/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 SUFFICIENT_WITH_CONTEXT -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe005_tso.i -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.conditional-comm-158c277 [2024-11-14 08:54:26,711 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 08:54:26,774 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2024-11-14 08:54:26,779 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 08:54:26,779 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 08:54:26,798 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 08:54:26,799 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 08:54:26,799 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 08:54:26,800 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 08:54:26,800 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 08:54:26,801 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-14 08:54:26,801 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-14 08:54:26,801 INFO L153 SettingsManager]: * Use SBE=true [2024-11-14 08:54:26,801 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 08:54:26,802 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 08:54:26,802 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 08:54:26,802 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 08:54:26,802 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 08:54:26,802 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 08:54:26,802 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 08:54:26,802 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 08:54:26,802 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 08:54:26,802 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 08:54:26,802 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 08:54:26,802 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 08:54:26,802 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 08:54:26,802 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 08:54:26,802 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-11-14 08:54:26,802 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 08:54:26,802 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 08:54:26,803 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 08:54:26,803 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 08:54:26,803 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 08:54:26,803 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-14 08:54:26,803 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 08:54:26,803 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 08:54:26,803 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-14 08:54:26,803 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-14 08:54:26,803 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-14 08:54:26,803 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 -> SUFFICIENT_WITH_CONTEXT [2024-11-14 08:54:26,994 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 08:54:27,002 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 08:54:27,003 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 08:54:27,004 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 08:54:27,006 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 08:54:27,007 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-wmm/safe005_tso.i [2024-11-14 08:54:28,148 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 08:54:28,384 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 08:54:28,384 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/trunk/examples/svcomp/pthread-wmm/safe005_tso.i [2024-11-14 08:54:28,394 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/eec78aa5c/bc693deedbce4f26b9d64ea548d2cb71/FLAGcc375aa8c [2024-11-14 08:54:28,741 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/eec78aa5c/bc693deedbce4f26b9d64ea548d2cb71 [2024-11-14 08:54:28,747 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 08:54:28,749 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-14 08:54:28,751 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 08:54:28,751 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 08:54:28,755 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 08:54:28,756 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 08:54:28" (1/1) ... [2024-11-14 08:54:28,757 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d4f0e66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 08:54:28, skipping insertion in model container [2024-11-14 08:54:28,757 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 08:54:28" (1/1) ... [2024-11-14 08:54:28,783 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 08:54:28,898 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/safe005_tso.i[945,958] [2024-11-14 08:54:29,027 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 08:54:29,035 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 08:54:29,043 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/safe005_tso.i[945,958] [2024-11-14 08:54:29,074 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 08:54:29,101 INFO L204 MainTranslator]: Completed translation [2024-11-14 08:54:29,101 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 08:54:29 WrapperNode [2024-11-14 08:54:29,101 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 08:54:29,102 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 08:54:29,102 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 08:54:29,102 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 08:54:29,106 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 08:54:29" (1/1) ... [2024-11-14 08:54:29,113 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 08:54:29" (1/1) ... [2024-11-14 08:54:29,123 INFO L138 Inliner]: procedures = 175, calls = 43, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 58 [2024-11-14 08:54:29,124 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 08:54:29,124 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 08:54:29,124 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 08:54:29,124 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 08:54:29,127 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 08:54:29" (1/1) ... [2024-11-14 08:54:29,127 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 08:54:29" (1/1) ... [2024-11-14 08:54:29,129 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 08:54:29" (1/1) ... [2024-11-14 08:54:29,129 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 08:54:29" (1/1) ... [2024-11-14 08:54:29,132 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 08:54:29" (1/1) ... [2024-11-14 08:54:29,132 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 08:54:29" (1/1) ... [2024-11-14 08:54:29,133 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 08:54:29" (1/1) ... [2024-11-14 08:54:29,133 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 08:54:29" (1/1) ... [2024-11-14 08:54:29,136 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 08:54:29,137 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 08:54:29,137 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 08:54:29,137 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 08:54:29,138 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 08:54:29" (1/1) ... [2024-11-14 08:54:29,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 08:54:29,152 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-14 08:54:29,161 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 08:54:29,164 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 08:54:29,178 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-14 08:54:29,178 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 08:54:29,178 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-14 08:54:29,178 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-14 08:54:29,178 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-14 08:54:29,178 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-14 08:54:29,178 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-14 08:54:29,178 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-14 08:54:29,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 08:54:29,178 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-14 08:54:29,178 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 08:54:29,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 08:54:29,179 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 08:54:29,268 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 08:54:29,269 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 08:54:29,388 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-14 08:54:29,388 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 08:54:29,399 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 08:54:29,399 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-14 08:54:29,400 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 08:54:29 BoogieIcfgContainer [2024-11-14 08:54:29,400 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 08:54:29,403 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 08:54:29,403 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 08:54:29,406 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 08:54:29,406 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 08:54:28" (1/3) ... [2024-11-14 08:54:29,407 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d2e749c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 08:54:29, skipping insertion in model container [2024-11-14 08:54:29,407 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 08:54:29" (2/3) ... [2024-11-14 08:54:29,407 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d2e749c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 08:54:29, skipping insertion in model container [2024-11-14 08:54:29,407 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 08:54:29" (3/3) ... [2024-11-14 08:54:29,408 INFO L112 eAbstractionObserver]: Analyzing ICFG safe005_tso.i [2024-11-14 08:54:29,419 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 08:54:29,420 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG safe005_tso.i that has 4 procedures, 86 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2024-11-14 08:54:29,420 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-14 08:54:29,466 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-14 08:54:29,505 INFO L123 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 08:54:29,505 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-14 08:54:29,505 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-14 08:54:29,509 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 08:54:29,514 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 08:54:29,575 INFO L185 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-14 08:54:29,584 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-14 08:54:29,590 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;@1bcf275b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 08:54:29,590 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-14 08:54:29,954 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-14 08:54:29,957 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 08:54:29,957 INFO L85 PathProgramCache]: Analyzing trace with hash -1287535304, now seen corresponding path program 1 times [2024-11-14 08:54:29,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 08:54:29,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128819847] [2024-11-14 08:54:29,962 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 08:54:29,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 08:54:30,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 08:54:30,159 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 08:54:30,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 08:54:30,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128819847] [2024-11-14 08:54:30,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1128819847] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 08:54:30,160 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 08:54:30,160 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 08:54:30,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666903691] [2024-11-14 08:54:30,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 08:54:30,164 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 08:54:30,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 08:54:30,178 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 08:54:30,179 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 08:54:30,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 08:54:30,180 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 08:54:30,181 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 33.0) internal successors, (66), 2 states have internal predecessors, (66), 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 08:54:30,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 08:54:30,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 08:54:30,202 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 08:54:30,202 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-14 08:54:30,203 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 08:54:30,203 INFO L85 PathProgramCache]: Analyzing trace with hash 716768229, now seen corresponding path program 1 times [2024-11-14 08:54:30,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 08:54:30,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168410856] [2024-11-14 08:54:30,203 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 08:54:30,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 08:54:30,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 08:54:30,500 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 08:54:30,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 08:54:30,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168410856] [2024-11-14 08:54:30,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [168410856] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 08:54:30,501 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 08:54:30,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-14 08:54:30,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819510908] [2024-11-14 08:54:30,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 08:54:30,502 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-14 08:54:30,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 08:54:30,502 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-14 08:54:30,502 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-14 08:54:30,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 08:54:30,503 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 08:54:30,503 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 7 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 08:54:30,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 08:54:30,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 08:54:30,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 08:54:30,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-14 08:54:30,685 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-14 08:54:30,686 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-14 08:54:30,686 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 08:54:30,686 INFO L85 PathProgramCache]: Analyzing trace with hash 401038118, now seen corresponding path program 1 times [2024-11-14 08:54:30,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 08:54:30,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681494014] [2024-11-14 08:54:30,686 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 08:54:30,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 08:54:30,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 08:54:30,917 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 08:54:30,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 08:54:30,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681494014] [2024-11-14 08:54:30,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [681494014] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 08:54:30,917 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 08:54:30,917 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-14 08:54:30,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20810894] [2024-11-14 08:54:30,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 08:54:30,917 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-14 08:54:30,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 08:54:30,918 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-14 08:54:30,918 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-14 08:54:30,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 08:54:30,918 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 08:54:30,918 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.375) internal successors, (67), 8 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 08:54:30,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 08:54:30,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-14 08:54:30,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 08:54:31,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 08:54:31,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-14 08:54:31,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-14 08:54:31,081 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-14 08:54:31,081 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-14 08:54:31,081 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 08:54:31,081 INFO L85 PathProgramCache]: Analyzing trace with hash 1594320424, now seen corresponding path program 1 times [2024-11-14 08:54:31,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 08:54:31,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20804563] [2024-11-14 08:54:31,081 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 08:54:31,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 08:54:31,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 08:54:31,270 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 08:54:31,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 08:54:31,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20804563] [2024-11-14 08:54:31,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [20804563] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 08:54:31,270 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 08:54:31,270 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-14 08:54:31,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020301918] [2024-11-14 08:54:31,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 08:54:31,271 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-14 08:54:31,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 08:54:31,271 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-14 08:54:31,271 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-14 08:54:31,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 08:54:31,271 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 08:54:31,271 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 7 states have internal predecessors, (71), 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 08:54:31,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 08:54:31,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-14 08:54:31,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-14 08:54:31,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 08:54:32,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 08:54:32,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-14 08:54:32,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-14 08:54:32,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-14 08:54:32,161 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2024-11-14 08:54:32,162 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-11-14 08:54:32,162 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-11-14 08:54:32,162 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-11-14 08:54:32,162 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-14 08:54:32,166 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-14 08:54:32,168 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-14 08:54:32,168 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 08:54:32,185 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 08:54:32,186 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 08:54:32 BasicIcfg [2024-11-14 08:54:32,186 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 08:54:32,187 INFO L158 Benchmark]: Toolchain (without parser) took 3437.55ms. Allocated memory was 100.7MB in the beginning and 146.8MB in the end (delta: 46.1MB). Free memory was 71.9MB in the beginning and 104.6MB in the end (delta: -32.7MB). Peak memory consumption was 93.8MB. Max. memory is 8.0GB. [2024-11-14 08:54:32,187 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 100.7MB. Free memory is still 53.6MB. There was no memory consumed. Max. memory is 8.0GB. [2024-11-14 08:54:32,187 INFO L158 Benchmark]: CACSL2BoogieTranslator took 350.66ms. Allocated memory is still 100.7MB. Free memory was 71.6MB in the beginning and 51.5MB in the end (delta: 20.2MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2024-11-14 08:54:32,187 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.53ms. Allocated memory is still 100.7MB. Free memory was 51.2MB in the beginning and 49.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 8.0GB. [2024-11-14 08:54:32,187 INFO L158 Benchmark]: Boogie Preprocessor took 12.59ms. Allocated memory is still 100.7MB. Free memory was 49.7MB in the beginning and 48.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 8.0GB. [2024-11-14 08:54:32,187 INFO L158 Benchmark]: RCFGBuilder took 262.94ms. Allocated memory is still 100.7MB. Free memory was 48.7MB in the beginning and 36.4MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2024-11-14 08:54:32,188 INFO L158 Benchmark]: TraceAbstraction took 2783.49ms. Allocated memory was 100.7MB in the beginning and 146.8MB in the end (delta: 46.1MB). Free memory was 35.9MB in the beginning and 104.6MB in the end (delta: -68.7MB). Peak memory consumption was 64.4MB. Max. memory is 8.0GB. [2024-11-14 08:54:32,189 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 100.7MB. Free memory is still 53.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 350.66ms. Allocated memory is still 100.7MB. Free memory was 71.6MB in the beginning and 51.5MB in the end (delta: 20.2MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 21.53ms. Allocated memory is still 100.7MB. Free memory was 51.2MB in the beginning and 49.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Preprocessor took 12.59ms. Allocated memory is still 100.7MB. Free memory was 49.7MB in the beginning and 48.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 262.94ms. Allocated memory is still 100.7MB. Free memory was 48.7MB in the beginning and 36.4MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 2783.49ms. Allocated memory was 100.7MB in the beginning and 146.8MB in the end (delta: 46.1MB). Free memory was 35.9MB in the beginning and 104.6MB in the end (delta: -68.7MB). Peak memory consumption was 64.4MB. 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: 17402, independent: 16955, independent conditional: 15381, independent unconditional: 1574, dependent: 447, dependent conditional: 420, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 17371, independent: 16955, independent conditional: 15381, independent unconditional: 1574, dependent: 416, dependent conditional: 389, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 17371, independent: 16955, independent conditional: 15381, independent unconditional: 1574, dependent: 416, dependent conditional: 389, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 18603, independent: 16955, independent conditional: 15381, independent unconditional: 1574, dependent: 1648, dependent conditional: 1621, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 18603, independent: 16955, independent conditional: 176, independent unconditional: 16779, dependent: 1648, dependent conditional: 167, dependent unconditional: 1481, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 18603, independent: 16955, independent conditional: 176, independent unconditional: 16779, dependent: 1648, dependent conditional: 167, dependent unconditional: 1481, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1619, independent: 1584, independent conditional: 10, independent unconditional: 1574, dependent: 35, dependent conditional: 8, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1619, independent: 1566, independent conditional: 0, independent unconditional: 1566, dependent: 53, dependent conditional: 0, dependent unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 53, independent: 18, independent conditional: 10, independent unconditional: 8, dependent: 35, dependent conditional: 8, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 53, independent: 18, independent conditional: 10, independent unconditional: 8, dependent: 35, dependent conditional: 8, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 633, independent: 239, independent conditional: 140, independent unconditional: 98, dependent: 395, dependent conditional: 64, dependent unconditional: 331, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Protected Queries: 0 ], Cache Queries: [ total: 18603, independent: 15371, independent conditional: 166, independent unconditional: 15205, dependent: 1613, dependent conditional: 159, dependent unconditional: 1454, unknown: 1619, unknown conditional: 18, unknown unconditional: 1601] , Statistics on independence cache: Total cache size (in pairs): 1619, Positive cache size: 1584, Positive conditional cache size: 10, Positive unconditional cache size: 1574, Negative cache size: 35, Negative conditional cache size: 8, Negative unconditional cache size: 27, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 16659, Maximal queried relation: 3, Independence queries for same thread: 31, Persistent sets #1 benchmarks: Persistent set computation time: 0.6s, Number of persistent set computation: 2318, Number of trivial persistent sets: 954, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1601, independent: 1574, independent conditional: 0, independent unconditional: 1574, dependent: 27, dependent conditional: 0, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 17402, independent: 16955, independent conditional: 15381, independent unconditional: 1574, dependent: 447, dependent conditional: 420, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 17371, independent: 16955, independent conditional: 15381, independent unconditional: 1574, dependent: 416, dependent conditional: 389, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 17371, independent: 16955, independent conditional: 15381, independent unconditional: 1574, dependent: 416, dependent conditional: 389, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 18603, independent: 16955, independent conditional: 15381, independent unconditional: 1574, dependent: 1648, dependent conditional: 1621, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 18603, independent: 16955, independent conditional: 176, independent unconditional: 16779, dependent: 1648, dependent conditional: 167, dependent unconditional: 1481, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 18603, independent: 16955, independent conditional: 176, independent unconditional: 16779, dependent: 1648, dependent conditional: 167, dependent unconditional: 1481, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1619, independent: 1584, independent conditional: 10, independent unconditional: 1574, dependent: 35, dependent conditional: 8, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1619, independent: 1566, independent conditional: 0, independent unconditional: 1566, dependent: 53, dependent conditional: 0, dependent unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 53, independent: 18, independent conditional: 10, independent unconditional: 8, dependent: 35, dependent conditional: 8, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 53, independent: 18, independent conditional: 10, independent unconditional: 8, dependent: 35, dependent conditional: 8, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 633, independent: 239, independent conditional: 140, independent unconditional: 98, dependent: 395, dependent conditional: 64, dependent unconditional: 331, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Protected Queries: 0 ], Cache Queries: [ total: 18603, independent: 15371, independent conditional: 166, independent unconditional: 15205, dependent: 1613, dependent conditional: 159, dependent unconditional: 1454, unknown: 1619, unknown conditional: 18, unknown unconditional: 1601] , Statistics on independence cache: Total cache size (in pairs): 1619, Positive cache size: 1584, Positive conditional cache size: 10, Positive unconditional cache size: 1574, Negative cache size: 35, Negative conditional cache size: 8, Negative unconditional cache size: 27, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 16659, Maximal queried relation: 3, Independence queries for same thread: 31 - 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 7 procedures, 114 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 2.6s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 1.6s, 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: 30, 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, 0.7s InterpolantComputationTime, 269 NumberOfCodeBlocks, 269 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 265 ConstructedInterpolants, 0 QuantifiedInterpolants, 767 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 08:54:32,211 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...