/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/NewStatesSleep.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_ERROR_LOCATION --traceabstraction.abstraction.used.for.commutativity.in.por VARIABLES_GLOBAL -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/ldv-races/race-2_5-container_of.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.dynamic-abstractions-57af04c-m [2024-01-26 07:33:03,432 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-26 07:33:03,498 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-01-26 07:33:03,502 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-26 07:33:03,502 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-26 07:33:03,525 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-26 07:33:03,526 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-26 07:33:03,526 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-26 07:33:03,527 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-26 07:33:03,530 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-26 07:33:03,530 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-26 07:33:03,531 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-26 07:33:03,531 INFO L153 SettingsManager]: * Use SBE=true [2024-01-26 07:33:03,532 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-26 07:33:03,532 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-26 07:33:03,532 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-26 07:33:03,532 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-26 07:33:03,533 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-26 07:33:03,533 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-26 07:33:03,533 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-26 07:33:03,533 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-26 07:33:03,533 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-26 07:33:03,534 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-26 07:33:03,534 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-26 07:33:03,534 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-26 07:33:03,535 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-26 07:33:03,535 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-26 07:33:03,535 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-01-26 07:33:03,535 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-26 07:33:03,535 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-01-26 07:33:03,536 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-26 07:33:03,537 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-26 07:33:03,537 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-26 07:33:03,537 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-26 07:33:03,537 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-26 07:33:03,537 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-26 07:33:03,537 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-01-26 07:33:03,538 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-26 07:33:03,538 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-01-26 07:33:03,538 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstraction used for commutativity in POR -> VARIABLES_GLOBAL [2024-01-26 07:33:03,751 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-26 07:33:03,784 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-26 07:33:03,786 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-26 07:33:03,787 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-26 07:33:03,787 INFO L274 PluginConnector]: CDTParser initialized [2024-01-26 07:33:03,788 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/ldv-races/race-2_5-container_of.i [2024-01-26 07:33:04,869 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-26 07:33:05,184 INFO L384 CDTParser]: Found 1 translation units. [2024-01-26 07:33:05,185 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_5-container_of.i [2024-01-26 07:33:05,217 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/8a044ce48/d90ce8ff3ed9441d95c93a3a81bbb35d/FLAG31e2b51a1 [2024-01-26 07:33:05,229 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/8a044ce48/d90ce8ff3ed9441d95c93a3a81bbb35d [2024-01-26 07:33:05,231 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-26 07:33:05,233 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-26 07:33:05,235 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-26 07:33:05,236 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-26 07:33:05,239 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-26 07:33:05,239 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.01 07:33:05" (1/1) ... [2024-01-26 07:33:05,240 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b1ba2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 07:33:05, skipping insertion in model container [2024-01-26 07:33:05,240 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.01 07:33:05" (1/1) ... [2024-01-26 07:33:05,300 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-26 07:33:05,596 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_5-container_of.i[186287,186300] [2024-01-26 07:33:05,648 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-26 07:33:05,655 INFO L202 MainTranslator]: Completed pre-run [2024-01-26 07:33:05,724 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_5-container_of.i[186287,186300] [2024-01-26 07:33:05,742 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-26 07:33:05,838 INFO L206 MainTranslator]: Completed translation [2024-01-26 07:33:05,838 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 07:33:05 WrapperNode [2024-01-26 07:33:05,839 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-26 07:33:05,840 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-26 07:33:05,840 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-26 07:33:05,840 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-26 07:33:05,846 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 07:33:05" (1/1) ... [2024-01-26 07:33:05,861 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 07:33:05" (1/1) ... [2024-01-26 07:33:05,883 INFO L138 Inliner]: procedures = 248, calls = 63, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 144 [2024-01-26 07:33:05,884 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-26 07:33:05,885 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-26 07:33:05,885 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-26 07:33:05,885 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-26 07:33:05,893 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 07:33:05" (1/1) ... [2024-01-26 07:33:05,893 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 07:33:05" (1/1) ... [2024-01-26 07:33:05,904 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 07:33:05" (1/1) ... [2024-01-26 07:33:05,905 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 07:33:05" (1/1) ... [2024-01-26 07:33:05,928 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 07:33:05" (1/1) ... [2024-01-26 07:33:05,930 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 07:33:05" (1/1) ... [2024-01-26 07:33:05,932 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 07:33:05" (1/1) ... [2024-01-26 07:33:05,934 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 07:33:05" (1/1) ... [2024-01-26 07:33:05,942 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-26 07:33:05,943 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-26 07:33:05,943 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-26 07:33:05,943 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-26 07:33:05,943 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 07:33:05" (1/1) ... [2024-01-26 07:33:05,965 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-01-26 07:33:05,977 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 07:33:06,011 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) [2024-01-26 07:33:06,028 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 [2024-01-26 07:33:06,039 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2024-01-26 07:33:06,039 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2024-01-26 07:33:06,039 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-01-26 07:33:06,039 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-26 07:33:06,040 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-26 07:33:06,040 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-01-26 07:33:06,040 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-01-26 07:33:06,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-01-26 07:33:06,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-01-26 07:33:06,040 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-01-26 07:33:06,040 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-26 07:33:06,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-01-26 07:33:06,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-01-26 07:33:06,040 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-26 07:33:06,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-26 07:33:06,041 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-01-26 07:33:06,310 INFO L241 CfgBuilder]: Building ICFG [2024-01-26 07:33:06,312 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-26 07:33:06,488 INFO L282 CfgBuilder]: Performing block encoding [2024-01-26 07:33:06,521 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-26 07:33:06,521 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2024-01-26 07:33:06,521 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.01 07:33:06 BoogieIcfgContainer [2024-01-26 07:33:06,521 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-26 07:33:06,523 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-26 07:33:06,523 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-26 07:33:06,525 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-26 07:33:06,525 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.01 07:33:05" (1/3) ... [2024-01-26 07:33:06,526 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c888010 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.01 07:33:06, skipping insertion in model container [2024-01-26 07:33:06,526 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 07:33:05" (2/3) ... [2024-01-26 07:33:06,526 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c888010 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.01 07:33:06, skipping insertion in model container [2024-01-26 07:33:06,526 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.01 07:33:06" (3/3) ... [2024-01-26 07:33:06,527 INFO L112 eAbstractionObserver]: Analyzing ICFG race-2_5-container_of.i [2024-01-26 07:33:06,533 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-01-26 07:33:06,540 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-26 07:33:06,541 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-01-26 07:33:06,541 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-26 07:33:06,580 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-01-26 07:33:06,611 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-26 07:33:06,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-01-26 07:33:06,611 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 07:33:06,620 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) [2024-01-26 07:33:06,632 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 [2024-01-26 07:33:06,656 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-01-26 07:33:06,661 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION ======== [2024-01-26 07:33:06,665 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=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1a258f1d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-26 07:33:06,666 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-01-26 07:33:06,698 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 07:33:06,702 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 07:33:06,702 INFO L85 PathProgramCache]: Analyzing trace with hash 867166821, now seen corresponding path program 1 times [2024-01-26 07:33:06,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 07:33:06,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707945403] [2024-01-26 07:33:06,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 07:33:06,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 07:33:06,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 07:33:07,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 07:33:07,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 07:33:07,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [707945403] [2024-01-26 07:33:07,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [707945403] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-26 07:33:07,373 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-26 07:33:07,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-01-26 07:33:07,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330818054] [2024-01-26 07:33:07,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-26 07:33:07,378 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-01-26 07:33:07,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 07:33:07,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-01-26 07:33:07,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-01-26 07:33:07,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 07:33:07,403 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 07:33:07,403 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) [2024-01-26 07:33:07,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 07:33:14,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-01-26 07:33:14,492 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-01-26 07:33:14,493 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 07:33:14,493 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 07:33:14,493 INFO L85 PathProgramCache]: Analyzing trace with hash 293988071, now seen corresponding path program 1 times [2024-01-26 07:33:14,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 07:33:14,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633081719] [2024-01-26 07:33:14,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 07:33:14,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 07:33:14,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 07:33:14,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 07:33:14,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 07:33:14,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633081719] [2024-01-26 07:33:14,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [633081719] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-26 07:33:14,687 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-26 07:33:14,687 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-01-26 07:33:14,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080979133] [2024-01-26 07:33:14,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-26 07:33:14,689 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-01-26 07:33:14,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 07:33:14,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-01-26 07:33:14,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-01-26 07:33:14,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 07:33:14,693 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 07:33:14,693 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 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) [2024-01-26 07:33:14,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-01-26 07:33:14,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 07:33:16,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-01-26 07:33:16,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-01-26 07:33:16,345 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-01-26 07:33:16,345 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-01-26 07:33:16,349 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2024-01-26 07:33:16,350 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION was SAFE (1/8) [2024-01-26 07:33:16,354 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-26 07:33:16,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-01-26 07:33:16,354 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 07:33:16,455 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) [2024-01-26 07:33:16,456 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 [2024-01-26 07:33:16,460 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-01-26 07:33:16,487 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2024-01-26 07:33:16,536 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=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1a258f1d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-26 07:33:16,536 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-01-26 07:33:16,663 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 07:33:16,676 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 07:33:16,677 INFO L85 PathProgramCache]: Analyzing trace with hash 2136185563, now seen corresponding path program 1 times [2024-01-26 07:33:16,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 07:33:16,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152792552] [2024-01-26 07:33:16,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 07:33:16,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 07:33:16,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 07:33:17,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 07:33:17,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 07:33:17,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1152792552] [2024-01-26 07:33:17,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1152792552] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-26 07:33:17,116 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-26 07:33:17,116 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-26 07:33:17,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761979970] [2024-01-26 07:33:17,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-26 07:33:17,117 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-26 07:33:17,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 07:33:17,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-26 07:33:17,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-26 07:33:17,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 07:33:17,118 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 07:33:17,119 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 51.0) internal successors, (102), 3 states have internal predecessors, (102), 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) [2024-01-26 07:33:17,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 07:33:19,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-26 07:33:19,769 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-01-26 07:33:19,769 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 07:33:19,769 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 07:33:19,770 INFO L85 PathProgramCache]: Analyzing trace with hash 1483201653, now seen corresponding path program 1 times [2024-01-26 07:33:19,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 07:33:19,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952670366] [2024-01-26 07:33:19,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 07:33:19,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 07:33:19,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 07:33:20,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 07:33:20,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 07:33:20,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952670366] [2024-01-26 07:33:20,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [952670366] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-26 07:33:20,774 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-26 07:33:20,774 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-01-26 07:33:20,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091525006] [2024-01-26 07:33:20,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-26 07:33:20,776 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-01-26 07:33:20,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 07:33:20,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-01-26 07:33:20,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2024-01-26 07:33:20,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 07:33:20,781 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 07:33:20,781 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 6.125) internal successors, (98), 17 states have internal predecessors, (98), 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) [2024-01-26 07:33:20,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-01-26 07:33:20,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 07:33:26,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-26 07:33:26,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-01-26 07:33:26,959 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-01-26 07:33:26,959 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 07:33:26,960 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 07:33:26,960 INFO L85 PathProgramCache]: Analyzing trace with hash 1254146840, now seen corresponding path program 1 times [2024-01-26 07:33:26,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 07:33:26,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092137990] [2024-01-26 07:33:26,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 07:33:26,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 07:33:27,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 07:33:28,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 07:33:28,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 07:33:28,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092137990] [2024-01-26 07:33:28,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2092137990] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-26 07:33:28,694 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-26 07:33:28,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2024-01-26 07:33:28,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815198203] [2024-01-26 07:33:28,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-26 07:33:28,696 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-01-26 07:33:28,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 07:33:28,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-01-26 07:33:28,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=589, Unknown=0, NotChecked=0, Total=650 [2024-01-26 07:33:28,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 07:33:28,698 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 07:33:28,699 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 3.84) internal successors, (96), 26 states have internal predecessors, (96), 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) [2024-01-26 07:33:28,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-01-26 07:33:28,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-01-26 07:33:28,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 07:33:33,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-26 07:33:33,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-01-26 07:33:33,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-01-26 07:33:33,626 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-01-26 07:33:33,626 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 07:33:33,627 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 07:33:33,627 INFO L85 PathProgramCache]: Analyzing trace with hash -1214870760, now seen corresponding path program 2 times [2024-01-26 07:33:33,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 07:33:33,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754845523] [2024-01-26 07:33:33,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 07:33:33,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 07:33:33,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-26 07:33:33,709 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-01-26 07:33:33,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-26 07:33:33,808 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-01-26 07:33:33,808 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-01-26 07:33:33,808 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-01-26 07:33:33,808 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-01-26 07:33:33,813 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1] [2024-01-26 07:33:33,813 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION was UNSAFE (2/8) [2024-01-26 07:33:33,815 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-01-26 07:33:33,815 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-01-26 07:33:33,884 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.01 07:33:33 BasicIcfg [2024-01-26 07:33:33,884 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-01-26 07:33:33,884 INFO L158 Benchmark]: Toolchain (without parser) took 28651.74ms. Allocated memory was 207.6MB in the beginning and 393.2MB in the end (delta: 185.6MB). Free memory was 140.5MB in the beginning and 115.8MB in the end (delta: 24.7MB). Peak memory consumption was 210.9MB. Max. memory is 8.0GB. [2024-01-26 07:33:33,884 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 207.6MB. Free memory is still 157.2MB. There was no memory consumed. Max. memory is 8.0GB. [2024-01-26 07:33:33,885 INFO L158 Benchmark]: CACSL2BoogieTranslator took 603.90ms. Allocated memory was 207.6MB in the beginning and 283.1MB in the end (delta: 75.5MB). Free memory was 140.5MB in the beginning and 236.0MB in the end (delta: -95.6MB). Peak memory consumption was 34.5MB. Max. memory is 8.0GB. [2024-01-26 07:33:33,885 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.60ms. Allocated memory is still 283.1MB. Free memory was 236.0MB in the beginning and 233.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-01-26 07:33:33,885 INFO L158 Benchmark]: Boogie Preprocessor took 57.16ms. Allocated memory is still 283.1MB. Free memory was 233.4MB in the beginning and 230.8MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2024-01-26 07:33:33,885 INFO L158 Benchmark]: RCFGBuilder took 578.98ms. Allocated memory is still 283.1MB. Free memory was 230.3MB in the beginning and 201.4MB in the end (delta: 28.8MB). Peak memory consumption was 29.4MB. Max. memory is 8.0GB. [2024-01-26 07:33:33,885 INFO L158 Benchmark]: TraceAbstraction took 27361.11ms. Allocated memory was 283.1MB in the beginning and 393.2MB in the end (delta: 110.1MB). Free memory was 200.4MB in the beginning and 115.8MB in the end (delta: 84.6MB). Peak memory consumption was 194.2MB. Max. memory is 8.0GB. [2024-01-26 07:33:33,887 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 207.6MB. Free memory is still 157.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 603.90ms. Allocated memory was 207.6MB in the beginning and 283.1MB in the end (delta: 75.5MB). Free memory was 140.5MB in the beginning and 236.0MB in the end (delta: -95.6MB). Peak memory consumption was 34.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 44.60ms. Allocated memory is still 283.1MB. Free memory was 236.0MB in the beginning and 233.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 57.16ms. Allocated memory is still 283.1MB. Free memory was 233.4MB in the beginning and 230.8MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 578.98ms. Allocated memory is still 283.1MB. Free memory was 230.3MB in the beginning and 201.4MB in the end (delta: 28.8MB). Peak memory consumption was 29.4MB. Max. memory is 8.0GB. * TraceAbstraction took 27361.11ms. Allocated memory was 283.1MB in the beginning and 393.2MB in the end (delta: 110.1MB). Free memory was 200.4MB in the beginning and 115.8MB in the end (delta: 84.6MB). Peak memory consumption was 194.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 2, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 2, dependent conditional: 2, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 31995, independent: 31723, independent conditional: 31723, independent unconditional: 0, dependent: 264, dependent conditional: 264, dependent unconditional: 0, unknown: 8, unknown conditional: 8, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 31897, independent: 31723, independent conditional: 31723, independent unconditional: 0, dependent: 166, dependent conditional: 166, dependent unconditional: 0, unknown: 8, unknown conditional: 8, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 31897, independent: 31723, independent conditional: 31723, independent unconditional: 0, dependent: 166, dependent conditional: 166, dependent unconditional: 0, unknown: 8, unknown conditional: 8, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 32136, independent: 31723, independent conditional: 0, independent unconditional: 31723, dependent: 393, dependent conditional: 227, dependent unconditional: 166, unknown: 20, unknown conditional: 12, unknown unconditional: 8] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 32136, independent: 31723, independent conditional: 0, independent unconditional: 31723, dependent: 393, dependent conditional: 0, dependent unconditional: 393, unknown: 20, unknown conditional: 0, unknown unconditional: 20] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 32136, independent: 31723, independent conditional: 0, independent unconditional: 31723, dependent: 393, dependent conditional: 0, dependent unconditional: 393, unknown: 20, unknown conditional: 0, unknown unconditional: 20] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2075, independent: 2059, independent conditional: 0, independent unconditional: 2059, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2075, independent: 2054, independent conditional: 0, independent unconditional: 2054, dependent: 21, dependent conditional: 0, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 21, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 21, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 21, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , SemanticIndependenceRelation.Query Time [ms]: [ total: 7566, independent: 26, independent conditional: 0, independent unconditional: 26, dependent: 4514, dependent conditional: 0, dependent unconditional: 4514, unknown: 3026, unknown conditional: 0, unknown unconditional: 3026] , Protected Queries: 0 ], Cache Queries: [ total: 32136, independent: 29664, independent conditional: 0, independent unconditional: 29664, dependent: 380, dependent conditional: 0, dependent unconditional: 380, unknown: 2092, unknown conditional: 0, unknown unconditional: 2092] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 2, Statistics for Abstraction: - StatisticsResult: Independence relation #2 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 20286, independent: 20127, independent conditional: 20127, independent unconditional: 0, dependent: 155, dependent conditional: 155, dependent unconditional: 0, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 31995, independent: 31723, independent conditional: 31723, independent unconditional: 0, dependent: 264, dependent conditional: 264, dependent unconditional: 0, unknown: 8, unknown conditional: 8, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 31897, independent: 31723, independent conditional: 31723, independent unconditional: 0, dependent: 166, dependent conditional: 166, dependent unconditional: 0, unknown: 8, unknown conditional: 8, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 31897, independent: 31723, independent conditional: 31723, independent unconditional: 0, dependent: 166, dependent conditional: 166, dependent unconditional: 0, unknown: 8, unknown conditional: 8, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 32136, independent: 31723, independent conditional: 0, independent unconditional: 31723, dependent: 393, dependent conditional: 227, dependent unconditional: 166, unknown: 20, unknown conditional: 12, unknown unconditional: 8] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 32136, independent: 31723, independent conditional: 0, independent unconditional: 31723, dependent: 393, dependent conditional: 0, dependent unconditional: 393, unknown: 20, unknown conditional: 0, unknown unconditional: 20] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 32136, independent: 31723, independent conditional: 0, independent unconditional: 31723, dependent: 393, dependent conditional: 0, dependent unconditional: 393, unknown: 20, unknown conditional: 0, unknown unconditional: 20] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2075, independent: 2059, independent conditional: 0, independent unconditional: 2059, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2075, independent: 2054, independent conditional: 0, independent unconditional: 2054, dependent: 21, dependent conditional: 0, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 21, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 21, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 21, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , SemanticIndependenceRelation.Query Time [ms]: [ total: 7566, independent: 26, independent conditional: 0, independent unconditional: 26, dependent: 4514, dependent conditional: 0, dependent unconditional: 4514, unknown: 3026, unknown conditional: 0, unknown unconditional: 3026] , Protected Queries: 0 ], Cache Queries: [ total: 32136, independent: 29664, independent conditional: 0, independent unconditional: 29664, dependent: 380, dependent conditional: 0, dependent unconditional: 380, unknown: 2092, unknown conditional: 0, unknown unconditional: 2092] , Statistics on independence cache: Total cache size (in pairs): 1610, Positive cache size: 1599, Positive conditional cache size: 0, Positive unconditional cache size: 1599, Negative cache size: 11, Negative conditional cache size: 0, Negative unconditional cache size: 11, Unknown cache size: 3, Unknown conditional cache size: 0, Unknown unconditional cache size: 3, Eliminated conditions: 109, Maximal queried relation: 1, Independence queries for same thread: 52, Statistics for Abstraction: - StatisticsResult: Independence relation #3 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 11707, independent: 11596, independent conditional: 11596, independent unconditional: 0, dependent: 107, dependent conditional: 107, dependent unconditional: 0, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 31995, independent: 31723, independent conditional: 31723, independent unconditional: 0, dependent: 264, dependent conditional: 264, dependent unconditional: 0, unknown: 8, unknown conditional: 8, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 31897, independent: 31723, independent conditional: 31723, independent unconditional: 0, dependent: 166, dependent conditional: 166, dependent unconditional: 0, unknown: 8, unknown conditional: 8, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 31897, independent: 31723, independent conditional: 31723, independent unconditional: 0, dependent: 166, dependent conditional: 166, dependent unconditional: 0, unknown: 8, unknown conditional: 8, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 32136, independent: 31723, independent conditional: 0, independent unconditional: 31723, dependent: 393, dependent conditional: 227, dependent unconditional: 166, unknown: 20, unknown conditional: 12, unknown unconditional: 8] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 32136, independent: 31723, independent conditional: 0, independent unconditional: 31723, dependent: 393, dependent conditional: 0, dependent unconditional: 393, unknown: 20, unknown conditional: 0, unknown unconditional: 20] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 32136, independent: 31723, independent conditional: 0, independent unconditional: 31723, dependent: 393, dependent conditional: 0, dependent unconditional: 393, unknown: 20, unknown conditional: 0, unknown unconditional: 20] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2075, independent: 2059, independent conditional: 0, independent unconditional: 2059, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2075, independent: 2054, independent conditional: 0, independent unconditional: 2054, dependent: 21, dependent conditional: 0, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 21, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 21, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 21, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , SemanticIndependenceRelation.Query Time [ms]: [ total: 7566, independent: 26, independent conditional: 0, independent unconditional: 26, dependent: 4514, dependent conditional: 0, dependent unconditional: 4514, unknown: 3026, unknown conditional: 0, unknown unconditional: 3026] , Protected Queries: 0 ], Cache Queries: [ total: 32136, independent: 29664, independent conditional: 0, independent unconditional: 29664, dependent: 380, dependent conditional: 0, dependent unconditional: 380, unknown: 2092, unknown conditional: 0, unknown unconditional: 2092] , Statistics on independence cache: Total cache size (in pairs): 2072, Positive cache size: 2059, Positive conditional cache size: 0, Positive unconditional cache size: 2059, Negative cache size: 13, Negative conditional cache size: 0, Negative unconditional cache size: 13, Unknown cache size: 3, Unknown conditional cache size: 0, Unknown unconditional cache size: 3, Eliminated conditions: 239, Maximal queried relation: 2, Independence queries for same thread: 98, Statistics for Abstraction: - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 72, independent: 70, independent conditional: 70, independent unconditional: 0, dependent: 2, dependent conditional: 2, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 897, independent: 855, independent conditional: 855, independent unconditional: 0, dependent: 38, dependent conditional: 38, dependent unconditional: 0, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 889, independent: 855, independent conditional: 855, independent unconditional: 0, dependent: 30, dependent conditional: 30, dependent unconditional: 0, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 889, independent: 855, independent conditional: 855, independent unconditional: 0, dependent: 30, dependent conditional: 30, dependent unconditional: 0, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 970, independent: 855, independent conditional: 0, independent unconditional: 855, dependent: 100, dependent conditional: 70, dependent unconditional: 30, unknown: 15, unknown conditional: 11, unknown unconditional: 4] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 970, independent: 855, independent conditional: 0, independent unconditional: 855, dependent: 100, dependent conditional: 0, dependent unconditional: 100, unknown: 15, unknown conditional: 0, unknown unconditional: 15] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 970, independent: 855, independent conditional: 0, independent unconditional: 855, dependent: 100, dependent conditional: 0, dependent unconditional: 100, unknown: 15, unknown conditional: 0, unknown unconditional: 15] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 483, independent: 463, independent conditional: 0, independent unconditional: 463, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 483, independent: 456, independent conditional: 0, independent unconditional: 456, dependent: 27, dependent conditional: 0, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 27, independent: 7, independent conditional: 0, independent unconditional: 7, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 27, independent: 7, independent conditional: 0, independent unconditional: 7, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 27, independent: 7, independent conditional: 0, independent unconditional: 7, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , SemanticIndependenceRelation.Query Time [ms]: [ total: 10437, independent: 37, independent conditional: 0, independent unconditional: 37, dependent: 8375, dependent conditional: 0, dependent unconditional: 8375, unknown: 2026, unknown conditional: 0, unknown unconditional: 2026] , Protected Queries: 0 ], Cache Queries: [ total: 970, independent: 392, independent conditional: 0, independent unconditional: 392, dependent: 82, dependent conditional: 0, dependent unconditional: 82, unknown: 496, unknown conditional: 0, unknown unconditional: 496] , Statistics on independence cache: Total cache size (in pairs): 55, Positive cache size: 55, Positive conditional cache size: 0, Positive unconditional cache size: 55, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 2, Statistics for Abstraction: - StatisticsResult: Independence relation #2 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 193, independent: 185, independent conditional: 185, independent unconditional: 0, dependent: 8, dependent conditional: 8, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 897, independent: 855, independent conditional: 855, independent unconditional: 0, dependent: 38, dependent conditional: 38, dependent unconditional: 0, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 889, independent: 855, independent conditional: 855, independent unconditional: 0, dependent: 30, dependent conditional: 30, dependent unconditional: 0, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 889, independent: 855, independent conditional: 855, independent unconditional: 0, dependent: 30, dependent conditional: 30, dependent unconditional: 0, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 970, independent: 855, independent conditional: 0, independent unconditional: 855, dependent: 100, dependent conditional: 70, dependent unconditional: 30, unknown: 15, unknown conditional: 11, unknown unconditional: 4] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 970, independent: 855, independent conditional: 0, independent unconditional: 855, dependent: 100, dependent conditional: 0, dependent unconditional: 100, unknown: 15, unknown conditional: 0, unknown unconditional: 15] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 970, independent: 855, independent conditional: 0, independent unconditional: 855, dependent: 100, dependent conditional: 0, dependent unconditional: 100, unknown: 15, unknown conditional: 0, unknown unconditional: 15] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 483, independent: 463, independent conditional: 0, independent unconditional: 463, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 483, independent: 456, independent conditional: 0, independent unconditional: 456, dependent: 27, dependent conditional: 0, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 27, independent: 7, independent conditional: 0, independent unconditional: 7, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 27, independent: 7, independent conditional: 0, independent unconditional: 7, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 27, independent: 7, independent conditional: 0, independent unconditional: 7, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , SemanticIndependenceRelation.Query Time [ms]: [ total: 10437, independent: 37, independent conditional: 0, independent unconditional: 37, dependent: 8375, dependent conditional: 0, dependent unconditional: 8375, unknown: 2026, unknown conditional: 0, unknown unconditional: 2026] , Protected Queries: 0 ], Cache Queries: [ total: 970, independent: 392, independent conditional: 0, independent unconditional: 392, dependent: 82, dependent conditional: 0, dependent unconditional: 82, unknown: 496, unknown conditional: 0, unknown unconditional: 496] , Statistics on independence cache: Total cache size (in pairs): 178, Positive cache size: 172, Positive conditional cache size: 0, Positive unconditional cache size: 172, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 6, Maximal queried relation: 1, Independence queries for same thread: 4, Statistics for Abstraction: - StatisticsResult: Independence relation #3 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 246, independent: 235, independent conditional: 235, independent unconditional: 0, dependent: 10, dependent conditional: 10, dependent unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 897, independent: 855, independent conditional: 855, independent unconditional: 0, dependent: 38, dependent conditional: 38, dependent unconditional: 0, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 889, independent: 855, independent conditional: 855, independent unconditional: 0, dependent: 30, dependent conditional: 30, dependent unconditional: 0, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 889, independent: 855, independent conditional: 855, independent unconditional: 0, dependent: 30, dependent conditional: 30, dependent unconditional: 0, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 970, independent: 855, independent conditional: 0, independent unconditional: 855, dependent: 100, dependent conditional: 70, dependent unconditional: 30, unknown: 15, unknown conditional: 11, unknown unconditional: 4] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 970, independent: 855, independent conditional: 0, independent unconditional: 855, dependent: 100, dependent conditional: 0, dependent unconditional: 100, unknown: 15, unknown conditional: 0, unknown unconditional: 15] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 970, independent: 855, independent conditional: 0, independent unconditional: 855, dependent: 100, dependent conditional: 0, dependent unconditional: 100, unknown: 15, unknown conditional: 0, unknown unconditional: 15] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 483, independent: 463, independent conditional: 0, independent unconditional: 463, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 483, independent: 456, independent conditional: 0, independent unconditional: 456, dependent: 27, dependent conditional: 0, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 27, independent: 7, independent conditional: 0, independent unconditional: 7, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 27, independent: 7, independent conditional: 0, independent unconditional: 7, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 27, independent: 7, independent conditional: 0, independent unconditional: 7, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , SemanticIndependenceRelation.Query Time [ms]: [ total: 10437, independent: 37, independent conditional: 0, independent unconditional: 37, dependent: 8375, dependent conditional: 0, dependent unconditional: 8375, unknown: 2026, unknown conditional: 0, unknown unconditional: 2026] , Protected Queries: 0 ], Cache Queries: [ total: 970, independent: 392, independent conditional: 0, independent unconditional: 392, dependent: 82, dependent conditional: 0, dependent unconditional: 82, unknown: 496, unknown conditional: 0, unknown unconditional: 496] , Statistics on independence cache: Total cache size (in pairs): 310, Positive cache size: 296, Positive conditional cache size: 0, Positive unconditional cache size: 296, Negative cache size: 14, Negative conditional cache size: 0, Negative unconditional cache size: 14, Unknown cache size: 1, Unknown conditional cache size: 0, Unknown unconditional cache size: 1, Eliminated conditions: 24, Maximal queried relation: 2, Independence queries for same thread: 6, Statistics for Abstraction: - StatisticsResult: Independence relation #4 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 386, independent: 365, independent conditional: 365, independent unconditional: 0, dependent: 18, dependent conditional: 18, dependent unconditional: 0, unknown: 3, unknown conditional: 3, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 897, independent: 855, independent conditional: 855, independent unconditional: 0, dependent: 38, dependent conditional: 38, dependent unconditional: 0, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 889, independent: 855, independent conditional: 855, independent unconditional: 0, dependent: 30, dependent conditional: 30, dependent unconditional: 0, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 889, independent: 855, independent conditional: 855, independent unconditional: 0, dependent: 30, dependent conditional: 30, dependent unconditional: 0, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 970, independent: 855, independent conditional: 0, independent unconditional: 855, dependent: 100, dependent conditional: 70, dependent unconditional: 30, unknown: 15, unknown conditional: 11, unknown unconditional: 4] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 970, independent: 855, independent conditional: 0, independent unconditional: 855, dependent: 100, dependent conditional: 0, dependent unconditional: 100, unknown: 15, unknown conditional: 0, unknown unconditional: 15] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 970, independent: 855, independent conditional: 0, independent unconditional: 855, dependent: 100, dependent conditional: 0, dependent unconditional: 100, unknown: 15, unknown conditional: 0, unknown unconditional: 15] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 483, independent: 463, independent conditional: 0, independent unconditional: 463, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 483, independent: 456, independent conditional: 0, independent unconditional: 456, dependent: 27, dependent conditional: 0, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 27, independent: 7, independent conditional: 0, independent unconditional: 7, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 27, independent: 7, independent conditional: 0, independent unconditional: 7, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 27, independent: 7, independent conditional: 0, independent unconditional: 7, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , SemanticIndependenceRelation.Query Time [ms]: [ total: 10437, independent: 37, independent conditional: 0, independent unconditional: 37, dependent: 8375, dependent conditional: 0, dependent unconditional: 8375, unknown: 2026, unknown conditional: 0, unknown unconditional: 2026] , Protected Queries: 0 ], Cache Queries: [ total: 970, independent: 392, independent conditional: 0, independent unconditional: 392, dependent: 82, dependent conditional: 0, dependent unconditional: 82, unknown: 496, unknown conditional: 0, unknown unconditional: 496] , Statistics on independence cache: Total cache size (in pairs): 481, Positive cache size: 463, Positive conditional cache size: 0, Positive unconditional cache size: 463, Negative cache size: 18, Negative conditional cache size: 0, Negative unconditional cache size: 18, Unknown cache size: 2, Unknown conditional cache size: 0, Unknown unconditional cache size: 2, Eliminated conditions: 81, Maximal queried relation: 3, Independence queries for same thread: 8, Statistics for Abstraction: - 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 - CounterExampleResult [Line: 3887]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L3888] 0 pthread_t t1,t2; VAL [t1={3:0}, t2={4:0}] [L3962] CALL, EXPR 0 my_drv_init() [L3956] 0 return 0; VAL [\result=0, t1={3:0}, t2={4:0}] [L3962] RET, EXPR 0 my_drv_init() [L3962] 0 int ret = my_drv_init(); VAL [ret=0, t1={3:0}, t2={4:0}] [L3963] COND TRUE 0 ret==0 VAL [ret=0, t1={3:0}, t2={4:0}] [L3964] 0 int probe_ret; VAL [ret=0, t1={3:0}, t2={4:0}] [L3965] 0 struct my_data data; VAL [data={6:0}, ret=0, t1={3:0}, t2={4:0}] [L3966] CALL, EXPR 0 my_drv_probe(&data) [L3919] 0 struct device *d = &data->dev; VAL [d={6:24}, data={6:0}, data={6:0}, t1={3:0}, t2={4:0}] [L3923] 0 data->shared.a = 0 VAL [d={6:24}, data={6:0}, data={6:0}, t1={3:0}, t2={4:0}] [L3924] 0 data->shared.b = 0 VAL [d={6:24}, data={6:0}, data={6:0}, t1={3:0}, t2={4:0}] [L3925] 0 int res = __VERIFIER_nondet_int(); VAL [d={6:24}, data={6:0}, data={6:0}, res=0, t1={3:0}, t2={4:0}] [L3926] COND FALSE 0 !(\read(res)) VAL [d={6:24}, data={6:0}, data={6:0}, res=0, t1={3:0}, t2={4:0}] [L3929] FCALL, FORK 0 pthread_create(&t1, ((void *)0), my_callback, (void *)d) VAL [arg={6:24}, d={6:24}, data={6:0}, data={6:0}, res=0, t1={3:0}, t2={4:0}] [L3930] FCALL, FORK 0 pthread_create(&t2, ((void *)0), my_callback, (void *)d) VAL [arg={6:24}, d={6:24}, data={6:0}, data={6:0}, res=0, t1={3:0}, t2={4:0}] [L3931] 0 return 0; VAL [\result=0, arg={6:24}, d={6:24}, data={6:0}, data={6:0}, res=0, t1={3:0}, t2={4:0}] [L3966] RET, EXPR 0 my_drv_probe(&data) [L3966] 0 probe_ret = my_drv_probe(&data) VAL [arg={6:24}, data={6:0}, probe_ret=0, ret=0, t1={3:0}, t2={4:0}] [L3967] COND TRUE 0 probe_ret==0 [L3968] CALL 0 my_drv_disconnect(&data) [L3937] 0 void *status; VAL [arg={6:24}, data={6:0}, data={6:0}, status={5:0}, t1={3:0}, t2={4:0}] [L3938] 0 \read(t1) VAL [arg={6:24}, data={6:0}, data={6:0}, status={5:0}, t1={3:0}, t2={4:0}] [L3902] 2 struct device *dev = (struct device*)arg; VAL [arg={6:24}, arg={6:24}, dev={6:24}, t1={3:0}, t2={4:0}] [L3903] 2 struct my_data *data; VAL [arg={6:24}, arg={6:24}, dev={6:24}, t1={3:0}, t2={4:0}] [L3904] 2 const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); VAL [__mptr={6:24}, arg={6:24}, arg={6:24}, dev={6:24}, t1={3:0}, t2={4:0}] [L3904] 2 { const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); (struct my_data *)( (char *)__mptr - __builtin_offsetof (struct my_data, dev) );} VAL [__mptr={6:24}, arg={6:24}, arg={6:24}, dev={6:24}, t1={3:0}, t2={4:0}] [L3904] 2 { const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); (struct my_data *)( (char *)__mptr - __builtin_offsetof (struct my_data, dev) );} VAL [arg={6:24}, arg={6:24}, dev={6:24}, t1={3:0}, t2={4:0}] [L3904] 2 data = ({ const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); (struct my_data *)( (char *)__mptr - __builtin_offsetof (struct my_data, dev) );}) VAL [arg={6:24}, arg={6:24}, data={6:0}, dev={6:24}, t1={3:0}, t2={4:0}] [L3902] 1 struct device *dev = (struct device*)arg; VAL [arg={6:24}, arg={6:24}, data={6:0}, dev={6:24}, t1={3:0}, t2={4:0}] [L3903] 1 struct my_data *data; VAL [arg={6:24}, arg={6:24}, data={6:0}, dev={6:24}, t1={3:0}, t2={4:0}] [L3904] 1 const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); VAL [__mptr={6:24}, arg={6:24}, arg={6:24}, data={6:0}, dev={6:24}, t1={3:0}, t2={4:0}] [L3904] 1 { const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); (struct my_data *)( (char *)__mptr - __builtin_offsetof (struct my_data, dev) );} VAL [__mptr={6:24}, arg={6:24}, arg={6:24}, data={6:0}, dev={6:24}, t1={3:0}, t2={4:0}] [L3904] 1 { const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); (struct my_data *)( (char *)__mptr - __builtin_offsetof (struct my_data, dev) );} VAL [arg={6:24}, arg={6:24}, data={6:0}, dev={6:24}, t1={3:0}, t2={4:0}] [L3904] 1 data = ({ const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); (struct my_data *)( (char *)__mptr - __builtin_offsetof (struct my_data, dev) );}) VAL [arg={6:24}, arg={6:24}, data={6:0}, dev={6:24}, t1={3:0}, t2={4:0}] [L3907] 1 data->shared.a = 1 VAL [arg={6:24}, arg={6:24}, data={6:0}, dev={6:24}, t1={3:0}, t2={4:0}] [L3910] EXPR 1 data->shared.b [L3910] 1 int lb = data->shared.b; [L3913] 1 data->shared.b = lb + 1 VAL [arg={6:24}, arg={6:24}, data={6:0}, dev={6:24}, lb=0, t1={3:0}, t2={4:0}] [L3916] 1 return 0; VAL [\result={0:0}, arg={6:24}, arg={6:24}, data={6:0}, dev={6:24}, lb=0, t1={3:0}, t2={4:0}] [L3938] FCALL, JOIN 1 pthread_join(t1, &status) VAL [\result={0:0}, arg={6:24}, arg={6:24}, data={6:0}, data={6:0}, data={6:0}, dev={6:24}, lb=0, status={5:0}, t1={3:0}, t2={4:0}] [L3941] 0 data->shared.a = 3 VAL [\result={0:0}, arg={6:24}, arg={6:24}, data={6:0}, data={6:0}, data={6:0}, dev={6:24}, lb=0, status={5:0}, t1={3:0}, t2={4:0}] [L3944] 0 data->shared.b = 3 VAL [\result={0:0}, arg={6:24}, arg={6:24}, data={6:0}, data={6:0}, data={6:0}, dev={6:24}, lb=0, status={5:0}, t1={3:0}, t2={4:0}] [L3907] 2 data->shared.a = 1 VAL [\result={0:0}, arg={6:24}, arg={6:24}, data={6:0}, dev={6:24}, lb=0, t1={3:0}, t2={4:0}] [L3947] EXPR 0 data->shared.a [L3947] CALL 0 ldv_assert(data->shared.a==3) [L3887] COND TRUE 0 !expression [L3887] 0 reach_error() VAL [\old(expression)=0, \result={0:0}, arg={6:24}, arg={6:24}, data={6:0}, dev={6:24}, expression=0, lb=0, t1={3:0}, t2={4:0}] - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION with 1 thread instances CFG has 4 procedures, 193 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 9.7s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 8.8s, 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: 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, 131 NumberOfCodeBlocks, 131 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 129 ConstructedInterpolants, 0 QuantifiedInterpolants, 176 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.startErr0ASSERT_VIOLATIONERROR_FUNCTION with 1 thread instances CFG has 4 procedures, 193 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 17.4s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 13.9s, 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: 53, 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, 2.9s InterpolantComputationTime, 392 NumberOfCodeBlocks, 392 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 293 ConstructedInterpolants, 0 QuantifiedInterpolants, 2306 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 RESULT: Ultimate proved your program to be incorrect! [2024-01-26 07:33:33,923 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Forceful destruction successful, exit code 0 [2024-01-26 07:33:34,129 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-01-26 07:33:34,333 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...