/root/.sdkman/candidates/java/21.0.5-tem/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.commutativity.condition.synthesis NECESSARY_AND_SUFFICIENT -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe022_tso.i -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.conditional-comm-158c277 [2024-11-14 12:19:46,316 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 12:19:46,365 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2024-11-14 12:19:46,369 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 12:19:46,370 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 12:19:46,388 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 12:19:46,392 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 12:19:46,392 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 12:19:46,393 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 12:19:46,393 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 12:19:46,393 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-14 12:19:46,393 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-14 12:19:46,393 INFO L153 SettingsManager]: * Use SBE=true [2024-11-14 12:19:46,393 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 12:19:46,393 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 12:19:46,393 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 12:19:46,394 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 12:19:46,394 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 12:19:46,394 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 12:19:46,394 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 12:19:46,394 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 12:19:46,394 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 12:19:46,394 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 12:19:46,394 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 12:19:46,394 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 12:19:46,394 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 12:19:46,394 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 12:19:46,394 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-11-14 12:19:46,394 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 12:19:46,394 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 12:19:46,394 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 12:19:46,394 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 12:19:46,395 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 12:19:46,395 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-14 12:19:46,395 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 12:19:46,395 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 12:19:46,395 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-14 12:19:46,395 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-14 12:19:46,395 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-14 12:19:46,395 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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: Commutativity condition synthesis -> NECESSARY_AND_SUFFICIENT [2024-11-14 12:19:46,639 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 12:19:46,647 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 12:19:46,649 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 12:19:46,650 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 12:19:46,650 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 12:19:46,652 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-wmm/safe022_tso.i [2024-11-14 12:19:47,844 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 12:19:48,070 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 12:19:48,070 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/trunk/examples/svcomp/pthread-wmm/safe022_tso.i [2024-11-14 12:19:48,081 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/ee9c55dc6/4d482d18a8374b73a58f915d0932558c/FLAGe9c2a5185 [2024-11-14 12:19:48,092 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/ee9c55dc6/4d482d18a8374b73a58f915d0932558c [2024-11-14 12:19:48,093 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 12:19:48,094 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-14 12:19:48,095 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 12:19:48,095 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 12:19:48,098 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 12:19:48,099 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 12:19:48" (1/1) ... [2024-11-14 12:19:48,100 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6db18e26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 12:19:48, skipping insertion in model container [2024-11-14 12:19:48,100 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 12:19:48" (1/1) ... [2024-11-14 12:19:48,126 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 12:19:48,262 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/trunk/examples/svcomp/pthread-wmm/safe022_tso.i[945,958] [2024-11-14 12:19:48,394 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 12:19:48,401 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 12:19:48,410 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/trunk/examples/svcomp/pthread-wmm/safe022_tso.i[945,958] [2024-11-14 12:19:48,437 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 12:19:48,459 INFO L204 MainTranslator]: Completed translation [2024-11-14 12:19:48,460 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 12:19:48 WrapperNode [2024-11-14 12:19:48,460 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 12:19:48,460 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 12:19:48,461 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 12:19:48,461 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 12:19:48,465 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 12:19:48" (1/1) ... [2024-11-14 12:19:48,471 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 12:19:48" (1/1) ... [2024-11-14 12:19:48,491 INFO L138 Inliner]: procedures = 174, calls = 32, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 50 [2024-11-14 12:19:48,491 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 12:19:48,492 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 12:19:48,492 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 12:19:48,492 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 12:19:48,497 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 12:19:48" (1/1) ... [2024-11-14 12:19:48,497 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 12:19:48" (1/1) ... [2024-11-14 12:19:48,500 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 12:19:48" (1/1) ... [2024-11-14 12:19:48,501 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 12:19:48" (1/1) ... [2024-11-14 12:19:48,510 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 12:19:48" (1/1) ... [2024-11-14 12:19:48,511 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 12:19:48" (1/1) ... [2024-11-14 12:19:48,512 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 12:19:48" (1/1) ... [2024-11-14 12:19:48,513 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 12:19:48" (1/1) ... [2024-11-14 12:19:48,514 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 12:19:48,514 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 12:19:48,514 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 12:19:48,514 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 12:19:48,520 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 12:19:48" (1/1) ... [2024-11-14 12:19:48,528 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 12:19:48,541 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-14 12:19:48,552 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 12:19:48,557 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 12:19:48,573 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-14 12:19:48,573 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 12:19:48,573 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-14 12:19:48,573 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-14 12:19:48,573 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-14 12:19:48,573 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-14 12:19:48,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 12:19:48,573 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-14 12:19:48,573 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 12:19:48,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 12:19:48,575 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-14 12:19:48,652 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 12:19:48,653 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 12:19:48,748 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-14 12:19:48,748 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 12:19:48,757 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 12:19:48,757 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-14 12:19:48,757 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 12:19:48 BoogieIcfgContainer [2024-11-14 12:19:48,757 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 12:19:48,759 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 12:19:48,759 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 12:19:48,764 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 12:19:48,764 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 12:19:48" (1/3) ... [2024-11-14 12:19:48,765 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79548ed9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 12:19:48, skipping insertion in model container [2024-11-14 12:19:48,765 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 12:19:48" (2/3) ... [2024-11-14 12:19:48,765 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79548ed9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 12:19:48, skipping insertion in model container [2024-11-14 12:19:48,765 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 12:19:48" (3/3) ... [2024-11-14 12:19:48,767 INFO L112 eAbstractionObserver]: Analyzing ICFG safe022_tso.i [2024-11-14 12:19:48,777 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 12:19:48,779 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG safe022_tso.i that has 3 procedures, 69 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2024-11-14 12:19:48,779 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-14 12:19:48,824 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-14 12:19:48,864 INFO L123 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 12:19:48,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-14 12:19:48,866 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-14 12:19:48,868 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-11-14 12:19:48,869 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-11-14 12:19:48,931 INFO L185 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-14 12:19:48,942 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-14 12:19:48,948 INFO L333 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, 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;@5b2ef949, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 12:19:48,949 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-11-14 12:19:49,226 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-14 12:19:49,230 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 12:19:49,230 INFO L85 PathProgramCache]: Analyzing trace with hash 988414661, now seen corresponding path program 1 times [2024-11-14 12:19:49,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 12:19:49,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350507236] [2024-11-14 12:19:49,236 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 12:19:49,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 12:19:49,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 12:19:49,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 12:19:49,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 12:19:49,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350507236] [2024-11-14 12:19:49,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [350507236] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 12:19:49,378 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 12:19:49,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 12:19:49,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687455574] [2024-11-14 12:19:49,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 12:19:49,386 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 12:19:49,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 12:19:49,409 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 12:19:49,410 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 12:19:49,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 12:19:49,411 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 12:19:49,412 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 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) [2024-11-14 12:19:49,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 12:19:49,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 12:19:49,431 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 12:19:49,431 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-14 12:19:49,431 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 12:19:49,431 INFO L85 PathProgramCache]: Analyzing trace with hash 249082669, now seen corresponding path program 1 times [2024-11-14 12:19:49,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 12:19:49,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814568227] [2024-11-14 12:19:49,432 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 12:19:49,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 12:19:49,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 12:19:49,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 12:19:49,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 12:19:49,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1814568227] [2024-11-14 12:19:49,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1814568227] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 12:19:49,779 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 12:19:49,779 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-14 12:19:49,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070006765] [2024-11-14 12:19:49,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 12:19:49,780 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-14 12:19:49,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 12:19:49,780 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-14 12:19:49,781 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-14 12:19:49,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 12:19:49,781 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 12:19:49,782 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.25) internal successors, (50), 8 states have internal predecessors, (50), 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) [2024-11-14 12:19:49,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 12:19:49,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 12:19:50,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 12:19:50,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-14 12:19:50,383 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-14 12:19:50,383 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-14 12:19:50,384 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 12:19:50,384 INFO L85 PathProgramCache]: Analyzing trace with hash 1318580166, now seen corresponding path program 1 times [2024-11-14 12:19:50,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 12:19:50,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322265190] [2024-11-14 12:19:50,384 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 12:19:50,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 12:19:50,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 12:19:50,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 12:19:50,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 12:19:50,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1322265190] [2024-11-14 12:19:50,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1322265190] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 12:19:50,567 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 12:19:50,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-14 12:19:50,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411707010] [2024-11-14 12:19:50,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 12:19:50,568 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-14 12:19:50,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 12:19:50,568 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-14 12:19:50,568 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-14 12:19:50,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 12:19:50,569 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 12:19:50,569 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 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) [2024-11-14 12:19:50,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 12:19:50,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-14 12:19:50,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 12:19:50,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 12:19:50,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-14 12:19:50,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-14 12:19:50,755 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-14 12:19:50,755 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-14 12:19:50,756 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 12:19:50,756 INFO L85 PathProgramCache]: Analyzing trace with hash -904215102, now seen corresponding path program 2 times [2024-11-14 12:19:50,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 12:19:50,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258470377] [2024-11-14 12:19:50,756 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 12:19:50,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 12:19:50,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 12:19:50,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 12:19:50,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 12:19:50,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258470377] [2024-11-14 12:19:50,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [258470377] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 12:19:50,883 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 12:19:50,883 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-14 12:19:50,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210990485] [2024-11-14 12:19:50,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 12:19:50,884 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-14 12:19:50,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 12:19:50,884 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-14 12:19:50,884 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-14 12:19:50,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 12:19:50,884 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 12:19:50,884 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 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) [2024-11-14 12:19:50,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 12:19:50,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-14 12:19:50,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-14 12:19:50,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 12:19:51,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 12:19:51,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-14 12:19:51,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-14 12:19:51,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-14 12:19:51,049 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2024-11-14 12:19:51,050 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2024-11-14 12:19:51,050 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-11-14 12:19:51,050 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-14 12:19:51,055 INFO L422 BasicCegarLoop]: Path program histogram: [2, 1, 1] [2024-11-14 12:19:51,058 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-14 12:19:51,058 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 12:19:51,078 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-11-14 12:19:51,079 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 12:19:51 BasicIcfg [2024-11-14 12:19:51,079 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 12:19:51,080 INFO L158 Benchmark]: Toolchain (without parser) took 2985.22ms. Allocated memory was 100.7MB in the beginning and 134.2MB in the end (delta: 33.6MB). Free memory was 71.0MB in the beginning and 26.8MB in the end (delta: 44.2MB). Peak memory consumption was 74.4MB. Max. memory is 8.0GB. [2024-11-14 12:19:51,080 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 100.7MB. Free memory is still 51.7MB. There was no memory consumed. Max. memory is 8.0GB. [2024-11-14 12:19:51,080 INFO L158 Benchmark]: CACSL2BoogieTranslator took 364.80ms. Allocated memory is still 100.7MB. Free memory was 70.7MB in the beginning and 50.9MB in the end (delta: 19.8MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2024-11-14 12:19:51,080 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.75ms. Allocated memory is still 100.7MB. Free memory was 50.9MB in the beginning and 49.3MB in the end (delta: 1.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2024-11-14 12:19:51,080 INFO L158 Benchmark]: Boogie Preprocessor took 22.16ms. Allocated memory is still 100.7MB. Free memory was 49.3MB in the beginning and 48.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 8.0GB. [2024-11-14 12:19:51,081 INFO L158 Benchmark]: RCFGBuilder took 242.88ms. Allocated memory is still 100.7MB. Free memory was 48.1MB in the beginning and 36.7MB in the end (delta: 11.4MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2024-11-14 12:19:51,082 INFO L158 Benchmark]: TraceAbstraction took 2319.98ms. Allocated memory was 100.7MB in the beginning and 134.2MB in the end (delta: 33.6MB). Free memory was 36.1MB in the beginning and 26.8MB in the end (delta: 9.3MB). Peak memory consumption was 45.1MB. Max. memory is 8.0GB. [2024-11-14 12:19:51,094 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 100.7MB. Free memory is still 51.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 364.80ms. Allocated memory is still 100.7MB. Free memory was 70.7MB in the beginning and 50.9MB in the end (delta: 19.8MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 30.75ms. Allocated memory is still 100.7MB. Free memory was 50.9MB in the beginning and 49.3MB in the end (delta: 1.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 22.16ms. Allocated memory is still 100.7MB. Free memory was 49.3MB in the beginning and 48.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 242.88ms. Allocated memory is still 100.7MB. Free memory was 48.1MB in the beginning and 36.7MB in the end (delta: 11.4MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 2319.98ms. Allocated memory was 100.7MB in the beginning and 134.2MB in the end (delta: 33.6MB). Free memory was 36.1MB in the beginning and 26.8MB in the end (delta: 9.3MB). Peak memory consumption was 45.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 4484, independent: 4326, independent conditional: 3542, independent unconditional: 784, dependent: 158, dependent conditional: 145, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4436, independent: 4326, independent conditional: 3542, independent unconditional: 784, dependent: 110, dependent conditional: 97, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 4436, independent: 4326, independent conditional: 3542, independent unconditional: 784, dependent: 110, dependent conditional: 97, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4616, independent: 4326, independent conditional: 3542, independent unconditional: 784, dependent: 290, dependent conditional: 277, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4616, independent: 4326, independent conditional: 21, independent unconditional: 4305, dependent: 290, dependent conditional: 34, dependent unconditional: 256, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4616, independent: 4326, independent conditional: 21, independent unconditional: 4305, dependent: 290, dependent conditional: 34, dependent unconditional: 256, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 812, independent: 791, independent conditional: 7, independent unconditional: 784, dependent: 21, dependent conditional: 8, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 812, independent: 781, independent conditional: 0, independent unconditional: 781, dependent: 31, dependent conditional: 0, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 31, independent: 10, independent conditional: 7, independent unconditional: 3, dependent: 21, dependent conditional: 8, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 31, independent: 10, independent conditional: 7, independent unconditional: 3, dependent: 21, dependent conditional: 8, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 517, independent: 196, independent conditional: 122, independent unconditional: 73, dependent: 322, dependent conditional: 93, dependent unconditional: 229, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Protected Queries: 0 ], Cache Queries: [ total: 4616, independent: 3535, independent conditional: 14, independent unconditional: 3521, dependent: 269, dependent conditional: 26, dependent unconditional: 243, unknown: 812, unknown conditional: 15, unknown unconditional: 797] , Statistics on independence cache: Total cache size (in pairs): 812, Positive cache size: 791, Positive conditional cache size: 7, Positive unconditional cache size: 784, Negative cache size: 21, Negative conditional cache size: 8, Negative unconditional cache size: 13, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 3764, Maximal queried relation: 3, Independence queries for same thread: 48, Persistent sets #1 benchmarks: Persistent set computation time: 0.4s, Number of persistent set computation: 480, Number of trivial persistent sets: 129, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 797, independent: 784, independent conditional: 0, independent unconditional: 784, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 4484, independent: 4326, independent conditional: 3542, independent unconditional: 784, dependent: 158, dependent conditional: 145, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4436, independent: 4326, independent conditional: 3542, independent unconditional: 784, dependent: 110, dependent conditional: 97, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 4436, independent: 4326, independent conditional: 3542, independent unconditional: 784, dependent: 110, dependent conditional: 97, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4616, independent: 4326, independent conditional: 3542, independent unconditional: 784, dependent: 290, dependent conditional: 277, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4616, independent: 4326, independent conditional: 21, independent unconditional: 4305, dependent: 290, dependent conditional: 34, dependent unconditional: 256, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4616, independent: 4326, independent conditional: 21, independent unconditional: 4305, dependent: 290, dependent conditional: 34, dependent unconditional: 256, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 812, independent: 791, independent conditional: 7, independent unconditional: 784, dependent: 21, dependent conditional: 8, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 812, independent: 781, independent conditional: 0, independent unconditional: 781, dependent: 31, dependent conditional: 0, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 31, independent: 10, independent conditional: 7, independent unconditional: 3, dependent: 21, dependent conditional: 8, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 31, independent: 10, independent conditional: 7, independent unconditional: 3, dependent: 21, dependent conditional: 8, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 517, independent: 196, independent conditional: 122, independent unconditional: 73, dependent: 322, dependent conditional: 93, dependent unconditional: 229, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Protected Queries: 0 ], Cache Queries: [ total: 4616, independent: 3535, independent conditional: 14, independent unconditional: 3521, dependent: 269, dependent conditional: 26, dependent unconditional: 243, unknown: 812, unknown conditional: 15, unknown unconditional: 797] , Statistics on independence cache: Total cache size (in pairs): 812, Positive cache size: 791, Positive conditional cache size: 7, Positive unconditional cache size: 784, Negative cache size: 21, Negative conditional cache size: 8, Negative unconditional cache size: 13, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 3764, Maximal queried relation: 3, Independence queries for same thread: 48 - PositiveResult [Line: 18]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 87 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 2.1s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 1.2s, 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: 33, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 207 NumberOfCodeBlocks, 207 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 203 ConstructedInterpolants, 0 QuantifiedInterpolants, 530 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: CheckTime: 0.0s, ConditionCalculationTime: 0.0s, CommutingCounterexamples: 0, ConditionCalculations: 0, TraceChecks: 0, UnknownTraceChecks: 0, ImperfectProofs: 0, QuantifiedConditions: 0, FalseConditions: 0 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-14 12:19:51,115 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...