/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --traceabstraction.prune.known.deadend.states.from.previous.iterations false -s ../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_ERROR_LOCATION -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/rfi006_power.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.dynamic-abstractions-e23131f-m [2024-05-03 01:50:10,164 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-03 01:50:10,201 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf [2024-05-03 01:50:10,204 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-03 01:50:10,204 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-03 01:50:10,205 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-05-03 01:50:10,233 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-03 01:50:10,233 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-03 01:50:10,234 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-03 01:50:10,234 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-03 01:50:10,234 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-03 01:50:10,235 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-03 01:50:10,235 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-03 01:50:10,235 INFO L153 SettingsManager]: * Use SBE=true [2024-05-03 01:50:10,235 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-03 01:50:10,236 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-03 01:50:10,236 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-03 01:50:10,236 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-03 01:50:10,236 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-03 01:50:10,236 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-03 01:50:10,237 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-03 01:50:10,241 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-03 01:50:10,241 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-03 01:50:10,242 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-03 01:50:10,248 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-03 01:50:10,248 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-03 01:50:10,249 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-03 01:50:10,249 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-03 01:50:10,249 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-03 01:50:10,249 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-03 01:50:10,249 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-03 01:50:10,249 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-03 01:50:10,250 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-03 01:50:10,250 INFO L153 SettingsManager]: * Abstraction for dynamic stratified reduction=VARIABLES_GLOBAL [2024-05-03 01:50:10,250 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-03 01:50:10,250 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-03 01:50:10,250 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=DYNAMIC_ABSTRACTIONS [2024-05-03 01:50:10,250 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2024-05-03 01:50:10,250 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-03 01:50:10,250 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-03 01:50:10,250 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-03 01:50:10,251 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION [2024-05-03 01:50:10,466 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-03 01:50:10,488 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-03 01:50:10,490 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-03 01:50:10,490 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-03 01:50:10,491 INFO L274 PluginConnector]: CDTParser initialized [2024-05-03 01:50:10,492 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-wmm/rfi006_power.oepc.i [2024-05-03 01:50:11,532 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-03 01:50:11,779 INFO L384 CDTParser]: Found 1 translation units. [2024-05-03 01:50:11,780 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi006_power.oepc.i [2024-05-03 01:50:11,789 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/51960e115/179f533c3d8f43eca169c2ca2f7e1741/FLAGaf15bcf1d [2024-05-03 01:50:11,810 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/51960e115/179f533c3d8f43eca169c2ca2f7e1741 [2024-05-03 01:50:11,812 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-03 01:50:11,813 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-03 01:50:11,814 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-03 01:50:11,814 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-03 01:50:11,819 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-03 01:50:11,819 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.05 01:50:11" (1/1) ... [2024-05-03 01:50:11,820 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@373d65f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 01:50:11, skipping insertion in model container [2024-05-03 01:50:11,820 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.05 01:50:11" (1/1) ... [2024-05-03 01:50:11,874 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-03 01:50:12,022 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi006_power.oepc.i[994,1007] [2024-05-03 01:50:12,214 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-03 01:50:12,221 INFO L202 MainTranslator]: Completed pre-run [2024-05-03 01:50:12,231 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi006_power.oepc.i[994,1007] [2024-05-03 01:50:12,271 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-03 01:50:12,385 INFO L206 MainTranslator]: Completed translation [2024-05-03 01:50:12,386 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 01:50:12 WrapperNode [2024-05-03 01:50:12,386 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-03 01:50:12,387 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-03 01:50:12,387 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-03 01:50:12,388 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-03 01:50:12,393 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 01:50:12" (1/1) ... [2024-05-03 01:50:12,420 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 01:50:12" (1/1) ... [2024-05-03 01:50:12,437 INFO L138 Inliner]: procedures = 176, calls = 75, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 136 [2024-05-03 01:50:12,437 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-03 01:50:12,438 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-03 01:50:12,438 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-03 01:50:12,438 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-03 01:50:12,444 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 01:50:12" (1/1) ... [2024-05-03 01:50:12,460 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 01:50:12" (1/1) ... [2024-05-03 01:50:12,463 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 01:50:12" (1/1) ... [2024-05-03 01:50:12,463 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 01:50:12" (1/1) ... [2024-05-03 01:50:12,470 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 01:50:12" (1/1) ... [2024-05-03 01:50:12,472 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 01:50:12" (1/1) ... [2024-05-03 01:50:12,474 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 01:50:12" (1/1) ... [2024-05-03 01:50:12,476 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 01:50:12" (1/1) ... [2024-05-03 01:50:12,479 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-03 01:50:12,479 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-03 01:50:12,479 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-03 01:50:12,480 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-03 01:50:12,480 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 01:50:12" (1/1) ... [2024-05-03 01:50:12,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-03 01:50:12,511 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 01:50:12,545 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-05-03 01:50:12,550 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-05-03 01:50:12,581 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-05-03 01:50:12,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-03 01:50:12,581 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-05-03 01:50:12,581 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-03 01:50:12,581 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-03 01:50:12,581 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-03 01:50:12,581 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-05-03 01:50:12,581 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-05-03 01:50:12,581 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-05-03 01:50:12,581 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-05-03 01:50:12,582 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-05-03 01:50:12,582 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-05-03 01:50:12,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-03 01:50:12,582 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-05-03 01:50:12,582 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-03 01:50:12,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-03 01:50:12,590 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-05-03 01:50:12,713 INFO L241 CfgBuilder]: Building ICFG [2024-05-03 01:50:12,714 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-03 01:50:13,098 INFO L282 CfgBuilder]: Performing block encoding [2024-05-03 01:50:13,275 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-03 01:50:13,275 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2024-05-03 01:50:13,276 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.05 01:50:13 BoogieIcfgContainer [2024-05-03 01:50:13,276 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-03 01:50:13,278 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-03 01:50:13,278 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-03 01:50:13,281 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-03 01:50:13,281 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.05 01:50:11" (1/3) ... [2024-05-03 01:50:13,282 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c874f6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.05 01:50:13, skipping insertion in model container [2024-05-03 01:50:13,282 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 01:50:12" (2/3) ... [2024-05-03 01:50:13,282 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c874f6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.05 01:50:13, skipping insertion in model container [2024-05-03 01:50:13,283 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.05 01:50:13" (3/3) ... [2024-05-03 01:50:13,285 INFO L112 eAbstractionObserver]: Analyzing ICFG rfi006_power.oepc.i [2024-05-03 01:50:13,292 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-03 01:50:13,299 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-03 01:50:13,299 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-03 01:50:13,299 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-03 01:50:13,361 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-05-03 01:50:13,400 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-03 01:50:13,400 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-03 01:50:13,400 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 01:50:13,401 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-05-03 01:50:13,403 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-05-03 01:50:13,433 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-03 01:50:13,440 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2024-05-03 01:50:13,447 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@3c32513d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-03 01:50:13,450 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-05-03 01:50:13,458 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 01:50:13,501 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 164 states. [2024-05-03 01:50:13,501 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-03 01:50:13,504 INFO L78 Accepts]: Start accepts. Automaton has currently 166 states, but on-demand construction may add more states Word has length 89 [2024-05-03 01:50:13,506 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 01:50:13,507 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 01:50:13,511 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 01:50:13,512 INFO L85 PathProgramCache]: Analyzing trace with hash -1662955405, now seen corresponding path program 1 times [2024-05-03 01:50:13,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 01:50:13,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953298075] [2024-05-03 01:50:13,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 01:50:13,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 01:50:13,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 01:50:13,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 01:50:13,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 01:50:13,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953298075] [2024-05-03 01:50:13,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [953298075] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-03 01:50:13,747 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-03 01:50:13,747 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-03 01:50:13,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165153136] [2024-05-03 01:50:13,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-03 01:50:13,752 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-05-03 01:50:13,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 01:50:13,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-03 01:50:13,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-05-03 01:50:13,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 01:50:13,779 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 01:50:13,780 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 44.5) internal successors, (89), 2 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-03 01:50:13,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 01:50:13,781 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 01:50:41,957 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 665 states. [2024-05-03 01:50:41,957 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-03 01:50:41,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 01:50:41,958 INFO L78 Accepts]: Start accepts. Automaton has currently 1169 states, but on-demand construction may add more states Word has length 88 [2024-05-03 01:50:41,959 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 01:50:41,959 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-03 01:50:41,959 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 01:50:41,960 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 01:50:41,960 INFO L85 PathProgramCache]: Analyzing trace with hash -2033993251, now seen corresponding path program 1 times [2024-05-03 01:50:41,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 01:50:41,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036030692] [2024-05-03 01:50:41,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 01:50:41,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 01:50:42,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 01:50:42,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 01:50:42,392 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 01:50:42,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2036030692] [2024-05-03 01:50:42,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2036030692] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-03 01:50:42,392 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-03 01:50:42,392 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-03 01:50:42,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296091421] [2024-05-03 01:50:42,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-03 01:50:42,393 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-03 01:50:42,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 01:50:42,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-03 01:50:42,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-03 01:50:42,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 01:50:42,395 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 01:50:42,395 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 6 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-03 01:50:42,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 01:50:42,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 01:50:42,396 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 01:52:59,473 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 2704 states. [2024-05-03 01:52:59,473 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-03 01:52:59,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 01:52:59,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-03 01:52:59,474 INFO L78 Accepts]: Start accepts. Automaton has currently 3712 states, but on-demand construction may add more states Word has length 99 [2024-05-03 01:52:59,474 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 01:52:59,479 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-05-03 01:52:59,479 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 01:52:59,479 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 01:52:59,479 INFO L85 PathProgramCache]: Analyzing trace with hash -1563276286, now seen corresponding path program 1 times [2024-05-03 01:52:59,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 01:52:59,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191068145] [2024-05-03 01:52:59,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 01:52:59,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 01:52:59,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 01:53:02,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 01:53:02,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 01:53:02,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191068145] [2024-05-03 01:53:02,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1191068145] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-03 01:53:02,399 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-03 01:53:02,399 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2024-05-03 01:53:02,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091416175] [2024-05-03 01:53:02,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-03 01:53:02,400 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-05-03 01:53:02,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 01:53:02,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-05-03 01:53:02,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=317, Unknown=0, NotChecked=0, Total=420 [2024-05-03 01:53:02,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 01:53:02,401 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 01:53:02,401 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 4.714285714285714) internal successors, (99), 21 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-03 01:53:02,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 01:53:02,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-03 01:53:02,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 01:53:02,402 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 01:55:40,327 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 4361 states. [2024-05-03 01:55:40,328 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-03 01:55:40,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 01:55:40,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-03 01:55:40,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-05-03 01:55:40,328 INFO L78 Accepts]: Start accepts. Automaton has currently 5929 states, but on-demand construction may add more states Word has length 105 [2024-05-03 01:55:40,329 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 01:55:40,330 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-05-03 01:55:40,330 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 01:55:40,331 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 01:55:40,331 INFO L85 PathProgramCache]: Analyzing trace with hash -959678939, now seen corresponding path program 1 times [2024-05-03 01:55:40,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 01:55:40,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925528475] [2024-05-03 01:55:40,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 01:55:40,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 01:55:40,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 01:55:40,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 01:55:40,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 01:55:40,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1925528475] [2024-05-03 01:55:40,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1925528475] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-03 01:55:40,555 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-03 01:55:40,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-03 01:55:40,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042170966] [2024-05-03 01:55:40,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-03 01:55:40,556 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-03 01:55:40,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 01:55:40,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-03 01:55:40,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-03 01:55:40,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 01:55:40,556 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 01:55:40,557 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.5) internal successors, (105), 6 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-03 01:55:40,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 01:55:40,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-03 01:55:40,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-05-03 01:55:40,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 01:55:40,557 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 02:02:14,314 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 5869 states. [2024-05-03 02:02:14,314 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-03 02:02:14,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 02:02:14,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-03 02:02:14,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-05-03 02:02:14,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-03 02:02:14,317 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-05-03 02:02:14,318 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-05-03 02:02:14,357 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-05-03 02:02:14,358 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION was SAFE (1/4) [2024-05-03 02:02:14,361 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-03 02:02:14,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-03 02:02:14,362 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 02:02:14,398 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-05-03 02:02:14,399 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2024-05-03 02:02:14,421 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-03 02:02:14,421 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2024-05-03 02:02:14,421 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@3c32513d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-03 02:02:14,422 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-05-03 02:02:14,422 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 02:02:16,378 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 113 states. [2024-05-03 02:02:16,378 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-03 02:02:16,379 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2024-05-03 02:02:16,380 INFO L445 BasicCegarLoop]: Path program histogram: [] [2024-05-03 02:02:16,380 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (2/4) [2024-05-03 02:02:16,382 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-03 02:02:16,382 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-03 02:02:16,382 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 02:02:16,384 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-05-03 02:02:16,386 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Waiting until timeout for monitored process [2024-05-03 02:02:16,388 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-03 02:02:16,388 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2024-05-03 02:02:16,389 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@3c32513d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-03 02:02:16,389 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-05-03 02:02:16,389 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 02:02:16,391 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 57 states. [2024-05-03 02:02:16,391 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-03 02:02:16,391 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2024-05-03 02:02:16,392 INFO L445 BasicCegarLoop]: Path program histogram: [] [2024-05-03 02:02:16,392 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (3/4) [2024-05-03 02:02:16,394 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-03 02:02:16,394 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-03 02:02:16,394 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 02:02:16,412 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-05-03 02:02:16,413 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (5)] Waiting until timeout for monitored process [2024-05-03 02:02:16,415 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-03 02:02:16,415 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2024-05-03 02:02:16,416 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@3c32513d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-03 02:02:16,416 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-05-03 02:02:16,416 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 02:02:44,110 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 617 states. [2024-05-03 02:02:44,110 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-03 02:02:44,110 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2024-05-03 02:02:44,113 INFO L445 BasicCegarLoop]: Path program histogram: [] [2024-05-03 02:02:44,113 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (4/4) [2024-05-03 02:02:44,113 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-05-03 02:02:44,113 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-05-03 02:02:44,117 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.05 02:02:44 BasicIcfg [2024-05-03 02:02:44,117 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-05-03 02:02:44,117 INFO L158 Benchmark]: Toolchain (without parser) took 752304.06ms. Allocated memory was 274.7MB in the beginning and 5.0GB in the end (delta: 4.7GB). Free memory was 204.6MB in the beginning and 2.2GB in the end (delta: -2.0GB). Peak memory consumption was 3.5GB. Max. memory is 8.0GB. [2024-05-03 02:02:44,117 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 160.4MB. Free memory is still 98.0MB. There was no memory consumed. Max. memory is 8.0GB. [2024-05-03 02:02:44,117 INFO L158 Benchmark]: CACSL2BoogieTranslator took 572.33ms. Allocated memory is still 274.7MB. Free memory was 204.4MB in the beginning and 239.9MB in the end (delta: -35.5MB). Peak memory consumption was 28.3MB. Max. memory is 8.0GB. [2024-05-03 02:02:44,117 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.28ms. Allocated memory is still 274.7MB. Free memory was 239.9MB in the beginning and 237.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-05-03 02:02:44,118 INFO L158 Benchmark]: Boogie Preprocessor took 41.24ms. Allocated memory is still 274.7MB. Free memory was 237.8MB in the beginning and 235.2MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2024-05-03 02:02:44,118 INFO L158 Benchmark]: RCFGBuilder took 796.52ms. Allocated memory is still 274.7MB. Free memory was 235.2MB in the beginning and 158.1MB in the end (delta: 77.1MB). Peak memory consumption was 76.5MB. Max. memory is 8.0GB. [2024-05-03 02:02:44,118 INFO L158 Benchmark]: TraceAbstraction took 750838.32ms. Allocated memory was 274.7MB in the beginning and 5.0GB in the end (delta: 4.7GB). Free memory was 156.5MB in the beginning and 2.2GB in the end (delta: -2.1GB). Peak memory consumption was 3.5GB. Max. memory is 8.0GB. [2024-05-03 02:02:44,119 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 160.4MB. Free memory is still 98.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 572.33ms. Allocated memory is still 274.7MB. Free memory was 204.4MB in the beginning and 239.9MB in the end (delta: -35.5MB). Peak memory consumption was 28.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 50.28ms. Allocated memory is still 274.7MB. Free memory was 239.9MB in the beginning and 237.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 41.24ms. Allocated memory is still 274.7MB. Free memory was 237.8MB in the beginning and 235.2MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 796.52ms. Allocated memory is still 274.7MB. Free memory was 235.2MB in the beginning and 158.1MB in the end (delta: 77.1MB). Peak memory consumption was 76.5MB. Max. memory is 8.0GB. * TraceAbstraction took 750838.32ms. Allocated memory was 274.7MB in the beginning and 5.0GB in the end (delta: 4.7GB). Free memory was 156.5MB in the beginning and 2.2GB in the end (delta: -2.1GB). Peak memory consumption was 3.5GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 33157, independent: 32541, independent conditional: 32541, independent unconditional: 0, dependent: 286, dependent conditional: 286, dependent unconditional: 0, unknown: 330, unknown conditional: 330, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 33154, independent: 32541, independent conditional: 32541, independent unconditional: 0, dependent: 283, dependent conditional: 283, dependent unconditional: 0, unknown: 330, unknown conditional: 330, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 33154, independent: 32541, independent conditional: 32541, independent unconditional: 0, dependent: 283, dependent conditional: 283, dependent unconditional: 0, unknown: 330, unknown conditional: 330, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 35250, independent: 32541, independent conditional: 0, independent unconditional: 32541, dependent: 1392, dependent conditional: 1109, dependent unconditional: 283, unknown: 1317, unknown conditional: 987, unknown unconditional: 330] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 35250, independent: 32541, independent conditional: 0, independent unconditional: 32541, dependent: 1392, dependent conditional: 0, dependent unconditional: 1392, unknown: 1317, unknown conditional: 0, unknown unconditional: 1317] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 35250, independent: 32541, independent conditional: 0, independent unconditional: 32541, dependent: 1392, dependent conditional: 0, dependent unconditional: 1392, unknown: 1317, unknown conditional: 0, unknown unconditional: 1317] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 33154, independent: 32541, independent conditional: 0, independent unconditional: 32541, dependent: 283, dependent conditional: 0, dependent unconditional: 283, unknown: 330, unknown conditional: 0, unknown unconditional: 330] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 33154, independent: 32399, independent conditional: 0, independent unconditional: 32399, dependent: 755, dependent conditional: 0, dependent unconditional: 755, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 755, independent: 142, independent conditional: 0, independent unconditional: 142, dependent: 283, dependent conditional: 0, dependent unconditional: 283, unknown: 330, unknown conditional: 0, unknown unconditional: 330] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 755, independent: 142, independent conditional: 0, independent unconditional: 142, dependent: 283, dependent conditional: 0, dependent unconditional: 283, unknown: 330, unknown conditional: 0, unknown unconditional: 330] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 755, independent: 142, independent conditional: 0, independent unconditional: 142, dependent: 283, dependent conditional: 0, dependent unconditional: 283, unknown: 330, unknown conditional: 0, unknown unconditional: 330] , SemanticIndependenceRelation.Query Time [ms]: [ total: 11908, independent: 120, independent conditional: 0, independent unconditional: 120, dependent: 3210, dependent conditional: 0, dependent unconditional: 3210, unknown: 8578, unknown conditional: 0, unknown unconditional: 8578] , Protected Queries: 0 ], Cache Queries: [ total: 35250, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1109, dependent conditional: 0, dependent unconditional: 1109, unknown: 34141, unknown conditional: 0, unknown unconditional: 34141] , Statistics on independence cache: Total cache size (in pairs): 32824, Positive cache size: 32541, Positive conditional cache size: 0, Positive unconditional cache size: 32541, Negative cache size: 283, Negative conditional cache size: 0, Negative unconditional cache size: 283, Unknown cache size: 330, Unknown conditional cache size: 0, Unknown unconditional cache size: 330, Eliminated conditions: 2096, Maximal queried relation: 4, Independence queries for same thread: 3 - StatisticsResult: Reduction benchmarks 41.9ms Time before loop, 0.0ms Time in loop, 0.0s Time in total, Has Loop: 0, wrong guesses: 0, overall guesses: 0, Reduction States: 164, Duplicate States: 0, Protected Variables: 0 - StatisticsResult: Reduction benchmarks 28175.8ms Time before loop, 0.0ms Time in loop, 28.2s Time in total, Has Loop: 0, wrong guesses: 0, overall guesses: 0, Reduction States: 665, Duplicate States: 0, Protected Variables: 0 - StatisticsResult: Reduction benchmarks 137077.4ms Time before loop, 0.0ms Time in loop, 137.1s Time in total, Has Loop: 0, wrong guesses: 0, overall guesses: 0, Reduction States: 2704, Duplicate States: 0, Protected Variables: 4 - StatisticsResult: Reduction benchmarks 157925.5ms Time before loop, 0.0ms Time in loop, 157.9s Time in total, Has Loop: 0, wrong guesses: 0, overall guesses: 0, Reduction States: 4361, Duplicate States: 0, Protected Variables: 22 - StatisticsResult: Reduction benchmarks 393756.8ms Time before loop, 0.0ms Time in loop, 393.8s Time in total, Has Loop: 0, wrong guesses: 0, overall guesses: 0, Reduction States: 5869, Duplicate States: 0, Protected Variables: 25 - StatisticsResult: Visitor Statistics States: 90, Transitions: 89, Traversal time: 0.0s - StatisticsResult: Visitor Statistics States: 593, Transitions: 610, Traversal time: 28.2s - StatisticsResult: Visitor Statistics States: 2620, Transitions: 2712, Traversal time: 137.1s - StatisticsResult: Visitor Statistics States: 4278, Transitions: 4399, Traversal time: 157.9s - StatisticsResult: Visitor Statistics States: 5868, Transitions: 6973, Traversal time: 393.8s - StatisticsResult: Proof manager benchmarks IrresponsibleProofs: 3, RedundantProofs: 2, ProvenStates: 9, Times there's more than one choice: 4, Avg number of choices: 1.7777777777777777 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 42, independent: 42, independent conditional: 42, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 42, independent: 42, independent conditional: 42, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 42, independent: 42, independent conditional: 42, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 42, independent: 42, independent conditional: 0, independent unconditional: 42, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 42, independent: 42, independent conditional: 0, independent unconditional: 42, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 42, independent: 42, independent conditional: 0, independent unconditional: 42, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 42, independent: 42, independent conditional: 0, independent unconditional: 42, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 42, independent: 42, independent conditional: 0, independent unconditional: 42, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 42, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 42, unknown conditional: 0, unknown unconditional: 42] , Statistics on independence cache: Total cache size (in pairs): 42, Positive cache size: 42, Positive conditional cache size: 0, Positive unconditional cache size: 42, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 0 - StatisticsResult: Reduction benchmarks 1956.1ms Time before loop, 0.0ms Time in loop, 2.0s Time in total, Has Loop: 0, wrong guesses: 0, overall guesses: 0, Reduction States: 113, Duplicate States: 0, Protected Variables: 0 - StatisticsResult: Visitor Statistics States: 114, Transitions: 113, Traversal time: 2.0s - StatisticsResult: Proof manager benchmarks IrresponsibleProofs: 0, RedundantProofs: 0, ProvenStates: 0, Times there's more than one choice: 0, Avg number of choices: NaN - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: Reduction benchmarks 1.8ms Time before loop, 0.0ms Time in loop, 0.0s Time in total, Has Loop: 0, wrong guesses: 0, overall guesses: 0, Reduction States: 57, Duplicate States: 0, Protected Variables: 0 - StatisticsResult: Visitor Statistics States: 58, Transitions: 57, Traversal time: 0.0s - StatisticsResult: Proof manager benchmarks IrresponsibleProofs: 0, RedundantProofs: 0, ProvenStates: 0, Times there's more than one choice: 0, Avg number of choices: NaN - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 867, independent: 867, independent conditional: 867, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 867, independent: 867, independent conditional: 867, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 867, independent: 867, independent conditional: 867, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 867, independent: 867, independent conditional: 0, independent unconditional: 867, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 867, independent: 867, independent conditional: 0, independent unconditional: 867, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 867, independent: 867, independent conditional: 0, independent unconditional: 867, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 867, independent: 867, independent conditional: 0, independent unconditional: 867, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 867, independent: 867, independent conditional: 0, independent unconditional: 867, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 867, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 867, unknown conditional: 0, unknown unconditional: 867] , Statistics on independence cache: Total cache size (in pairs): 867, Positive cache size: 867, Positive conditional cache size: 0, Positive unconditional cache size: 867, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 0 - StatisticsResult: Reduction benchmarks 27693.7ms Time before loop, 0.0ms Time in loop, 27.7s Time in total, Has Loop: 0, wrong guesses: 0, overall guesses: 0, Reduction States: 617, Duplicate States: 0, Protected Variables: 0 - StatisticsResult: Visitor Statistics States: 618, Transitions: 617, Traversal time: 27.7s - StatisticsResult: Proof manager benchmarks IrresponsibleProofs: 0, RedundantProofs: 0, ProvenStates: 0, Times there's more than one choice: 0, Avg number of choices: NaN - PositiveResult [Line: 19]: 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 error location: ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION with 1 thread instances CFG has 7 procedures, 155 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 720.9s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 717.0s, 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: 58, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.4s InterpolantComputationTime, 381 NumberOfCodeBlocks, 381 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 377 ConstructedInterpolants, 0 QuantifiedInterpolants, 2684 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency: ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES with 1 thread instances CFG has 7 procedures, 155 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 2.0s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 2.0s, 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: 0, 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: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency: ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES with 1 thread instances CFG has 7 procedures, 155 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, 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: 0, 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: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency: ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES with 1 thread instances CFG has 7 procedures, 155 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 27.7s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 27.7s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, 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: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-05-03 02:02:44,144 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (5)] Ended with exit code 0 [2024-05-03 02:02:44,337 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Forceful destruction successful, exit code 0 [2024-05-03 02:02:44,541 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Ended with exit code 0 [2024-05-03 02:02:44,858 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-05-03 02:02:44,943 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...