/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --traceabstraction.prune.known.deadend.states.from.previous.iterations false -s ../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_ERROR_LOCATION -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_pos.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.dynamic-abstractions-e23131f-m [2024-05-03 03:12:19,803 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-03 03:12:19,875 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf [2024-05-03 03:12:19,880 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-03 03:12:19,881 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-03 03:12:19,881 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-05-03 03:12:19,911 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-03 03:12:19,912 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-03 03:12:19,912 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-03 03:12:19,913 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-03 03:12:19,913 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-03 03:12:19,913 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-03 03:12:19,914 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-03 03:12:19,914 INFO L153 SettingsManager]: * Use SBE=true [2024-05-03 03:12:19,914 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-03 03:12:19,915 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-03 03:12:19,915 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-03 03:12:19,915 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-03 03:12:19,916 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-03 03:12:19,916 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-03 03:12:19,916 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-03 03:12:19,917 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-03 03:12:19,917 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-03 03:12:19,917 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-03 03:12:19,918 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-03 03:12:19,918 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-03 03:12:19,918 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-03 03:12:19,919 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-03 03:12:19,919 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-03 03:12:19,919 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-03 03:12:19,919 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-03 03:12:19,920 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-03 03:12:19,920 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-03 03:12:19,920 INFO L153 SettingsManager]: * Abstraction for dynamic stratified reduction=VARIABLES_GLOBAL [2024-05-03 03:12:19,921 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-03 03:12:19,921 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-03 03:12:19,921 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=DYNAMIC_ABSTRACTIONS [2024-05-03 03:12:19,922 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2024-05-03 03:12:19,922 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-03 03:12:19,922 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-03 03:12:19,922 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-03 03:12:19,923 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION [2024-05-03 03:12:20,183 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-03 03:12:20,201 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-03 03:12:20,204 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-03 03:12:20,206 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-03 03:12:20,206 INFO L274 PluginConnector]: CDTParser initialized [2024-05-03 03:12:20,208 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_pos.i [2024-05-03 03:12:21,441 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-03 03:12:21,664 INFO L384 CDTParser]: Found 1 translation units. [2024-05-03 03:12:21,665 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_pos.i [2024-05-03 03:12:21,683 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/ba11279d7/dad2f4629879470aa2e3d814373db509/FLAG816cab4ef [2024-05-03 03:12:21,695 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/ba11279d7/dad2f4629879470aa2e3d814373db509 [2024-05-03 03:12:21,698 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-03 03:12:21,699 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-03 03:12:21,700 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-03 03:12:21,700 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-03 03:12:21,708 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-03 03:12:21,709 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.05 03:12:21" (1/1) ... [2024-05-03 03:12:21,710 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9e35550 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 03:12:21, skipping insertion in model container [2024-05-03 03:12:21,710 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.05 03:12:21" (1/1) ... [2024-05-03 03:12:21,741 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-03 03:12:21,873 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_41-traces-ex-7_unknown_1_pos.i[1097,1110] [2024-05-03 03:12:22,014 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-03 03:12:22,033 INFO L202 MainTranslator]: Completed pre-run [2024-05-03 03:12:22,045 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_41-traces-ex-7_unknown_1_pos.i[1097,1110] [2024-05-03 03:12:22,082 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-03 03:12:22,125 INFO L206 MainTranslator]: Completed translation [2024-05-03 03:12:22,127 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 03:12:22 WrapperNode [2024-05-03 03:12:22,127 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-03 03:12:22,128 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-03 03:12:22,128 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-03 03:12:22,129 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-03 03:12:22,135 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 03:12:22" (1/1) ... [2024-05-03 03:12:22,163 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 03:12:22" (1/1) ... [2024-05-03 03:12:22,185 INFO L138 Inliner]: procedures = 163, calls = 31, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 51 [2024-05-03 03:12:22,185 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-03 03:12:22,186 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-03 03:12:22,186 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-03 03:12:22,186 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-03 03:12:22,194 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 03:12:22" (1/1) ... [2024-05-03 03:12:22,194 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 03:12:22" (1/1) ... [2024-05-03 03:12:22,206 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 03:12:22" (1/1) ... [2024-05-03 03:12:22,206 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 03:12:22" (1/1) ... [2024-05-03 03:12:22,215 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 03:12:22" (1/1) ... [2024-05-03 03:12:22,217 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 03:12:22" (1/1) ... [2024-05-03 03:12:22,218 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 03:12:22" (1/1) ... [2024-05-03 03:12:22,219 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 03:12:22" (1/1) ... [2024-05-03 03:12:22,221 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-03 03:12:22,222 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-03 03:12:22,222 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-03 03:12:22,222 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-03 03:12:22,222 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 03:12:22" (1/1) ... [2024-05-03 03:12:22,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-03 03:12:22,237 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 03:12:22,251 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-05-03 03:12:22,273 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-05-03 03:12:22,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-03 03:12:22,301 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-05-03 03:12:22,301 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-03 03:12:22,301 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-03 03:12:22,301 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-05-03 03:12:22,301 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-05-03 03:12:22,301 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-03 03:12:22,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-03 03:12:22,302 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-05-03 03:12:22,302 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-03 03:12:22,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-03 03:12:22,305 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-05-03 03:12:22,460 INFO L241 CfgBuilder]: Building ICFG [2024-05-03 03:12:22,462 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-03 03:12:22,581 INFO L282 CfgBuilder]: Performing block encoding [2024-05-03 03:12:22,609 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-03 03:12:22,609 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2024-05-03 03:12:22,609 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.05 03:12:22 BoogieIcfgContainer [2024-05-03 03:12:22,610 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-03 03:12:22,653 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-03 03:12:22,653 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-03 03:12:22,657 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-03 03:12:22,657 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.05 03:12:21" (1/3) ... [2024-05-03 03:12:22,658 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e6225bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.05 03:12:22, skipping insertion in model container [2024-05-03 03:12:22,658 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 03:12:22" (2/3) ... [2024-05-03 03:12:22,658 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e6225bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.05 03:12:22, skipping insertion in model container [2024-05-03 03:12:22,658 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.05 03:12:22" (3/3) ... [2024-05-03 03:12:22,659 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_41-traces-ex-7_unknown_1_pos.i [2024-05-03 03:12:22,670 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-03 03:12:22,683 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-03 03:12:22,683 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-03 03:12:22,703 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-03 03:12:22,761 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-05-03 03:12:22,797 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-03 03:12:22,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-03 03:12:22,798 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 03:12:22,799 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-05-03 03:12:22,800 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-05-03 03:12:22,836 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-03 03:12:22,845 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2024-05-03 03:12:22,851 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;@2525a15d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-03 03:12:22,852 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-05-03 03:12:22,859 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 03:12:22,876 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 55 states. [2024-05-03 03:12:22,877 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-03 03:12:22,880 INFO L78 Accepts]: Start accepts. Automaton has currently 57 states, but on-demand construction may add more states Word has length 41 [2024-05-03 03:12:22,882 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 03:12:22,883 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 03:12:22,890 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 03:12:22,891 INFO L85 PathProgramCache]: Analyzing trace with hash -480133255, now seen corresponding path program 1 times [2024-05-03 03:12:22,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 03:12:22,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711750191] [2024-05-03 03:12:22,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 03:12:22,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 03:12:23,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 03:12:23,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 03:12:23,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 03:12:23,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711750191] [2024-05-03 03:12:23,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [711750191] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-03 03:12:23,460 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-03 03:12:23,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-05-03 03:12:23,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584766106] [2024-05-03 03:12:23,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-03 03:12:23,466 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-05-03 03:12:23,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 03:12:23,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-05-03 03:12:23,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-05-03 03:12:23,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 03:12:23,491 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 03:12:23,492 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-03 03:12:23,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 03:12:23,493 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 03:12:23,745 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 101 states. [2024-05-03 03:12:23,745 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-03 03:12:23,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 03:12:23,746 INFO L78 Accepts]: Start accepts. Automaton has currently 114 states, but on-demand construction may add more states Word has length 47 [2024-05-03 03:12:23,746 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 03:12:23,747 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-03 03:12:23,747 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 03:12:23,747 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 03:12:23,747 INFO L85 PathProgramCache]: Analyzing trace with hash -1518468618, now seen corresponding path program 1 times [2024-05-03 03:12:23,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 03:12:23,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511745835] [2024-05-03 03:12:23,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 03:12:23,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 03:12:23,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 03:12:24,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 03:12:24,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 03:12:24,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [511745835] [2024-05-03 03:12:24,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [511745835] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-03 03:12:24,034 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-03 03:12:24,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-03 03:12:24,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356486445] [2024-05-03 03:12:24,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-03 03:12:24,036 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-03 03:12:24,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 03:12:24,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-03 03:12:24,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-05-03 03:12:24,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 03:12:24,038 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 03:12:24,038 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-03 03:12:24,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 03:12:24,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 03:12:24,039 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 03:12:24,231 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 98 states. [2024-05-03 03:12:24,231 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-03 03:12:24,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 03:12:24,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-03 03:12:24,232 INFO L78 Accepts]: Start accepts. Automaton has currently 104 states, but on-demand construction may add more states Word has length 48 [2024-05-03 03:12:24,232 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 03:12:24,232 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-05-03 03:12:24,233 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 03:12:24,233 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 03:12:24,233 INFO L85 PathProgramCache]: Analyzing trace with hash 1880385523, now seen corresponding path program 1 times [2024-05-03 03:12:24,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 03:12:24,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777624068] [2024-05-03 03:12:24,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 03:12:24,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 03:12:24,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 03:12:24,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 03:12:24,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 03:12:24,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1777624068] [2024-05-03 03:12:24,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1777624068] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-03 03:12:24,376 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-03 03:12:24,376 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-05-03 03:12:24,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932910199] [2024-05-03 03:12:24,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-03 03:12:24,376 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-05-03 03:12:24,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 03:12:24,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-05-03 03:12:24,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-05-03 03:12:24,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 03:12:24,378 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 03:12:24,378 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-03 03:12:24,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 03:12:24,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-03 03:12:24,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 03:12:24,379 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 03:12:24,455 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 100 states. [2024-05-03 03:12:24,455 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-03 03:12:24,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 03:12:24,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-03 03:12:24,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-03 03:12:24,457 INFO L78 Accepts]: Start accepts. Automaton has currently 108 states, but on-demand construction may add more states Word has length 48 [2024-05-03 03:12:24,457 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 03:12:24,457 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-05-03 03:12:24,457 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 03:12:24,458 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 03:12:24,458 INFO L85 PathProgramCache]: Analyzing trace with hash 221261753, now seen corresponding path program 2 times [2024-05-03 03:12:24,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 03:12:24,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520427976] [2024-05-03 03:12:24,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 03:12:24,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 03:12:24,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 03:12:24,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 03:12:24,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 03:12:24,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [520427976] [2024-05-03 03:12:24,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [520427976] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-03 03:12:24,628 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-03 03:12:24,629 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-05-03 03:12:24,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340130956] [2024-05-03 03:12:24,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-03 03:12:24,629 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-05-03 03:12:24,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 03:12:24,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-05-03 03:12:24,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-05-03 03:12:24,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 03:12:24,630 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 03:12:24,631 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-03 03:12:24,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 03:12:24,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-03 03:12:24,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-03 03:12:24,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 03:12:24,631 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 03:12:24,736 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 103 states. [2024-05-03 03:12:24,736 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-03 03:12:24,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 03:12:24,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-03 03:12:24,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-03 03:12:24,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-03 03:12:24,737 INFO L78 Accepts]: Start accepts. Automaton has currently 112 states, but on-demand construction may add more states Word has length 50 [2024-05-03 03:12:24,738 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 03:12:24,738 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-05-03 03:12:24,738 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 03:12:24,739 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 03:12:24,739 INFO L85 PathProgramCache]: Analyzing trace with hash 82554008, now seen corresponding path program 1 times [2024-05-03 03:12:24,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 03:12:24,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299455899] [2024-05-03 03:12:24,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 03:12:24,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 03:12:24,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 03:12:24,768 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-03 03:12:24,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 03:12:24,816 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-05-03 03:12:24,816 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-05-03 03:12:24,817 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-05-03 03:12:24,819 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-05-03 03:12:24,836 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1] [2024-05-03 03:12:24,838 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION was UNSAFE (1/2) [2024-05-03 03:12:24,840 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-05-03 03:12:24,840 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-05-03 03:12:24,883 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.05 03:12:24 BasicIcfg [2024-05-03 03:12:24,883 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-05-03 03:12:24,884 INFO L158 Benchmark]: Toolchain (without parser) took 3185.16ms. Allocated memory is still 277.9MB. Free memory was 206.1MB in the beginning and 166.7MB in the end (delta: 39.4MB). Peak memory consumption was 40.2MB. Max. memory is 8.0GB. [2024-05-03 03:12:24,884 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 277.9MB. Free memory is still 247.1MB. There was no memory consumed. Max. memory is 8.0GB. [2024-05-03 03:12:24,884 INFO L158 Benchmark]: CACSL2BoogieTranslator took 427.63ms. Allocated memory is still 277.9MB. Free memory was 205.9MB in the beginning and 186.2MB in the end (delta: 19.8MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. [2024-05-03 03:12:24,885 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.08ms. Allocated memory is still 277.9MB. Free memory was 186.2MB in the beginning and 184.3MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-05-03 03:12:24,885 INFO L158 Benchmark]: Boogie Preprocessor took 34.82ms. Allocated memory is still 277.9MB. Free memory was 184.3MB in the beginning and 182.9MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-05-03 03:12:24,885 INFO L158 Benchmark]: RCFGBuilder took 388.21ms. Allocated memory is still 277.9MB. Free memory was 182.9MB in the beginning and 167.8MB in the end (delta: 15.1MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. [2024-05-03 03:12:24,886 INFO L158 Benchmark]: TraceAbstraction took 2230.17ms. Allocated memory is still 277.9MB. Free memory was 246.0MB in the beginning and 166.7MB in the end (delta: 79.3MB). Peak memory consumption was 79.0MB. Max. memory is 8.0GB. [2024-05-03 03:12:24,889 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 277.9MB. Free memory is still 247.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 427.63ms. Allocated memory is still 277.9MB. Free memory was 205.9MB in the beginning and 186.2MB in the end (delta: 19.8MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 57.08ms. Allocated memory is still 277.9MB. Free memory was 186.2MB in the beginning and 184.3MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 34.82ms. Allocated memory is still 277.9MB. Free memory was 184.3MB in the beginning and 182.9MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 388.21ms. Allocated memory is still 277.9MB. Free memory was 182.9MB in the beginning and 167.8MB in the end (delta: 15.1MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. * TraceAbstraction took 2230.17ms. Allocated memory is still 277.9MB. Free memory was 246.0MB in the beginning and 166.7MB in the end (delta: 79.3MB). Peak memory consumption was 79.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 124, independent: 118, independent conditional: 118, independent unconditional: 0, dependent: 6, dependent conditional: 6, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 124, independent: 118, independent conditional: 118, independent unconditional: 0, dependent: 6, dependent conditional: 6, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 124, independent: 118, independent conditional: 118, independent unconditional: 0, dependent: 6, dependent conditional: 6, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 140, independent: 118, independent conditional: 0, independent unconditional: 118, dependent: 22, dependent conditional: 16, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 140, independent: 118, independent conditional: 0, independent unconditional: 118, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 140, independent: 118, independent conditional: 0, independent unconditional: 118, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 124, independent: 118, independent conditional: 0, independent unconditional: 118, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 124, independent: 112, independent conditional: 0, independent unconditional: 112, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 12, independent: 6, independent conditional: 0, independent unconditional: 6, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 12, independent: 6, independent conditional: 0, independent unconditional: 6, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 12, independent: 6, independent conditional: 0, independent unconditional: 6, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 58, independent: 31, independent conditional: 0, independent unconditional: 31, dependent: 27, dependent conditional: 0, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 140, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 124, unknown conditional: 0, unknown unconditional: 124] , Statistics on independence cache: Total cache size (in pairs): 124, Positive cache size: 118, Positive conditional cache size: 0, Positive unconditional cache size: 118, 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: 16, Maximal queried relation: 4, Independence queries for same thread: 0 - StatisticsResult: Reduction benchmarks 17.4ms Time before loop, 0.0ms Time in loop, 0.0s Time in total, Has Loop: 0, wrong guesses: 0, overall guesses: 0, Reduction States: 55, Duplicate States: 0, Protected Variables: 0 - StatisticsResult: Reduction benchmarks 252.1ms Time before loop, 0.0ms Time in loop, 0.3s Time in total, Has Loop: 0, wrong guesses: 0, overall guesses: 0, Reduction States: 101, Duplicate States: 0, Protected Variables: 3 - StatisticsResult: Reduction benchmarks 191.0ms Time before loop, 0.0ms Time in loop, 0.2s Time in total, Has Loop: 0, wrong guesses: 0, overall guesses: 0, Reduction States: 98, Duplicate States: 0, Protected Variables: 7 - StatisticsResult: Reduction benchmarks 75.5ms Time before loop, 0.0ms Time in loop, 0.1s Time in total, Has Loop: 0, wrong guesses: 0, overall guesses: 0, Reduction States: 100, Duplicate States: 0, Protected Variables: 8 - StatisticsResult: Reduction benchmarks 104.7ms Time before loop, 0.0ms Time in loop, 0.1s Time in total, Has Loop: 0, wrong guesses: 0, overall guesses: 0, Reduction States: 103, Duplicate States: 0, Protected Variables: 8 - StatisticsResult: Visitor Statistics States: 42, Transitions: 41, Traversal time: 0.0s - StatisticsResult: Visitor Statistics States: 87, Transitions: 87, Traversal time: 0.3s - StatisticsResult: Visitor Statistics States: 77, Transitions: 85, Traversal time: 0.2s - StatisticsResult: Visitor Statistics States: 77, Transitions: 86, Traversal time: 0.1s - StatisticsResult: Visitor Statistics States: 79, Transitions: 89, Traversal time: 0.1s - StatisticsResult: Proof manager benchmarks IrresponsibleProofs: 1, RedundantProofs: 1, ProvenStates: 30, Times there's more than one choice: 4, Avg number of choices: 1.1333333333333333 - CounterExampleResult [Line: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L681] 0 int g = 0; VAL [g=0] [L682] 0 pthread_mutex_t A = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [A={3:0}, g=0] [L683] 0 pthread_mutex_t D = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [A={3:0}, D={4:0}, g=0] [L693] 0 pthread_t id; VAL [A={3:0}, D={4:0}, g=0, id={5:0}] [L694] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [A={3:0}, D={4:0}, arg={0:0}, g=0, id={5:0}] [L687] 1 g = 17 VAL [A={3:0}, D={4:0}, arg={0:0}, arg={0:0}, g=17] [L698] CALL 0 __VERIFIER_assert(g == 0) [L19] COND TRUE 0 !(cond) VAL [A={3:0}, D={4:0}, \old(cond)=0, arg={0:0}, arg={0:0}, cond=0, g=17] [L19] 0 reach_error() VAL [A={3:0}, D={4:0}, \old(cond)=0, arg={0:0}, arg={0:0}, cond=0, g=17] - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION with 1 thread instances CFG has 3 procedures, 79 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 2.0s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.7s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 20, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 234 NumberOfCodeBlocks, 234 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 180 ConstructedInterpolants, 0 QuantifiedInterpolants, 527 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-05-03 03:12:24,920 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 [2024-05-03 03:12:25,114 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...