/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking DFS --traceabstraction.criterion.for.conditional.commutativity.checking LOOP --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 10 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe015_pso.oepc_pso.opt_tso.oepc_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-17da818-m [2024-05-07 04:23:52,584 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-07 04:23:52,667 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-05-07 04:23:52,673 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-07 04:23:52,673 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-07 04:23:52,704 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-07 04:23:52,705 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-07 04:23:52,705 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-07 04:23:52,706 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-07 04:23:52,710 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-07 04:23:52,710 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-07 04:23:52,710 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-07 04:23:52,711 INFO L153 SettingsManager]: * Use SBE=true [2024-05-07 04:23:52,712 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-07 04:23:52,713 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-07 04:23:52,713 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-07 04:23:52,713 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-07 04:23:52,713 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-07 04:23:52,713 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-07 04:23:52,714 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-07 04:23:52,714 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-07 04:23:52,714 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-07 04:23:52,714 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-07 04:23:52,715 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-07 04:23:52,715 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-07 04:23:52,715 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-07 04:23:52,715 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-07 04:23:52,715 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-07 04:23:52,716 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-07 04:23:52,716 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-07 04:23:52,717 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-07 04:23:52,717 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-07 04:23:52,717 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-07 04:23:52,718 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-07 04:23:52,718 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-05-07 04:23:52,718 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-05-07 04:23:52,718 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-07 04:23:52,718 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-07 04:23:52,718 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-07 04:23:52,741 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> LOOP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 10 [2024-05-07 04:23:53,016 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-07 04:23:53,041 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-07 04:23:53,044 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-07 04:23:53,046 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-07 04:23:53,046 INFO L274 PluginConnector]: CDTParser initialized [2024-05-07 04:23:53,047 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-wmm/safe015_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2024-05-07 04:23:54,241 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-07 04:23:54,513 INFO L384 CDTParser]: Found 1 translation units. [2024-05-07 04:23:54,514 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe015_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2024-05-07 04:23:54,543 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/20f478816/43ebfd2b49e24c1a9897096d293d4922/FLAGb8484526c [2024-05-07 04:23:54,558 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/20f478816/43ebfd2b49e24c1a9897096d293d4922 [2024-05-07 04:23:54,560 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-07 04:23:54,561 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-07 04:23:54,563 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-07 04:23:54,563 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-07 04:23:54,567 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-07 04:23:54,568 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.05 04:23:54" (1/1) ... [2024-05-07 04:23:54,568 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@413bfeec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 04:23:54, skipping insertion in model container [2024-05-07 04:23:54,569 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.05 04:23:54" (1/1) ... [2024-05-07 04:23:54,615 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-07 04:23:54,760 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/safe015_pso.oepc_pso.opt_tso.oepc_tso.opt.i[975,988] [2024-05-07 04:23:54,922 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-07 04:23:54,934 INFO L202 MainTranslator]: Completed pre-run [2024-05-07 04:23:54,955 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/safe015_pso.oepc_pso.opt_tso.oepc_tso.opt.i[975,988] [2024-05-07 04:23:55,002 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-07 04:23:55,039 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-05-07 04:23:55,039 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-05-07 04:23:55,045 INFO L206 MainTranslator]: Completed translation [2024-05-07 04:23:55,045 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 04:23:55 WrapperNode [2024-05-07 04:23:55,045 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-07 04:23:55,046 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-07 04:23:55,046 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-07 04:23:55,046 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-07 04:23:55,051 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 04:23:55" (1/1) ... [2024-05-07 04:23:55,076 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 04:23:55" (1/1) ... [2024-05-07 04:23:55,108 INFO L138 Inliner]: procedures = 176, calls = 55, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 69 [2024-05-07 04:23:55,108 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-07 04:23:55,109 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-07 04:23:55,109 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-07 04:23:55,109 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-07 04:23:55,117 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 04:23:55" (1/1) ... [2024-05-07 04:23:55,118 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 04:23:55" (1/1) ... [2024-05-07 04:23:55,120 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 04:23:55" (1/1) ... [2024-05-07 04:23:55,120 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 04:23:55" (1/1) ... [2024-05-07 04:23:55,125 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 04:23:55" (1/1) ... [2024-05-07 04:23:55,127 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 04:23:55" (1/1) ... [2024-05-07 04:23:55,132 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 04:23:55" (1/1) ... [2024-05-07 04:23:55,133 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 04:23:55" (1/1) ... [2024-05-07 04:23:55,135 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-07 04:23:55,136 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-07 04:23:55,136 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-07 04:23:55,136 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-07 04:23:55,137 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 04:23:55" (1/1) ... [2024-05-07 04:23:55,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-07 04:23:55,164 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 04:23:55,189 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 04:23:55,198 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 04:23:55,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-07 04:23:55,232 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-05-07 04:23:55,232 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-07 04:23:55,232 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-07 04:23:55,232 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-07 04:23:55,232 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-05-07 04:23:55,232 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-05-07 04:23:55,232 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-05-07 04:23:55,232 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-05-07 04:23:55,233 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-05-07 04:23:55,233 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-05-07 04:23:55,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-07 04:23:55,233 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-05-07 04:23:55,233 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-07 04:23:55,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-07 04:23:55,234 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 04:23:55,340 INFO L241 CfgBuilder]: Building ICFG [2024-05-07 04:23:55,342 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-07 04:23:55,478 INFO L282 CfgBuilder]: Performing block encoding [2024-05-07 04:23:55,488 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-07 04:23:55,488 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2024-05-07 04:23:55,489 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 04:23:55 BoogieIcfgContainer [2024-05-07 04:23:55,489 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-07 04:23:55,492 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-07 04:23:55,492 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-07 04:23:55,495 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-07 04:23:55,495 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.05 04:23:54" (1/3) ... [2024-05-07 04:23:55,495 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@abdeb5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.05 04:23:55, skipping insertion in model container [2024-05-07 04:23:55,496 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 04:23:55" (2/3) ... [2024-05-07 04:23:55,496 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@abdeb5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.05 04:23:55, skipping insertion in model container [2024-05-07 04:23:55,496 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 04:23:55" (3/3) ... [2024-05-07 04:23:55,497 INFO L112 eAbstractionObserver]: Analyzing ICFG safe015_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2024-05-07 04:23:55,504 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-07 04:23:55,512 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-07 04:23:55,512 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-07 04:23:55,512 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-07 04:23:55,565 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-05-07 04:23:55,605 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-07 04:23:55,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-07 04:23:55,606 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 04:23:55,609 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 04:23:55,621 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 04:23:55,649 INFO L188 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-07 04:23:55,661 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 04:23:55,663 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-05-07 04:23:55,669 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;@6d8f619f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=LOOP, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=10, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-05-07 04:23:55,670 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-05-07 04:23:55,728 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-07 04:23:55,732 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 04:23:55,733 INFO L85 PathProgramCache]: Analyzing trace with hash 501848367, now seen corresponding path program 1 times [2024-05-07 04:23:55,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 04:23:55,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047528012] [2024-05-07 04:23:55,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 04:23:55,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 04:23:55,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 04:23:56,074 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 04:23:56,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 04:23:56,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047528012] [2024-05-07 04:23:56,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1047528012] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-07 04:23:56,076 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-07 04:23:56,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-07 04:23:56,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866040748] [2024-05-07 04:23:56,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-07 04:23:56,084 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-05-07 04:23:56,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 04:23:56,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-07 04:23:56,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-05-07 04:23:56,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 04:23:56,151 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 04:23:56,152 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 32.5) internal successors, (65), 2 states have internal predecessors, (65), 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 04:23:56,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 04:23:56,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 04:23:56,243 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-07 04:23:56,243 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-07 04:23:56,244 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 04:23:56,244 INFO L85 PathProgramCache]: Analyzing trace with hash -836653201, now seen corresponding path program 1 times [2024-05-07 04:23:56,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 04:23:56,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021211017] [2024-05-07 04:23:56,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 04:23:56,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 04:23:56,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 04:23:56,767 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 04:23:56,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 04:23:56,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1021211017] [2024-05-07 04:23:56,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1021211017] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-07 04:23:56,768 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-07 04:23:56,768 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-07 04:23:56,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535228859] [2024-05-07 04:23:56,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-07 04:23:56,770 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-07 04:23:56,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 04:23:56,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-07 04:23:56,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-07 04:23:56,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 04:23:56,775 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 04:23:56,775 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 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 04:23:56,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 04:23:56,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 04:23:57,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 04:23:57,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-07 04:23:57,074 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-05-07 04:23:57,074 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-07 04:23:57,075 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 04:23:57,075 INFO L85 PathProgramCache]: Analyzing trace with hash -935207824, now seen corresponding path program 1 times [2024-05-07 04:23:57,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 04:23:57,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150513696] [2024-05-07 04:23:57,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 04:23:57,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 04:23:57,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 04:23:57,360 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 04:23:57,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 04:23:57,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150513696] [2024-05-07 04:23:57,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1150513696] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-07 04:23:57,361 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-07 04:23:57,361 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-05-07 04:23:57,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197125560] [2024-05-07 04:23:57,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-07 04:23:57,361 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-05-07 04:23:57,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 04:23:57,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-05-07 04:23:57,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-05-07 04:23:57,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 04:23:57,363 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 04:23:57,363 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.25) internal successors, (66), 8 states have internal predecessors, (66), 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 04:23:57,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 04:23:57,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-07 04:23:57,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 04:23:58,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 04:23:58,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-07 04:23:58,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-05-07 04:23:58,360 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-05-07 04:23:58,361 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-07 04:23:58,363 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 04:23:58,363 INFO L85 PathProgramCache]: Analyzing trace with hash 492900528, now seen corresponding path program 1 times [2024-05-07 04:23:58,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 04:23:58,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664880131] [2024-05-07 04:23:58,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 04:23:58,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 04:23:58,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 04:23:58,632 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 04:23:58,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 04:23:58,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664880131] [2024-05-07 04:23:58,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [664880131] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-07 04:23:58,633 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-07 04:23:58,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-05-07 04:23:58,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698257393] [2024-05-07 04:23:58,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-07 04:23:58,635 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-05-07 04:23:58,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 04:23:58,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-05-07 04:23:58,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-05-07 04:23:58,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 04:23:58,637 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 04:23:58,637 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.75) internal successors, (70), 8 states have internal predecessors, (70), 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 04:23:58,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 04:23:58,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-07 04:23:58,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-05-07 04:23:58,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 04:23:59,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 04:23:59,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-07 04:23:59,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-05-07 04:23:59,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-07 04:23:59,683 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-05-07 04:23:59,683 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-07 04:23:59,684 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 04:23:59,684 INFO L85 PathProgramCache]: Analyzing trace with hash -478739654, now seen corresponding path program 2 times [2024-05-07 04:23:59,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 04:23:59,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687896885] [2024-05-07 04:23:59,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 04:23:59,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 04:23:59,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 04:23:59,888 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 04:23:59,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 04:23:59,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687896885] [2024-05-07 04:23:59,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1687896885] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-07 04:23:59,889 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-07 04:23:59,889 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-05-07 04:23:59,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783389104] [2024-05-07 04:23:59,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-07 04:23:59,890 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-05-07 04:23:59,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 04:23:59,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-05-07 04:23:59,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-05-07 04:23:59,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 04:23:59,891 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 04:23:59,891 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.75) internal successors, (70), 8 states have internal predecessors, (70), 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 04:23:59,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 04:23:59,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-07 04:23:59,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-05-07 04:23:59,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-07 04:23:59,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 04:24:01,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 04:24:01,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-07 04:24:01,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-05-07 04:24:01,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-07 04:24:01,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-07 04:24:01,370 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2024-05-07 04:24:01,371 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-05-07 04:24:01,371 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-05-07 04:24:01,371 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-05-07 04:24:01,371 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-05-07 04:24:01,380 INFO L448 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1] [2024-05-07 04:24:01,383 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-05-07 04:24:01,383 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-05-07 04:24:01,387 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.05 04:24:01 BasicIcfg [2024-05-07 04:24:01,387 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-05-07 04:24:01,390 INFO L158 Benchmark]: Toolchain (without parser) took 6826.50ms. Allocated memory was 266.3MB in the beginning and 446.7MB in the end (delta: 180.4MB). Free memory was 197.0MB in the beginning and 267.4MB in the end (delta: -70.3MB). Peak memory consumption was 110.2MB. Max. memory is 8.0GB. [2024-05-07 04:24:01,391 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 266.3MB. Free memory is still 234.9MB. There was no memory consumed. Max. memory is 8.0GB. [2024-05-07 04:24:01,391 INFO L158 Benchmark]: CACSL2BoogieTranslator took 482.04ms. Allocated memory is still 266.3MB. Free memory was 196.8MB in the beginning and 176.3MB in the end (delta: 20.5MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. [2024-05-07 04:24:01,393 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.42ms. Allocated memory is still 266.3MB. Free memory was 176.3MB in the beginning and 235.9MB in the end (delta: -59.6MB). Peak memory consumption was 8.1MB. Max. memory is 8.0GB. [2024-05-07 04:24:01,393 INFO L158 Benchmark]: Boogie Preprocessor took 26.67ms. Allocated memory is still 266.3MB. Free memory was 235.9MB in the beginning and 234.3MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-05-07 04:24:01,393 INFO L158 Benchmark]: RCFGBuilder took 353.46ms. Allocated memory is still 266.3MB. Free memory was 234.3MB in the beginning and 220.1MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2024-05-07 04:24:01,393 INFO L158 Benchmark]: TraceAbstraction took 5895.57ms. Allocated memory was 266.3MB in the beginning and 446.7MB in the end (delta: 180.4MB). Free memory was 219.1MB in the beginning and 267.4MB in the end (delta: -48.3MB). Peak memory consumption was 131.5MB. Max. memory is 8.0GB. [2024-05-07 04:24:01,395 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 266.3MB. Free memory is still 234.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 482.04ms. Allocated memory is still 266.3MB. Free memory was 196.8MB in the beginning and 176.3MB in the end (delta: 20.5MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 62.42ms. Allocated memory is still 266.3MB. Free memory was 176.3MB in the beginning and 235.9MB in the end (delta: -59.6MB). Peak memory consumption was 8.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 26.67ms. Allocated memory is still 266.3MB. Free memory was 235.9MB in the beginning and 234.3MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 353.46ms. Allocated memory is still 266.3MB. Free memory was 234.3MB in the beginning and 220.1MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * TraceAbstraction took 5895.57ms. Allocated memory was 266.3MB in the beginning and 446.7MB in the end (delta: 180.4MB). Free memory was 219.1MB in the beginning and 267.4MB in the end (delta: -48.3MB). Peak memory consumption was 131.5MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 161894, independent: 159699, independent conditional: 159490, independent unconditional: 209, dependent: 2195, dependent conditional: 2195, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 161808, independent: 159699, independent conditional: 159490, independent unconditional: 209, dependent: 2109, dependent conditional: 2109, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 161808, independent: 159699, independent conditional: 159490, independent unconditional: 209, dependent: 2109, dependent conditional: 2109, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 161808, independent: 159699, independent conditional: 159490, independent unconditional: 209, dependent: 2109, dependent conditional: 2109, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 166929, independent: 159699, independent conditional: 76340, independent unconditional: 83359, dependent: 7230, dependent conditional: 5121, dependent unconditional: 2109, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 166929, independent: 159699, independent conditional: 33467, independent unconditional: 126232, dependent: 7230, dependent conditional: 2811, dependent unconditional: 4419, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 166929, independent: 159699, independent conditional: 33467, independent unconditional: 126232, dependent: 7230, dependent conditional: 2811, dependent unconditional: 4419, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1110, independent: 1069, independent conditional: 197, independent unconditional: 872, dependent: 41, dependent conditional: 27, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1110, independent: 1052, independent conditional: 0, independent unconditional: 1052, dependent: 58, dependent conditional: 0, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 58, independent: 17, independent conditional: 13, independent unconditional: 4, dependent: 41, dependent conditional: 27, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 58, independent: 17, independent conditional: 13, independent unconditional: 4, dependent: 41, dependent conditional: 27, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 147, independent: 37, independent conditional: 33, independent unconditional: 4, dependent: 110, dependent conditional: 87, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 166929, independent: 158630, independent conditional: 33270, independent unconditional: 125360, dependent: 7189, dependent conditional: 2784, dependent unconditional: 4405, unknown: 1110, unknown conditional: 224, unknown unconditional: 886] , Statistics on independence cache: Total cache size (in pairs): 1110, Positive cache size: 1069, Positive conditional cache size: 197, Positive unconditional cache size: 872, Negative cache size: 41, Negative conditional cache size: 27, Negative unconditional cache size: 14, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 45183, Maximal queried relation: 4, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 166929, independent: 159699, independent conditional: 76340, independent unconditional: 83359, dependent: 7230, dependent conditional: 5121, dependent unconditional: 2109, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 166929, independent: 159699, independent conditional: 33467, independent unconditional: 126232, dependent: 7230, dependent conditional: 2811, dependent unconditional: 4419, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 166929, independent: 159699, independent conditional: 33467, independent unconditional: 126232, dependent: 7230, dependent conditional: 2811, dependent unconditional: 4419, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1110, independent: 1069, independent conditional: 197, independent unconditional: 872, dependent: 41, dependent conditional: 27, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1110, independent: 1052, independent conditional: 0, independent unconditional: 1052, dependent: 58, dependent conditional: 0, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 58, independent: 17, independent conditional: 13, independent unconditional: 4, dependent: 41, dependent conditional: 27, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 58, independent: 17, independent conditional: 13, independent unconditional: 4, dependent: 41, dependent conditional: 27, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 147, independent: 37, independent conditional: 33, independent unconditional: 4, dependent: 110, dependent conditional: 87, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 166929, independent: 158630, independent conditional: 33270, independent unconditional: 125360, dependent: 7189, dependent conditional: 2784, dependent unconditional: 4405, unknown: 1110, unknown conditional: 224, unknown unconditional: 886] , Statistics on independence cache: Total cache size (in pairs): 1110, Positive cache size: 1069, Positive conditional cache size: 197, Positive unconditional cache size: 872, Negative cache size: 41, Negative conditional cache size: 27, Negative unconditional cache size: 14, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 45183 ], Independence queries for same thread: 86 - 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 7 procedures, 119 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 5.7s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 4.0s, 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: 50, 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, 0.2s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 335 NumberOfCodeBlocks, 335 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 330 ConstructedInterpolants, 0 QuantifiedInterpolants, 1360 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, ConditionalCommutativityCheckTime: 0.4s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 0, ConditionalCommutativityConditionCalculations: 0, 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 04:24:01,416 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 04:24:01,622 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...