/usr/lib/jvm/java-1.11.0-openjdk-amd64/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/ldv-races/race-2_2-container_of.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.dynamic-abstractions-57af04c-m [2024-01-25 23:03:38,970 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-25 23:03:39,014 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf [2024-01-25 23:03:39,016 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-25 23:03:39,017 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-25 23:03:39,017 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-01-25 23:03:39,028 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-25 23:03:39,029 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-25 23:03:39,029 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-25 23:03:39,029 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-25 23:03:39,030 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-25 23:03:39,030 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-25 23:03:39,030 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-25 23:03:39,031 INFO L153 SettingsManager]: * Use SBE=true [2024-01-25 23:03:39,031 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-25 23:03:39,031 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-25 23:03:39,031 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-25 23:03:39,032 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-25 23:03:39,032 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-25 23:03:39,032 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-25 23:03:39,032 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-25 23:03:39,044 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-25 23:03:39,044 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-25 23:03:39,045 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-25 23:03:39,045 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-25 23:03:39,045 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-25 23:03:39,045 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-25 23:03:39,046 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-25 23:03:39,046 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-01-25 23:03:39,046 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-25 23:03:39,046 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-01-25 23:03:39,047 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-25 23:03:39,047 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-25 23:03:39,047 INFO L153 SettingsManager]: * Abstraction for dynamic stratified reduction=VARIABLES_GLOBAL [2024-01-25 23:03:39,047 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2024-01-25 23:03:39,048 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-25 23:03:39,048 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-25 23:03:39,048 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-25 23:03:39,048 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-01-25 23:03:39,049 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-25 23:03:39,049 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=DYNAMIC_ABSTRACTIONS [2024-01-25 23:03:39,049 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION [2024-01-25 23:03:39,177 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-25 23:03:39,196 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-25 23:03:39,197 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-25 23:03:39,198 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-25 23:03:39,199 INFO L274 PluginConnector]: CDTParser initialized [2024-01-25 23:03:39,199 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/ldv-races/race-2_2-container_of.i [2024-01-25 23:03:40,207 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-25 23:03:40,461 INFO L384 CDTParser]: Found 1 translation units. [2024-01-25 23:03:40,461 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_2-container_of.i [2024-01-25 23:03:40,492 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/4e22c15a6/6491a43f2f074b96a5862a0ebcf904db/FLAGf55fb717b [2024-01-25 23:03:40,504 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/4e22c15a6/6491a43f2f074b96a5862a0ebcf904db [2024-01-25 23:03:40,505 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-25 23:03:40,506 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-25 23:03:40,507 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-25 23:03:40,507 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-25 23:03:40,510 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-25 23:03:40,511 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.01 11:03:40" (1/1) ... [2024-01-25 23:03:40,511 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d9f21ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 11:03:40, skipping insertion in model container [2024-01-25 23:03:40,511 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.01 11:03:40" (1/1) ... [2024-01-25 23:03:40,571 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-25 23:03:40,830 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_2-container_of.i[186287,186300] [2024-01-25 23:03:40,866 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-25 23:03:40,878 INFO L202 MainTranslator]: Completed pre-run [2024-01-25 23:03:40,911 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_2-container_of.i[186287,186300] [2024-01-25 23:03:40,927 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-25 23:03:40,965 INFO L206 MainTranslator]: Completed translation [2024-01-25 23:03:40,966 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 11:03:40 WrapperNode [2024-01-25 23:03:40,966 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-25 23:03:40,967 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-25 23:03:40,967 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-25 23:03:40,967 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-25 23:03:40,972 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 11:03:40" (1/1) ... [2024-01-25 23:03:40,996 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 11:03:40" (1/1) ... [2024-01-25 23:03:41,018 INFO L138 Inliner]: procedures = 246, calls = 47, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 116 [2024-01-25 23:03:41,019 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-25 23:03:41,019 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-25 23:03:41,019 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-25 23:03:41,019 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-25 23:03:41,025 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 11:03:40" (1/1) ... [2024-01-25 23:03:41,025 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 11:03:40" (1/1) ... [2024-01-25 23:03:41,039 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 11:03:40" (1/1) ... [2024-01-25 23:03:41,040 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 11:03:40" (1/1) ... [2024-01-25 23:03:41,047 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 11:03:40" (1/1) ... [2024-01-25 23:03:41,048 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 11:03:40" (1/1) ... [2024-01-25 23:03:41,050 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 11:03:40" (1/1) ... [2024-01-25 23:03:41,051 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 11:03:40" (1/1) ... [2024-01-25 23:03:41,069 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-25 23:03:41,070 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-25 23:03:41,070 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-25 23:03:41,070 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-25 23:03:41,071 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 11:03:40" (1/1) ... [2024-01-25 23:03:41,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-01-25 23:03:41,092 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-25 23:03:41,129 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) [2024-01-25 23:03:41,147 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 [2024-01-25 23:03:41,152 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2024-01-25 23:03:41,152 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2024-01-25 23:03:41,152 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-01-25 23:03:41,152 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-25 23:03:41,152 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-25 23:03:41,152 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-01-25 23:03:41,152 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-01-25 23:03:41,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-01-25 23:03:41,152 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-25 23:03:41,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-01-25 23:03:41,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-01-25 23:03:41,153 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-25 23:03:41,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-25 23:03:41,154 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-01-25 23:03:41,351 INFO L241 CfgBuilder]: Building ICFG [2024-01-25 23:03:41,352 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-25 23:03:41,537 INFO L282 CfgBuilder]: Performing block encoding [2024-01-25 23:03:41,565 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-25 23:03:41,565 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2024-01-25 23:03:41,567 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.01 11:03:41 BoogieIcfgContainer [2024-01-25 23:03:41,567 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-25 23:03:41,569 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-25 23:03:41,569 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-25 23:03:41,571 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-25 23:03:41,571 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.01 11:03:40" (1/3) ... [2024-01-25 23:03:41,572 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f448577 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.01 11:03:41, skipping insertion in model container [2024-01-25 23:03:41,572 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 11:03:40" (2/3) ... [2024-01-25 23:03:41,572 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f448577 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.01 11:03:41, skipping insertion in model container [2024-01-25 23:03:41,572 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.01 11:03:41" (3/3) ... [2024-01-25 23:03:41,573 INFO L112 eAbstractionObserver]: Analyzing ICFG race-2_2-container_of.i [2024-01-25 23:03:41,579 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-01-25 23:03:41,592 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-25 23:03:41,593 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-01-25 23:03:41,593 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-25 23:03:41,638 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-01-25 23:03:41,668 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-25 23:03:41,668 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-01-25 23:03:41,669 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-25 23:03:41,674 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) [2024-01-25 23:03:41,676 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 [2024-01-25 23:03:41,703 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-01-25 23:03:41,712 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION ======== [2024-01-25 23:03:41,717 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;@2ff71571, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-25 23:03:41,718 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-01-25 23:03:41,757 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-25 23:03:41,760 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-25 23:03:41,760 INFO L85 PathProgramCache]: Analyzing trace with hash -1589832352, now seen corresponding path program 1 times [2024-01-25 23:03:41,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-25 23:03:41,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557927148] [2024-01-25 23:03:41,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-25 23:03:41,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-25 23:03:41,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-25 23:03:42,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-25 23:03:42,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-25 23:03:42,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557927148] [2024-01-25 23:03:42,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1557927148] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-25 23:03:42,519 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-25 23:03:42,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-01-25 23:03:42,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220646408] [2024-01-25 23:03:42,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-25 23:03:42,524 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-01-25 23:03:42,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-25 23:03:42,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-01-25 23:03:42,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-01-25 23:03:42,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-25 23:03:42,543 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-25 23:03:42,545 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 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) [2024-01-25 23:03:42,545 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 [2024-01-25 23:06:11,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-01-25 23:06:11,683 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-01-25 23:06:11,684 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-25 23:06:11,685 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-25 23:06:11,685 INFO L85 PathProgramCache]: Analyzing trace with hash 331150198, now seen corresponding path program 1 times [2024-01-25 23:06:11,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-25 23:06:11,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [963070548] [2024-01-25 23:06:11,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-25 23:06:11,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-25 23:06:11,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-25 23:06:11,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-25 23:06:11,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-25 23:06:11,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [963070548] [2024-01-25 23:06:11,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [963070548] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-25 23:06:11,809 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-25 23:06:11,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-01-25 23:06:11,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852701578] [2024-01-25 23:06:11,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-25 23:06:11,810 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-01-25 23:06:11,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-25 23:06:11,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-01-25 23:06:11,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-01-25 23:06:11,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-25 23:06:11,825 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-25 23:06:11,826 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 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) [2024-01-25 23:06:11,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-01-25 23:06:11,826 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 [2024-01-25 23:09:07,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-01-25 23:09:07,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-01-25 23:09:07,704 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-01-25 23:09:07,704 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-01-25 23:09:07,723 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2024-01-25 23:09:07,724 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION was SAFE (1/6) [2024-01-25 23:09:07,727 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-25 23:09:07,728 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-01-25 23:09:07,728 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-25 23:09:07,762 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) [2024-01-25 23:09:07,767 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 [2024-01-25 23:09:07,781 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-01-25 23:09:07,782 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION ======== [2024-01-25 23:09:07,782 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;@2ff71571, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-25 23:09:07,782 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. Found a loop, use abstraction hammer [2024-01-25 23:09:07,794 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-25 23:09:07,795 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-25 23:09:07,795 INFO L85 PathProgramCache]: Analyzing trace with hash -1352560476, now seen corresponding path program 1 times [2024-01-25 23:09:07,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-25 23:09:07,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836698203] [2024-01-25 23:09:07,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-25 23:09:07,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-25 23:09:07,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-25 23:09:07,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-25 23:09:07,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-25 23:09:07,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [836698203] [2024-01-25 23:09:07,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [836698203] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-25 23:09:07,840 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-25 23:09:07,840 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-25 23:09:07,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490334503] [2024-01-25 23:09:07,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-25 23:09:07,840 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-01-25 23:09:07,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-25 23:09:07,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-01-25 23:09:07,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-01-25 23:09:07,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-25 23:09:07,841 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-25 23:09:07,841 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 32.0) internal successors, (64), 2 states have internal predecessors, (64), 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) [2024-01-25 23:09:07,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-25 23:09:07,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-25 23:09:07,847 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-01-25 23:09:07,847 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-25 23:09:07,849 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-25 23:09:07,849 INFO L85 PathProgramCache]: Analyzing trace with hash -1030507438, now seen corresponding path program 1 times [2024-01-25 23:09:07,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-25 23:09:07,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352782262] [2024-01-25 23:09:07,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-25 23:09:07,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-25 23:09:07,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-25 23:09:07,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-25 23:09:07,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-25 23:09:07,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352782262] [2024-01-25 23:09:07,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [352782262] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-25 23:09:07,984 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-25 23:09:07,984 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-01-25 23:09:07,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867843848] [2024-01-25 23:09:07,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-25 23:09:07,985 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-01-25 23:09:07,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-25 23:09:07,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-01-25 23:09:07,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-01-25 23:09:07,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-25 23:09:07,988 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-25 23:09:07,988 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 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) [2024-01-25 23:09:07,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-25 23:09:07,991 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 [2024-01-25 23:10:07,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-25 23:10:07,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-01-25 23:10:07,949 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-01-25 23:10:07,950 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-25 23:10:07,950 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-25 23:10:07,950 INFO L85 PathProgramCache]: Analyzing trace with hash 118669376, now seen corresponding path program 1 times [2024-01-25 23:10:07,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-25 23:10:07,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481938268] [2024-01-25 23:10:07,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-25 23:10:07,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-25 23:10:07,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-25 23:10:08,018 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-25 23:10:08,018 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-25 23:10:08,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1481938268] [2024-01-25 23:10:08,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1481938268] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-25 23:10:08,019 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-25 23:10:08,019 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-01-25 23:10:08,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422731328] [2024-01-25 23:10:08,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-25 23:10:08,020 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-01-25 23:10:08,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-25 23:10:08,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-01-25 23:10:08,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-01-25 23:10:08,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-25 23:10:08,020 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-25 23:10:08,021 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 5 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) [2024-01-25 23:10:08,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-25 23:10:08,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-01-25 23:10:08,021 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 [2024-01-25 23:13:19,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-25 23:13:19,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-01-25 23:13:19,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-01-25 23:13:19,555 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-01-25 23:13:19,555 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-01-25 23:13:19,560 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-01-25 23:13:19,561 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION was SAFE (2/6) [2024-01-25 23:13:19,563 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-25 23:13:19,563 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-01-25 23:13:19,563 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-25 23:13:19,572 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) [2024-01-25 23:13:19,573 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 [2024-01-25 23:13:19,581 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-01-25 23:13:19,582 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2024-01-25 23:13:19,582 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;@2ff71571, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-25 23:13:19,582 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-01-25 23:13:19,592 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-25 23:13:19,592 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-25 23:13:19,593 INFO L85 PathProgramCache]: Analyzing trace with hash 1366253049, now seen corresponding path program 1 times [2024-01-25 23:13:19,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-25 23:13:19,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028440824] [2024-01-25 23:13:19,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-25 23:13:19,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-25 23:13:19,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-25 23:13:21,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-25 23:13:21,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-25 23:13:21,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028440824] [2024-01-25 23:13:21,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2028440824] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-25 23:13:21,631 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-25 23:13:21,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2024-01-25 23:13:21,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629800727] [2024-01-25 23:13:21,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-25 23:13:21,632 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-01-25 23:13:21,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-25 23:13:21,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-01-25 23:13:21,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2024-01-25 23:13:21,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-25 23:13:21,633 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-25 23:13:21,633 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 5.3) internal successors, (106), 20 states have internal predecessors, (106), 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) [2024-01-25 23:13:21,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-25 23:13:22,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-01-25 23:13:22,882 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-01-25 23:13:22,882 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-25 23:13:22,882 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-25 23:13:22,882 INFO L85 PathProgramCache]: Analyzing trace with hash -131954747, now seen corresponding path program 2 times [2024-01-25 23:13:22,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-25 23:13:22,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128491] [2024-01-25 23:13:22,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-25 23:13:22,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-25 23:13:22,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-25 23:13:25,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-25 23:13:25,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-25 23:13:25,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128491] [2024-01-25 23:13:25,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [128491] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-25 23:13:25,111 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-25 23:13:25,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2024-01-25 23:13:25,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267275611] [2024-01-25 23:13:25,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-25 23:13:25,111 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-01-25 23:13:25,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-25 23:13:25,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-01-25 23:13:25,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=637, Unknown=0, NotChecked=0, Total=702 [2024-01-25 23:13:25,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-25 23:13:25,112 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-25 23:13:25,112 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 3.925925925925926) internal successors, (106), 27 states have internal predecessors, (106), 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) [2024-01-25 23:13:25,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-01-25 23:13:25,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Received shutdown request... [2024-01-25 23:18:05,507 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-01-25 23:18:05,507 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-01-25 23:18:05,507 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-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 [2024-01-25 23:18:05,508 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-01-25 23:18:05,690 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-01-25 23:18:05,691 WARN L619 AbstractCegarLoop]: Verification canceled: while QuantifierPusher was running 1 iterations on subformula. [2024-01-25 23:18:05,691 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-01-25 23:18:05,693 INFO L445 BasicCegarLoop]: Path program histogram: [2] [2024-01-25 23:18:05,693 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION was TIMEOUT (3/6) [2024-01-25 23:18:05,694 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-01-25 23:18:05,694 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-01-25 23:18:05,696 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.01 11:18:05 BasicIcfg [2024-01-25 23:18:05,696 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-01-25 23:18:05,697 INFO L158 Benchmark]: Toolchain (without parser) took 865190.76ms. Allocated memory was 359.7MB in the beginning and 1.1GB in the end (delta: 727.7MB). Free memory was 310.4MB in the beginning and 402.4MB in the end (delta: -92.1MB). Peak memory consumption was 845.9MB. Max. memory is 8.0GB. [2024-01-25 23:18:05,697 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 213.9MB. Free memory was 161.3MB in the beginning and 161.1MB in the end (delta: 172.0kB). There was no memory consumed. Max. memory is 8.0GB. [2024-01-25 23:18:05,697 INFO L158 Benchmark]: CACSL2BoogieTranslator took 459.43ms. Allocated memory is still 359.7MB. Free memory was 309.9MB in the beginning and 275.7MB in the end (delta: 34.1MB). Peak memory consumption was 34.6MB. Max. memory is 8.0GB. [2024-01-25 23:18:05,697 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.03ms. Allocated memory is still 359.7MB. Free memory was 275.7MB in the beginning and 273.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-01-25 23:18:05,698 INFO L158 Benchmark]: Boogie Preprocessor took 50.24ms. Allocated memory is still 359.7MB. Free memory was 273.2MB in the beginning and 270.6MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2024-01-25 23:18:05,698 INFO L158 Benchmark]: RCFGBuilder took 497.31ms. Allocated memory is still 359.7MB. Free memory was 270.6MB in the beginning and 245.9MB in the end (delta: 24.6MB). Peak memory consumption was 24.1MB. Max. memory is 8.0GB. [2024-01-25 23:18:05,698 INFO L158 Benchmark]: TraceAbstraction took 864127.48ms. Allocated memory was 359.7MB in the beginning and 1.1GB in the end (delta: 727.7MB). Free memory was 245.4MB in the beginning and 402.4MB in the end (delta: -157.0MB). Peak memory consumption was 780.9MB. Max. memory is 8.0GB. [2024-01-25 23:18:05,699 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 213.9MB. Free memory was 161.3MB in the beginning and 161.1MB in the end (delta: 172.0kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 459.43ms. Allocated memory is still 359.7MB. Free memory was 309.9MB in the beginning and 275.7MB in the end (delta: 34.1MB). Peak memory consumption was 34.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 52.03ms. Allocated memory is still 359.7MB. Free memory was 275.7MB in the beginning and 273.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 50.24ms. Allocated memory is still 359.7MB. Free memory was 273.2MB in the beginning and 270.6MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 497.31ms. Allocated memory is still 359.7MB. Free memory was 270.6MB in the beginning and 245.9MB in the end (delta: 24.6MB). Peak memory consumption was 24.1MB. Max. memory is 8.0GB. * TraceAbstraction took 864127.48ms. Allocated memory was 359.7MB in the beginning and 1.1GB in the end (delta: 727.7MB). Free memory was 245.4MB in the beginning and 402.4MB in the end (delta: -157.0MB). Peak memory consumption was 780.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 23344, independent: 23142, independent conditional: 23142, independent unconditional: 0, dependent: 184, dependent conditional: 184, dependent unconditional: 0, unknown: 18, unknown conditional: 18, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 23290, independent: 23142, independent conditional: 23142, independent unconditional: 0, dependent: 130, dependent conditional: 130, dependent unconditional: 0, unknown: 18, unknown conditional: 18, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 23290, independent: 23142, independent conditional: 23142, independent unconditional: 0, dependent: 130, dependent conditional: 130, dependent unconditional: 0, unknown: 18, unknown conditional: 18, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 23528, independent: 23142, independent conditional: 0, independent unconditional: 23142, dependent: 338, dependent conditional: 208, dependent unconditional: 130, unknown: 48, unknown conditional: 30, unknown unconditional: 18] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 23528, independent: 23142, independent conditional: 0, independent unconditional: 23142, dependent: 338, dependent conditional: 0, dependent unconditional: 338, unknown: 48, unknown conditional: 0, unknown unconditional: 48] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 23528, independent: 23142, independent conditional: 0, independent unconditional: 23142, dependent: 338, dependent conditional: 0, dependent unconditional: 338, unknown: 48, unknown conditional: 0, unknown unconditional: 48] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 23290, independent: 23142, independent conditional: 0, independent unconditional: 23142, dependent: 130, dependent conditional: 0, dependent unconditional: 130, unknown: 18, unknown conditional: 0, unknown unconditional: 18] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 23290, independent: 23108, independent conditional: 0, independent unconditional: 23108, dependent: 182, dependent conditional: 0, dependent unconditional: 182, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 182, independent: 34, independent conditional: 0, independent unconditional: 34, dependent: 130, dependent conditional: 0, dependent unconditional: 130, unknown: 18, unknown conditional: 0, unknown unconditional: 18] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 182, independent: 34, independent conditional: 0, independent unconditional: 34, dependent: 130, dependent conditional: 0, dependent unconditional: 130, unknown: 18, unknown conditional: 0, unknown unconditional: 18] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 182, independent: 34, independent conditional: 0, independent unconditional: 34, dependent: 130, dependent conditional: 0, dependent unconditional: 130, unknown: 18, unknown conditional: 0, unknown unconditional: 18] , SemanticIndependenceRelation.Query Time [ms]: [ total: 116372, independent: 416, independent conditional: 0, independent unconditional: 416, dependent: 96834, dependent conditional: 0, dependent unconditional: 96834, unknown: 19122, unknown conditional: 0, unknown unconditional: 19122] , Protected Queries: 0 ], Cache Queries: [ total: 23528, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 208, dependent conditional: 0, dependent unconditional: 208, unknown: 23320, unknown conditional: 0, unknown unconditional: 23320] , Statistics on independence cache: Total cache size (in pairs): 23272, Positive cache size: 23142, Positive conditional cache size: 0, Positive unconditional cache size: 23142, Negative cache size: 130, Negative conditional cache size: 0, Negative unconditional cache size: 130, Unknown cache size: 18, Unknown conditional cache size: 0, Unknown unconditional cache size: 18, Eliminated conditions: 238, Maximal queried relation: 2, Independence queries for same thread: 54 - StatisticsResult: Proof manager benchmarks IrresponsibleProofs: 0, RedundantProofs: 0, ProvenStates: 76, Times there's more than one choice: 32, Avg number of choices: 1.4210526315789473 - StatisticsResult: Reduction benchmarks 1.1s Time before loop, 174.8s Time in loop, 175.9s Time in total, Has Loop: true, Protected Variables: [ULTIMATE.start_main_#t~mem19#1, ULTIMATE.start_main_~#data~1#1.base, ULTIMATE.start_ldv_assert_#in~expression#1, ULTIMATE.start_main_#t~ret16#1, ULTIMATE.start_main_~probe_ret~0#1, ULTIMATE.start_my_drv_probe_#res#1, ULTIMATE.start_ldv_assert_~expression#1, ULTIMATE.start_main_~#data~1#1.offset, #memory_int], Protected Variables before encountering a loop: [ULTIMATE.start_main_#t~mem19#1, ULTIMATE.start_main_~#data~1#1.base, ULTIMATE.start_ldv_assert_#in~expression#1, ULTIMATE.start_ldv_assert_~expression#1, ULTIMATE.start_main_~#data~1#1.offset, #memory_int] - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 19655, independent: 19453, independent conditional: 19453, independent unconditional: 0, dependent: 171, dependent conditional: 171, dependent unconditional: 0, unknown: 31, unknown conditional: 31, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 19574, independent: 19453, independent conditional: 19453, independent unconditional: 0, dependent: 90, dependent conditional: 90, dependent unconditional: 0, unknown: 31, unknown conditional: 31, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 19574, independent: 19453, independent conditional: 19453, independent unconditional: 0, dependent: 90, dependent conditional: 90, dependent unconditional: 0, unknown: 31, unknown conditional: 31, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 19906, independent: 19453, independent conditional: 0, independent unconditional: 19453, dependent: 334, dependent conditional: 244, dependent unconditional: 90, unknown: 119, unknown conditional: 88, unknown unconditional: 31] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 19906, independent: 19453, independent conditional: 0, independent unconditional: 19453, dependent: 334, dependent conditional: 0, dependent unconditional: 334, unknown: 119, unknown conditional: 0, unknown unconditional: 119] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 19906, independent: 19453, independent conditional: 0, independent unconditional: 19453, dependent: 334, dependent conditional: 0, dependent unconditional: 334, unknown: 119, unknown conditional: 0, unknown unconditional: 119] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 19574, independent: 19453, independent conditional: 0, independent unconditional: 19453, dependent: 90, dependent conditional: 0, dependent unconditional: 90, unknown: 31, unknown conditional: 0, unknown unconditional: 31] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 19574, independent: 19428, independent conditional: 0, independent unconditional: 19428, dependent: 146, dependent conditional: 0, dependent unconditional: 146, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 146, independent: 25, independent conditional: 0, independent unconditional: 25, dependent: 90, dependent conditional: 0, dependent unconditional: 90, unknown: 31, unknown conditional: 0, unknown unconditional: 31] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 146, independent: 25, independent conditional: 0, independent unconditional: 25, dependent: 90, dependent conditional: 0, dependent unconditional: 90, unknown: 31, unknown conditional: 0, unknown unconditional: 31] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 146, independent: 25, independent conditional: 0, independent unconditional: 25, dependent: 90, dependent conditional: 0, dependent unconditional: 90, unknown: 31, unknown conditional: 0, unknown unconditional: 31] , SemanticIndependenceRelation.Query Time [ms]: [ total: 104611, independent: 394, independent conditional: 0, independent unconditional: 394, dependent: 71562, dependent conditional: 0, dependent unconditional: 71562, unknown: 32654, unknown conditional: 0, unknown unconditional: 32654] , Protected Queries: 0 ], Cache Queries: [ total: 19906, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 244, dependent conditional: 0, dependent unconditional: 244, unknown: 19662, unknown conditional: 0, unknown unconditional: 19662] , Statistics on independence cache: Total cache size (in pairs): 19543, Positive cache size: 19453, Positive conditional cache size: 0, Positive unconditional cache size: 19453, Negative cache size: 90, Negative conditional cache size: 0, Negative unconditional cache size: 90, Unknown cache size: 31, Unknown conditional cache size: 0, Unknown unconditional cache size: 31, Eliminated conditions: 332, Maximal queried relation: 3, Independence queries for same thread: 81 - StatisticsResult: Proof manager benchmarks IrresponsibleProofs: 1, RedundantProofs: 1, ProvenStates: 102, Times there's more than one choice: 72, Avg number of choices: 2.1862745098039214 - StatisticsResult: Reduction benchmarks 0.0s Time before loop, 191.5s Time in loop, 191.5s Time in total, Has Loop: true, Protected Variables: [ULTIMATE.start_main_~#data~1#1.base, ULTIMATE.start_main_#t~mem20#1, ULTIMATE.start_ldv_assert_#in~expression#1, ULTIMATE.start_main_#t~ret16#1, ULTIMATE.start_main_~probe_ret~0#1, ULTIMATE.start_my_drv_probe_#res#1, ULTIMATE.start_ldv_assert_~expression#1, ULTIMATE.start_main_~#data~1#1.offset, #memory_int], Protected Variables before encountering a loop: [] - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 14999, independent: 14871, independent conditional: 14871, independent unconditional: 0, dependent: 111, dependent conditional: 111, dependent unconditional: 0, unknown: 17, unknown conditional: 17, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 14993, independent: 14871, independent conditional: 14871, independent unconditional: 0, dependent: 105, dependent conditional: 105, dependent unconditional: 0, unknown: 17, unknown conditional: 17, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 14993, independent: 14871, independent conditional: 14871, independent unconditional: 0, dependent: 105, dependent conditional: 105, dependent unconditional: 0, unknown: 17, unknown conditional: 17, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 15236, independent: 14871, independent conditional: 0, independent unconditional: 14871, dependent: 314, dependent conditional: 209, dependent unconditional: 105, unknown: 51, unknown conditional: 34, unknown unconditional: 17] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 15236, independent: 14871, independent conditional: 0, independent unconditional: 14871, dependent: 314, dependent conditional: 0, dependent unconditional: 314, unknown: 51, unknown conditional: 0, unknown unconditional: 51] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 15236, independent: 14871, independent conditional: 0, independent unconditional: 14871, dependent: 314, dependent conditional: 0, dependent unconditional: 314, unknown: 51, unknown conditional: 0, unknown unconditional: 51] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 14993, independent: 14871, independent conditional: 0, independent unconditional: 14871, dependent: 105, dependent conditional: 0, dependent unconditional: 105, unknown: 17, unknown conditional: 0, unknown unconditional: 17] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 14993, independent: 14852, independent conditional: 0, independent unconditional: 14852, dependent: 141, dependent conditional: 0, dependent unconditional: 141, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 141, independent: 19, independent conditional: 0, independent unconditional: 19, dependent: 105, dependent conditional: 0, dependent unconditional: 105, unknown: 17, unknown conditional: 0, unknown unconditional: 17] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 141, independent: 19, independent conditional: 0, independent unconditional: 19, dependent: 105, dependent conditional: 0, dependent unconditional: 105, unknown: 17, unknown conditional: 0, unknown unconditional: 17] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 141, independent: 19, independent conditional: 0, independent unconditional: 19, dependent: 105, dependent conditional: 0, dependent unconditional: 105, unknown: 17, unknown conditional: 0, unknown unconditional: 17] , SemanticIndependenceRelation.Query Time [ms]: [ total: 68436, independent: 200, independent conditional: 0, independent unconditional: 200, dependent: 50373, dependent conditional: 0, dependent unconditional: 50373, unknown: 17863, unknown conditional: 0, unknown unconditional: 17863] , Protected Queries: 0 ], Cache Queries: [ total: 15236, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 209, dependent conditional: 0, dependent unconditional: 209, unknown: 15027, unknown conditional: 0, unknown unconditional: 15027] , Statistics on independence cache: Total cache size (in pairs): 14976, Positive cache size: 14871, Positive conditional cache size: 0, Positive unconditional cache size: 14871, Negative cache size: 105, Negative conditional cache size: 0, Negative unconditional cache size: 105, Unknown cache size: 17, Unknown conditional cache size: 0, Unknown unconditional cache size: 17, Eliminated conditions: 243, Maximal queried relation: 2, Independence queries for same thread: 6 - StatisticsResult: Proof manager benchmarks IrresponsibleProofs: 0, RedundantProofs: 0, ProvenStates: 17, Times there's more than one choice: 3, Avg number of choices: 1.1764705882352942 - StatisticsResult: Reduction benchmarks 1.2s Time before loop, 0.0s Time in loop, 1.2s Time in total, Has Loop: false, Protected Variables: [ULTIMATE.start_my_drv_probe_#in~data#1.offset, my_callbackThread1of1ForFork1_~arg.base, ULTIMATE.start_main_#t~mem17#1, ULTIMATE.start_main_~#data~1#1.base, my_callbackThread1of1ForFork1_#in~arg.base, ULTIMATE.start_ldv_assert_#in~expression#1, my_callbackThread1of1ForFork1_~data~0.base, my_callbackThread1of1ForFork1_~__mptr~0.base, ULTIMATE.start_my_drv_disconnect_~#status~0#1.base, ULTIMATE.start_my_drv_probe_#in~data#1.base, my_callbackThread1of1ForFork1_#in~arg.offset, my_callbackThread1of1ForFork1_#t~nondet4.base, ULTIMATE.start_my_drv_probe_~data#1.offset, my_callbackThread1of1ForFork1_~data~0.offset, ULTIMATE.start_my_drv_probe_~d~0#1.base, #valid, my_callbackThread1of1ForFork1_~arg.offset, my_callbackThread1of1ForFork1_~dev~0.base, ULTIMATE.start_my_drv_probe_~data#1.base, my_callbackThread1of1ForFork1_~__mptr~0.offset, ULTIMATE.start_ldv_assert_~expression#1, my_callbackThread1of1ForFork1_#t~nondet4.offset, my_callbackThread1of1ForFork1_~dev~0.offset, ULTIMATE.start_my_drv_probe_~d~0#1.offset, ULTIMATE.start_main_~#data~1#1.offset, #memory_int], Protected Variables before encountering a loop: [ULTIMATE.start_my_drv_probe_#in~data#1.offset, my_callbackThread1of1ForFork1_~arg.base, ULTIMATE.start_main_#t~mem17#1, ULTIMATE.start_main_~#data~1#1.base, my_callbackThread1of1ForFork1_#in~arg.base, ULTIMATE.start_ldv_assert_#in~expression#1, my_callbackThread1of1ForFork1_~data~0.base, my_callbackThread1of1ForFork1_~__mptr~0.base, ULTIMATE.start_my_drv_disconnect_~#status~0#1.base, ULTIMATE.start_my_drv_probe_#in~data#1.base, my_callbackThread1of1ForFork1_#in~arg.offset, my_callbackThread1of1ForFork1_#t~nondet4.base, ULTIMATE.start_my_drv_probe_~data#1.offset, my_callbackThread1of1ForFork1_~data~0.offset, ULTIMATE.start_my_drv_probe_~d~0#1.base, #valid, my_callbackThread1of1ForFork1_~arg.offset, my_callbackThread1of1ForFork1_~dev~0.base, ULTIMATE.start_my_drv_probe_~data#1.base, my_callbackThread1of1ForFork1_~__mptr~0.offset, ULTIMATE.start_ldv_assert_~expression#1, my_callbackThread1of1ForFork1_#t~nondet4.offset, my_callbackThread1of1ForFork1_~dev~0.offset, ULTIMATE.start_my_drv_probe_~d~0#1.offset, ULTIMATE.start_main_~#data~1#1.offset, #memory_int] - PositiveResult [Line: 3887]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 3887]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - TimeoutResultAtElement [Line: 3887]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while QuantifierPusher was running 1 iterations on subformula. - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION with 1 thread instances CFG has 4 procedures, 175 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 326.0s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 325.1s, 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: 18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 129 NumberOfCodeBlocks, 129 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 127 ConstructedInterpolants, 0 QuantifiedInterpolants, 174 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 error location: ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION with 1 thread instances CFG has 4 procedures, 175 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 251.8s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 251.5s, 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: 20, 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, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 209 NumberOfCodeBlocks, 209 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 206 ConstructedInterpolants, 0 QuantifiedInterpolants, 323 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 error location: ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION with 1 thread instances CFG has 4 procedures, 175 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 286.1s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 281.8s, 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: 62, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 4.1s InterpolantComputationTime, 212 NumberOfCodeBlocks, 212 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 210 ConstructedInterpolants, 0 QuantifiedInterpolants, 2657 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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