/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 DEFAULT --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 10 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe031_tso.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-17da818-m [2024-05-06 10:17:54,994 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-06 10:17:55,042 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-05-06 10:17:55,046 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-06 10:17:55,047 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-06 10:17:55,085 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-06 10:17:55,085 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-06 10:17:55,086 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-06 10:17:55,087 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-06 10:17:55,090 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-06 10:17:55,091 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-06 10:17:55,091 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-06 10:17:55,092 INFO L153 SettingsManager]: * Use SBE=true [2024-05-06 10:17:55,093 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-06 10:17:55,093 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-06 10:17:55,094 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-06 10:17:55,094 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-06 10:17:55,094 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-06 10:17:55,094 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-06 10:17:55,095 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-06 10:17:55,095 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-06 10:17:55,095 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-06 10:17:55,095 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-06 10:17:55,096 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-06 10:17:55,096 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-06 10:17:55,096 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-06 10:17:55,096 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-06 10:17:55,097 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-06 10:17:55,097 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-06 10:17:55,097 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-06 10:17:55,099 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-06 10:17:55,099 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-06 10:17:55,099 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-06 10:17:55,099 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-06 10:17:55,099 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-05-06 10:17:55,099 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-05-06 10:17:55,100 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-06 10:17:55,100 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-06 10:17:55,100 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-06 10:17:55,123 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> DEFAULT Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 10 [2024-05-06 10:17:55,353 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-06 10:17:55,379 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-06 10:17:55,382 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-06 10:17:55,383 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-06 10:17:55,383 INFO L274 PluginConnector]: CDTParser initialized [2024-05-06 10:17:55,384 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-wmm/safe031_tso.i [2024-05-06 10:17:56,595 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-06 10:17:56,878 INFO L384 CDTParser]: Found 1 translation units. [2024-05-06 10:17:56,878 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe031_tso.i [2024-05-06 10:17:56,895 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/7bba05928/5311f9dbbeb846d3b739db99beff5eb1/FLAGe9201ea3e [2024-05-06 10:17:56,919 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/7bba05928/5311f9dbbeb846d3b739db99beff5eb1 [2024-05-06 10:17:56,922 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-06 10:17:56,923 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-06 10:17:56,928 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-06 10:17:56,928 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-06 10:17:56,932 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-06 10:17:56,933 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.05 10:17:56" (1/1) ... [2024-05-06 10:17:56,934 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@402a38d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 10:17:56, skipping insertion in model container [2024-05-06 10:17:56,934 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.05 10:17:56" (1/1) ... [2024-05-06 10:17:56,987 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-06 10:17:57,134 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/safe031_tso.i[945,958] [2024-05-06 10:17:57,283 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-06 10:17:57,294 INFO L202 MainTranslator]: Completed pre-run [2024-05-06 10:17:57,309 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/safe031_tso.i[945,958] [2024-05-06 10:17:57,338 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-06 10:17:57,365 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-05-06 10:17:57,366 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-05-06 10:17:57,373 INFO L206 MainTranslator]: Completed translation [2024-05-06 10:17:57,374 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 10:17:57 WrapperNode [2024-05-06 10:17:57,378 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-06 10:17:57,379 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-06 10:17:57,379 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-06 10:17:57,379 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-06 10:17:57,386 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 10:17:57" (1/1) ... [2024-05-06 10:17:57,413 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 10:17:57" (1/1) ... [2024-05-06 10:17:57,442 INFO L138 Inliner]: procedures = 176, calls = 55, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 69 [2024-05-06 10:17:57,442 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-06 10:17:57,443 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-06 10:17:57,443 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-06 10:17:57,443 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-06 10:17:57,454 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 10:17:57" (1/1) ... [2024-05-06 10:17:57,454 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 10:17:57" (1/1) ... [2024-05-06 10:17:57,507 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 10:17:57" (1/1) ... [2024-05-06 10:17:57,508 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 10:17:57" (1/1) ... [2024-05-06 10:17:57,513 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 10:17:57" (1/1) ... [2024-05-06 10:17:57,515 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 10:17:57" (1/1) ... [2024-05-06 10:17:57,516 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 10:17:57" (1/1) ... [2024-05-06 10:17:57,517 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 10:17:57" (1/1) ... [2024-05-06 10:17:57,519 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-06 10:17:57,520 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-06 10:17:57,520 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-06 10:17:57,520 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-06 10:17:57,521 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 10:17:57" (1/1) ... [2024-05-06 10:17:57,540 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-06 10:17:57,553 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 10:17:57,574 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-05-06 10:17:57,589 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-05-06 10:17:57,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-06 10:17:57,624 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-05-06 10:17:57,625 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-06 10:17:57,625 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-06 10:17:57,625 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-06 10:17:57,625 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-05-06 10:17:57,625 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-05-06 10:17:57,625 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-05-06 10:17:57,625 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-05-06 10:17:57,625 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-05-06 10:17:57,627 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-05-06 10:17:57,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-06 10:17:57,628 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-05-06 10:17:57,628 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-06 10:17:57,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-06 10:17:57,629 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-05-06 10:17:57,794 INFO L241 CfgBuilder]: Building ICFG [2024-05-06 10:17:57,797 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-06 10:17:58,014 INFO L282 CfgBuilder]: Performing block encoding [2024-05-06 10:17:58,023 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-06 10:17:58,023 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2024-05-06 10:17:58,029 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.05 10:17:58 BoogieIcfgContainer [2024-05-06 10:17:58,029 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-06 10:17:58,031 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-06 10:17:58,031 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-06 10:17:58,035 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-06 10:17:58,035 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.05 10:17:56" (1/3) ... [2024-05-06 10:17:58,036 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2dae50c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.05 10:17:58, skipping insertion in model container [2024-05-06 10:17:58,036 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 10:17:57" (2/3) ... [2024-05-06 10:17:58,037 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2dae50c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.05 10:17:58, skipping insertion in model container [2024-05-06 10:17:58,037 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.05 10:17:58" (3/3) ... [2024-05-06 10:17:58,038 INFO L112 eAbstractionObserver]: Analyzing ICFG safe031_tso.i [2024-05-06 10:17:58,048 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-06 10:17:58,057 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-06 10:17:58,057 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-06 10:17:58,057 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-06 10:17:58,134 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-05-06 10:17:58,175 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-06 10:17:58,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-06 10:17:58,176 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 10:17:58,178 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-05-06 10:17:58,180 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-05-06 10:17:58,210 INFO L188 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-06 10:17:58,221 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 10:17:58,223 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-05-06 10:17:58,229 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;@6ea35e21, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=DEFAULT, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=10, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-05-06 10:17:58,229 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-05-06 10:17:58,277 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-06 10:17:58,279 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 10:17:58,279 INFO L85 PathProgramCache]: Analyzing trace with hash -1639054805, now seen corresponding path program 1 times [2024-05-06 10:17:58,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 10:17:58,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176536399] [2024-05-06 10:17:58,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 10:17:58,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 10:17:58,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 10:17:58,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 10:17:58,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 10:17:58,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1176536399] [2024-05-06 10:17:58,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1176536399] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-06 10:17:58,570 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-06 10:17:58,570 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-06 10:17:58,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482616128] [2024-05-06 10:17:58,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-06 10:17:58,576 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-05-06 10:17:58,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 10:17:58,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-06 10:17:58,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-05-06 10:17:58,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 10:17:58,606 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 10:17:58,607 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 32.5) internal successors, (65), 2 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-06 10:17:58,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 10:17:58,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 10:17:58,654 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-06 10:17:58,654 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-06 10:17:58,655 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 10:17:58,655 INFO L85 PathProgramCache]: Analyzing trace with hash -434776430, now seen corresponding path program 1 times [2024-05-06 10:17:58,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 10:17:58,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666755845] [2024-05-06 10:17:58,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 10:17:58,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 10:17:58,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 10:17:59,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 10:17:59,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 10:17:59,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666755845] [2024-05-06 10:17:59,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [666755845] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-06 10:17:59,098 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-06 10:17:59,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-06 10:17:59,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614673034] [2024-05-06 10:17:59,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-06 10:17:59,101 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-06 10:17:59,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 10:17:59,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-06 10:17:59,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-06 10:17:59,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 10:17:59,105 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 10:17:59,105 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-06 10:17:59,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 10:17:59,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 10:17:59,484 INFO L85 PathProgramCache]: Analyzing trace with hash -837820030, now seen corresponding path program 1 times [2024-05-06 10:17:59,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 10:17:59,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 10:17:59,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 10:17:59,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 10:17:59,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 10:17:59,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 10:17:59,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 10:17:59,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 10:17:59,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-05-06 10:17:59,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-05-06 10:18:00,237 INFO L85 PathProgramCache]: Analyzing trace with hash -1899732071, now seen corresponding path program 1 times [2024-05-06 10:18:00,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 10:18:00,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 10:18:00,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 10:18:00,265 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 10:18:00,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 10:18:00,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 10:18:00,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-06 10:18:00,333 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable3,SelfDestructingSolverStorable2,SelfDestructingSolverStorable1 [2024-05-06 10:18:00,334 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-06 10:18:00,334 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 10:18:00,334 INFO L85 PathProgramCache]: Analyzing trace with hash -1455749291, now seen corresponding path program 1 times [2024-05-06 10:18:00,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 10:18:00,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73420221] [2024-05-06 10:18:00,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 10:18:00,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 10:18:00,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 10:18:00,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 10:18:00,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 10:18:00,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73420221] [2024-05-06 10:18:00,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [73420221] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-06 10:18:00,607 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-06 10:18:00,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-05-06 10:18:00,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128787323] [2024-05-06 10:18:00,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-06 10:18:00,608 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-05-06 10:18:00,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 10:18:00,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-05-06 10:18:00,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-05-06 10:18:00,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 10:18:00,617 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 10:18:00,617 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.0) internal successors, (70), 7 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-06 10:18:00,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 10:18:00,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-06 10:18:00,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 10:18:00,797 INFO L85 PathProgramCache]: Analyzing trace with hash -1899732071, now seen corresponding path program 2 times [2024-05-06 10:18:00,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 10:18:00,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 10:18:00,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 10:18:00,817 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 10:18:00,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 10:18:01,044 INFO L85 PathProgramCache]: Analyzing trace with hash -17061996, now seen corresponding path program 1 times [2024-05-06 10:18:01,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 10:18:01,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 10:18:01,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 10:18:01,062 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 10:18:01,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 10:18:01,219 INFO L85 PathProgramCache]: Analyzing trace with hash 1208267642, now seen corresponding path program 1 times [2024-05-06 10:18:01,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 10:18:01,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 10:18:01,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 10:18:01,231 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 10:18:01,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 10:18:01,908 INFO L85 PathProgramCache]: Analyzing trace with hash -1955722405, now seen corresponding path program 3 times [2024-05-06 10:18:01,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 10:18:01,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 10:18:01,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 10:18:01,920 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 10:18:01,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 10:18:02,045 INFO L85 PathProgramCache]: Analyzing trace with hash 768177940, now seen corresponding path program 2 times [2024-05-06 10:18:02,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 10:18:02,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 10:18:02,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 10:18:02,055 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 10:18:02,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 10:18:02,180 INFO L85 PathProgramCache]: Analyzing trace with hash -1360710660, now seen corresponding path program 2 times [2024-05-06 10:18:02,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 10:18:02,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 10:18:02,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 10:18:02,191 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 10:18:02,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 10:18:04,196 INFO L85 PathProgramCache]: Analyzing trace with hash -1093337660, now seen corresponding path program 1 times [2024-05-06 10:18:04,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 10:18:04,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 10:18:04,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 10:18:04,218 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 10:18:04,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 10:18:04,295 INFO L85 PathProgramCache]: Analyzing trace with hash -1143636056, now seen corresponding path program 1 times [2024-05-06 10:18:04,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 10:18:04,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 10:18:04,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 10:18:04,306 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 10:18:04,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 10:18:04,368 INFO L85 PathProgramCache]: Analyzing trace with hash -175353263, now seen corresponding path program 1 times [2024-05-06 10:18:04,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 10:18:04,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 10:18:04,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 10:18:04,379 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 10:18:04,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 10:18:04,436 INFO L85 PathProgramCache]: Analyzing trace with hash -2083849215, now seen corresponding path program 1 times [2024-05-06 10:18:04,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 10:18:04,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 10:18:04,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 10:18:04,447 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 10:18:04,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 10:18:04,491 INFO L85 PathProgramCache]: Analyzing trace with hash -482804292, now seen corresponding path program 1 times [2024-05-06 10:18:04,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 10:18:04,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 10:18:04,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 10:18:04,502 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 10:18:04,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 10:18:04,545 INFO L85 PathProgramCache]: Analyzing trace with hash -1955214853, now seen corresponding path program 1 times [2024-05-06 10:18:04,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 10:18:04,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 10:18:04,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 10:18:04,555 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 10:18:04,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 10:18:04,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 10:18:04,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-06 10:18:04,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-06 10:18:04,615 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,SelfDestructingSolverStorable6,SelfDestructingSolverStorable5,SelfDestructingSolverStorable10,SelfDestructingSolverStorable11,SelfDestructingSolverStorable12,SelfDestructingSolverStorable9,SelfDestructingSolverStorable13,SelfDestructingSolverStorable14,SelfDestructingSolverStorable15,SelfDestructingSolverStorable16,SelfDestructingSolverStorable17 [2024-05-06 10:18:04,616 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-06 10:18:04,616 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 10:18:04,616 INFO L85 PathProgramCache]: Analyzing trace with hash 638816597, now seen corresponding path program 2 times [2024-05-06 10:18:04,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 10:18:04,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207659475] [2024-05-06 10:18:04,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 10:18:04,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 10:18:04,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 10:18:04,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 10:18:04,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 10:18:04,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207659475] [2024-05-06 10:18:04,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1207659475] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-06 10:18:04,814 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-06 10:18:04,815 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-06 10:18:04,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956445390] [2024-05-06 10:18:04,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-06 10:18:04,815 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-06 10:18:04,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 10:18:04,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-06 10:18:04,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-06 10:18:04,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 10:18:04,817 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 10:18:04,817 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 6 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-06 10:18:04,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 10:18:04,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-06 10:18:04,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-06 10:18:04,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 10:18:05,877 INFO L85 PathProgramCache]: Analyzing trace with hash -1093337660, now seen corresponding path program 2 times [2024-05-06 10:18:05,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 10:18:05,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 10:18:05,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 10:18:05,888 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 10:18:05,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 10:18:05,958 INFO L85 PathProgramCache]: Analyzing trace with hash -1143636056, now seen corresponding path program 2 times [2024-05-06 10:18:05,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 10:18:05,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 10:18:05,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 10:18:05,969 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 10:18:05,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 10:18:06,033 INFO L85 PathProgramCache]: Analyzing trace with hash -175353263, now seen corresponding path program 2 times [2024-05-06 10:18:06,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 10:18:06,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 10:18:06,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 10:18:06,044 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 10:18:06,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 10:18:06,106 INFO L85 PathProgramCache]: Analyzing trace with hash -2083849215, now seen corresponding path program 2 times [2024-05-06 10:18:06,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 10:18:06,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 10:18:06,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 10:18:06,116 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 10:18:06,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 10:18:06,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 10:18:06,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-06 10:18:06,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-06 10:18:06,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-06 10:18:06,968 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2024-05-06 10:18:06,968 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-05-06 10:18:06,968 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-05-06 10:18:06,968 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-05-06 10:18:06,969 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,SelfDestructingSolverStorable19,SelfDestructingSolverStorable20,SelfDestructingSolverStorable21,SelfDestructingSolverStorable22 [2024-05-06 10:18:06,973 INFO L448 BasicCegarLoop]: Path program histogram: [3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-05-06 10:18:06,975 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-05-06 10:18:06,975 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-05-06 10:18:06,978 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.05 10:18:06 BasicIcfg [2024-05-06 10:18:06,978 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-05-06 10:18:06,981 INFO L158 Benchmark]: Toolchain (without parser) took 10055.81ms. Allocated memory was 286.3MB in the beginning and 453.0MB in the end (delta: 166.7MB). Free memory was 215.6MB in the beginning and 315.8MB in the end (delta: -100.2MB). Peak memory consumption was 67.7MB. Max. memory is 8.0GB. [2024-05-06 10:18:06,983 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 286.3MB. Free memory is still 252.5MB. There was no memory consumed. Max. memory is 8.0GB. [2024-05-06 10:18:06,983 INFO L158 Benchmark]: CACSL2BoogieTranslator took 450.18ms. Allocated memory is still 286.3MB. Free memory was 215.4MB in the beginning and 194.9MB in the end (delta: 20.5MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. [2024-05-06 10:18:06,985 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.39ms. Allocated memory is still 286.3MB. Free memory was 194.7MB in the beginning and 192.8MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-05-06 10:18:06,986 INFO L158 Benchmark]: Boogie Preprocessor took 76.52ms. Allocated memory is still 286.3MB. Free memory was 192.8MB in the beginning and 254.1MB in the end (delta: -61.3MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2024-05-06 10:18:06,986 INFO L158 Benchmark]: RCFGBuilder took 509.03ms. Allocated memory is still 286.3MB. Free memory was 254.1MB in the beginning and 239.9MB in the end (delta: 14.2MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2024-05-06 10:18:06,986 INFO L158 Benchmark]: TraceAbstraction took 8947.30ms. Allocated memory was 286.3MB in the beginning and 453.0MB in the end (delta: 166.7MB). Free memory was 238.4MB in the beginning and 315.8MB in the end (delta: -77.5MB). Peak memory consumption was 90.3MB. Max. memory is 8.0GB. [2024-05-06 10:18:06,987 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 286.3MB. Free memory is still 252.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 450.18ms. Allocated memory is still 286.3MB. Free memory was 215.4MB in the beginning and 194.9MB in the end (delta: 20.5MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 63.39ms. Allocated memory is still 286.3MB. Free memory was 194.7MB in the beginning and 192.8MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 76.52ms. Allocated memory is still 286.3MB. Free memory was 192.8MB in the beginning and 254.1MB in the end (delta: -61.3MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * RCFGBuilder took 509.03ms. Allocated memory is still 286.3MB. Free memory was 254.1MB in the beginning and 239.9MB in the end (delta: 14.2MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * TraceAbstraction took 8947.30ms. Allocated memory was 286.3MB in the beginning and 453.0MB in the end (delta: 166.7MB). Free memory was 238.4MB in the beginning and 315.8MB in the end (delta: -77.5MB). Peak memory consumption was 90.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 119643, independent: 118489, independent conditional: 118284, independent unconditional: 205, dependent: 1154, dependent conditional: 1154, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 119557, independent: 118489, independent conditional: 118284, independent unconditional: 205, dependent: 1068, dependent conditional: 1068, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 119557, independent: 118489, independent conditional: 118284, independent unconditional: 205, dependent: 1068, dependent conditional: 1068, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 119557, independent: 118489, independent conditional: 118284, independent unconditional: 205, dependent: 1068, dependent conditional: 1068, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 122157, independent: 118489, independent conditional: 56648, independent unconditional: 61841, dependent: 3668, dependent conditional: 2601, dependent unconditional: 1067, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 122157, independent: 118489, independent conditional: 25477, independent unconditional: 93012, dependent: 3668, dependent conditional: 937, dependent unconditional: 2731, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 122157, independent: 118489, independent conditional: 25477, independent unconditional: 93012, dependent: 3668, dependent conditional: 937, dependent unconditional: 2731, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1099, independent: 1084, independent conditional: 203, independent unconditional: 881, dependent: 15, dependent conditional: 5, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1099, independent: 1067, independent conditional: 0, independent unconditional: 1067, dependent: 32, dependent conditional: 0, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 32, independent: 17, independent conditional: 13, independent unconditional: 4, dependent: 15, dependent conditional: 5, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 32, independent: 17, independent conditional: 13, independent unconditional: 4, dependent: 15, dependent conditional: 5, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 81, independent: 23, independent conditional: 19, independent unconditional: 4, dependent: 58, dependent conditional: 46, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 122157, independent: 117405, independent conditional: 25274, independent unconditional: 92131, dependent: 3653, dependent conditional: 932, dependent unconditional: 2721, unknown: 1099, unknown conditional: 208, unknown unconditional: 891] , Statistics on independence cache: Total cache size (in pairs): 1099, Positive cache size: 1084, Positive conditional cache size: 203, Positive unconditional cache size: 881, Negative cache size: 15, Negative conditional cache size: 5, Negative unconditional cache size: 10, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 32835, Maximal queried relation: 4, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 122157, independent: 118489, independent conditional: 56648, independent unconditional: 61841, dependent: 3668, dependent conditional: 2601, dependent unconditional: 1067, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 122157, independent: 118489, independent conditional: 25477, independent unconditional: 93012, dependent: 3668, dependent conditional: 937, dependent unconditional: 2731, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 122157, independent: 118489, independent conditional: 25477, independent unconditional: 93012, dependent: 3668, dependent conditional: 937, dependent unconditional: 2731, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1099, independent: 1084, independent conditional: 203, independent unconditional: 881, dependent: 15, dependent conditional: 5, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1099, independent: 1067, independent conditional: 0, independent unconditional: 1067, dependent: 32, dependent conditional: 0, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 32, independent: 17, independent conditional: 13, independent unconditional: 4, dependent: 15, dependent conditional: 5, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 32, independent: 17, independent conditional: 13, independent unconditional: 4, dependent: 15, dependent conditional: 5, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 81, independent: 23, independent conditional: 19, independent unconditional: 4, dependent: 58, dependent conditional: 46, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 122157, independent: 117405, independent conditional: 25274, independent unconditional: 92131, dependent: 3653, dependent conditional: 932, dependent unconditional: 2721, unknown: 1099, unknown conditional: 208, unknown unconditional: 891] , Statistics on independence cache: Total cache size (in pairs): 1099, Positive cache size: 1084, Positive conditional cache size: 203, Positive unconditional cache size: 881, Negative cache size: 15, Negative conditional cache size: 5, Negative unconditional cache size: 10, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 32835 ], Independence queries for same thread: 86 - PositiveResult [Line: 18]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 119 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 8.8s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 7.5s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 24, 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, 269 NumberOfCodeBlocks, 269 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 265 ConstructedInterpolants, 0 QuantifiedInterpolants, 493 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConditionalCommutativityCheckTime: 4.6s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 1, ConditionalCommutativityConditionCalculations: 61, ConditionalCommutativityTraceChecks: 18, ConditionalCommutativityImperfectProofs: 0 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-05-06 10:18:07,007 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-05-06 10:18:07,213 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...