/root/.sdkman/candidates/java/21.0.5-tem/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.commutativity.condition.synthesis NECESSARY_AND_SUFFICIENT -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_29-multiple-protecting2-vesal_true.i -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.conditional-comm-aee53f6 [2024-11-15 22:19:45,144 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-15 22:19:45,210 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2024-11-15 22:19:45,217 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-15 22:19:45,218 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-15 22:19:45,238 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-15 22:19:45,238 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-15 22:19:45,238 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-15 22:19:45,239 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-15 22:19:45,239 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-15 22:19:45,239 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-15 22:19:45,239 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-15 22:19:45,239 INFO L153 SettingsManager]: * Use SBE=true [2024-11-15 22:19:45,239 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-15 22:19:45,239 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-15 22:19:45,239 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-15 22:19:45,239 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-15 22:19:45,240 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-15 22:19:45,240 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-15 22:19:45,240 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-15 22:19:45,240 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-15 22:19:45,240 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-15 22:19:45,240 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-15 22:19:45,240 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-15 22:19:45,240 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-15 22:19:45,240 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-15 22:19:45,240 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-15 22:19:45,240 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-11-15 22:19:45,241 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-15 22:19:45,241 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-15 22:19:45,241 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-15 22:19:45,241 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-15 22:19:45,241 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-15 22:19:45,241 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-15 22:19:45,241 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-15 22:19:45,241 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-15 22:19:45,241 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-15 22:19:45,241 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-15 22:19:45,241 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-15 22:19:45,242 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Commutativity condition synthesis -> NECESSARY_AND_SUFFICIENT [2024-11-15 22:19:45,512 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-15 22:19:45,523 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-15 22:19:45,525 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-15 22:19:45,526 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-15 22:19:45,527 INFO L274 PluginConnector]: CDTParser initialized [2024-11-15 22:19:45,528 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_29-multiple-protecting2-vesal_true.i [2024-11-15 22:19:46,846 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-15 22:19:47,129 INFO L384 CDTParser]: Found 1 translation units. [2024-11-15 22:19:47,133 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/trunk/examples/svcomp/goblint-regression/13-privatized_29-multiple-protecting2-vesal_true.i [2024-11-15 22:19:47,150 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/3a9f10e1b/06cffc8d0006431ca6347c0a40a211ec/FLAG81d4da67c [2024-11-15 22:19:47,166 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/3a9f10e1b/06cffc8d0006431ca6347c0a40a211ec [2024-11-15 22:19:47,168 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-15 22:19:47,170 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-15 22:19:47,174 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-15 22:19:47,174 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-15 22:19:47,178 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-15 22:19:47,179 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:19:47" (1/1) ... [2024-11-15 22:19:47,180 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25392e7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:19:47, skipping insertion in model container [2024-11-15 22:19:47,180 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:19:47" (1/1) ... [2024-11-15 22:19:47,212 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-15 22:19:47,351 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/trunk/examples/svcomp/goblint-regression/13-privatized_29-multiple-protecting2-vesal_true.i[1103,1116] [2024-11-15 22:19:47,472 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-15 22:19:47,492 INFO L200 MainTranslator]: Completed pre-run [2024-11-15 22:19:47,501 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/trunk/examples/svcomp/goblint-regression/13-privatized_29-multiple-protecting2-vesal_true.i[1103,1116] [2024-11-15 22:19:47,523 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-15 22:19:47,549 INFO L204 MainTranslator]: Completed translation [2024-11-15 22:19:47,549 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:19:47 WrapperNode [2024-11-15 22:19:47,549 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-15 22:19:47,550 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-15 22:19:47,550 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-15 22:19:47,550 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-15 22:19:47,556 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:19:47" (1/1) ... [2024-11-15 22:19:47,570 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:19:47" (1/1) ... [2024-11-15 22:19:47,596 INFO L138 Inliner]: procedures = 165, calls = 51, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 91 [2024-11-15 22:19:47,597 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-15 22:19:47,600 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-15 22:19:47,600 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-15 22:19:47,600 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-15 22:19:47,606 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:19:47" (1/1) ... [2024-11-15 22:19:47,606 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:19:47" (1/1) ... [2024-11-15 22:19:47,611 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:19:47" (1/1) ... [2024-11-15 22:19:47,611 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:19:47" (1/1) ... [2024-11-15 22:19:47,620 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:19:47" (1/1) ... [2024-11-15 22:19:47,626 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:19:47" (1/1) ... [2024-11-15 22:19:47,628 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:19:47" (1/1) ... [2024-11-15 22:19:47,629 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:19:47" (1/1) ... [2024-11-15 22:19:47,630 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-15 22:19:47,631 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-15 22:19:47,631 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-15 22:19:47,631 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-15 22:19:47,632 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:19:47" (1/1) ... [2024-11-15 22:19:47,641 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-15 22:19:47,654 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-15 22:19:47,667 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-15 22:19:47,671 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-15 22:19:47,695 INFO L130 BoogieDeclarations]: Found specification of procedure t2_fun [2024-11-15 22:19:47,695 INFO L138 BoogieDeclarations]: Found implementation of procedure t2_fun [2024-11-15 22:19:47,695 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-15 22:19:47,695 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-15 22:19:47,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-15 22:19:47,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-15 22:19:47,695 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-15 22:19:47,696 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-15 22:19:47,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-15 22:19:47,697 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-15 22:19:47,802 INFO L238 CfgBuilder]: Building ICFG [2024-11-15 22:19:47,804 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-15 22:19:48,066 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-15 22:19:48,066 INFO L287 CfgBuilder]: Performing block encoding [2024-11-15 22:19:48,120 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-15 22:19:48,121 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-15 22:19:48,123 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:19:48 BoogieIcfgContainer [2024-11-15 22:19:48,123 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-15 22:19:48,126 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-15 22:19:48,126 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-15 22:19:48,130 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-15 22:19:48,130 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 10:19:47" (1/3) ... [2024-11-15 22:19:48,131 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58adafab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 10:19:48, skipping insertion in model container [2024-11-15 22:19:48,131 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:19:47" (2/3) ... [2024-11-15 22:19:48,131 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58adafab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 10:19:48, skipping insertion in model container [2024-11-15 22:19:48,131 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:19:48" (3/3) ... [2024-11-15 22:19:48,133 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_29-multiple-protecting2-vesal_true.i [2024-11-15 22:19:48,146 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-15 22:19:48,148 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG 13-privatized_29-multiple-protecting2-vesal_true.i that has 2 procedures, 117 locations, 1 initial locations, 0 loop locations, and 3 error locations. [2024-11-15 22:19:48,149 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-15 22:19:48,214 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-15 22:19:48,281 INFO L126 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-15 22:19:48,282 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-15 22:19:48,282 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-15 22:19:48,285 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-11-15 22:19:48,286 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-11-15 22:19:48,353 INFO L181 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-15 22:19:48,364 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-15 22:19:48,370 INFO L333 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, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@15d52809, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-15 22:19:48,371 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-15 22:19:48,785 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-15 22:19:48,785 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-15 22:19:48,785 INFO L132 ounterexampleChecker]: Examining path program with hash 410909249, occurence #1 [2024-11-15 22:19:48,786 INFO L134 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-15 22:19:48,786 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-15 22:19:48,792 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 22:19:48,792 INFO L85 PathProgramCache]: Analyzing trace with hash 908791363, now seen corresponding path program 1 times [2024-11-15 22:19:48,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-15 22:19:48,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304231582] [2024-11-15 22:19:48,798 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 22:19:48,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 22:19:48,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 22:19:49,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-15 22:19:49,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-15 22:19:49,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304231582] [2024-11-15 22:19:49,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1304231582] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-15 22:19:49,564 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-15 22:19:49,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-15 22:19:49,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166398195] [2024-11-15 22:19:49,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-15 22:19:49,569 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-15 22:19:49,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-15 22:19:49,591 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-15 22:19:49,592 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-15 22:19:49,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-15 22:19:49,594 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-15 22:19:49,598 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.444444444444445) internal successors, (76), 9 states have internal predecessors, (76), 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) [2024-11-15 22:19:49,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-15 22:19:49,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-15 22:19:49,790 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-15 22:19:49,790 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-15 22:19:49,790 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-15 22:19:49,790 INFO L132 ounterexampleChecker]: Examining path program with hash 62162251, occurence #1 [2024-11-15 22:19:49,790 INFO L134 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-15 22:19:49,791 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-15 22:19:49,791 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 22:19:49,791 INFO L85 PathProgramCache]: Analyzing trace with hash -2007752571, now seen corresponding path program 1 times [2024-11-15 22:19:49,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-15 22:19:49,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275038362] [2024-11-15 22:19:49,791 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 22:19:49,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 22:19:49,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 22:19:50,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-15 22:19:50,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-15 22:19:50,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275038362] [2024-11-15 22:19:50,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [275038362] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-15 22:19:50,100 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-15 22:19:50,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-15 22:19:50,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772129334] [2024-11-15 22:19:50,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-15 22:19:50,102 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-15 22:19:50,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-15 22:19:50,103 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-15 22:19:50,104 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-15 22:19:50,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-15 22:19:50,104 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-15 22:19:50,104 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 9 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-15 22:19:50,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-15 22:19:50,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-15 22:19:50,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-15 22:19:50,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-15 22:19:50,324 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-15 22:19:50,324 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-15 22:19:50,324 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-15 22:19:50,325 INFO L132 ounterexampleChecker]: Examining path program with hash 873542515, occurence #1 [2024-11-15 22:19:50,325 INFO L134 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-15 22:19:50,325 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-15 22:19:50,325 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 22:19:50,325 INFO L85 PathProgramCache]: Analyzing trace with hash -197598866, now seen corresponding path program 1 times [2024-11-15 22:19:50,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-15 22:19:50,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1338143576] [2024-11-15 22:19:50,326 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 22:19:50,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 22:19:50,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 22:19:50,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-15 22:19:50,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-15 22:19:50,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1338143576] [2024-11-15 22:19:50,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1338143576] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-15 22:19:50,621 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-15 22:19:50,621 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-15 22:19:50,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780097677] [2024-11-15 22:19:50,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-15 22:19:50,621 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-15 22:19:50,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-15 22:19:50,622 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-15 22:19:50,622 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-15 22:19:50,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-15 22:19:50,622 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-15 22:19:50,622 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 8 states have internal predecessors, (94), 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) [2024-11-15 22:19:50,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-15 22:19:50,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-15 22:19:50,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-15 22:19:51,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-15 22:19:51,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-15 22:19:51,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-15 22:19:51,798 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-15 22:19:51,799 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-15 22:19:51,799 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-15 22:19:51,799 INFO L132 ounterexampleChecker]: Examining path program with hash 1863920950, occurence #1 [2024-11-15 22:19:51,799 INFO L134 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-15 22:19:51,799 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-15 22:19:51,799 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 22:19:51,799 INFO L85 PathProgramCache]: Analyzing trace with hash -244238602, now seen corresponding path program 2 times [2024-11-15 22:19:51,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-15 22:19:51,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069992104] [2024-11-15 22:19:51,800 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 22:19:51,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 22:19:51,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 22:19:52,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-15 22:19:52,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-15 22:19:52,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069992104] [2024-11-15 22:19:52,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1069992104] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-15 22:19:52,007 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-15 22:19:52,007 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-15 22:19:52,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524576738] [2024-11-15 22:19:52,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-15 22:19:52,008 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-15 22:19:52,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-15 22:19:52,008 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-15 22:19:52,008 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-15 22:19:52,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-15 22:19:52,009 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-15 22:19:52,009 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.666666666666666) internal successors, (94), 6 states have internal predecessors, (94), 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) [2024-11-15 22:19:52,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-15 22:19:52,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-15 22:19:52,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-15 22:19:52,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-15 22:19:52,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-15 22:19:52,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-15 22:19:52,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-15 22:19:52,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-15 22:19:52,381 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-15 22:19:52,381 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-15 22:19:52,381 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-15 22:19:52,382 INFO L132 ounterexampleChecker]: Examining path program with hash -700612554, occurence #1 [2024-11-15 22:19:52,382 INFO L134 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-15 22:19:52,382 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-15 22:19:52,382 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 22:19:52,382 INFO L85 PathProgramCache]: Analyzing trace with hash -1674350982, now seen corresponding path program 1 times [2024-11-15 22:19:52,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-15 22:19:52,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159354913] [2024-11-15 22:19:52,382 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 22:19:52,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 22:19:52,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 22:19:52,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-15 22:19:52,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-15 22:19:52,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159354913] [2024-11-15 22:19:52,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1159354913] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-15 22:19:52,673 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-15 22:19:52,673 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-15 22:19:52,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794425527] [2024-11-15 22:19:52,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-15 22:19:52,673 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-15 22:19:52,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-15 22:19:52,676 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-15 22:19:52,676 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-15 22:19:52,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-15 22:19:52,676 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-15 22:19:52,676 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.375) internal successors, (83), 8 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-15 22:19:52,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-15 22:19:52,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-15 22:19:52,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-11-15 22:19:52,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-15 22:19:52,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-15 22:19:53,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-15 22:19:53,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-15 22:19:53,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-15 22:19:53,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-15 22:19:53,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-15 22:19:53,436 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2024-11-15 22:19:53,437 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (2 of 4 remaining) [2024-11-15 22:19:53,437 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (1 of 4 remaining) [2024-11-15 22:19:53,437 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-11-15 22:19:53,437 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-15 22:19:53,442 INFO L422 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1] [2024-11-15 22:19:53,445 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-15 22:19:53,445 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-15 22:19:53,467 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-11-15 22:19:53,468 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.11 10:19:53 BasicIcfg [2024-11-15 22:19:53,468 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-15 22:19:53,469 INFO L158 Benchmark]: Toolchain (without parser) took 6299.28ms. Allocated memory was 100.7MB in the beginning and 159.4MB in the end (delta: 58.7MB). Free memory was 71.8MB in the beginning and 86.3MB in the end (delta: -14.5MB). Peak memory consumption was 72.7MB. Max. memory is 8.0GB. [2024-11-15 22:19:53,469 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 100.7MB. Free memory is still 53.0MB. There was no memory consumed. Max. memory is 8.0GB. [2024-11-15 22:19:53,469 INFO L158 Benchmark]: CACSL2BoogieTranslator took 376.11ms. Allocated memory is still 100.7MB. Free memory was 71.5MB in the beginning and 51.1MB in the end (delta: 20.4MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2024-11-15 22:19:53,470 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.33ms. Allocated memory is still 100.7MB. Free memory was 51.1MB in the beginning and 49.4MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 8.0GB. [2024-11-15 22:19:53,470 INFO L158 Benchmark]: Boogie Preprocessor took 30.51ms. Allocated memory is still 100.7MB. Free memory was 49.4MB in the beginning and 48.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 8.0GB. [2024-11-15 22:19:53,470 INFO L158 Benchmark]: RCFGBuilder took 491.92ms. Allocated memory is still 100.7MB. Free memory was 48.1MB in the beginning and 30.2MB in the end (delta: 17.9MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. [2024-11-15 22:19:53,470 INFO L158 Benchmark]: TraceAbstraction took 5342.32ms. Allocated memory was 100.7MB in the beginning and 159.4MB in the end (delta: 58.7MB). Free memory was 29.5MB in the beginning and 86.3MB in the end (delta: -56.8MB). Peak memory consumption was 35.0MB. Max. memory is 8.0GB. [2024-11-15 22:19:53,471 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 100.7MB. Free memory is still 53.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 376.11ms. Allocated memory is still 100.7MB. Free memory was 71.5MB in the beginning and 51.1MB in the end (delta: 20.4MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 46.33ms. Allocated memory is still 100.7MB. Free memory was 51.1MB in the beginning and 49.4MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Preprocessor took 30.51ms. Allocated memory is still 100.7MB. Free memory was 49.4MB in the beginning and 48.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 491.92ms. Allocated memory is still 100.7MB. Free memory was 48.1MB in the beginning and 30.2MB in the end (delta: 17.9MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. * TraceAbstraction took 5342.32ms. Allocated memory was 100.7MB in the beginning and 159.4MB in the end (delta: 58.7MB). Free memory was 29.5MB in the beginning and 86.3MB in the end (delta: -56.8MB). Peak memory consumption was 35.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2551, independent: 2422, independent conditional: 883, independent unconditional: 1539, dependent: 129, dependent conditional: 86, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2481, independent: 2422, independent conditional: 883, independent unconditional: 1539, dependent: 59, dependent conditional: 16, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2481, independent: 2422, independent conditional: 883, independent unconditional: 1539, dependent: 59, dependent conditional: 16, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2549, independent: 2422, independent conditional: 883, independent unconditional: 1539, dependent: 127, dependent conditional: 84, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2549, independent: 2422, independent conditional: 9, independent unconditional: 2413, dependent: 127, dependent conditional: 13, dependent unconditional: 114, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2549, independent: 2422, independent conditional: 9, independent unconditional: 2413, dependent: 127, dependent conditional: 13, dependent unconditional: 114, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1602, independent: 1547, independent conditional: 8, independent unconditional: 1539, dependent: 55, dependent conditional: 12, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1602, independent: 1505, independent conditional: 0, independent unconditional: 1505, dependent: 97, dependent conditional: 0, dependent unconditional: 97, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 97, independent: 42, independent conditional: 8, independent unconditional: 34, dependent: 55, dependent conditional: 12, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 97, independent: 42, independent conditional: 8, independent unconditional: 34, dependent: 55, dependent conditional: 12, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1363, independent: 538, independent conditional: 110, independent unconditional: 428, dependent: 826, dependent conditional: 156, dependent unconditional: 670, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Protected Queries: 0 ], Cache Queries: [ total: 2549, independent: 875, independent conditional: 1, independent unconditional: 874, dependent: 72, dependent conditional: 1, dependent unconditional: 71, unknown: 1602, unknown conditional: 20, unknown unconditional: 1582] , Statistics on independence cache: Total cache size (in pairs): 1602, Positive cache size: 1547, Positive conditional cache size: 8, Positive unconditional cache size: 1539, Negative cache size: 55, Negative conditional cache size: 12, Negative unconditional cache size: 43, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 945, Maximal queried relation: 5, Independence queries for same thread: 70, Persistent sets #1 benchmarks: Persistent set computation time: 1.2s, Number of persistent set computation: 498, Number of trivial persistent sets: 498, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1582, independent: 1539, independent conditional: 0, independent unconditional: 1539, dependent: 43, dependent conditional: 0, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2551, independent: 2422, independent conditional: 883, independent unconditional: 1539, dependent: 129, dependent conditional: 86, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2481, independent: 2422, independent conditional: 883, independent unconditional: 1539, dependent: 59, dependent conditional: 16, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2481, independent: 2422, independent conditional: 883, independent unconditional: 1539, dependent: 59, dependent conditional: 16, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2549, independent: 2422, independent conditional: 883, independent unconditional: 1539, dependent: 127, dependent conditional: 84, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2549, independent: 2422, independent conditional: 9, independent unconditional: 2413, dependent: 127, dependent conditional: 13, dependent unconditional: 114, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2549, independent: 2422, independent conditional: 9, independent unconditional: 2413, dependent: 127, dependent conditional: 13, dependent unconditional: 114, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1602, independent: 1547, independent conditional: 8, independent unconditional: 1539, dependent: 55, dependent conditional: 12, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1602, independent: 1505, independent conditional: 0, independent unconditional: 1505, dependent: 97, dependent conditional: 0, dependent unconditional: 97, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 97, independent: 42, independent conditional: 8, independent unconditional: 34, dependent: 55, dependent conditional: 12, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 97, independent: 42, independent conditional: 8, independent unconditional: 34, dependent: 55, dependent conditional: 12, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1363, independent: 538, independent conditional: 110, independent unconditional: 428, dependent: 826, dependent conditional: 156, dependent unconditional: 670, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Protected Queries: 0 ], Cache Queries: [ total: 2549, independent: 875, independent conditional: 1, independent unconditional: 874, dependent: 72, dependent conditional: 1, dependent unconditional: 71, unknown: 1602, unknown conditional: 20, unknown unconditional: 1582] , Statistics on independence cache: Total cache size (in pairs): 1602, Positive cache size: 1547, Positive conditional cache size: 8, Positive unconditional cache size: 1539, Negative cache size: 55, Negative conditional cache size: 12, Negative unconditional cache size: 43, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 945, Maximal queried relation: 5, Independence queries for same thread: 70 - 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 - 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 - 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 errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 3 procedures, 140 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 5.1s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 3.1s, 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: 73, 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, 1.6s InterpolantComputationTime, 429 NumberOfCodeBlocks, 429 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 424 ConstructedInterpolants, 0 QuantifiedInterpolants, 1653 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: CheckTime: 0.0s, ConditionCalculationTime: 0.0s, CommutingCounterexamples: 0, ConditionCalculations: 0, TraceChecks: 0, UnknownTraceChecks: 0, ImperfectProofs: 0, QuantifiedConditions: 0, FalseConditions: 0 - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-15 22:19:53,492 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...