/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking DFS --traceabstraction.criterion.for.conditional.commutativity.checking RANDOM --traceabstraction.probability.for.random.criterion 50 --traceabstraction.seed.for.random.criterion 213 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread/sync01.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-3774817-m [2024-04-05 04:04:21,080 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-05 04:04:21,154 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-05 04:04:21,159 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-05 04:04:21,160 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-05 04:04:21,182 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-05 04:04:21,182 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-05 04:04:21,183 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-05 04:04:21,183 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-05 04:04:21,184 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-05 04:04:21,184 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-05 04:04:21,185 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-05 04:04:21,185 INFO L153 SettingsManager]: * Use SBE=true [2024-04-05 04:04:21,185 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-05 04:04:21,186 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-05 04:04:21,186 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-05 04:04:21,186 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-05 04:04:21,186 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-05 04:04:21,187 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-05 04:04:21,187 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-05 04:04:21,187 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-05 04:04:21,194 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-05 04:04:21,194 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-05 04:04:21,195 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-05 04:04:21,195 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-05 04:04:21,195 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-05 04:04:21,195 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-05 04:04:21,196 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-05 04:04:21,196 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-05 04:04:21,196 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-05 04:04:21,196 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-05 04:04:21,197 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-05 04:04:21,197 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-05 04:04:21,197 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-05 04:04:21,197 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-05 04:04:21,198 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-05 04:04:21,198 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-05 04:04:21,198 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-05 04:04:21,198 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-05 04:04:21,199 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> RANDOM Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: probability for random criterion as percentage -> 50 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: seed for random criterion -> 213 [2024-04-05 04:04:21,475 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-05 04:04:21,506 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-05 04:04:21,508 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-05 04:04:21,509 INFO L270 PluginConnector]: Initializing CDTParser... [2024-04-05 04:04:21,510 INFO L274 PluginConnector]: CDTParser initialized [2024-04-05 04:04:21,511 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread/sync01.i [2024-04-05 04:04:22,806 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-04-05 04:04:23,089 INFO L384 CDTParser]: Found 1 translation units. [2024-04-05 04:04:23,090 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/sync01.i [2024-04-05 04:04:23,114 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/5e74862b5/8c6ab77265fa4c05b90da3ff28b207ea/FLAGcac16eb43 [2024-04-05 04:04:23,126 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/5e74862b5/8c6ab77265fa4c05b90da3ff28b207ea [2024-04-05 04:04:23,130 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-05 04:04:23,131 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-04-05 04:04:23,132 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-04-05 04:04:23,132 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-04-05 04:04:23,140 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-04-05 04:04:23,141 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 04:04:23" (1/1) ... [2024-04-05 04:04:23,142 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7326957e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 04:04:23, skipping insertion in model container [2024-04-05 04:04:23,142 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 04:04:23" (1/1) ... [2024-04-05 04:04:23,202 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-04-05 04:04:23,656 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/sync01.i[42004,42017] [2024-04-05 04:04:23,661 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-05 04:04:23,683 INFO L202 MainTranslator]: Completed pre-run [2024-04-05 04:04:23,733 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/sync01.i[42004,42017] [2024-04-05 04:04:23,734 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-05 04:04:23,859 INFO L206 MainTranslator]: Completed translation [2024-04-05 04:04:23,862 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 04:04:23 WrapperNode [2024-04-05 04:04:23,862 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-04-05 04:04:23,864 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-05 04:04:23,864 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-05 04:04:23,864 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-05 04:04:23,871 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 04:04:23" (1/1) ... [2024-04-05 04:04:23,933 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 04:04:23" (1/1) ... [2024-04-05 04:04:23,964 INFO L138 Inliner]: procedures = 269, calls = 50, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 72 [2024-04-05 04:04:23,964 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-05 04:04:23,965 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-05 04:04:23,965 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-05 04:04:23,965 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-05 04:04:23,973 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 04:04:23" (1/1) ... [2024-04-05 04:04:23,973 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 04:04:23" (1/1) ... [2024-04-05 04:04:23,986 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 04:04:23" (1/1) ... [2024-04-05 04:04:23,986 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 04:04:23" (1/1) ... [2024-04-05 04:04:23,990 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 04:04:23" (1/1) ... [2024-04-05 04:04:23,993 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 04:04:23" (1/1) ... [2024-04-05 04:04:23,994 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 04:04:23" (1/1) ... [2024-04-05 04:04:23,996 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 04:04:23" (1/1) ... [2024-04-05 04:04:24,009 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-05 04:04:24,010 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-05 04:04:24,010 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-05 04:04:24,010 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-05 04:04:24,011 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 04:04:23" (1/1) ... [2024-04-05 04:04:24,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-05 04:04:24,035 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 04:04:24,053 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-04-05 04:04:24,075 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-04-05 04:04:24,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-04-05 04:04:24,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-04-05 04:04:24,112 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-04-05 04:04:24,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-04-05 04:04:24,112 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-04-05 04:04:24,113 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-04-05 04:04:24,113 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-04-05 04:04:24,113 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-04-05 04:04:24,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-04-05 04:04:24,113 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-04-05 04:04:24,113 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-04-05 04:04:24,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-04-05 04:04:24,115 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-05 04:04:24,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-05 04:04:24,116 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-04-05 04:04:24,231 INFO L241 CfgBuilder]: Building ICFG [2024-04-05 04:04:24,233 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-05 04:04:24,447 INFO L282 CfgBuilder]: Performing block encoding [2024-04-05 04:04:24,475 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-05 04:04:24,475 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2024-04-05 04:04:24,477 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 04:04:24 BoogieIcfgContainer [2024-04-05 04:04:24,477 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-05 04:04:24,479 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-05 04:04:24,479 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-05 04:04:24,483 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-05 04:04:24,483 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.04 04:04:23" (1/3) ... [2024-04-05 04:04:24,483 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76c77809 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 04:04:24, skipping insertion in model container [2024-04-05 04:04:24,484 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 04:04:23" (2/3) ... [2024-04-05 04:04:24,484 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76c77809 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 04:04:24, skipping insertion in model container [2024-04-05 04:04:24,484 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 04:04:24" (3/3) ... [2024-04-05 04:04:24,485 INFO L112 eAbstractionObserver]: Analyzing ICFG sync01.i [2024-04-05 04:04:24,493 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-05 04:04:24,503 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-05 04:04:24,504 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-04-05 04:04:24,504 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-05 04:04:24,559 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-04-05 04:04:24,608 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-05 04:04:24,609 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-05 04:04:24,609 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 04:04:24,610 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-04-05 04:04:24,611 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-04-05 04:04:24,659 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-05 04:04:24,675 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 04:04:24,677 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-05 04:04:24,689 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;@2675bc87, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=RANDOM, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=50, mConComCheckerRandomSeed=213 [2024-04-05 04:04:24,689 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-04-05 04:04:24,898 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-05 04:04:24,900 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 04:04:24,900 INFO L85 PathProgramCache]: Analyzing trace with hash -168835674, now seen corresponding path program 1 times [2024-04-05 04:04:24,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 04:04:24,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233242327] [2024-04-05 04:04:24,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 04:04:24,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 04:04:25,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 04:04:25,596 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-04-05 04:04:25,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 04:04:25,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233242327] [2024-04-05 04:04:25,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1233242327] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 04:04:25,598 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-05 04:04:25,598 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-04-05 04:04:25,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369615021] [2024-04-05 04:04:25,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 04:04:25,605 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-04-05 04:04:25,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 04:04:25,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-04-05 04:04:25,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-04-05 04:04:25,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 04:04:25,630 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 04:04:25,632 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 04:04:25,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 04:04:25,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 04:04:25,789 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-04-05 04:04:25,789 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-05 04:04:25,789 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 04:04:25,789 INFO L85 PathProgramCache]: Analyzing trace with hash -684309714, now seen corresponding path program 2 times [2024-04-05 04:04:25,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 04:04:25,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320698996] [2024-04-05 04:04:25,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 04:04:25,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 04:04:25,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 04:04:25,967 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-04-05 04:04:25,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 04:04:25,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [320698996] [2024-04-05 04:04:25,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [320698996] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 04:04:25,968 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-05 04:04:25,968 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-04-05 04:04:25,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136707962] [2024-04-05 04:04:25,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 04:04:25,970 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-04-05 04:04:25,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 04:04:25,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-04-05 04:04:25,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-04-05 04:04:25,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 04:04:25,973 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 04:04:25,974 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 04:04:25,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-05 04:04:25,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 04:04:26,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 04:04:26,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 04:04:26,074 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-04-05 04:04:26,075 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-05 04:04:26,076 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 04:04:26,076 INFO L85 PathProgramCache]: Analyzing trace with hash -1549541139, now seen corresponding path program 1 times [2024-04-05 04:04:26,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 04:04:26,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646748006] [2024-04-05 04:04:26,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 04:04:26,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 04:04:26,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 04:04:26,360 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 04:04:26,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 04:04:26,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646748006] [2024-04-05 04:04:26,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [646748006] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 04:04:26,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [480564806] [2024-04-05 04:04:26,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 04:04:26,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 04:04:26,361 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 04:04:26,402 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 04:04:26,419 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-04-05 04:04:26,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 04:04:26,517 INFO L262 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 9 conjunts are in the unsatisfiable core [2024-04-05 04:04:26,524 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 04:04:26,637 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 04:04:26,638 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-04-05 04:04:26,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [480564806] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 04:04:26,638 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-04-05 04:04:26,638 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [6] total 9 [2024-04-05 04:04:26,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914759453] [2024-04-05 04:04:26,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 04:04:26,643 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-04-05 04:04:26,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 04:04:26,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-04-05 04:04:26,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-04-05 04:04:26,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 04:04:26,646 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 04:04:26,646 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.875) internal successors, (87), 8 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) [2024-04-05 04:04:26,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-05 04:04:26,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-05 04:04:26,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 04:04:26,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 04:04:26,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 04:04:26,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-05 04:04:26,913 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2024-04-05 04:04:26,915 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2024-04-05 04:04:26,915 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-04-05 04:04:26,924 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-04-05 04:04:27,121 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-04-05 04:04:27,126 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1] [2024-04-05 04:04:27,129 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-04-05 04:04:27,129 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-04-05 04:04:27,134 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.04 04:04:27 BasicIcfg [2024-04-05 04:04:27,134 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-04-05 04:04:27,135 INFO L158 Benchmark]: Toolchain (without parser) took 4003.92ms. Allocated memory is still 288.4MB. Free memory was 214.9MB in the beginning and 121.2MB in the end (delta: 93.7MB). Peak memory consumption was 95.2MB. Max. memory is 8.0GB. [2024-04-05 04:04:27,135 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 288.4MB. Free memory was 256.1MB in the beginning and 255.9MB in the end (delta: 216.9kB). There was no memory consumed. Max. memory is 8.0GB. [2024-04-05 04:04:27,136 INFO L158 Benchmark]: CACSL2BoogieTranslator took 730.83ms. Allocated memory is still 288.4MB. Free memory was 214.8MB in the beginning and 249.9MB in the end (delta: -35.0MB). Peak memory consumption was 33.1MB. Max. memory is 8.0GB. [2024-04-05 04:04:27,138 INFO L158 Benchmark]: Boogie Procedure Inliner took 100.16ms. Allocated memory is still 288.4MB. Free memory was 249.9MB in the beginning and 247.3MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2024-04-05 04:04:27,141 INFO L158 Benchmark]: Boogie Preprocessor took 44.59ms. Allocated memory is still 288.4MB. Free memory was 247.3MB in the beginning and 245.7MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-04-05 04:04:27,145 INFO L158 Benchmark]: RCFGBuilder took 467.34ms. Allocated memory is still 288.4MB. Free memory was 245.7MB in the beginning and 227.9MB in the end (delta: 17.8MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2024-04-05 04:04:27,145 INFO L158 Benchmark]: TraceAbstraction took 2655.05ms. Allocated memory is still 288.4MB. Free memory was 226.3MB in the beginning and 121.2MB in the end (delta: 105.1MB). Peak memory consumption was 106.1MB. Max. memory is 8.0GB. [2024-04-05 04:04:27,147 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 288.4MB. Free memory was 256.1MB in the beginning and 255.9MB in the end (delta: 216.9kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 730.83ms. Allocated memory is still 288.4MB. Free memory was 214.8MB in the beginning and 249.9MB in the end (delta: -35.0MB). Peak memory consumption was 33.1MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 100.16ms. Allocated memory is still 288.4MB. Free memory was 249.9MB in the beginning and 247.3MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 44.59ms. Allocated memory is still 288.4MB. Free memory was 247.3MB in the beginning and 245.7MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 467.34ms. Allocated memory is still 288.4MB. Free memory was 245.7MB in the beginning and 227.9MB in the end (delta: 17.8MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * TraceAbstraction took 2655.05ms. Allocated memory is still 288.4MB. Free memory was 226.3MB in the beginning and 121.2MB in the end (delta: 105.1MB). Peak memory consumption was 106.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3010, independent: 2488, independent conditional: 2328, independent unconditional: 160, dependent: 522, dependent conditional: 411, dependent unconditional: 111, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2528, independent: 2488, independent conditional: 2328, independent unconditional: 160, dependent: 40, dependent conditional: 40, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2528, independent: 2488, independent conditional: 2328, independent unconditional: 160, dependent: 40, dependent conditional: 40, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2528, independent: 2488, independent conditional: 2328, independent unconditional: 160, dependent: 40, dependent conditional: 40, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2638, independent: 2488, independent conditional: 140, independent unconditional: 2348, dependent: 150, dependent conditional: 70, dependent unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2638, independent: 2488, independent conditional: 54, independent unconditional: 2434, dependent: 150, dependent conditional: 36, dependent unconditional: 114, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2638, independent: 2488, independent conditional: 54, independent unconditional: 2434, dependent: 150, dependent conditional: 36, dependent unconditional: 114, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 426, independent: 414, independent conditional: 0, independent unconditional: 414, dependent: 12, dependent conditional: 6, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 426, independent: 410, independent conditional: 0, independent unconditional: 410, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 16, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 12, dependent conditional: 6, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 16, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 12, dependent conditional: 6, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 79, independent: 8, independent conditional: 0, independent unconditional: 8, dependent: 71, dependent conditional: 20, dependent unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2638, independent: 2074, independent conditional: 54, independent unconditional: 2020, dependent: 138, dependent conditional: 30, dependent unconditional: 108, unknown: 426, unknown conditional: 6, unknown unconditional: 420] , Statistics on independence cache: Total cache size (in pairs): 426, Positive cache size: 414, Positive conditional cache size: 0, Positive unconditional cache size: 414, Negative cache size: 12, Negative conditional cache size: 6, Negative unconditional cache size: 6, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 120, Maximal queried relation: 3, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2638, independent: 2488, independent conditional: 140, independent unconditional: 2348, dependent: 150, dependent conditional: 70, dependent unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2638, independent: 2488, independent conditional: 54, independent unconditional: 2434, dependent: 150, dependent conditional: 36, dependent unconditional: 114, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2638, independent: 2488, independent conditional: 54, independent unconditional: 2434, dependent: 150, dependent conditional: 36, dependent unconditional: 114, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 426, independent: 414, independent conditional: 0, independent unconditional: 414, dependent: 12, dependent conditional: 6, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 426, independent: 410, independent conditional: 0, independent unconditional: 410, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 16, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 12, dependent conditional: 6, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 16, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 12, dependent conditional: 6, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 79, independent: 8, independent conditional: 0, independent unconditional: 8, dependent: 71, dependent conditional: 20, dependent unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2638, independent: 2074, independent conditional: 54, independent unconditional: 2020, dependent: 138, dependent conditional: 30, dependent unconditional: 108, unknown: 426, unknown conditional: 6, unknown unconditional: 420] , Statistics on independence cache: Total cache size (in pairs): 426, Positive cache size: 414, Positive conditional cache size: 0, Positive unconditional cache size: 414, Negative cache size: 12, Negative conditional cache size: 6, Negative unconditional cache size: 6, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 120 ], Independence queries for same thread: 482 - PositiveResult [Line: 966]: 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 5 procedures, 137 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 2.5s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.7s, 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, 0.9s InterpolantComputationTime, 368 NumberOfCodeBlocks, 368 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 364 ConstructedInterpolants, 0 QuantifiedInterpolants, 614 SizeOfPredicates, 4 NumberOfNonLiveVariables, 252 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 17/18 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-04-05 04:04:27,164 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-04-05 04:04:27,364 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...