/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 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/spaghetti.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-17da818-m [2024-05-06 04:29:56,341 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-06 04:29:56,392 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-05-06 04:29:56,395 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-06 04:29:56,396 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-06 04:29:56,423 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-06 04:29:56,424 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-06 04:29:56,424 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-06 04:29:56,425 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-06 04:29:56,428 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-06 04:29:56,428 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-06 04:29:56,428 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-06 04:29:56,429 INFO L153 SettingsManager]: * Use SBE=true [2024-05-06 04:29:56,430 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-06 04:29:56,430 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-06 04:29:56,430 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-06 04:29:56,431 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-06 04:29:56,431 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-06 04:29:56,431 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-06 04:29:56,431 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-06 04:29:56,431 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-06 04:29:56,431 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-06 04:29:56,432 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-06 04:29:56,432 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-06 04:29:56,432 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-06 04:29:56,432 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-06 04:29:56,432 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-06 04:29:56,432 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-06 04:29:56,433 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-06 04:29:56,433 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-06 04:29:56,434 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-06 04:29:56,434 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-06 04:29:56,434 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-06 04:29:56,434 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-06 04:29:56,434 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-05-06 04:29:56,434 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-05-06 04:29:56,435 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-06 04:29:56,435 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-06 04:29:56,435 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-06 04:29:56,435 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> DEFAULT [2024-05-06 04:29:56,628 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-06 04:29:56,641 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-06 04:29:56,643 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-06 04:29:56,643 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-06 04:29:56,643 INFO L274 PluginConnector]: CDTParser initialized [2024-05-06 04:29:56,644 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/spaghetti.wvr.c [2024-05-06 04:29:57,719 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-06 04:29:57,888 INFO L384 CDTParser]: Found 1 translation units. [2024-05-06 04:29:57,889 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/spaghetti.wvr.c [2024-05-06 04:29:57,904 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/8755718c4/3989879d69644c24a6ff1ca1817eab92/FLAG1dcde08ed [2024-05-06 04:29:57,915 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/8755718c4/3989879d69644c24a6ff1ca1817eab92 [2024-05-06 04:29:57,917 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-06 04:29:57,917 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-06 04:29:57,918 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-06 04:29:57,918 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-06 04:29:57,924 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-06 04:29:57,924 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.05 04:29:57" (1/1) ... [2024-05-06 04:29:57,925 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a34052a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 04:29:57, skipping insertion in model container [2024-05-06 04:29:57,925 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.05 04:29:57" (1/1) ... [2024-05-06 04:29:57,948 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-06 04:29:58,059 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/spaghetti.wvr.c[3221,3234] [2024-05-06 04:29:58,064 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-06 04:29:58,070 INFO L202 MainTranslator]: Completed pre-run [2024-05-06 04:29:58,095 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/spaghetti.wvr.c[3221,3234] [2024-05-06 04:29:58,096 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-06 04:29:58,105 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-05-06 04:29:58,105 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-05-06 04:29:58,110 INFO L206 MainTranslator]: Completed translation [2024-05-06 04:29:58,110 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 04:29:58 WrapperNode [2024-05-06 04:29:58,110 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-06 04:29:58,111 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-06 04:29:58,111 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-06 04:29:58,111 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-06 04:29:58,116 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 04:29:58" (1/1) ... [2024-05-06 04:29:58,122 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 04:29:58" (1/1) ... [2024-05-06 04:29:58,134 INFO L138 Inliner]: procedures = 23, calls = 59, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 79 [2024-05-06 04:29:58,136 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-06 04:29:58,136 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-06 04:29:58,137 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-06 04:29:58,137 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-06 04:29:58,143 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 04:29:58" (1/1) ... [2024-05-06 04:29:58,143 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 04:29:58" (1/1) ... [2024-05-06 04:29:58,145 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 04:29:58" (1/1) ... [2024-05-06 04:29:58,145 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 04:29:58" (1/1) ... [2024-05-06 04:29:58,148 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 04:29:58" (1/1) ... [2024-05-06 04:29:58,153 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 04:29:58" (1/1) ... [2024-05-06 04:29:58,157 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 04:29:58" (1/1) ... [2024-05-06 04:29:58,158 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 04:29:58" (1/1) ... [2024-05-06 04:29:58,160 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-06 04:29:58,174 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-06 04:29:58,174 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-06 04:29:58,174 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-06 04:29:58,174 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 04:29:58" (1/1) ... [2024-05-06 04:29:58,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-06 04:29:58,188 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 04:29:58,200 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 04:29:58,217 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 04:29:58,236 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-06 04:29:58,237 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-05-06 04:29:58,237 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-05-06 04:29:58,237 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-05-06 04:29:58,237 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-05-06 04:29:58,237 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-05-06 04:29:58,238 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-05-06 04:29:58,238 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-05-06 04:29:58,238 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-05-06 04:29:58,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-06 04:29:58,238 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-06 04:29:58,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-06 04:29:58,239 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-05-06 04:29:58,240 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-05-06 04:29:58,240 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-06 04:29:58,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-06 04:29:58,240 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-05-06 04:29:58,240 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-06 04:29:58,241 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 04:29:58,373 INFO L241 CfgBuilder]: Building ICFG [2024-05-06 04:29:58,374 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-06 04:29:58,560 INFO L282 CfgBuilder]: Performing block encoding [2024-05-06 04:29:58,573 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-06 04:29:58,573 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2024-05-06 04:29:58,574 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.05 04:29:58 BoogieIcfgContainer [2024-05-06 04:29:58,574 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-06 04:29:58,576 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-06 04:29:58,576 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-06 04:29:58,578 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-06 04:29:58,579 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.05 04:29:57" (1/3) ... [2024-05-06 04:29:58,579 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@763154d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.05 04:29:58, skipping insertion in model container [2024-05-06 04:29:58,579 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 04:29:58" (2/3) ... [2024-05-06 04:29:58,579 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@763154d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.05 04:29:58, skipping insertion in model container [2024-05-06 04:29:58,579 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.05 04:29:58" (3/3) ... [2024-05-06 04:29:58,580 INFO L112 eAbstractionObserver]: Analyzing ICFG spaghetti.wvr.c [2024-05-06 04:29:58,586 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-06 04:29:58,594 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-06 04:29:58,594 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-06 04:29:58,594 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-06 04:29:58,646 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-05-06 04:29:58,677 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-06 04:29:58,678 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-06 04:29:58,678 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 04:29:58,680 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 04:29:58,681 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 04:29:58,765 INFO L188 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-06 04:29:58,775 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 04:29:58,776 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-05-06 04:29:58,792 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;@79057867, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=DEFAULT, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-05-06 04:29:58,792 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-05-06 04:29:58,871 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 2 more)] === [2024-05-06 04:29:58,875 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 04:29:58,875 INFO L85 PathProgramCache]: Analyzing trace with hash 1896415366, now seen corresponding path program 1 times [2024-05-06 04:29:58,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 04:29:58,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277067179] [2024-05-06 04:29:58,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 04:29:58,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 04:29:59,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 04:29:59,161 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 04:29:59,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 04:29:59,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277067179] [2024-05-06 04:29:59,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [277067179] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-06 04:29:59,163 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-06 04:29:59,163 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-06 04:29:59,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898773057] [2024-05-06 04:29:59,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-06 04:29:59,167 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-05-06 04:29:59,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 04:29:59,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-06 04:29:59,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-05-06 04:29:59,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 04:29:59,220 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 04:29:59,221 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 44.0) internal successors, (88), 2 states have internal predecessors, (88), 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 04:29:59,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 04:29:59,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 04:29:59,284 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-06 04:29:59,285 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 2 more)] === [2024-05-06 04:29:59,285 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 04:29:59,285 INFO L85 PathProgramCache]: Analyzing trace with hash -215885803, now seen corresponding path program 1 times [2024-05-06 04:29:59,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 04:29:59,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551479273] [2024-05-06 04:29:59,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 04:29:59,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 04:29:59,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 04:29:59,673 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 04:29:59,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 04:29:59,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1551479273] [2024-05-06 04:29:59,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1551479273] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-06 04:29:59,673 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-06 04:29:59,673 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-06 04:29:59,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581463194] [2024-05-06 04:29:59,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-06 04:29:59,675 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-06 04:29:59,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 04:29:59,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-06 04:29:59,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-05-06 04:29:59,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 04:29:59,676 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 04:29:59,676 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.5) internal successors, (87), 6 states have internal predecessors, (87), 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 04:29:59,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 04:29:59,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 04:30:08,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 04:30:08,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-06 04:30:08,356 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-05-06 04:30:08,356 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 2 more)] === [2024-05-06 04:30:08,357 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 04:30:08,357 INFO L85 PathProgramCache]: Analyzing trace with hash 1376675629, now seen corresponding path program 1 times [2024-05-06 04:30:08,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 04:30:08,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971730873] [2024-05-06 04:30:08,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 04:30:08,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 04:30:08,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 04:30:08,646 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-05-06 04:30:08,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 04:30:08,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971730873] [2024-05-06 04:30:08,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1971730873] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-06 04:30:08,647 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-06 04:30:08,647 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-06 04:30:08,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993827585] [2024-05-06 04:30:08,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-06 04:30:08,647 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-06 04:30:08,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 04:30:08,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-06 04:30:08,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-05-06 04:30:08,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 04:30:08,649 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 04:30:08,649 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 6 states have internal predecessors, (98), 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 04:30:08,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 04:30:08,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-06 04:30:08,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 04:31:41,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 04:31:41,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-06 04:31:41,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-06 04:31:41,508 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2024-05-06 04:31:41,513 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 5 remaining) [2024-05-06 04:31:41,513 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2024-05-06 04:31:41,513 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2024-05-06 04:31:41,513 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2024-05-06 04:31:41,513 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-05-06 04:31:41,520 INFO L448 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-05-06 04:31:41,522 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-05-06 04:31:41,522 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-05-06 04:31:41,526 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.05 04:31:41 BasicIcfg [2024-05-06 04:31:41,527 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-05-06 04:31:41,528 INFO L158 Benchmark]: Toolchain (without parser) took 103609.97ms. Allocated memory was 340.8MB in the beginning and 3.1GB in the end (delta: 2.7GB). Free memory was 268.2MB in the beginning and 2.1GB in the end (delta: -1.9GB). Peak memory consumption was 871.3MB. Max. memory is 8.0GB. [2024-05-06 04:31:41,528 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 178.3MB. Free memory was 145.1MB in the beginning and 145.0MB in the end (delta: 63.3kB). There was no memory consumed. Max. memory is 8.0GB. [2024-05-06 04:31:41,528 INFO L158 Benchmark]: CACSL2BoogieTranslator took 192.47ms. Allocated memory is still 340.8MB. Free memory was 268.0MB in the beginning and 256.4MB in the end (delta: 11.6MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2024-05-06 04:31:41,529 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.85ms. Allocated memory is still 340.8MB. Free memory was 256.4MB in the beginning and 254.7MB in the end (delta: 1.7MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-05-06 04:31:41,533 INFO L158 Benchmark]: Boogie Preprocessor took 23.92ms. Allocated memory is still 340.8MB. Free memory was 254.7MB in the beginning and 253.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-05-06 04:31:41,533 INFO L158 Benchmark]: RCFGBuilder took 400.72ms. Allocated memory is still 340.8MB. Free memory was 253.3MB in the beginning and 296.9MB in the end (delta: -43.6MB). Peak memory consumption was 11.1MB. Max. memory is 8.0GB. [2024-05-06 04:31:41,533 INFO L158 Benchmark]: TraceAbstraction took 102951.05ms. Allocated memory was 340.8MB in the beginning and 3.1GB in the end (delta: 2.7GB). Free memory was 295.8MB in the beginning and 2.1GB in the end (delta: -1.8GB). Peak memory consumption was 897.9MB. Max. memory is 8.0GB. [2024-05-06 04:31:41,534 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 178.3MB. Free memory was 145.1MB in the beginning and 145.0MB in the end (delta: 63.3kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 192.47ms. Allocated memory is still 340.8MB. Free memory was 268.0MB in the beginning and 256.4MB in the end (delta: 11.6MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 24.85ms. Allocated memory is still 340.8MB. Free memory was 256.4MB in the beginning and 254.7MB in the end (delta: 1.7MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 23.92ms. Allocated memory is still 340.8MB. Free memory was 254.7MB in the beginning and 253.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 400.72ms. Allocated memory is still 340.8MB. Free memory was 253.3MB in the beginning and 296.9MB in the end (delta: -43.6MB). Peak memory consumption was 11.1MB. Max. memory is 8.0GB. * TraceAbstraction took 102951.05ms. Allocated memory was 340.8MB in the beginning and 3.1GB in the end (delta: 2.7GB). Free memory was 295.8MB in the beginning and 2.1GB in the end (delta: -1.8GB). Peak memory consumption was 897.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3972085, independent: 3897589, independent conditional: 3162783, independent unconditional: 734806, dependent: 74496, dependent conditional: 64904, dependent unconditional: 9592, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3927080, independent: 3897589, independent conditional: 3162783, independent unconditional: 734806, dependent: 29491, dependent conditional: 19899, dependent unconditional: 9592, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3927080, independent: 3897589, independent conditional: 3162783, independent unconditional: 734806, dependent: 29491, dependent conditional: 19899, dependent unconditional: 9592, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 3927080, independent: 3897589, independent conditional: 3162783, independent unconditional: 734806, dependent: 29491, dependent conditional: 19899, dependent unconditional: 9592, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3969864, independent: 3897589, independent conditional: 1146200, independent unconditional: 2751389, dependent: 72275, dependent conditional: 26505, dependent unconditional: 45770, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3969864, independent: 3897589, independent conditional: 120702, independent unconditional: 3776887, dependent: 72275, dependent conditional: 0, dependent unconditional: 72275, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3969864, independent: 3897589, independent conditional: 120702, independent unconditional: 3776887, dependent: 72275, dependent conditional: 0, dependent unconditional: 72275, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2951, independent: 2933, independent conditional: 148, independent unconditional: 2785, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2951, independent: 2903, independent conditional: 0, independent unconditional: 2903, dependent: 48, dependent conditional: 0, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 48, independent: 30, independent conditional: 0, independent unconditional: 30, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 48, independent: 30, independent conditional: 0, independent unconditional: 30, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 78, independent: 50, independent conditional: 0, independent unconditional: 50, dependent: 28, dependent conditional: 0, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 3969864, independent: 3894656, independent conditional: 120554, independent unconditional: 3774102, dependent: 72257, dependent conditional: 0, dependent unconditional: 72257, unknown: 2951, unknown conditional: 148, unknown unconditional: 2803] , Statistics on independence cache: Total cache size (in pairs): 2951, Positive cache size: 2933, Positive conditional cache size: 148, Positive unconditional cache size: 2785, Negative cache size: 18, Negative conditional cache size: 0, Negative unconditional cache size: 18, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1052003, Maximal queried relation: 1, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3969864, independent: 3897589, independent conditional: 1146200, independent unconditional: 2751389, dependent: 72275, dependent conditional: 26505, dependent unconditional: 45770, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3969864, independent: 3897589, independent conditional: 120702, independent unconditional: 3776887, dependent: 72275, dependent conditional: 0, dependent unconditional: 72275, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3969864, independent: 3897589, independent conditional: 120702, independent unconditional: 3776887, dependent: 72275, dependent conditional: 0, dependent unconditional: 72275, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2951, independent: 2933, independent conditional: 148, independent unconditional: 2785, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2951, independent: 2903, independent conditional: 0, independent unconditional: 2903, dependent: 48, dependent conditional: 0, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 48, independent: 30, independent conditional: 0, independent unconditional: 30, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 48, independent: 30, independent conditional: 0, independent unconditional: 30, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 78, independent: 50, independent conditional: 0, independent unconditional: 50, dependent: 28, dependent conditional: 0, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 3969864, independent: 3894656, independent conditional: 120554, independent unconditional: 3774102, dependent: 72257, dependent conditional: 0, dependent unconditional: 72257, unknown: 2951, unknown conditional: 148, unknown unconditional: 2803] , Statistics on independence cache: Total cache size (in pairs): 2951, Positive cache size: 2933, Positive conditional cache size: 148, Positive unconditional cache size: 2785, Negative cache size: 18, Negative conditional cache size: 0, Negative unconditional cache size: 18, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1052003 ], Independence queries for same thread: 45005 - PositiveResult [Line: 127]: 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 9 procedures, 166 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 102.8s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 101.7s, 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: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 274 NumberOfCodeBlocks, 274 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 271 ConstructedInterpolants, 0 QuantifiedInterpolants, 457 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 10/10 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: 74.1s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 0, ConditionalCommutativityConditionCalculations: 16198, ConditionalCommutativityTraceChecks: 0, ConditionalCommutativityImperfectProofs: 0 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-05-06 04:31:41,551 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-05-06 04:31:41,919 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...