/usr/bin/java -Xmx7000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe004_power.oepc_pso.oepc_rmo.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.dynamic-abstractions-fffa3fa-m [2023-09-04 22:34:48,209 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-09-04 22:34:48,262 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf [2023-09-04 22:34:48,265 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-09-04 22:34:48,265 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-09-04 22:34:48,265 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-09-04 22:34:48,289 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-09-04 22:34:48,290 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-09-04 22:34:48,290 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-09-04 22:34:48,293 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-09-04 22:34:48,293 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-09-04 22:34:48,293 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-09-04 22:34:48,294 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-09-04 22:34:48,295 INFO L153 SettingsManager]: * Use SBE=true [2023-09-04 22:34:48,295 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-09-04 22:34:48,295 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-09-04 22:34:48,295 INFO L153 SettingsManager]: * sizeof long=4 [2023-09-04 22:34:48,295 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-09-04 22:34:48,295 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-09-04 22:34:48,295 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-09-04 22:34:48,296 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-09-04 22:34:48,296 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-09-04 22:34:48,296 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-09-04 22:34:48,296 INFO L153 SettingsManager]: * sizeof long double=12 [2023-09-04 22:34:48,296 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-09-04 22:34:48,296 INFO L153 SettingsManager]: * Use constant arrays=true [2023-09-04 22:34:48,297 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-09-04 22:34:48,297 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-09-04 22:34:48,297 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-09-04 22:34:48,297 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-09-04 22:34:48,298 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-04 22:34:48,298 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-09-04 22:34:48,298 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-09-04 22:34:48,298 INFO L153 SettingsManager]: * Abstraction for dynamic stratified reduction=VARIABLES_GLOBAL [2023-09-04 22:34:48,298 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-09-04 22:34:48,299 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-09-04 22:34:48,299 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-09-04 22:34:48,299 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-09-04 22:34:48,299 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-09-04 22:34:48,299 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-09-04 22:34:48,300 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=DYNAMIC_ABSTRACTIONS [2023-09-04 22:34:48,300 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/UAutomizer-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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-09-04 22:34:48,479 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-09-04 22:34:48,498 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-09-04 22:34:48,500 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-09-04 22:34:48,501 INFO L270 PluginConnector]: Initializing CDTParser... [2023-09-04 22:34:48,501 INFO L274 PluginConnector]: CDTParser initialized [2023-09-04 22:34:48,502 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe004_power.oepc_pso.oepc_rmo.oepc.i [2023-09-04 22:34:49,448 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-09-04 22:34:49,660 INFO L384 CDTParser]: Found 1 translation units. [2023-09-04 22:34:49,660 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe004_power.oepc_pso.oepc_rmo.oepc.i [2023-09-04 22:34:49,675 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c4b94d31/266e2d833d3648bba054c1a99fe43760/FLAGf38e0d0a2 [2023-09-04 22:34:49,690 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c4b94d31/266e2d833d3648bba054c1a99fe43760 [2023-09-04 22:34:49,694 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-09-04 22:34:49,695 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-09-04 22:34:49,697 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-09-04 22:34:49,697 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-09-04 22:34:49,699 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-09-04 22:34:49,700 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 10:34:49" (1/1) ... [2023-09-04 22:34:49,701 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@409fa8b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:34:49, skipping insertion in model container [2023-09-04 22:34:49,701 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 10:34:49" (1/1) ... [2023-09-04 22:34:49,749 INFO L176 MainTranslator]: Built tables and reachable declarations [2023-09-04 22:34:49,881 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe004_power.oepc_pso.oepc_rmo.oepc.i[970,983] [2023-09-04 22:34:50,054 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-04 22:34:50,065 INFO L201 MainTranslator]: Completed pre-run [2023-09-04 22:34:50,075 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe004_power.oepc_pso.oepc_rmo.oepc.i[970,983] [2023-09-04 22:34:50,090 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [267] [2023-09-04 22:34:50,091 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [267] [2023-09-04 22:34:50,148 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-04 22:34:50,172 WARN L669 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-09-04 22:34:50,173 WARN L669 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-09-04 22:34:50,177 INFO L206 MainTranslator]: Completed translation [2023-09-04 22:34:50,178 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:34:50 WrapperNode [2023-09-04 22:34:50,178 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-09-04 22:34:50,179 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-09-04 22:34:50,179 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-09-04 22:34:50,179 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-09-04 22:34:50,183 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:34:50" (1/1) ... [2023-09-04 22:34:50,209 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:34:50" (1/1) ... [2023-09-04 22:34:50,252 INFO L138 Inliner]: procedures = 176, calls = 54, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 144 [2023-09-04 22:34:50,253 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-09-04 22:34:50,253 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-09-04 22:34:50,253 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-09-04 22:34:50,253 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-09-04 22:34:50,259 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:34:50" (1/1) ... [2023-09-04 22:34:50,259 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:34:50" (1/1) ... [2023-09-04 22:34:50,272 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:34:50" (1/1) ... [2023-09-04 22:34:50,273 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:34:50" (1/1) ... [2023-09-04 22:34:50,278 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:34:50" (1/1) ... [2023-09-04 22:34:50,279 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:34:50" (1/1) ... [2023-09-04 22:34:50,281 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:34:50" (1/1) ... [2023-09-04 22:34:50,282 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:34:50" (1/1) ... [2023-09-04 22:34:50,284 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-09-04 22:34:50,285 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-09-04 22:34:50,285 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-09-04 22:34:50,285 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-09-04 22:34:50,285 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:34:50" (1/1) ... [2023-09-04 22:34:50,298 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-04 22:34:50,307 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-04 22:34:50,319 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-09-04 22:34:50,324 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-09-04 22:34:50,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-09-04 22:34:50,343 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-09-04 22:34:50,343 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-09-04 22:34:50,343 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-09-04 22:34:50,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-09-04 22:34:50,343 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-09-04 22:34:50,344 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-09-04 22:34:50,344 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-09-04 22:34:50,344 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-09-04 22:34:50,344 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-09-04 22:34:50,344 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-09-04 22:34:50,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-09-04 22:34:50,344 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-09-04 22:34:50,344 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-09-04 22:34:50,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-09-04 22:34:50,345 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-09-04 22:34:50,474 INFO L236 CfgBuilder]: Building ICFG [2023-09-04 22:34:50,476 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-09-04 22:34:50,770 INFO L277 CfgBuilder]: Performing block encoding [2023-09-04 22:34:50,886 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-09-04 22:34:50,886 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-09-04 22:34:50,888 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 10:34:50 BoogieIcfgContainer [2023-09-04 22:34:50,888 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-09-04 22:34:50,890 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-09-04 22:34:50,890 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-09-04 22:34:50,893 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-09-04 22:34:50,893 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.09 10:34:49" (1/3) ... [2023-09-04 22:34:50,893 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19b425d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 10:34:50, skipping insertion in model container [2023-09-04 22:34:50,895 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:34:50" (2/3) ... [2023-09-04 22:34:50,895 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19b425d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 10:34:50, skipping insertion in model container [2023-09-04 22:34:50,895 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 10:34:50" (3/3) ... [2023-09-04 22:34:50,896 INFO L112 eAbstractionObserver]: Analyzing ICFG safe004_power.oepc_pso.oepc_rmo.oepc.i [2023-09-04 22:34:50,902 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-09-04 22:34:50,908 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-09-04 22:34:50,908 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-09-04 22:34:50,908 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-09-04 22:34:50,954 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-09-04 22:34:50,986 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-04 22:34:50,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-09-04 22:34:50,986 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-04 22:34:50,989 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-09-04 22:34:50,990 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-09-04 22:34:51,023 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-09-04 22:34:51,028 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-09-04 22:34:51,033 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;@27466a11, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-04 22:34:51,033 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2023-09-04 22:34:51,053 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2023-09-04 22:34:51,056 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-04 22:34:51,056 INFO L85 PathProgramCache]: Analyzing trace with hash 1760721049, now seen corresponding path program 1 times [2023-09-04 22:34:51,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-04 22:34:51,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846270098] [2023-09-04 22:34:51,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-04 22:34:51,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-04 22:34:51,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-04 22:34:51,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-04 22:34:51,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-04 22:34:51,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846270098] [2023-09-04 22:34:51,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [846270098] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-04 22:34:51,462 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-04 22:34:51,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-09-04 22:34:51,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843987152] [2023-09-04 22:34:51,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-04 22:34:51,467 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-09-04 22:34:51,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-04 22:34:51,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-09-04 22:34:51,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-09-04 22:34:51,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-04 22:34:51,483 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-04 22:34:51,484 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 20.5) internal successors, (41), 3 states have internal predecessors, (41), 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) [2023-09-04 22:34:51,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-04 22:34:55,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-04 22:34:55,663 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-09-04 22:34:55,663 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2023-09-04 22:34:55,663 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-04 22:34:55,663 INFO L85 PathProgramCache]: Analyzing trace with hash 403682094, now seen corresponding path program 1 times [2023-09-04 22:34:55,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-04 22:34:55,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301350325] [2023-09-04 22:34:55,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-04 22:34:55,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-04 22:34:55,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-04 22:34:56,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-04 22:34:56,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-04 22:34:56,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301350325] [2023-09-04 22:34:56,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1301350325] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-04 22:34:56,362 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-04 22:34:56,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-09-04 22:34:56,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602832740] [2023-09-04 22:34:56,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-04 22:34:56,363 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-09-04 22:34:56,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-04 22:34:56,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-09-04 22:34:56,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-09-04 22:34:56,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-04 22:34:56,364 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-04 22:34:56,364 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 7 states have internal predecessors, (75), 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) [2023-09-04 22:34:56,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-04 22:34:56,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-04 22:35:22,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-04 22:35:22,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-09-04 22:35:22,057 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-09-04 22:35:22,057 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2023-09-04 22:35:22,058 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-04 22:35:22,058 INFO L85 PathProgramCache]: Analyzing trace with hash -193822862, now seen corresponding path program 1 times [2023-09-04 22:35:22,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-04 22:35:22,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486352092] [2023-09-04 22:35:22,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-04 22:35:22,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-04 22:35:22,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-04 22:35:23,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-04 22:35:23,769 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-04 22:35:23,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1486352092] [2023-09-04 22:35:23,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1486352092] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-04 22:35:23,769 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-04 22:35:23,769 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-09-04 22:35:23,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849402055] [2023-09-04 22:35:23,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-04 22:35:23,770 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-09-04 22:35:23,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-04 22:35:23,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-09-04 22:35:23,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2023-09-04 22:35:23,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-04 22:35:23,770 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-04 22:35:23,771 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.916666666666667) internal successors, (83), 12 states have internal predecessors, (83), 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) [2023-09-04 22:35:23,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-04 22:35:23,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-09-04 22:35:23,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-04 22:35:57,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-04 22:35:57,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-09-04 22:35:57,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-04 22:35:57,899 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-09-04 22:35:57,900 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2023-09-04 22:35:57,900 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-04 22:35:57,900 INFO L85 PathProgramCache]: Analyzing trace with hash -869857777, now seen corresponding path program 1 times [2023-09-04 22:35:57,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-04 22:35:57,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649818034] [2023-09-04 22:35:57,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-04 22:35:57,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-04 22:35:57,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-04 22:35:58,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-04 22:35:58,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-04 22:35:58,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649818034] [2023-09-04 22:35:58,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1649818034] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-04 22:35:58,341 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-04 22:35:58,341 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-09-04 22:35:58,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710053836] [2023-09-04 22:35:58,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-04 22:35:58,342 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-09-04 22:35:58,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-04 22:35:58,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-09-04 22:35:58,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-09-04 22:35:58,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-04 22:35:58,342 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-04 22:35:58,343 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 7 states have internal predecessors, (77), 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) [2023-09-04 22:35:58,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-04 22:35:58,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-09-04 22:35:58,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-09-04 22:35:58,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2023-09-04 22:37:30,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-04 22:37:30,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-09-04 22:37:30,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-09-04 22:37:30,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-09-04 22:37:30,956 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-09-04 22:37:30,956 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2023-09-04 22:37:30,956 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-04 22:37:30,956 INFO L85 PathProgramCache]: Analyzing trace with hash 336718183, now seen corresponding path program 1 times [2023-09-04 22:37:30,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-04 22:37:30,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236501891] [2023-09-04 22:37:30,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-04 22:37:30,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-04 22:37:30,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-04 22:37:32,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-04 22:37:32,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-04 22:37:32,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236501891] [2023-09-04 22:37:32,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1236501891] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-04 22:37:32,078 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-04 22:37:32,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-09-04 22:37:32,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876492485] [2023-09-04 22:37:32,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-04 22:37:32,079 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-09-04 22:37:32,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-04 22:37:32,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-09-04 22:37:32,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2023-09-04 22:37:32,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-04 22:37:32,080 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-04 22:37:32,080 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.3076923076923075) internal successors, (82), 13 states have internal predecessors, (82), 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) [2023-09-04 22:37:32,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-04 22:37:32,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-09-04 22:37:32,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-09-04 22:37:32,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-09-04 22:37:32,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2023-09-04 22:39:20,270 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-09-04 22:39:20,271 WARN L619 AbstractCegarLoop]: Verification canceled: while PolyPacSimplificationTermWalker was simplifying a ∨-2-2-2-4-3-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-13-4-3-4-5-4-5-4-1 context. [2023-09-04 22:39:20,273 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location P0Err0ASSERT_VIOLATIONERROR_FUNCTION (5 of 6 remaining) [2023-09-04 22:39:20,273 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 6 remaining) [2023-09-04 22:39:20,275 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 6 remaining) [2023-09-04 22:39:20,276 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 6 remaining) [2023-09-04 22:39:20,276 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 6 remaining) [2023-09-04 22:39:20,277 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location P0Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 6 remaining) [2023-09-04 22:39:20,289 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-09-04 22:39:20,292 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-09-04 22:39:20,292 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-09-04 22:39:20,294 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.09 10:39:20 BasicIcfg [2023-09-04 22:39:20,295 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-09-04 22:39:20,296 INFO L158 Benchmark]: Toolchain (without parser) took 270600.71ms. Allocated memory was 226.5MB in the beginning and 1.5GB in the end (delta: 1.3GB). Free memory was 175.1MB in the beginning and 938.5MB in the end (delta: -763.3MB). Peak memory consumption was 1.1GB. Max. memory is 7.0GB. [2023-09-04 22:39:20,298 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-09-04 22:39:20,298 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-09-04 22:39:20,299 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 226.5MB. Free memory is still 177.7MB. There was no memory consumed. Max. memory is 7.0GB. [2023-09-04 22:39:20,300 INFO L158 Benchmark]: CACSL2BoogieTranslator took 481.28ms. Allocated memory is still 226.5MB. Free memory was 175.1MB in the beginning and 149.3MB in the end (delta: 25.8MB). Peak memory consumption was 25.2MB. Max. memory is 7.0GB. [2023-09-04 22:39:20,302 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.88ms. Allocated memory is still 226.5MB. Free memory was 149.3MB in the beginning and 197.6MB in the end (delta: -48.3MB). Peak memory consumption was 8.2MB. Max. memory is 7.0GB. [2023-09-04 22:39:20,303 INFO L158 Benchmark]: Boogie Preprocessor took 31.08ms. Allocated memory is still 226.5MB. Free memory was 197.6MB in the beginning and 195.0MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 7.0GB. [2023-09-04 22:39:20,303 INFO L158 Benchmark]: RCFGBuilder took 603.79ms. Allocated memory is still 226.5MB. Free memory was 195.0MB in the beginning and 143.1MB in the end (delta: 51.9MB). Peak memory consumption was 51.4MB. Max. memory is 7.0GB. [2023-09-04 22:39:20,303 INFO L158 Benchmark]: TraceAbstraction took 269404.97ms. Allocated memory was 226.5MB in the beginning and 1.5GB in the end (delta: 1.3GB). Free memory was 142.6MB in the beginning and 938.5MB in the end (delta: -795.9MB). Peak memory consumption was 1.0GB. Max. memory is 7.0GB. [2023-09-04 22:39:20,304 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 226.5MB. Free memory is still 177.7MB. There was no memory consumed. Max. memory is 7.0GB. * CACSL2BoogieTranslator took 481.28ms. Allocated memory is still 226.5MB. Free memory was 175.1MB in the beginning and 149.3MB in the end (delta: 25.8MB). Peak memory consumption was 25.2MB. Max. memory is 7.0GB. * Boogie Procedure Inliner took 73.88ms. Allocated memory is still 226.5MB. Free memory was 149.3MB in the beginning and 197.6MB in the end (delta: -48.3MB). Peak memory consumption was 8.2MB. Max. memory is 7.0GB. * Boogie Preprocessor took 31.08ms. Allocated memory is still 226.5MB. Free memory was 197.6MB in the beginning and 195.0MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 7.0GB. * RCFGBuilder took 603.79ms. Allocated memory is still 226.5MB. Free memory was 195.0MB in the beginning and 143.1MB in the end (delta: 51.9MB). Peak memory consumption was 51.4MB. Max. memory is 7.0GB. * TraceAbstraction took 269404.97ms. Allocated memory was 226.5MB in the beginning and 1.5GB in the end (delta: 1.3GB). Free memory was 142.6MB in the beginning and 938.5MB in the end (delta: -795.9MB). Peak memory consumption was 1.0GB. Max. memory is 7.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 267]: Unsoundness Warning unspecified type, defaulting to int C: short [267] - GenericResultAtLocation [Line: 267]: Unsoundness Warning unspecified type, defaulting to int C: short [267] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 11207, independent: 10985, independent conditional: 10985, independent unconditional: 0, dependent: 180, dependent conditional: 180, dependent unconditional: 0, unknown: 42, unknown conditional: 42, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11197, independent: 10985, independent conditional: 10985, independent unconditional: 0, dependent: 170, dependent conditional: 170, dependent unconditional: 0, unknown: 42, unknown conditional: 42, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 11197, independent: 10985, independent conditional: 10985, independent unconditional: 0, dependent: 170, dependent conditional: 170, dependent unconditional: 0, unknown: 42, unknown conditional: 42, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 12095, independent: 10985, independent conditional: 0, independent unconditional: 10985, dependent: 887, dependent conditional: 717, dependent unconditional: 170, unknown: 223, unknown conditional: 181, unknown unconditional: 42] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 12095, independent: 10985, independent conditional: 0, independent unconditional: 10985, dependent: 887, dependent conditional: 0, dependent unconditional: 887, unknown: 223, unknown conditional: 0, unknown unconditional: 223] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 12095, independent: 10985, independent conditional: 0, independent unconditional: 10985, dependent: 887, dependent conditional: 0, dependent unconditional: 887, unknown: 223, unknown conditional: 0, unknown unconditional: 223] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 11197, independent: 10985, independent conditional: 0, independent unconditional: 10985, dependent: 170, dependent conditional: 0, dependent unconditional: 170, unknown: 42, unknown conditional: 0, unknown unconditional: 42] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 11197, independent: 10910, independent conditional: 0, independent unconditional: 10910, dependent: 287, dependent conditional: 0, dependent unconditional: 287, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 287, independent: 75, independent conditional: 0, independent unconditional: 75, dependent: 170, dependent conditional: 0, dependent unconditional: 170, unknown: 42, unknown conditional: 0, unknown unconditional: 42] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 287, independent: 75, independent conditional: 0, independent unconditional: 75, dependent: 170, dependent conditional: 0, dependent unconditional: 170, unknown: 42, unknown conditional: 0, unknown unconditional: 42] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 287, independent: 75, independent conditional: 0, independent unconditional: 75, dependent: 170, dependent conditional: 0, dependent unconditional: 170, unknown: 42, unknown conditional: 0, unknown unconditional: 42] , SemanticIndependenceRelation.Query Time [ms]: [ total: 59710, independent: 8645, independent conditional: 0, independent unconditional: 8645, dependent: 8567, dependent conditional: 0, dependent unconditional: 8567, unknown: 42498, unknown conditional: 0, unknown unconditional: 42498] , Protected Queries: 0 ], Cache Queries: [ total: 12095, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 717, dependent conditional: 0, dependent unconditional: 717, unknown: 11378, unknown conditional: 0, unknown unconditional: 11378] , Statistics on independence cache: Total cache size (in pairs): 11155, Positive cache size: 10985, Positive conditional cache size: 0, Positive unconditional cache size: 10985, Negative cache size: 170, Negative conditional cache size: 0, Negative unconditional cache size: 170, Unknown cache size: 42, Unknown conditional cache size: 0, Unknown unconditional cache size: 42, Eliminated conditions: 898, Maximal queried relation: 5, Independence queries for same thread: 10 - StatisticsResult: Proof manager benchmarks IrresponsibleProofs: 1 - TimeoutResultAtElement [Line: 18]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PolyPacSimplificationTermWalker was simplifying a ∨-2-2-2-4-3-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-13-4-3-4-5-4-5-4-1 context. - TimeoutResultAtElement [Line: 18]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PolyPacSimplificationTermWalker was simplifying a ∨-2-2-2-4-3-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-13-4-3-4-5-4-5-4-1 context. - TimeoutResultAtElement [Line: 849]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PolyPacSimplificationTermWalker was simplifying a ∨-2-2-2-4-3-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-13-4-3-4-5-4-5-4-1 context. - TimeoutResultAtElement [Line: 847]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PolyPacSimplificationTermWalker was simplifying a ∨-2-2-2-4-3-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-13-4-3-4-5-4-5-4-1 context. - TimeoutResultAtElement [Line: 845]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PolyPacSimplificationTermWalker was simplifying a ∨-2-2-2-4-3-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-13-4-3-4-5-4-5-4-1 context. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 134 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 269.3s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 264.8s, 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: 57, 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, 4.0s InterpolantComputationTime, 358 NumberOfCodeBlocks, 358 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 353 ConstructedInterpolants, 0 QuantifiedInterpolants, 2558 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown