/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 RANDOM --traceabstraction.probability.for.random.criterion 20 --traceabstraction.seed.for.random.criterion 546 --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/safe000_pso.oepc_pso.opt_tso.oepc_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-3774817-m [2024-04-06 01:20:48,402 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-06 01:20:48,437 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-06 01:20:48,440 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-06 01:20:48,440 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-06 01:20:48,453 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-06 01:20:48,453 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-06 01:20:48,454 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-06 01:20:48,454 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-06 01:20:48,454 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-06 01:20:48,455 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-06 01:20:48,455 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-06 01:20:48,455 INFO L153 SettingsManager]: * Use SBE=true [2024-04-06 01:20:48,455 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-06 01:20:48,456 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-06 01:20:48,456 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-06 01:20:48,456 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-06 01:20:48,456 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-06 01:20:48,457 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-06 01:20:48,457 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-06 01:20:48,457 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-06 01:20:48,457 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-06 01:20:48,458 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-06 01:20:48,458 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-06 01:20:48,458 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-06 01:20:48,458 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-06 01:20:48,458 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-06 01:20:48,459 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-06 01:20:48,459 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-06 01:20:48,459 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-06 01:20:48,459 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-06 01:20:48,459 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-06 01:20:48,460 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-06 01:20:48,460 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-06 01:20:48,460 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-06 01:20:48,460 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-06 01:20:48,460 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-06 01:20:48,460 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-06 01:20:48,461 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-06 01:20:48,461 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> RANDOM Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: probability for random criterion as percentage -> 20 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: seed for random criterion -> 546 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 10 [2024-04-06 01:20:48,646 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-06 01:20:48,700 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-06 01:20:48,702 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-06 01:20:48,703 INFO L270 PluginConnector]: Initializing CDTParser... [2024-04-06 01:20:48,703 INFO L274 PluginConnector]: CDTParser initialized [2024-04-06 01:20:48,704 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-wmm/safe000_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2024-04-06 01:20:49,889 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-04-06 01:20:50,136 INFO L384 CDTParser]: Found 1 translation units. [2024-04-06 01:20:50,137 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe000_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2024-04-06 01:20:50,147 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/d11023553/d4f11fefa08a43879f3b3660634b1fb5/FLAG857a08054 [2024-04-06 01:20:50,157 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/d11023553/d4f11fefa08a43879f3b3660634b1fb5 [2024-04-06 01:20:50,159 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-06 01:20:50,160 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-04-06 01:20:50,161 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-04-06 01:20:50,161 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-04-06 01:20:50,164 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-04-06 01:20:50,165 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.04 01:20:50" (1/1) ... [2024-04-06 01:20:50,166 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37bed32e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 01:20:50, skipping insertion in model container [2024-04-06 01:20:50,166 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.04 01:20:50" (1/1) ... [2024-04-06 01:20:50,205 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-04-06 01:20:50,327 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/safe000_pso.oepc_pso.opt_tso.oepc_tso.opt.i[975,988] [2024-04-06 01:20:50,458 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-06 01:20:50,468 INFO L202 MainTranslator]: Completed pre-run [2024-04-06 01:20:50,483 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/safe000_pso.oepc_pso.opt_tso.oepc_tso.opt.i[975,988] [2024-04-06 01:20:50,517 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-06 01:20:50,549 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-04-06 01:20:50,549 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-04-06 01:20:50,555 INFO L206 MainTranslator]: Completed translation [2024-04-06 01:20:50,555 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 01:20:50 WrapperNode [2024-04-06 01:20:50,555 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-04-06 01:20:50,556 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-06 01:20:50,556 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-06 01:20:50,556 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-06 01:20:50,562 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 01:20:50" (1/1) ... [2024-04-06 01:20:50,576 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 01:20:50" (1/1) ... [2024-04-06 01:20:50,590 INFO L138 Inliner]: procedures = 176, calls = 53, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 70 [2024-04-06 01:20:50,590 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-06 01:20:50,591 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-06 01:20:50,591 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-06 01:20:50,591 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-06 01:20:50,601 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 01:20:50" (1/1) ... [2024-04-06 01:20:50,604 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 01:20:50" (1/1) ... [2024-04-06 01:20:50,607 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 01:20:50" (1/1) ... [2024-04-06 01:20:50,608 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 01:20:50" (1/1) ... [2024-04-06 01:20:50,611 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 01:20:50" (1/1) ... [2024-04-06 01:20:50,613 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 01:20:50" (1/1) ... [2024-04-06 01:20:50,614 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 01:20:50" (1/1) ... [2024-04-06 01:20:50,614 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 01:20:50" (1/1) ... [2024-04-06 01:20:50,616 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-06 01:20:50,617 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-06 01:20:50,617 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-06 01:20:50,617 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-06 01:20:50,617 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 01:20:50" (1/1) ... [2024-04-06 01:20:50,621 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-06 01:20:50,630 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 01:20:50,642 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 01:20:50,650 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 01:20:50,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-04-06 01:20:50,708 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-04-06 01:20:50,708 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-04-06 01:20:50,708 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-04-06 01:20:50,708 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-04-06 01:20:50,708 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-04-06 01:20:50,709 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-04-06 01:20:50,709 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-04-06 01:20:50,709 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-04-06 01:20:50,709 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-04-06 01:20:50,709 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-04-06 01:20:50,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-04-06 01:20:50,709 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-04-06 01:20:50,709 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-06 01:20:50,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-06 01:20:50,710 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 01:20:50,840 INFO L241 CfgBuilder]: Building ICFG [2024-04-06 01:20:50,842 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-06 01:20:50,950 INFO L282 CfgBuilder]: Performing block encoding [2024-04-06 01:20:50,969 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-06 01:20:50,971 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2024-04-06 01:20:50,973 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.04 01:20:50 BoogieIcfgContainer [2024-04-06 01:20:50,973 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-06 01:20:50,975 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-06 01:20:50,975 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-06 01:20:50,977 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-06 01:20:50,977 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.04 01:20:50" (1/3) ... [2024-04-06 01:20:50,978 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b1b2e47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.04 01:20:50, skipping insertion in model container [2024-04-06 01:20:50,978 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 01:20:50" (2/3) ... [2024-04-06 01:20:50,978 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b1b2e47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.04 01:20:50, skipping insertion in model container [2024-04-06 01:20:50,978 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.04 01:20:50" (3/3) ... [2024-04-06 01:20:50,979 INFO L112 eAbstractionObserver]: Analyzing ICFG safe000_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2024-04-06 01:20:50,985 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-06 01:20:50,993 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-06 01:20:50,993 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-04-06 01:20:50,993 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-06 01:20:51,033 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-04-06 01:20:51,074 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-06 01:20:51,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-06 01:20:51,074 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 01:20:51,077 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 01:20:51,078 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 01:20:51,112 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-06 01:20:51,146 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 01:20:51,147 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-06 01:20:51,153 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;@42298f8b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=RANDOM, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=10, mConComCheckerRandomProb=20, mConComCheckerRandomSeed=546 [2024-04-06 01:20:51,153 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-04-06 01:20:51,209 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)] === [2024-04-06 01:20:51,211 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 01:20:51,211 INFO L85 PathProgramCache]: Analyzing trace with hash 1765759485, now seen corresponding path program 1 times [2024-04-06 01:20:51,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 01:20:51,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164100641] [2024-04-06 01:20:51,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 01:20:51,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 01:20:51,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 01:20:51,493 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 01:20:51,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 01:20:51,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [164100641] [2024-04-06 01:20:51,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [164100641] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-06 01:20:51,509 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-06 01:20:51,509 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-04-06 01:20:51,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902156446] [2024-04-06 01:20:51,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 01:20:51,513 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-04-06 01:20:51,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 01:20:51,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-04-06 01:20:51,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-04-06 01:20:51,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 01:20:51,539 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 01:20:51,541 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 33.0) internal successors, (66), 2 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) [2024-04-06 01:20:51,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 01:20:51,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 01:20:51,587 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-04-06 01:20:51,588 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)] === [2024-04-06 01:20:51,588 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 01:20:51,588 INFO L85 PathProgramCache]: Analyzing trace with hash 1974142207, now seen corresponding path program 1 times [2024-04-06 01:20:51,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 01:20:51,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821519103] [2024-04-06 01:20:51,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 01:20:51,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 01:20:51,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 01:20:51,955 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 01:20:51,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 01:20:51,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821519103] [2024-04-06 01:20:51,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [821519103] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-06 01:20:51,956 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-06 01:20:51,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-06 01:20:51,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443836312] [2024-04-06 01:20:51,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 01:20:51,957 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-06 01:20:51,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 01:20:51,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-06 01:20:51,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-04-06 01:20:51,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 01:20:51,958 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 01:20:51,958 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 7 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) [2024-04-06 01:20:51,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 01:20:51,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 01:20:52,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 01:20:52,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-06 01:20:52,139 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-04-06 01:20:52,139 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)] === [2024-04-06 01:20:52,141 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 01:20:52,141 INFO L85 PathProgramCache]: Analyzing trace with hash -380069440, now seen corresponding path program 1 times [2024-04-06 01:20:52,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 01:20:52,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519984736] [2024-04-06 01:20:52,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 01:20:52,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 01:20:52,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 01:20:52,431 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 01:20:52,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 01:20:52,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1519984736] [2024-04-06 01:20:52,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1519984736] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-06 01:20:52,432 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-06 01:20:52,432 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-06 01:20:52,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543779877] [2024-04-06 01:20:52,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 01:20:52,434 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-06 01:20:52,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 01:20:52,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-06 01:20:52,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-04-06 01:20:52,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 01:20:52,437 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 01:20:52,437 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 7 states have internal predecessors, (67), 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 01:20:52,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 01:20:52,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-06 01:20:52,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 01:20:53,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 01:20:53,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-06 01:20:53,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-06 01:20:53,934 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-04-06 01:20:53,934 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)] === [2024-04-06 01:20:53,936 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 01:20:53,937 INFO L85 PathProgramCache]: Analyzing trace with hash 1252099918, now seen corresponding path program 1 times [2024-04-06 01:20:53,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 01:20:53,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667312125] [2024-04-06 01:20:53,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 01:20:53,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 01:20:53,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 01:20:54,133 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 01:20:54,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 01:20:54,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667312125] [2024-04-06 01:20:54,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1667312125] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-06 01:20:54,134 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-06 01:20:54,134 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-04-06 01:20:54,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502488129] [2024-04-06 01:20:54,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 01:20:54,136 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-04-06 01:20:54,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 01:20:54,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-04-06 01:20:54,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-04-06 01:20:54,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 01:20:54,141 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 01:20:54,141 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 8 states have internal predecessors, (68), 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 01:20:54,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 01:20:54,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-06 01:20:54,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-06 01:20:54,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 01:20:55,392 INFO L85 PathProgramCache]: Analyzing trace with hash -301469204, now seen corresponding path program 1 times [2024-04-06 01:20:55,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 01:20:55,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 01:20:55,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 01:20:55,456 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 01:20:55,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 01:20:55,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 01:20:55,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 01:20:55,514 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 01:20:55,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-04-06 01:20:55,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-04-06 01:20:56,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 01:20:56,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-06 01:20:56,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-06 01:20:56,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-06 01:20:56,729 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable3,SelfDestructingSolverStorable5 [2024-04-06 01:20:56,729 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)] === [2024-04-06 01:20:56,729 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 01:20:56,729 INFO L85 PathProgramCache]: Analyzing trace with hash -1404505288, now seen corresponding path program 2 times [2024-04-06 01:20:56,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 01:20:56,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410107054] [2024-04-06 01:20:56,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 01:20:56,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 01:20:56,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 01:20:56,892 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 01:20:56,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 01:20:56,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1410107054] [2024-04-06 01:20:56,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1410107054] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-06 01:20:56,893 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-06 01:20:56,893 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-04-06 01:20:56,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979940818] [2024-04-06 01:20:56,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 01:20:56,894 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-04-06 01:20:56,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 01:20:56,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-04-06 01:20:56,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-04-06 01:20:56,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 01:20:56,895 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 01:20:56,895 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 8 states have internal predecessors, (68), 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 01:20:56,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 01:20:56,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-06 01:20:56,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-06 01:20:56,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-06 01:20:56,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 01:20:58,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 01:20:58,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-06 01:20:58,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-06 01:20:58,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-06 01:20:58,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-06 01:20:58,639 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2024-04-06 01:20:58,639 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-04-06 01:20:58,640 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-04-06 01:20:58,640 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-04-06 01:20:58,640 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-04-06 01:20:58,648 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1] [2024-04-06 01:20:58,650 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-04-06 01:20:58,650 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-04-06 01:20:58,653 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.04 01:20:58 BasicIcfg [2024-04-06 01:20:58,653 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-04-06 01:20:58,655 INFO L158 Benchmark]: Toolchain (without parser) took 8493.25ms. Allocated memory was 240.1MB in the beginning and 628.1MB in the end (delta: 388.0MB). Free memory was 168.2MB in the beginning and 352.9MB in the end (delta: -184.8MB). Peak memory consumption was 352.1MB. Max. memory is 8.0GB. [2024-04-06 01:20:58,656 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 240.1MB. Free memory is still 213.0MB. There was no memory consumed. Max. memory is 8.0GB. [2024-04-06 01:20:58,656 INFO L158 Benchmark]: CACSL2BoogieTranslator took 394.81ms. Allocated memory is still 240.1MB. Free memory was 167.6MB in the beginning and 147.2MB in the end (delta: 20.4MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. [2024-04-06 01:20:58,658 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.20ms. Allocated memory is still 240.1MB. Free memory was 147.2MB in the beginning and 145.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-04-06 01:20:58,658 INFO L158 Benchmark]: Boogie Preprocessor took 25.32ms. Allocated memory is still 240.1MB. Free memory was 145.1MB in the beginning and 143.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-04-06 01:20:58,658 INFO L158 Benchmark]: RCFGBuilder took 356.18ms. Allocated memory is still 240.1MB. Free memory was 143.5MB in the beginning and 201.0MB in the end (delta: -57.4MB). Peak memory consumption was 14.4MB. Max. memory is 8.0GB. [2024-04-06 01:20:58,658 INFO L158 Benchmark]: TraceAbstraction took 7678.38ms. Allocated memory was 240.1MB in the beginning and 628.1MB in the end (delta: 388.0MB). Free memory was 199.9MB in the beginning and 352.9MB in the end (delta: -153.0MB). Peak memory consumption was 382.8MB. Max. memory is 8.0GB. [2024-04-06 01:20:58,659 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 240.1MB. Free memory is still 213.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 394.81ms. Allocated memory is still 240.1MB. Free memory was 167.6MB in the beginning and 147.2MB in the end (delta: 20.4MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 34.20ms. Allocated memory is still 240.1MB. Free memory was 147.2MB in the beginning and 145.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 25.32ms. Allocated memory is still 240.1MB. Free memory was 145.1MB in the beginning and 143.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 356.18ms. Allocated memory is still 240.1MB. Free memory was 143.5MB in the beginning and 201.0MB in the end (delta: -57.4MB). Peak memory consumption was 14.4MB. Max. memory is 8.0GB. * TraceAbstraction took 7678.38ms. Allocated memory was 240.1MB in the beginning and 628.1MB in the end (delta: 388.0MB). Free memory was 199.9MB in the beginning and 352.9MB in the end (delta: -153.0MB). Peak memory consumption was 382.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 561419, independent: 554697, independent conditional: 554520, independent unconditional: 177, dependent: 6722, dependent conditional: 6719, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 559208, independent: 554697, independent conditional: 554520, independent unconditional: 177, dependent: 4511, dependent conditional: 4510, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 559208, independent: 554697, independent conditional: 554520, independent unconditional: 177, dependent: 4511, dependent conditional: 4510, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 559208, independent: 554697, independent conditional: 554520, independent unconditional: 177, dependent: 4511, dependent conditional: 4510, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 581797, independent: 554697, independent conditional: 28042, independent unconditional: 526655, dependent: 27100, dependent conditional: 15752, dependent unconditional: 11348, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 581797, independent: 554697, independent conditional: 7264, independent unconditional: 547433, dependent: 27100, dependent conditional: 2314, dependent unconditional: 24786, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 581797, independent: 554697, independent conditional: 7264, independent unconditional: 547433, dependent: 27100, dependent conditional: 2314, dependent unconditional: 24786, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1082, independent: 1020, independent conditional: 56, independent unconditional: 964, dependent: 62, dependent conditional: 41, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1082, independent: 962, independent conditional: 0, independent unconditional: 962, dependent: 120, dependent conditional: 0, dependent unconditional: 120, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 120, independent: 58, independent conditional: 54, independent unconditional: 4, dependent: 62, dependent conditional: 41, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 120, independent: 58, independent conditional: 54, independent unconditional: 4, dependent: 62, dependent conditional: 41, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 222, independent: 91, independent conditional: 84, independent unconditional: 7, dependent: 131, dependent conditional: 74, dependent unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 581797, independent: 553677, independent conditional: 7208, independent unconditional: 546469, dependent: 27038, dependent conditional: 2273, dependent unconditional: 24765, unknown: 1082, unknown conditional: 97, unknown unconditional: 985] , Statistics on independence cache: Total cache size (in pairs): 1082, Positive cache size: 1020, Positive conditional cache size: 56, Positive unconditional cache size: 964, Negative cache size: 62, Negative conditional cache size: 41, Negative unconditional cache size: 21, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 34216, Maximal queried relation: 5, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 581797, independent: 554697, independent conditional: 28042, independent unconditional: 526655, dependent: 27100, dependent conditional: 15752, dependent unconditional: 11348, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 581797, independent: 554697, independent conditional: 7264, independent unconditional: 547433, dependent: 27100, dependent conditional: 2314, dependent unconditional: 24786, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 581797, independent: 554697, independent conditional: 7264, independent unconditional: 547433, dependent: 27100, dependent conditional: 2314, dependent unconditional: 24786, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1082, independent: 1020, independent conditional: 56, independent unconditional: 964, dependent: 62, dependent conditional: 41, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1082, independent: 962, independent conditional: 0, independent unconditional: 962, dependent: 120, dependent conditional: 0, dependent unconditional: 120, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 120, independent: 58, independent conditional: 54, independent unconditional: 4, dependent: 62, dependent conditional: 41, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 120, independent: 58, independent conditional: 54, independent unconditional: 4, dependent: 62, dependent conditional: 41, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 222, independent: 91, independent conditional: 84, independent unconditional: 7, dependent: 131, dependent conditional: 74, dependent unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 581797, independent: 553677, independent conditional: 7208, independent unconditional: 546469, dependent: 27038, dependent conditional: 2273, dependent unconditional: 24765, unknown: 1082, unknown conditional: 97, unknown unconditional: 985] , Statistics on independence cache: Total cache size (in pairs): 1082, Positive cache size: 1020, Positive conditional cache size: 56, Positive unconditional cache size: 964, Negative cache size: 62, Negative conditional cache size: 41, Negative unconditional cache size: 21, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 34216 ], Independence queries for same thread: 2211 - 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, 118 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 7.6s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 6.1s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 62, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 334 NumberOfCodeBlocks, 334 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 329 ConstructedInterpolants, 0 QuantifiedInterpolants, 1179 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 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-04-06 01:20:58,699 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 01:20:58,885 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...