849 INFO L202 MainTranslator]: Completed pre-run [2024-04-06 04:19:37,861 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-wmm/rfi003_tso.i[944,957] [2024-04-06 04:19:37,933 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-06 04:19:37,970 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-04-06 04:19:37,971 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-04-06 04:19:37,977 INFO L206 MainTranslator]: Completed translation [2024-04-06 04:19:37,980 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 04:19:37 WrapperNode [2024-04-06 04:19:37,980 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-04-06 04:19:37,982 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-06 04:19:37,982 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-06 04:19:37,982 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-06 04:19:38,022 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 04:19:37" (1/1) ... [2024-04-06 04:19:38,044 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 04:19:37" (1/1) ... [2024-04-06 04:19:38,087 INFO L138 Inliner]: procedures = 175, calls = 47, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 170 [2024-04-06 04:19:38,087 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-06 04:19:38,089 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-06 04:19:38,089 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-06 04:19:38,089 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-06 04:19:38,097 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 04:19:37" (1/1) ... [2024-04-06 04:19:38,097 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 04:19:37" (1/1) ... [2024-04-06 04:19:38,115 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 04:19:37" (1/1) ... [2024-04-06 04:19:38,115 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 04:19:37" (1/1) ... [2024-04-06 04:19:38,122 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 04:19:37" (1/1) ... [2024-04-06 04:19:38,124 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 04:19:37" (1/1) ... [2024-04-06 04:19:38,148 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 04:19:37" (1/1) ... [2024-04-06 04:19:38,149 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 04:19:37" (1/1) ... [2024-04-06 04:19:38,152 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-06 04:19:38,153 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-06 04:19:38,153 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-06 04:19:38,153 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-06 04:19:38,154 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 04:19:37" (1/1) ... [2024-04-06 04:19:38,172 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-06 04:19:38,182 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 04:19:38,203 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-04-06 04:19:38,216 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-04-06 04:19:38,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-04-06 04:19:38,251 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-04-06 04:19:38,252 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-04-06 04:19:38,252 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-04-06 04:19:38,252 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-04-06 04:19:38,252 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-04-06 04:19:38,252 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-04-06 04:19:38,252 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-04-06 04:19:38,252 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-04-06 04:19:38,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-04-06 04:19:38,254 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-04-06 04:19:38,254 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-06 04:19:38,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-06 04:19:38,255 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-04-06 04:19:38,372 INFO L241 CfgBuilder]: Building ICFG [2024-04-06 04:19:38,374 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-06 04:19:38,718 INFO L282 CfgBuilder]: Performing block encoding [2024-04-06 04:19:38,887 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-06 04:19:38,887 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2024-04-06 04:19:38,889 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.04 04:19:38 BoogieIcfgContainer [2024-04-06 04:19:38,889 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-06 04:19:38,891 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-06 04:19:38,892 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-06 04:19:38,894 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-06 04:19:38,895 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.04 04:19:37" (1/3) ... [2024-04-06 04:19:38,896 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7653bd7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.04 04:19:38, skipping insertion in model container [2024-04-06 04:19:38,896 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 04:19:37" (2/3) ... [2024-04-06 04:19:38,896 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7653bd7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.04 04:19:38, skipping insertion in model container [2024-04-06 04:19:38,896 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.04 04:19:38" (3/3) ... [2024-04-06 04:19:38,898 INFO L112 eAbstractionObserver]: Analyzing ICFG rfi003_tso.i [2024-04-06 04:19:38,907 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-06 04:19:38,916 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-06 04:19:38,917 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-04-06 04:19:38,917 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-06 04:19:38,969 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-04-06 04:19:39,015 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-06 04:19:39,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-06 04:19:39,016 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 04:19:39,022 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-04-06 04:19:39,040 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-04-06 04:19:39,064 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-06 04:19:39,075 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 04:19:39,077 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-06 04:19:39,085 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;@2c4c424e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=SLEEP_SET, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=10, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123 [2024-04-06 04:19:39,086 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-04-06 04:19:39,144 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P1Err0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-06 04:19:39,147 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 04:19:39,147 INFO L85 PathProgramCache]: Analyzing trace with hash -213477164, now seen corresponding path program 1 times [2024-04-06 04:19:39,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 04:19:39,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339250907] [2024-04-06 04:19:39,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 04:19:39,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 04:19:39,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 04:19:39,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 04:19:39,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 04:19:39,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339250907] [2024-04-06 04:19:39,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [339250907] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-06 04:19:39,744 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-06 04:19:39,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-04-06 04:19:39,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993280499] [2024-04-06 04:19:39,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 04:19:39,752 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-04-06 04:19:39,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 04:19:39,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-04-06 04:19:39,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-04-06 04:19:39,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 04:19:39,786 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 04:19:39,787 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 23.5) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 04:19:39,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 04:19:39,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 04:19:39,887 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-04-06 04:19:39,888 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-06 04:19:39,888 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 04:19:39,888 INFO L85 PathProgramCache]: Analyzing trace with hash 148362271, now seen corresponding path program 1 times [2024-04-06 04:19:39,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 04:19:39,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65218834] [2024-04-06 04:19:39,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 04:19:39,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 04:19:40,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 04:19:41,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 04:19:41,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 04:19:41,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [65218834] [2024-04-06 04:19:41,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [65218834] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-06 04:19:41,525 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-06 04:19:41,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-04-06 04:19:41,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164092482] [2024-04-06 04:19:41,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 04:19:41,528 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-04-06 04:19:41,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 04:19:41,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-04-06 04:19:41,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2024-04-06 04:19:41,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 04:19:41,532 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 04:19:41,532 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.3076923076923075) internal successors, (69), 13 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 04:19:41,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 04:19:41,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 04:19:41,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 04:19:41,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-06 04:19:41,948 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-04-06 04:19:41,948 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-06 04:19:41,949 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 04:19:41,949 INFO L85 PathProgramCache]: Analyzing trace with hash 48965728, now seen corresponding path program 1 times [2024-04-06 04:19:41,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 04:19:41,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535741226] [2024-04-06 04:19:41,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 04:19:41,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 04:19:41,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 04:19:42,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 04:19:42,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 04:19:42,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [535741226] [2024-04-06 04:19:42,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [535741226] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-06 04:19:42,250 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-06 04:19:42,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-06 04:19:42,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56819641] [2024-04-06 04:19:42,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 04:19:42,251 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-06 04:19:42,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 04:19:42,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-06 04:19:42,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-04-06 04:19:42,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 04:19:42,253 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 04:19:42,253 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 7 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 04:19:42,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 04:19:42,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-06 04:19:42,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 04:19:42,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 04:19:42,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-06 04:19:42,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-06 04:19:42,409 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-04-06 04:19:42,410 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-06 04:19:42,411 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 04:19:42,412 INFO L85 PathProgramCache]: Analyzing trace with hash -244766558, now seen corresponding path program 1 times [2024-04-06 04:19:42,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 04:19:42,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676623989] [2024-04-06 04:19:42,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 04:19:42,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 04:19:42,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 04:19:42,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 04:19:42,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 04:19:42,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676623989] [2024-04-06 04:19:42,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1676623989] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-06 04:19:42,795 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-06 04:19:42,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-06 04:19:42,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107788652] [2024-04-06 04:19:42,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 04:19:42,796 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-06 04:19:42,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 04:19:42,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-06 04:19:42,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-04-06 04:19:42,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 04:19:42,797 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 04:19:42,797 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 7 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) [2024-04-06 04:19:42,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 04:19:42,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-06 04:19:42,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-06 04:19:42,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 04:19:43,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 04:19:43,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-06 04:19:43,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-06 04:19:43,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 04:19:43,502 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-04-06 04:19:43,502 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-06 04:19:43,502 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 04:19:43,502 INFO L85 PathProgramCache]: Analyzing trace with hash 1061929314, now seen corresponding path program 2 times [2024-04-06 04:19:43,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 04:19:43,503 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737870539] [2024-04-06 04:19:43,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 04:19:43,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 04:19:43,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 04:19:46,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 04:19:46,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 04:19:46,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737870539] [2024-04-06 04:19:46,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [737870539] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-06 04:19:46,255 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-06 04:19:46,255 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-04-06 04:19:46,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104262447] [2024-04-06 04:19:46,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 04:19:46,256 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-04-06 04:19:46,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 04:19:46,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-04-06 04:19:46,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=248, Unknown=0, NotChecked=0, Total=306 [2024-04-06 04:19:46,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 04:19:46,257 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 04:19:46,257 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 4.166666666666667) internal successors, (75), 18 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) [2024-04-06 04:19:46,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 04:19:46,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-06 04:19:46,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-06 04:19:46,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 04:19:46,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 04:19:47,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 04:19:47,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-06 04:19:47,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-06 04:19:47,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 04:19:47,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-06 04:19:47,322 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2024-04-06 04:19:47,323 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 5 remaining) [2024-04-06 04:19:47,323 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2024-04-06 04:19:47,323 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2024-04-06 04:19:47,323 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 5 remaining) [2024-04-06 04:19:47,323 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-04-06 04:19:47,332 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1] [2024-04-06 04:19:47,336 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-04-06 04:19:47,336 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-04-06 04:19:47,340 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.04 04:19:47 BasicIcfg [2024-04-06 04:19:47,340 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-04-06 04:19:47,343 INFO L158 Benchmark]: Toolchain (without parser) took 9960.55ms. Allocated memory was 323.0MB in the beginning and 550.5MB in the end (delta: 227.5MB). Free memory was 251.3MB in the beginning and 383.8MB in the end (delta: -132.5MB). Peak memory consumption was 96.5MB. Max. memory is 8.0GB. [2024-04-06 04:19:47,343 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 323.0MB. Free memory was 292.0MB in the beginning and 291.9MB in the end (delta: 87.0kB). There was no memory consumed. Max. memory is 8.0GB. [2024-04-06 04:19:47,344 INFO L158 Benchmark]: CACSL2BoogieTranslator took 597.36ms. Allocated memory is still 323.0MB. Free memory was 251.2MB in the beginning and 225.3MB in the end (delta: 25.9MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. [2024-04-06 04:19:47,344 INFO L158 Benchmark]: Boogie Procedure Inliner took 106.43ms. Allocated memory is still 323.0MB. Free memory was 225.3MB in the beginning and 288.2MB in the end (delta: -63.0MB). Peak memory consumption was 7.5MB. Max. memory is 8.0GB. [2024-04-06 04:19:47,344 INFO L158 Benchmark]: Boogie Preprocessor took 63.73ms. Allocated memory is still 323.0MB. Free memory was 288.2MB in the beginning and 286.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-04-06 04:19:47,346 INFO L158 Benchmark]: RCFGBuilder took 736.65ms. Allocated memory is still 323.0MB. Free memory was 286.2MB in the beginning and 235.8MB in the end (delta: 50.3MB). Peak memory consumption was 50.3MB. Max. memory is 8.0GB. [2024-04-06 04:19:47,346 INFO L158 Benchmark]: TraceAbstraction took 8448.82ms. Allocated memory was 323.0MB in the beginning and 550.5MB in the end (delta: 227.5MB). Free memory was 234.8MB in the beginning and 383.8MB in the end (delta: -149.0MB). Peak memory consumption was 78.5MB. Max. memory is 8.0GB. [2024-04-06 04:19:47,348 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 323.0MB. Free memory was 292.0MB in the beginning and 291.9MB in the end (delta: 87.0kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 597.36ms. Allocated memory is still 323.0MB. Free memory was 251.2MB in the beginning and 225.3MB in the end (delta: 25.9MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 106.43ms. Allocated memory is still 323.0MB. Free memory was 225.3MB in the beginning and 288.2MB in the end (delta: -63.0MB). Peak memory consumption was 7.5MB. Max. memory is 8.0GB. * Boogie Preprocessor took 63.73ms. Allocated memory is still 323.0MB. Free memory was 288.2MB in the beginning and 286.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 736.65ms. Allocated memory is still 323.0MB. Free memory was 286.2MB in the beginning and 235.8MB in the end (delta: 50.3MB). Peak memory consumption was 50.3MB. Max. memory is 8.0GB. * TraceAbstraction took 8448.82ms. Allocated memory was 323.0MB in the beginning and 550.5MB in the end (delta: 227.5MB). Free memory was 234.8MB in the beginning and 383.8MB in the end (delta: -149.0MB). Peak memory consumption was 78.5MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 11718, independent: 11061, independent conditional: 10988, independent unconditional: 73, dependent: 657, dependent conditional: 653, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 11596, independent: 11061, independent conditional: 10988, independent unconditional: 73, dependent: 535, dependent conditional: 534, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11596, independent: 11061, independent conditional: 10988, independent unconditional: 73, dependent: 535, dependent conditional: 534, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 11596, independent: 11061, independent conditional: 10988, independent unconditional: 73, dependent: 535, dependent conditional: 534, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 13869, independent: 11061, independent conditional: 1016, independent unconditional: 10045, dependent: 2808, dependent conditional: 1700, dependent unconditional: 1108, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 13869, independent: 11061, independent conditional: 722, independent unconditional: 10339, dependent: 2808, dependent conditional: 456, dependent unconditional: 2352, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 13869, independent: 11061, independent conditional: 722, independent unconditional: 10339, dependent: 2808, dependent conditional: 456, dependent unconditional: 2352, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 510, independent: 461, independent conditional: 24, independent unconditional: 437, dependent: 49, dependent conditional: 23, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 510, independent: 449, independent conditional: 0, independent unconditional: 449, dependent: 61, dependent conditional: 0, dependent unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 61, independent: 12, independent conditional: 11, independent unconditional: 1, dependent: 49, dependent conditional: 23, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 61, independent: 12, independent conditional: 11, independent unconditional: 1, dependent: 49, dependent conditional: 23, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 604, independent: 114, independent conditional: 113, independent unconditional: 1, dependent: 490, dependent conditional: 209, dependent unconditional: 281, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 13869, independent: 10600, independent conditional: 698, independent unconditional: 9902, dependent: 2759, dependent conditional: 433, dependent unconditional: 2326, unknown: 510, unknown conditional: 47, unknown unconditional: 463] , Statistics on independence cache: Total cache size (in pairs): 510, Positive cache size: 461, Positive conditional cache size: 24, Positive unconditional cache size: 437, Negative cache size: 49, Negative conditional cache size: 23, Negative unconditional cache size: 26, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1538, Maximal queried relation: 4, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 13869, independent: 11061, independent conditional: 1016, independent unconditional: 10045, dependent: 2808, dependent conditional: 1700, dependent unconditional: 1108, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 13869, independent: 11061, independent conditional: 722, independent unconditional: 10339, dependent: 2808, dependent conditional: 456, dependent unconditional: 2352, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 13869, independent: 11061, independent conditional: 722, independent unconditional: 10339, dependent: 2808, dependent conditional: 456, dependent unconditional: 2352, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 510, independent: 461, independent conditional: 24, independent unconditional: 437, dependent: 49, dependent conditional: 23, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 510, independent: 449, independent conditional: 0, independent unconditional: 449, dependent: 61, dependent conditional: 0, dependent unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 61, independent: 12, independent conditional: 11, independent unconditional: 1, dependent: 49, dependent conditional: 23, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 61, independent: 12, independent conditional: 11, independent unconditional: 1, dependent: 49, dependent conditional: 23, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 604, independent: 114, independent conditional: 113, independent unconditional: 1, dependent: 490, dependent conditional: 209, dependent unconditional: 281, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 13869, independent: 10600, independent conditional: 698, independent unconditional: 9902, dependent: 2759, dependent conditional: 433, dependent unconditional: 2326, unknown: 510, unknown conditional: 47, unknown unconditional: 463] , Statistics on independence cache: Total cache size (in pairs): 510, Positive cache size: 461, Positive conditional cache size: 24, Positive unconditional cache size: 437, Negative cache size: 49, Negative conditional cache size: 23, Negative unconditional cache size: 26, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1538 ], Independence queries for same thread: 122 - PositiveResult [Line: 18]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 18]: 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, 116 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 8.3s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 2.5s, 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: 55, 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, 0.4s SatisfiabilityAnalysisTime, 5.1s InterpolantComputationTime, 337 NumberOfCodeBlocks, 337 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 332 ConstructedInterpolants, 0 QuantifiedInterpolants, 2312 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-04-06 04:19:47,366 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-04-06 04:19:47,569 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...