/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --traceabstraction.prune.known.deadend.states.from.previous.iterations false -s ../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_ERROR_LOCATION -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_34-traces-minepp-L-needs-to-be-um_true.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.dynamic-abstractions-57af04c-m [2024-01-25 23:20:26,306 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-25 23:20:26,357 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf [2024-01-25 23:20:26,359 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-25 23:20:26,360 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-25 23:20:26,360 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-01-25 23:20:26,387 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-25 23:20:26,387 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-25 23:20:26,388 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-25 23:20:26,390 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-25 23:20:26,391 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-25 23:20:26,391 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-25 23:20:26,391 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-25 23:20:26,392 INFO L153 SettingsManager]: * Use SBE=true [2024-01-25 23:20:26,392 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-25 23:20:26,392 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-25 23:20:26,393 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-25 23:20:26,393 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-25 23:20:26,393 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-25 23:20:26,393 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-25 23:20:26,393 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-25 23:20:26,393 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-25 23:20:26,394 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-25 23:20:26,394 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-25 23:20:26,394 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-25 23:20:26,394 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-25 23:20:26,394 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-25 23:20:26,394 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-25 23:20:26,395 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-01-25 23:20:26,395 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-25 23:20:26,395 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-01-25 23:20:26,395 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-25 23:20:26,395 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-25 23:20:26,395 INFO L153 SettingsManager]: * Abstraction for dynamic stratified reduction=VARIABLES_GLOBAL [2024-01-25 23:20:26,396 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2024-01-25 23:20:26,396 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-25 23:20:26,396 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-25 23:20:26,396 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-25 23:20:26,396 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-01-25 23:20:26,396 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-25 23:20:26,396 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=DYNAMIC_ABSTRACTIONS [2024-01-25 23:20:26,397 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION [2024-01-25 23:20:26,573 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-25 23:20:26,589 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-25 23:20:26,590 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-25 23:20:26,591 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-25 23:20:26,591 INFO L274 PluginConnector]: CDTParser initialized [2024-01-25 23:20:26,592 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_34-traces-minepp-L-needs-to-be-um_true.i [2024-01-25 23:20:27,520 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-25 23:20:27,676 INFO L384 CDTParser]: Found 1 translation units. [2024-01-25 23:20:27,676 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_34-traces-minepp-L-needs-to-be-um_true.i [2024-01-25 23:20:27,687 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/f46cf6e1b/8fecd15be1ec4a76a2b9d8f98fdd5a27/FLAG236ff028d [2024-01-25 23:20:27,699 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/f46cf6e1b/8fecd15be1ec4a76a2b9d8f98fdd5a27 [2024-01-25 23:20:27,701 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-25 23:20:27,703 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-25 23:20:27,704 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-25 23:20:27,704 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-25 23:20:27,707 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-25 23:20:27,708 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.01 11:20:27" (1/1) ... [2024-01-25 23:20:27,708 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@da7df63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 11:20:27, skipping insertion in model container [2024-01-25 23:20:27,708 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.01 11:20:27" (1/1) ... [2024-01-25 23:20:27,743 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-25 23:20:27,840 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_34-traces-minepp-L-needs-to-be-um_true.i[1107,1120] [2024-01-25 23:20:27,932 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-25 23:20:27,948 INFO L202 MainTranslator]: Completed pre-run [2024-01-25 23:20:27,957 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_34-traces-minepp-L-needs-to-be-um_true.i[1107,1120] [2024-01-25 23:20:27,978 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-25 23:20:28,011 INFO L206 MainTranslator]: Completed translation [2024-01-25 23:20:28,011 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 11:20:28 WrapperNode [2024-01-25 23:20:28,011 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-25 23:20:28,012 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-25 23:20:28,012 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-25 23:20:28,012 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-25 23:20:28,017 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 11:20:28" (1/1) ... [2024-01-25 23:20:28,038 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 11:20:28" (1/1) ... [2024-01-25 23:20:28,056 INFO L138 Inliner]: procedures = 164, calls = 44, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 72 [2024-01-25 23:20:28,056 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-25 23:20:28,057 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-25 23:20:28,057 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-25 23:20:28,057 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-25 23:20:28,062 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 11:20:28" (1/1) ... [2024-01-25 23:20:28,062 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 11:20:28" (1/1) ... [2024-01-25 23:20:28,067 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 11:20:28" (1/1) ... [2024-01-25 23:20:28,068 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 11:20:28" (1/1) ... [2024-01-25 23:20:28,079 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 11:20:28" (1/1) ... [2024-01-25 23:20:28,080 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 11:20:28" (1/1) ... [2024-01-25 23:20:28,084 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 11:20:28" (1/1) ... [2024-01-25 23:20:28,084 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 11:20:28" (1/1) ... [2024-01-25 23:20:28,088 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-25 23:20:28,088 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-25 23:20:28,088 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-25 23:20:28,088 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-25 23:20:28,089 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 11:20:28" (1/1) ... [2024-01-25 23:20:28,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-01-25 23:20:28,105 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-25 23:20:28,115 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-01-25 23:20:28,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-01-25 23:20:28,146 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-01-25 23:20:28,146 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-25 23:20:28,146 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-25 23:20:28,146 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-01-25 23:20:28,146 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-01-25 23:20:28,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-25 23:20:28,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-01-25 23:20:28,147 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-01-25 23:20:28,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-25 23:20:28,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-25 23:20:28,128 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-01-25 23:20:28,149 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-01-25 23:20:28,268 INFO L241 CfgBuilder]: Building ICFG [2024-01-25 23:20:28,269 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-25 23:20:28,398 INFO L282 CfgBuilder]: Performing block encoding [2024-01-25 23:20:28,420 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-25 23:20:28,421 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2024-01-25 23:20:28,421 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.01 11:20:28 BoogieIcfgContainer [2024-01-25 23:20:28,421 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-25 23:20:28,422 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-25 23:20:28,422 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-25 23:20:28,424 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-25 23:20:28,424 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.01 11:20:27" (1/3) ... [2024-01-25 23:20:28,425 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29eb8d88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.01 11:20:28, skipping insertion in model container [2024-01-25 23:20:28,425 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 11:20:28" (2/3) ... [2024-01-25 23:20:28,425 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29eb8d88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.01 11:20:28, skipping insertion in model container [2024-01-25 23:20:28,425 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.01 11:20:28" (3/3) ... [2024-01-25 23:20:28,426 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_34-traces-minepp-L-needs-to-be-um_true.i [2024-01-25 23:20:28,431 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-01-25 23:20:28,437 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-25 23:20:28,437 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-01-25 23:20:28,437 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-25 23:20:28,463 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-01-25 23:20:28,487 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-25 23:20:28,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-01-25 23:20:28,488 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-25 23:20:28,490 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-01-25 23:20:28,492 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-01-25 23:20:28,517 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-01-25 23:20:28,523 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2024-01-25 23:20:28,527 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3179cc34, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-25 23:20:28,528 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-01-25 23:20:28,557 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-25 23:20:28,562 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-25 23:20:28,563 INFO L85 PathProgramCache]: Analyzing trace with hash 293442783, now seen corresponding path program 1 times [2024-01-25 23:20:28,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-25 23:20:28,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879757655] [2024-01-25 23:20:28,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-25 23:20:28,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-25 23:20:28,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-25 23:20:28,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-25 23:20:28,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-25 23:20:28,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879757655] [2024-01-25 23:20:28,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1879757655] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-25 23:20:28,961 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-25 23:20:28,961 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-01-25 23:20:28,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208261010] [2024-01-25 23:20:28,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-25 23:20:28,965 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-01-25 23:20:28,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-25 23:20:28,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-01-25 23:20:28,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-01-25 23:20:28,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-25 23:20:28,984 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-25 23:20:28,985 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-25 23:20:28,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-25 23:20:29,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-01-25 23:20:29,235 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-01-25 23:20:29,236 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-25 23:20:29,236 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-25 23:20:29,236 INFO L85 PathProgramCache]: Analyzing trace with hash 1055173339, now seen corresponding path program 1 times [2024-01-25 23:20:29,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-25 23:20:29,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419400969] [2024-01-25 23:20:29,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-25 23:20:29,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-25 23:20:29,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-25 23:20:29,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-25 23:20:29,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-25 23:20:29,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1419400969] [2024-01-25 23:20:29,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1419400969] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-25 23:20:29,499 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-25 23:20:29,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-01-25 23:20:29,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70100922] [2024-01-25 23:20:29,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-25 23:20:29,500 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-01-25 23:20:29,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-25 23:20:29,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-01-25 23:20:29,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-01-25 23:20:29,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-25 23:20:29,502 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-25 23:20:29,503 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-25 23:20:29,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-01-25 23:20:29,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2024-01-25 23:20:29,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-01-25 23:20:29,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-01-25 23:20:29,694 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-01-25 23:20:29,694 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-25 23:20:29,694 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-25 23:20:29,694 INFO L85 PathProgramCache]: Analyzing trace with hash -1466521636, now seen corresponding path program 1 times [2024-01-25 23:20:29,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-25 23:20:29,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803793440] [2024-01-25 23:20:29,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-25 23:20:29,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-25 23:20:29,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-25 23:20:29,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-25 23:20:29,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-25 23:20:29,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803793440] [2024-01-25 23:20:29,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [803793440] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-25 23:20:29,770 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-25 23:20:29,770 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-25 23:20:29,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033360149] [2024-01-25 23:20:29,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-25 23:20:29,771 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-25 23:20:29,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-25 23:20:29,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-25 23:20:29,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-25 23:20:29,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-25 23:20:29,772 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-25 23:20:29,772 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-25 23:20:29,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-01-25 23:20:29,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-01-25 23:20:29,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-25 23:20:29,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-01-25 23:20:29,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-01-25 23:20:29,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-25 23:20:29,862 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-01-25 23:20:29,862 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-25 23:20:29,863 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-25 23:20:29,863 INFO L85 PathProgramCache]: Analyzing trace with hash -1166169908, now seen corresponding path program 2 times [2024-01-25 23:20:29,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-25 23:20:29,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711081348] [2024-01-25 23:20:29,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-25 23:20:29,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-25 23:20:29,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-25 23:20:30,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-25 23:20:30,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-25 23:20:30,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711081348] [2024-01-25 23:20:30,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [711081348] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-25 23:20:30,064 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-25 23:20:30,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-01-25 23:20:30,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877736404] [2024-01-25 23:20:30,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-25 23:20:30,065 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-01-25 23:20:30,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-25 23:20:30,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-01-25 23:20:30,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-01-25 23:20:30,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-25 23:20:30,067 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-25 23:20:30,067 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.75) internal successors, (62), 8 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-25 23:20:30,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-01-25 23:20:30,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-01-25 23:20:30,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-01-25 23:20:30,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2024-01-25 23:20:30,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-01-25 23:20:30,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-01-25 23:20:30,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-25 23:20:30,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-01-25 23:20:30,296 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-01-25 23:20:30,296 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-25 23:20:30,297 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-25 23:20:30,300 INFO L85 PathProgramCache]: Analyzing trace with hash -909989288, now seen corresponding path program 1 times [2024-01-25 23:20:30,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-25 23:20:30,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660974572] [2024-01-25 23:20:30,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-25 23:20:30,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-25 23:20:30,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-25 23:20:30,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-25 23:20:30,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-25 23:20:30,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660974572] [2024-01-25 23:20:30,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1660974572] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-25 23:20:30,407 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-25 23:20:30,407 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-01-25 23:20:30,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235301203] [2024-01-25 23:20:30,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-25 23:20:30,408 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-01-25 23:20:30,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-25 23:20:30,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-01-25 23:20:30,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-01-25 23:20:30,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-25 23:20:30,409 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-25 23:20:30,409 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-25 23:20:30,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-01-25 23:20:30,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-01-25 23:20:30,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-01-25 23:20:30,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-01-25 23:20:30,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2024-01-25 23:20:30,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-01-25 23:20:30,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-01-25 23:20:30,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-25 23:20:30,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-01-25 23:20:30,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-01-25 23:20:30,513 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-01-25 23:20:30,513 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-25 23:20:30,513 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-25 23:20:30,513 INFO L85 PathProgramCache]: Analyzing trace with hash -1001395242, now seen corresponding path program 2 times [2024-01-25 23:20:30,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-25 23:20:30,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524384489] [2024-01-25 23:20:30,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-25 23:20:30,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-25 23:20:30,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-25 23:20:30,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-25 23:20:30,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-25 23:20:30,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524384489] [2024-01-25 23:20:30,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1524384489] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-25 23:20:30,592 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-25 23:20:30,592 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-01-25 23:20:30,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000940255] [2024-01-25 23:20:30,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-25 23:20:30,593 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-01-25 23:20:30,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-25 23:20:30,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-01-25 23:20:30,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-01-25 23:20:30,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-25 23:20:30,593 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-25 23:20:30,593 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-25 23:20:30,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-01-25 23:20:30,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-01-25 23:20:30,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-01-25 23:20:30,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-01-25 23:20:30,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-01-25 23:20:30,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2024-01-25 23:20:30,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-01-25 23:20:30,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-01-25 23:20:30,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-25 23:20:30,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-01-25 23:20:30,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-01-25 23:20:30,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-01-25 23:20:30,783 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-01-25 23:20:30,783 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-01-25 23:20:30,787 INFO L445 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1] [2024-01-25 23:20:30,788 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION was SAFE (1/2) [2024-01-25 23:20:30,791 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-25 23:20:30,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-01-25 23:20:30,791 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-25 23:20:30,822 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-01-25 23:20:30,829 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-01-25 23:20:30,829 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2024-01-25 23:20:30,829 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3179cc34, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-25 23:20:30,829 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-01-25 23:20:30,831 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2024-01-25 23:20:30,832 INFO L445 BasicCegarLoop]: Path program histogram: [] [2024-01-25 23:20:30,832 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (2/2) [2024-01-25 23:20:30,832 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-01-25 23:20:30,832 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-01-25 23:20:30,835 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.01 11:20:30 BasicIcfg [2024-01-25 23:20:30,835 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-01-25 23:20:30,835 INFO L158 Benchmark]: Toolchain (without parser) took 3132.52ms. Allocated memory was 264.2MB in the beginning and 317.7MB in the end (delta: 53.5MB). Free memory was 217.5MB in the beginning and 239.4MB in the end (delta: -21.9MB). Peak memory consumption was 32.7MB. Max. memory is 8.0GB. [2024-01-25 23:20:30,835 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 185.6MB. Free memory was 134.8MB in the beginning and 134.7MB in the end (delta: 139.8kB). There was no memory consumed. Max. memory is 8.0GB. [2024-01-25 23:20:30,835 INFO L158 Benchmark]: CACSL2BoogieTranslator took 307.08ms. Allocated memory is still 264.2MB. Free memory was 217.0MB in the beginning and 196.6MB in the end (delta: 20.4MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. [2024-01-25 23:20:30,836 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.14ms. Allocated memory is still 264.2MB. Free memory was 196.6MB in the beginning and 195.0MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-01-25 23:20:30,836 INFO L158 Benchmark]: Boogie Preprocessor took 31.19ms. Allocated memory is still 264.2MB. Free memory was 195.0MB in the beginning and 193.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-01-25 23:20:30,836 INFO L158 Benchmark]: RCFGBuilder took 332.62ms. Allocated memory is still 264.2MB. Free memory was 193.4MB in the beginning and 175.1MB in the end (delta: 18.3MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2024-01-25 23:20:30,836 INFO L158 Benchmark]: TraceAbstraction took 2412.62ms. Allocated memory was 264.2MB in the beginning and 317.7MB in the end (delta: 53.5MB). Free memory was 174.6MB in the beginning and 239.4MB in the end (delta: -64.8MB). There was no memory consumed. Max. memory is 8.0GB. [2024-01-25 23:20:30,837 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks [2024-01-25 23:20:30,838 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 Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 185.6MB. Free memory was 134.8MB in the beginning and 134.7MB in the end (delta: 139.8kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 307.08ms. Allocated memory is still 264.2MB. Free memory was 217.0MB in the beginning and 196.6MB in the end (delta: 20.4MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 44.14ms. Allocated memory is still 264.2MB. Free memory was 196.6MB in the beginning and 195.0MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 31.19ms. Allocated memory is still 264.2MB. Free memory was 195.0MB in the beginning and 193.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 332.62ms. Allocated memory is still 264.2MB. Free memory was 193.4MB in the beginning and 175.1MB in the end (delta: 18.3MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * TraceAbstraction took 2412.62ms. Allocated memory was 264.2MB in the beginning and 317.7MB in the end (delta: 53.5MB). Free memory was 174.6MB in the beginning and 239.4MB in the end (delta: -64.8MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 866, independent: 835, independent conditional: 835, independent unconditional: 0, dependent: 31, dependent conditional: 31, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 863, independent: 835, independent conditional: 835, independent unconditional: 0, dependent: 28, dependent conditional: 28, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 863, independent: 835, independent conditional: 835, independent unconditional: 0, dependent: 28, dependent conditional: 28, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 991, independent: 835, independent conditional: 0, independent unconditional: 835, dependent: 156, dependent conditional: 128, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 991, independent: 835, independent conditional: 0, independent unconditional: 835, dependent: 156, dependent conditional: 0, dependent unconditional: 156, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 991, independent: 835, independent conditional: 0, independent unconditional: 835, dependent: 156, dependent conditional: 0, dependent unconditional: 156, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 863, independent: 835, independent conditional: 0, independent unconditional: 835, dependent: 28, dependent conditional: 0, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 863, independent: 804, independent conditional: 0, independent unconditional: 804, dependent: 59, dependent conditional: 0, dependent unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 59, independent: 31, independent conditional: 0, independent unconditional: 31, dependent: 28, dependent conditional: 0, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 59, independent: 31, independent conditional: 0, independent unconditional: 31, dependent: 28, dependent conditional: 0, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 59, independent: 31, independent conditional: 0, independent unconditional: 31, dependent: 28, dependent conditional: 0, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 119, independent: 54, independent conditional: 0, independent unconditional: 54, dependent: 65, dependent conditional: 0, dependent unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 991, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 128, dependent conditional: 0, dependent unconditional: 128, unknown: 863, unknown conditional: 0, unknown unconditional: 863] , Statistics on independence cache: Total cache size (in pairs): 863, Positive cache size: 835, Positive conditional cache size: 0, Positive unconditional cache size: 835, Negative cache size: 28, Negative conditional cache size: 0, Negative unconditional cache size: 28, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 128, Maximal queried relation: 6, Independence queries for same thread: 3 - StatisticsResult: Proof manager benchmarks IrresponsibleProofs: 4, RedundantProofs: 2, ProvenStates: 130, Times there's more than one choice: 16, Avg number of choices: 1.123076923076923 - StatisticsResult: Reduction benchmarks 0.1s Time before loop, 0.1s Time in loop, 0.2s Time in total, Has Loop: true, Protected Variables: [write~init~int_#value, t_fun_#res.base, ~tzname~0.offset, old(~tzname~0.offset), write~int_#ptr.base, ~timezone~0, old(~timezone~0), t_funThread1of1ForFork0_#res.offset, ~__daylight~0, old(~__daylight~0), ULTIMATE.start_main_#res#1, ~#A~0.offset, old(~#A~0.offset), ULTIMATE.start___VERIFIER_assert_~cond#1, ULTIMATE.start_main_~r~0#1, ULTIMATE.start_#t~ret18#1, #PthreadsMutexLock_#inputPtr.offset, t_funThread1of1ForFork0_#in~arg.offset, ~#A~0.base, old(~#A~0.base), ~#C~0.offset, old(~#C~0.offset), #Ultimate.allocOnStack_~size, write~init~int_#sizeOfWrittenType, ~daylight~0, old(~daylight~0), ~tzname~0.base, old(~tzname~0.base), ~#C~0.base, old(~#C~0.base), t_fun_~arg.base, t_fun_#in~arg.base, #PthreadsMutexUnlock_#inputPtr.base, #Ultimate.allocOnStack_#res.offset, ULTIMATE.dealloc_~addr.offset, ~__tzname~0.offset, old(~__tzname~0.offset), write~int_#value, write~init~int_#ptr.offset, t_funThread1of1ForFork0_~arg.offset, ULTIMATE.dealloc_~addr.base, t_fun_#t~nondet1, t_fun_#t~nondet2, t_fun_#t~nondet3, t_fun_#t~nondet4, t_fun_#t~nondet5, t_fun_#t~nondet6, t_fun_#t~nondet7, t_fun_#t~nondet8, #pthreadsForks, old(#pthreadsForks), ULTIMATE.start_main_~#id~0#1.offset, t_fun_#res.offset, t_funThread1of1ForFork0_thidvar0, old(t_funThread1of1ForFork0_thidvar0), t_funThread1of1ForFork0_thidvar1, old(t_funThread1of1ForFork0_thidvar1), ~g~0, old(~g~0), #valid, old(#valid), #pthreadsMutex, old(#pthreadsMutex), t_funThread1of1ForFork0_#res.base, #Ultimate.allocInit_~size, #PthreadsMutexLock_#inputPtr.base, write~init~int_#ptr.base, #PthreadsMutexUnlock_#res, t_fun_#in~arg.offset, ~#B~0.offset, old(~#B~0.offset), #Ultimate.allocInit_ptrBase, ULTIMATE.start_main_#t~nondet10#1, ULTIMATE.start_main_#t~nondet11#1, ULTIMATE.start_main_#t~nondet12#1, ULTIMATE.start_main_#t~nondet13#1, ULTIMATE.start_main_#t~nondet14#1, ULTIMATE.start_main_#t~nondet15#1, ULTIMATE.start_main_#t~nondet16#1, ULTIMATE.start_main_#t~nondet17#1, #length, old(#length), write~int_#sizeOfWrittenType, #StackHeapBarrier, old(#StackHeapBarrier), ~#B~0.base, old(~#B~0.base), ~__timezone~0, old(~__timezone~0), #PthreadsMutexLock_#res, write~int_#ptr.offset, ULTIMATE.start_main_#t~pre9#1, ~__tzname~0.base, old(~__tzname~0.base), ULTIMATE.start___VERIFIER_assert_#in~cond#1, #memory_int, old(#memory_int), t_fun_~arg.offset, #Ultimate.allocOnStack_#res.base, t_funThread1of1ForFork0_~arg.base, t_funThread1of1ForFork0_#in~arg.base, ULTIMATE.start_main_~#id~0#1.base, #PthreadsMutexUnlock_#inputPtr.offset, t_funThread1of1ForFork0_#t~nondet1, t_funThread1of1ForFork0_#t~nondet2, t_funThread1of1ForFork0_#t~nondet3, t_funThread1of1ForFork0_#t~nondet4, t_funThread1of1ForFork0_#t~nondet5, t_funThread1of1ForFork0_#t~nondet6, t_funThread1of1ForFork0_#t~nondet7, t_funThread1of1ForFork0_#t~nondet8], Protected Variables before encountering a loop: [] - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: Proof manager benchmarks IrresponsibleProofs: 0, RedundantProofs: 0, ProvenStates: 0, Times there's more than one choice: 0, Avg number of choices: NaN - StatisticsResult: Reduction benchmarks 0.0s Time before loop, 0.0s Time in loop, 0.0s Time in total, Has Loop: false, Protected Variables: [], Protected Variables before encountering a loop: [] - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION with 1 thread instances CFG has 3 procedures, 115 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 2.3s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 1.1s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 32, 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, 0.9s InterpolantComputationTime, 362 NumberOfCodeBlocks, 362 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 356 ConstructedInterpolants, 0 QuantifiedInterpolants, 1419 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency: ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES with 1 thread instances CFG has 3 procedures, 115 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-01-25 23:20:30,849 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 [2024-01-25 23:20:31,053 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-01-25 23:20:31,251 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...