/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/safe017_tso.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-3774817-m [2024-04-06 01:22:29,462 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-06 01:22:29,508 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-06 01:22:29,511 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-06 01:22:29,511 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-06 01:22:29,538 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-06 01:22:29,539 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-06 01:22:29,539 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-06 01:22:29,539 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-06 01:22:29,540 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-06 01:22:29,540 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-06 01:22:29,540 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-06 01:22:29,541 INFO L153 SettingsManager]: * Use SBE=true [2024-04-06 01:22:29,541 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-06 01:22:29,541 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-06 01:22:29,541 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-06 01:22:29,542 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-06 01:22:29,542 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-06 01:22:29,542 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-06 01:22:29,542 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-06 01:22:29,543 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-06 01:22:29,544 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-06 01:22:29,544 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-06 01:22:29,545 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-06 01:22:29,545 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-06 01:22:29,545 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-06 01:22:29,545 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-06 01:22:29,546 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-06 01:22:29,550 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-06 01:22:29,551 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-06 01:22:29,551 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-06 01:22:29,551 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-06 01:22:29,551 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-06 01:22:29,551 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-06 01:22:29,552 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-06 01:22:29,552 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-06 01:22:29,552 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-06 01:22:29,552 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-06 01:22:29,552 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-06 01:22:29,552 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> RANDOM Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: probability for random criterion as percentage -> 20 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: seed for random criterion -> 546 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 10 [2024-04-06 01:22:29,800 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-06 01:22:29,828 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-06 01:22:29,830 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-06 01:22:29,832 INFO L270 PluginConnector]: Initializing CDTParser... [2024-04-06 01:22:29,833 INFO L274 PluginConnector]: CDTParser initialized [2024-04-06 01:22:29,834 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-wmm/safe017_tso.i [2024-04-06 01:22:30,944 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-04-06 01:22:31,152 INFO L384 CDTParser]: Found 1 translation units. [2024-04-06 01:22:31,152 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe017_tso.i [2024-04-06 01:22:31,164 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/e6614510a/285f6c3411114bd8834924c76b5094ac/FLAG3c556b19e [2024-04-06 01:22:31,175 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/e6614510a/285f6c3411114bd8834924c76b5094ac [2024-04-06 01:22:31,178 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-06 01:22:31,180 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-04-06 01:22:31,183 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-04-06 01:22:31,183 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-04-06 01:22:31,187 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-04-06 01:22:31,188 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.04 01:22:31" (1/1) ... [2024-04-06 01:22:31,190 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fee59ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 01:22:31, skipping insertion in model container [2024-04-06 01:22:31,190 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.04 01:22:31" (1/1) ... [2024-04-06 01:22:31,230 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-04-06 01:22:31,359 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/safe017_tso.i[945,958] [2024-04-06 01:22:31,500 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-06 01:22:31,510 INFO L202 MainTranslator]: Completed pre-run [2024-04-06 01:22:31,520 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/safe017_tso.i[945,958] [2024-04-06 01:22:31,563 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-06 01:22:31,593 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-04-06 01:22:31,593 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-04-06 01:22:31,599 INFO L206 MainTranslator]: Completed translation [2024-04-06 01:22:31,599 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 01:22:31 WrapperNode [2024-04-06 01:22:31,599 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-04-06 01:22:31,601 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-06 01:22:31,601 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-06 01:22:31,601 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-06 01:22:31,607 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 01:22:31" (1/1) ... [2024-04-06 01:22:31,632 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 01:22:31" (1/1) ... [2024-04-06 01:22:31,647 INFO L138 Inliner]: procedures = 176, calls = 51, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 68 [2024-04-06 01:22:31,647 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-06 01:22:31,649 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-06 01:22:31,649 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-06 01:22:31,649 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-06 01:22:31,657 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 01:22:31" (1/1) ... [2024-04-06 01:22:31,657 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 01:22:31" (1/1) ... [2024-04-06 01:22:31,669 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 01:22:31" (1/1) ... [2024-04-06 01:22:31,670 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 01:22:31" (1/1) ... [2024-04-06 01:22:31,678 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 01:22:31" (1/1) ... [2024-04-06 01:22:31,680 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 01:22:31" (1/1) ... [2024-04-06 01:22:31,681 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 01:22:31" (1/1) ... [2024-04-06 01:22:31,682 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 01:22:31" (1/1) ... [2024-04-06 01:22:31,683 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-06 01:22:31,684 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-06 01:22:31,684 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-06 01:22:31,684 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-06 01:22:31,685 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 01:22:31" (1/1) ... [2024-04-06 01:22:31,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-06 01:22:31,711 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 01:22:31,729 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 01:22:31,738 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 01:22:31,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-04-06 01:22:31,772 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-04-06 01:22:31,772 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-04-06 01:22:31,772 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-04-06 01:22:31,772 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-04-06 01:22:31,772 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-04-06 01:22:31,772 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-04-06 01:22:31,772 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-04-06 01:22:31,772 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-04-06 01:22:31,772 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-04-06 01:22:31,773 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-04-06 01:22:31,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-04-06 01:22:31,774 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-04-06 01:22:31,774 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-06 01:22:31,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-06 01:22:31,775 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 01:22:31,905 INFO L241 CfgBuilder]: Building ICFG [2024-04-06 01:22:31,909 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-06 01:22:32,077 INFO L282 CfgBuilder]: Performing block encoding [2024-04-06 01:22:32,086 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-06 01:22:32,087 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2024-04-06 01:22:32,088 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.04 01:22:32 BoogieIcfgContainer [2024-04-06 01:22:32,088 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-06 01:22:32,090 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-06 01:22:32,090 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-06 01:22:32,092 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-06 01:22:32,093 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.04 01:22:31" (1/3) ... [2024-04-06 01:22:32,093 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b546ead and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.04 01:22:32, skipping insertion in model container [2024-04-06 01:22:32,093 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 01:22:31" (2/3) ... [2024-04-06 01:22:32,093 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b546ead and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.04 01:22:32, skipping insertion in model container [2024-04-06 01:22:32,093 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.04 01:22:32" (3/3) ... [2024-04-06 01:22:32,094 INFO L112 eAbstractionObserver]: Analyzing ICFG safe017_tso.i [2024-04-06 01:22:32,101 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-06 01:22:32,109 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-06 01:22:32,109 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-04-06 01:22:32,109 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-06 01:22:32,152 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-04-06 01:22:32,185 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-06 01:22:32,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-06 01:22:32,185 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 01:22:32,187 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 01:22:32,191 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 01:22:32,226 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-06 01:22:32,236 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 01:22:32,243 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-06 01:22:32,249 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;@22949df9, 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 01:22:32,249 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-04-06 01:22:32,295 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 01:22:32,297 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 01:22:32,297 INFO L85 PathProgramCache]: Analyzing trace with hash 41571435, now seen corresponding path program 1 times [2024-04-06 01:22:32,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 01:22:32,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973963660] [2024-04-06 01:22:32,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 01:22:32,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 01:22:32,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 01:22:32,528 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 01:22:32,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 01:22:32,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [973963660] [2024-04-06 01:22:32,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [973963660] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-06 01:22:32,530 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-06 01:22:32,530 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-04-06 01:22:32,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949220850] [2024-04-06 01:22:32,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 01:22:32,535 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-04-06 01:22:32,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 01:22:32,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-04-06 01:22:32,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-04-06 01:22:32,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 01:22:32,577 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 01:22:32,579 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 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 01:22:32,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 01:22:32,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 01:22:32,668 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-04-06 01:22:32,668 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 01:22:32,669 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 01:22:32,669 INFO L85 PathProgramCache]: Analyzing trace with hash 1957670217, now seen corresponding path program 1 times [2024-04-06 01:22:32,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 01:22:32,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739408828] [2024-04-06 01:22:32,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 01:22:32,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 01:22:32,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 01:22:33,062 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 01:22:33,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 01:22:33,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739408828] [2024-04-06 01:22:33,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1739408828] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-06 01:22:33,063 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-06 01:22:33,063 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-04-06 01:22:33,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723399084] [2024-04-06 01:22:33,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 01:22:33,068 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-04-06 01:22:33,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 01:22:33,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-04-06 01:22:33,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-04-06 01:22:33,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 01:22:33,070 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 01:22:33,070 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 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 01:22:33,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 01:22:33,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 01:22:33,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 01:22:33,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-06 01:22:33,262 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-04-06 01:22:33,262 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 01:22:33,264 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 01:22:33,264 INFO L85 PathProgramCache]: Analyzing trace with hash 449143306, now seen corresponding path program 1 times [2024-04-06 01:22:33,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 01:22:33,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716942877] [2024-04-06 01:22:33,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 01:22:33,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 01:22:33,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 01:22:33,476 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 01:22:33,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 01:22:33,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1716942877] [2024-04-06 01:22:33,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1716942877] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-06 01:22:33,476 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-06 01:22:33,476 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-04-06 01:22:33,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137732019] [2024-04-06 01:22:33,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 01:22:33,477 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-04-06 01:22:33,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 01:22:33,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-04-06 01:22:33,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-04-06 01:22:33,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 01:22:33,478 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 01:22:33,478 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 8 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) [2024-04-06 01:22:33,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 01:22:33,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-06 01:22:33,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 01:22:33,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 01:22:33,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-06 01:22:33,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-06 01:22:33,603 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-04-06 01:22:33,603 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 01:22:33,603 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 01:22:33,603 INFO L85 PathProgramCache]: Analyzing trace with hash 878826603, now seen corresponding path program 1 times [2024-04-06 01:22:33,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 01:22:33,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970236484] [2024-04-06 01:22:33,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 01:22:33,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 01:22:33,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 01:22:33,792 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 01:22:33,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 01:22:33,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [970236484] [2024-04-06 01:22:33,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [970236484] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-06 01:22:33,793 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-06 01:22:33,793 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-04-06 01:22:33,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309048046] [2024-04-06 01:22:33,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 01:22:33,793 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-04-06 01:22:33,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 01:22:33,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-04-06 01:22:33,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-04-06 01:22:33,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 01:22:33,795 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 01:22:33,795 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 6 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 01:22:33,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 01:22:33,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-06 01:22:33,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-06 01:22:33,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 01:22:34,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 01:22:34,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-06 01:22:34,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-06 01:22:34,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 01:22:34,414 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-04-06 01:22:34,415 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 01:22:34,415 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 01:22:34,415 INFO L85 PathProgramCache]: Analyzing trace with hash -211093587, now seen corresponding path program 2 times [2024-04-06 01:22:34,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 01:22:34,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101825795] [2024-04-06 01:22:34,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 01:22:34,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 01:22:34,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 01:22:34,613 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 01:22:34,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 01:22:34,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101825795] [2024-04-06 01:22:34,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [101825795] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-06 01:22:34,614 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-06 01:22:34,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-06 01:22:34,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293989366] [2024-04-06 01:22:34,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 01:22:34,615 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-06 01:22:34,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 01:22:34,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-06 01:22:34,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-04-06 01:22:34,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 01:22:34,618 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 01:22:34,618 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 01:22:34,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 01:22:34,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-06 01:22:34,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-06 01:22:34,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 01:22:34,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 01:22:35,391 INFO L85 PathProgramCache]: Analyzing trace with hash 885154547, now seen corresponding path program 1 times [2024-04-06 01:22:35,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 01:22:35,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 01:22:35,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-06 01:22:35,410 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-06 01:22:35,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-06 01:22:35,506 INFO L85 PathProgramCache]: Analyzing trace with hash 582824412, now seen corresponding path program 1 times [2024-04-06 01:22:35,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 01:22:35,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 01:22:35,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-06 01:22:35,521 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-06 01:22:35,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-06 01:22:35,590 INFO L85 PathProgramCache]: Analyzing trace with hash 1421873238, now seen corresponding path program 1 times [2024-04-06 01:22:35,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 01:22:35,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 01:22:35,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-06 01:22:35,600 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-06 01:22:35,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-06 01:22:35,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 01:22:35,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-06 01:22:35,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-06 01:22:35,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 01:22:35,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 01:22:35,675 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2024-04-06 01:22:35,675 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-04-06 01:22:35,675 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-04-06 01:22:35,676 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-04-06 01:22:35,676 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable7,SelfDestructingSolverStorable6,SelfDestructingSolverStorable5 [2024-04-06 01:22:35,679 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1] [2024-04-06 01:22:35,681 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-04-06 01:22:35,682 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-04-06 01:22:35,684 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.04 01:22:35 BasicIcfg [2024-04-06 01:22:35,685 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-04-06 01:22:35,685 INFO L158 Benchmark]: Toolchain (without parser) took 4505.28ms. Allocated memory was 314.6MB in the beginning and 400.6MB in the end (delta: 86.0MB). Free memory was 239.4MB in the beginning and 253.3MB in the end (delta: -13.9MB). Peak memory consumption was 73.5MB. Max. memory is 8.0GB. [2024-04-06 01:22:35,685 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 170.9MB. Free memory is still 137.3MB. There was no memory consumed. Max. memory is 8.0GB. [2024-04-06 01:22:35,686 INFO L158 Benchmark]: CACSL2BoogieTranslator took 417.11ms. Allocated memory is still 314.6MB. Free memory was 239.3MB in the beginning and 218.4MB in the end (delta: 20.8MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. [2024-04-06 01:22:35,686 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.46ms. Allocated memory is still 314.6MB. Free memory was 218.4MB in the beginning and 216.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-04-06 01:22:35,686 INFO L158 Benchmark]: Boogie Preprocessor took 34.49ms. Allocated memory is still 314.6MB. Free memory was 216.3MB in the beginning and 215.1MB in the end (delta: 1.2MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-04-06 01:22:35,686 INFO L158 Benchmark]: RCFGBuilder took 404.02ms. Allocated memory is still 314.6MB. Free memory was 215.1MB in the beginning and 200.6MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2024-04-06 01:22:35,687 INFO L158 Benchmark]: TraceAbstraction took 3594.75ms. Allocated memory was 314.6MB in the beginning and 400.6MB in the end (delta: 86.0MB). Free memory was 199.6MB in the beginning and 253.3MB in the end (delta: -53.7MB). Peak memory consumption was 33.7MB. Max. memory is 8.0GB. [2024-04-06 01:22:35,688 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 170.9MB. Free memory is still 137.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 417.11ms. Allocated memory is still 314.6MB. Free memory was 239.3MB in the beginning and 218.4MB in the end (delta: 20.8MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 46.46ms. Allocated memory is still 314.6MB. Free memory was 218.4MB in the beginning and 216.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 34.49ms. Allocated memory is still 314.6MB. Free memory was 216.3MB in the beginning and 215.1MB in the end (delta: 1.2MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 404.02ms. Allocated memory is still 314.6MB. Free memory was 215.1MB in the beginning and 200.6MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * TraceAbstraction took 3594.75ms. Allocated memory was 314.6MB in the beginning and 400.6MB in the end (delta: 86.0MB). Free memory was 199.6MB in the beginning and 253.3MB in the end (delta: -53.7MB). Peak memory consumption was 33.7MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 107821, independent: 106711, independent conditional: 106496, independent unconditional: 215, dependent: 1110, dependent conditional: 1105, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 107590, independent: 106711, independent conditional: 106496, independent unconditional: 215, dependent: 879, dependent conditional: 878, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 107590, independent: 106711, independent conditional: 106496, independent unconditional: 215, dependent: 879, dependent conditional: 878, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 107590, independent: 106711, independent conditional: 106496, independent unconditional: 215, dependent: 879, dependent conditional: 878, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 111619, independent: 106711, independent conditional: 4968, independent unconditional: 101743, dependent: 4908, dependent conditional: 2548, dependent unconditional: 2360, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 111619, independent: 106711, independent conditional: 1874, independent unconditional: 104837, dependent: 4908, dependent conditional: 220, dependent unconditional: 4688, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 111619, independent: 106711, independent conditional: 1874, independent unconditional: 104837, dependent: 4908, dependent conditional: 220, dependent unconditional: 4688, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 757, independent: 739, independent conditional: 17, independent unconditional: 722, dependent: 18, dependent conditional: 6, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 757, independent: 725, independent conditional: 0, independent unconditional: 725, dependent: 32, dependent conditional: 0, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 32, independent: 14, independent conditional: 10, independent unconditional: 4, dependent: 18, dependent conditional: 6, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 32, independent: 14, independent conditional: 10, independent unconditional: 4, dependent: 18, dependent conditional: 6, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 80, independent: 28, independent conditional: 20, independent unconditional: 8, dependent: 52, dependent conditional: 11, dependent unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 111619, independent: 105972, independent conditional: 1857, independent unconditional: 104115, dependent: 4890, dependent conditional: 214, dependent unconditional: 4676, unknown: 757, unknown conditional: 23, unknown unconditional: 734] , Statistics on independence cache: Total cache size (in pairs): 757, Positive cache size: 739, Positive conditional cache size: 17, Positive unconditional cache size: 722, Negative cache size: 18, Negative conditional cache size: 6, Negative unconditional cache size: 12, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 5422, Maximal queried relation: 4, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 111619, independent: 106711, independent conditional: 4968, independent unconditional: 101743, dependent: 4908, dependent conditional: 2548, dependent unconditional: 2360, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 111619, independent: 106711, independent conditional: 1874, independent unconditional: 104837, dependent: 4908, dependent conditional: 220, dependent unconditional: 4688, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 111619, independent: 106711, independent conditional: 1874, independent unconditional: 104837, dependent: 4908, dependent conditional: 220, dependent unconditional: 4688, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 757, independent: 739, independent conditional: 17, independent unconditional: 722, dependent: 18, dependent conditional: 6, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 757, independent: 725, independent conditional: 0, independent unconditional: 725, dependent: 32, dependent conditional: 0, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 32, independent: 14, independent conditional: 10, independent unconditional: 4, dependent: 18, dependent conditional: 6, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 32, independent: 14, independent conditional: 10, independent unconditional: 4, dependent: 18, dependent conditional: 6, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 80, independent: 28, independent conditional: 20, independent unconditional: 8, dependent: 52, dependent conditional: 11, dependent unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 111619, independent: 105972, independent conditional: 1857, independent unconditional: 104115, dependent: 4890, dependent conditional: 214, dependent unconditional: 4676, unknown: 757, unknown conditional: 23, unknown unconditional: 734] , Statistics on independence cache: Total cache size (in pairs): 757, Positive cache size: 739, Positive conditional cache size: 17, Positive unconditional cache size: 722, Negative cache size: 18, Negative conditional cache size: 6, Negative unconditional cache size: 12, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 5422 ], Independence queries for same thread: 231 - 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, 114 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 3.5s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 2.1s, 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: 40, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 323 NumberOfCodeBlocks, 323 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 318 ConstructedInterpolants, 0 QuantifiedInterpolants, 770 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 01:22:35,716 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 01:22:35,912 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...