This is Ultimate 0.2.5-wip.dk.conditional-comm-b86fb0b-m [2024-10-16 14:25:46,890 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-16 14:25:46,964 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-10-16 14:25:46,971 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-16 14:25:46,972 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-16 14:25:47,001 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-16 14:25:47,002 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-16 14:25:47,002 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-16 14:25:47,004 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-16 14:25:47,004 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-16 14:25:47,005 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-16 14:25:47,005 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-16 14:25:47,005 INFO L153 SettingsManager]: * Use SBE=true [2024-10-16 14:25:47,006 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-16 14:25:47,007 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-16 14:25:47,007 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-16 14:25:47,007 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-16 14:25:47,008 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-16 14:25:47,008 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-16 14:25:47,008 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-16 14:25:47,008 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-16 14:25:47,008 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-16 14:25:47,009 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-16 14:25:47,009 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-16 14:25:47,009 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-16 14:25:47,009 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-16 14:25:47,009 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-16 14:25:47,010 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-16 14:25:47,010 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-16 14:25:47,010 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-16 14:25:47,010 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-16 14:25:47,011 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-16 14:25:47,011 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-16 14:25:47,011 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-16 14:25:47,011 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-16 14:25:47,011 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-16 14:25:47,011 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-16 14:25:47,012 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-16 14:25:47,012 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-16 14:25:47,012 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-16 14:25:47,012 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-16 14:25:47,014 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.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3e310cbbcaa6ee1bb3c2e05a2a5fb7cb2ddde366fa4283fb7922170dd08986ab 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: Additional conditional commutativity checking -> COUNTEREXAMPLE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> DEFAULT Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: TraceCheck mode for conditional commutativity -> SYMBOLIC_RELATION [2024-10-16 14:25:47,291 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-16 14:25:47,313 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-16 14:25:47,315 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-16 14:25:47,317 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-16 14:25:47,317 INFO L274 PluginConnector]: CDTParser initialized [2024-10-16 14:25:47,318 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/chl-collitem-trans.wvr.c [2024-10-16 14:25:48,672 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-16 14:25:48,861 INFO L384 CDTParser]: Found 1 translation units. [2024-10-16 14:25:48,862 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-collitem-trans.wvr.c [2024-10-16 14:25:48,872 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/004e1d7bf/f51997d915874945a1b89130d4d74d66/FLAGfc935a7b6 [2024-10-16 14:25:48,886 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/004e1d7bf/f51997d915874945a1b89130d4d74d66 [2024-10-16 14:25:48,888 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-16 14:25:48,890 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-16 14:25:48,892 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-16 14:25:48,892 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-16 14:25:48,897 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-16 14:25:48,897 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:25:48" (1/1) ... [2024-10-16 14:25:48,898 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29a2cf02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:25:48, skipping insertion in model container [2024-10-16 14:25:48,898 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:25:48" (1/1) ... [2024-10-16 14:25:48,919 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-16 14:25:49,113 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-collitem-trans.wvr.c[3520,3533] [2024-10-16 14:25:49,123 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-16 14:25:49,135 INFO L200 MainTranslator]: Completed pre-run [2024-10-16 14:25:49,159 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-collitem-trans.wvr.c[3520,3533] [2024-10-16 14:25:49,163 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-16 14:25:49,178 INFO L204 MainTranslator]: Completed translation [2024-10-16 14:25:49,178 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:25:49 WrapperNode [2024-10-16 14:25:49,178 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-16 14:25:49,179 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-16 14:25:49,179 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-16 14:25:49,180 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-16 14:25:49,185 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:25:49" (1/1) ... [2024-10-16 14:25:49,192 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:25:49" (1/1) ... [2024-10-16 14:25:49,227 INFO L138 Inliner]: procedures = 22, calls = 30, calls flagged for inlining = 17, calls inlined = 39, statements flattened = 345 [2024-10-16 14:25:49,230 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-16 14:25:49,231 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-16 14:25:49,231 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-16 14:25:49,231 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-16 14:25:49,239 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:25:49" (1/1) ... [2024-10-16 14:25:49,239 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:25:49" (1/1) ... [2024-10-16 14:25:49,246 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:25:49" (1/1) ... [2024-10-16 14:25:49,247 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:25:49" (1/1) ... [2024-10-16 14:25:49,260 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:25:49" (1/1) ... [2024-10-16 14:25:49,267 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:25:49" (1/1) ... [2024-10-16 14:25:49,269 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:25:49" (1/1) ... [2024-10-16 14:25:49,270 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:25:49" (1/1) ... [2024-10-16 14:25:49,277 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-16 14:25:49,282 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-16 14:25:49,282 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-16 14:25:49,282 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-16 14:25:49,283 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:25:49" (1/1) ... [2024-10-16 14:25:49,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-16 14:25:49,303 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-16 14:25:49,318 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) [2024-10-16 14:25:49,321 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 [2024-10-16 14:25:49,363 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-16 14:25:49,363 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-16 14:25:49,363 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-16 14:25:49,363 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-16 14:25:49,363 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-16 14:25:49,363 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-10-16 14:25:49,364 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-10-16 14:25:49,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-16 14:25:49,364 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-16 14:25:49,364 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-16 14:25:49,365 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-16 14:25:49,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-16 14:25:49,366 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-16 14:25:49,492 INFO L238 CfgBuilder]: Building ICFG [2024-10-16 14:25:49,494 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-16 14:25:50,023 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-16 14:25:50,023 INFO L287 CfgBuilder]: Performing block encoding [2024-10-16 14:25:50,522 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-16 14:25:50,522 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-16 14:25:50,523 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:25:50 BoogieIcfgContainer [2024-10-16 14:25:50,523 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-16 14:25:50,525 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-16 14:25:50,526 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-16 14:25:50,529 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-16 14:25:50,529 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 02:25:48" (1/3) ... [2024-10-16 14:25:50,530 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bc2a1f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:25:50, skipping insertion in model container [2024-10-16 14:25:50,531 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:25:49" (2/3) ... [2024-10-16 14:25:50,532 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bc2a1f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:25:50, skipping insertion in model container [2024-10-16 14:25:50,532 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:25:50" (3/3) ... [2024-10-16 14:25:50,533 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-collitem-trans.wvr.c [2024-10-16 14:25:50,548 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-16 14:25:50,549 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-16 14:25:50,550 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-16 14:25:50,628 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-10-16 14:25:50,666 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-16 14:25:50,667 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-16 14:25:50,667 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-16 14:25:50,669 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) [2024-10-16 14:25:50,670 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 [2024-10-16 14:25:50,758 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-16 14:25:50,774 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 14:25:50,776 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-10-16 14:25:50,782 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;@48ce37cd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=COUNTEREXAMPLE, mConComCheckerCriterion=DEFAULT, mConComCheckerTraceCheckMode=SYMBOLIC_RELATION, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-10-16 14:25:50,782 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-10-16 14:25:51,130 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-16 14:25:51,133 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 14:25:51,134 INFO L85 PathProgramCache]: Analyzing trace with hash 1480837224, now seen corresponding path program 1 times [2024-10-16 14:25:51,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-16 14:25:51,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95758626] [2024-10-16 14:25:51,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 14:25:51,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 14:25:51,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 14:25:53,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-16 14:25:53,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-16 14:25:53,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95758626] [2024-10-16 14:25:53,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [95758626] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-16 14:25:53,774 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-16 14:25:53,774 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-16 14:25:53,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500563370] [2024-10-16 14:25:53,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-16 14:25:53,780 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-16 14:25:53,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-16 14:25:53,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-16 14:25:53,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-16 14:25:53,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-16 14:25:53,813 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-16 14:25:53,814 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 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) [2024-10-16 14:25:53,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-16 14:25:54,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-16 14:25:54,136 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2024-10-16 14:25:54,136 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-10-16 14:25:54,136 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-10-16 14:25:54,137 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-10-16 14:25:54,137 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-16 14:25:54,143 INFO L414 BasicCegarLoop]: Path program histogram: [1] [2024-10-16 14:25:54,146 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-16 14:25:54,146 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-16 14:25:54,149 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 02:25:54 BasicIcfg [2024-10-16 14:25:54,149 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-16 14:25:54,149 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-16 14:25:54,149 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-16 14:25:54,150 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-16 14:25:54,150 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:25:50" (3/4) ... [2024-10-16 14:25:54,151 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-16 14:25:54,154 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-10-16 14:25:54,154 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-10-16 14:25:54,155 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-10-16 14:25:54,159 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 96 nodes and edges [2024-10-16 14:25:54,160 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-10-16 14:25:54,160 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-10-16 14:25:54,161 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-16 14:25:54,239 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.graphml [2024-10-16 14:25:54,239 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.yml [2024-10-16 14:25:54,239 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-16 14:25:54,240 INFO L158 Benchmark]: Toolchain (without parser) took 5349.77ms. Allocated memory was 60.8MB in the beginning and 192.9MB in the end (delta: 132.1MB). Free memory was 30.5MB in the beginning and 55.7MB in the end (delta: -25.3MB). Peak memory consumption was 107.5MB. Max. memory is 16.1GB. [2024-10-16 14:25:54,240 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 46.1MB. Free memory was 26.8MB in the beginning and 26.8MB in the end (delta: 52.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-16 14:25:54,243 INFO L158 Benchmark]: CACSL2BoogieTranslator took 286.98ms. Allocated memory is still 60.8MB. Free memory was 30.3MB in the beginning and 34.9MB in the end (delta: -4.6MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. [2024-10-16 14:25:54,244 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.52ms. Allocated memory is still 60.8MB. Free memory was 34.9MB in the beginning and 31.9MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-16 14:25:54,244 INFO L158 Benchmark]: Boogie Preprocessor took 49.78ms. Allocated memory is still 60.8MB. Free memory was 31.9MB in the beginning and 29.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-16 14:25:54,245 INFO L158 Benchmark]: RCFGBuilder took 1241.77ms. Allocated memory was 60.8MB in the beginning and 98.6MB in the end (delta: 37.7MB). Free memory was 29.7MB in the beginning and 62.4MB in the end (delta: -32.7MB). Peak memory consumption was 31.3MB. Max. memory is 16.1GB. [2024-10-16 14:25:54,245 INFO L158 Benchmark]: TraceAbstraction took 3623.58ms. Allocated memory was 98.6MB in the beginning and 192.9MB in the end (delta: 94.4MB). Free memory was 61.7MB in the beginning and 61.0MB in the end (delta: 679.4kB). Peak memory consumption was 94.4MB. Max. memory is 16.1GB. [2024-10-16 14:25:54,245 INFO L158 Benchmark]: Witness Printer took 89.81ms. Allocated memory is still 192.9MB. Free memory was 61.0MB in the beginning and 55.7MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-16 14:25:54,246 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 46.1MB. Free memory was 26.8MB in the beginning and 26.8MB in the end (delta: 52.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 286.98ms. Allocated memory is still 60.8MB. Free memory was 30.3MB in the beginning and 34.9MB in the end (delta: -4.6MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.52ms. Allocated memory is still 60.8MB. Free memory was 34.9MB in the beginning and 31.9MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.78ms. Allocated memory is still 60.8MB. Free memory was 31.9MB in the beginning and 29.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1241.77ms. Allocated memory was 60.8MB in the beginning and 98.6MB in the end (delta: 37.7MB). Free memory was 29.7MB in the beginning and 62.4MB in the end (delta: -32.7MB). Peak memory consumption was 31.3MB. Max. memory is 16.1GB. * TraceAbstraction took 3623.58ms. Allocated memory was 98.6MB in the beginning and 192.9MB in the end (delta: 94.4MB). Free memory was 61.7MB in the beginning and 61.0MB in the end (delta: 679.4kB). Peak memory consumption was 94.4MB. Max. memory is 16.1GB. * Witness Printer took 89.81ms. Allocated memory is still 192.9MB. Free memory was 61.0MB in the beginning and 55.7MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 392, independent: 388, independent conditional: 138, independent unconditional: 250, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 392, independent: 388, independent conditional: 138, independent unconditional: 250, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 392, independent: 388, independent conditional: 138, independent unconditional: 250, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 392, independent: 388, independent conditional: 138, independent unconditional: 250, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 396, independent: 388, independent conditional: 138, independent unconditional: 250, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 396, independent: 388, independent conditional: 0, independent unconditional: 388, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 396, independent: 388, independent conditional: 0, independent unconditional: 388, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 254, independent: 250, independent conditional: 0, independent unconditional: 250, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 254, independent: 248, independent conditional: 0, independent unconditional: 248, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 6, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 6, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 347, independent: 114, independent conditional: 0, independent unconditional: 114, dependent: 233, dependent conditional: 0, dependent unconditional: 233, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 396, independent: 138, independent conditional: 0, independent unconditional: 138, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 254, unknown conditional: 0, unknown unconditional: 254] , Statistics on independence cache: Total cache size (in pairs): 254, Positive cache size: 250, Positive conditional cache size: 0, Positive unconditional cache size: 250, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 138, Maximal queried relation: 0, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 396, independent: 388, independent conditional: 138, independent unconditional: 250, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 396, independent: 388, independent conditional: 0, independent unconditional: 388, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 396, independent: 388, independent conditional: 0, independent unconditional: 388, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 254, independent: 250, independent conditional: 0, independent unconditional: 250, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 254, independent: 248, independent conditional: 0, independent unconditional: 248, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 6, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 6, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 347, independent: 114, independent conditional: 0, independent unconditional: 114, dependent: 233, dependent conditional: 0, dependent unconditional: 233, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 396, independent: 138, independent conditional: 0, independent unconditional: 138, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 254, unknown conditional: 0, unknown unconditional: 254] , Statistics on independence cache: Total cache size (in pairs): 254, Positive cache size: 250, Positive conditional cache size: 0, Positive unconditional cache size: 250, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 138 ], Independence queries for same thread: 0, Persistent sets #1 benchmarks: Persistent set computation time: 0.4s, Number of persistent set computation: 66, Number of trivial persistent sets: 48, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 254, independent: 250, independent conditional: 0, independent unconditional: 250, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 392, independent: 388, independent conditional: 138, independent unconditional: 250, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 392, independent: 388, independent conditional: 138, independent unconditional: 250, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 392, independent: 388, independent conditional: 138, independent unconditional: 250, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 392, independent: 388, independent conditional: 138, independent unconditional: 250, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 396, independent: 388, independent conditional: 138, independent unconditional: 250, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 396, independent: 388, independent conditional: 0, independent unconditional: 388, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 396, independent: 388, independent conditional: 0, independent unconditional: 388, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 254, independent: 250, independent conditional: 0, independent unconditional: 250, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 254, independent: 248, independent conditional: 0, independent unconditional: 248, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 6, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 6, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 347, independent: 114, independent conditional: 0, independent unconditional: 114, dependent: 233, dependent conditional: 0, dependent unconditional: 233, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 396, independent: 138, independent conditional: 0, independent unconditional: 138, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 254, unknown conditional: 0, unknown unconditional: 254] , Statistics on independence cache: Total cache size (in pairs): 254, Positive cache size: 250, Positive conditional cache size: 0, Positive unconditional cache size: 250, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 138, Maximal queried relation: 0, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 396, independent: 388, independent conditional: 138, independent unconditional: 250, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 396, independent: 388, independent conditional: 0, independent unconditional: 388, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 396, independent: 388, independent conditional: 0, independent unconditional: 388, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 254, independent: 250, independent conditional: 0, independent unconditional: 250, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 254, independent: 248, independent conditional: 0, independent unconditional: 248, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 6, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 6, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 347, independent: 114, independent conditional: 0, independent unconditional: 114, dependent: 233, dependent conditional: 0, dependent unconditional: 233, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 396, independent: 138, independent conditional: 0, independent unconditional: 138, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 254, unknown conditional: 0, unknown unconditional: 254] , Statistics on independence cache: Total cache size (in pairs): 254, Positive cache size: 250, Positive conditional cache size: 0, Positive unconditional cache size: 250, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 138 ], Independence queries for same thread: 0 - PositiveResult [Line: 100]: 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 7 procedures, 41 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 3.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 1, 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: 6, 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, 0.3s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 889 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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: ConditionalCommutativityOverallTime: 0.0s, ConditionalCommutativityCheckTime: 0.0s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 0, ConditionalCommutativityCommutingCounterexamples: 0, ConditionalCommutativityConditionCalculations: 0, ConditionalCommutativityTraceChecks: 0, ConditionalCommutativityImperfectProofs: 0 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-16 14:25:54,276 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-10-16 14:25:54,472 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...