./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/weaver/parallel-bakery-2.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 163a010c Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../sv-benchmarks/c/weaver/parallel-bakery-2.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4f539592bc69a174492e01050b581a78ee6bfd25c2e79dba974730b39e2fa54b --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.atomic-types2-163a010-m [2024-10-31 11:27:46,300 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 11:27:46,372 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-10-31 11:27:46,379 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 11:27:46,381 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 11:27:46,412 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 11:27:46,413 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 11:27:46,413 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 11:27:46,414 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 11:27:46,414 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 11:27:46,415 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 11:27:46,415 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 11:27:46,415 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 11:27:46,416 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 11:27:46,416 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 11:27:46,416 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 11:27:46,417 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 11:27:46,420 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 11:27:46,420 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 11:27:46,420 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 11:27:46,421 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 11:27:46,421 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 11:27:46,425 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 11:27:46,425 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 11:27:46,425 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 11:27:46,425 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 11:27:46,426 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 11:27:46,426 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 11:27:46,426 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 11:27:46,426 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 11:27:46,426 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-31 11:27:46,427 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 11:27:46,427 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 11:27:46,427 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 11:27:46,427 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 11:27:46,428 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-31 11:27:46,428 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 11:27:46,428 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 11:27:46,430 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-31 11:27:46,430 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-31 11:27:46,430 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-31 11:27:46,431 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4f539592bc69a174492e01050b581a78ee6bfd25c2e79dba974730b39e2fa54b [2024-10-31 11:27:46,676 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 11:27:46,703 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 11:27:46,706 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 11:27:46,707 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 11:27:46,707 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 11:27:46,708 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../sv-benchmarks/c/weaver/parallel-bakery-2.wvr.c [2024-10-31 11:27:48,098 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 11:27:48,279 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 11:27:48,280 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/parallel-bakery-2.wvr.c [2024-10-31 11:27:48,286 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/9b9784e94/844f8cef3509493080916b0835b06eff/FLAGf37a6e39d [2024-10-31 11:27:48,298 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/9b9784e94/844f8cef3509493080916b0835b06eff [2024-10-31 11:27:48,300 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 11:27:48,301 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 11:27:48,302 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 11:27:48,303 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 11:27:48,307 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 11:27:48,307 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 11:27:48" (1/1) ... [2024-10-31 11:27:48,308 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76b68b96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 11:27:48, skipping insertion in model container [2024-10-31 11:27:48,308 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 11:27:48" (1/1) ... [2024-10-31 11:27:48,326 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 11:27:48,523 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/parallel-bakery-2.wvr.c[2556,2569] [2024-10-31 11:27:48,533 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 11:27:48,542 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 11:27:48,568 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/parallel-bakery-2.wvr.c[2556,2569] [2024-10-31 11:27:48,573 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 11:27:48,590 INFO L204 MainTranslator]: Completed translation [2024-10-31 11:27:48,590 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 11:27:48 WrapperNode [2024-10-31 11:27:48,591 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 11:27:48,592 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 11:27:48,592 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 11:27:48,592 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 11:27:48,599 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 11:27:48" (1/1) ... [2024-10-31 11:27:48,604 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 11:27:48" (1/1) ... [2024-10-31 11:27:48,625 INFO L138 Inliner]: procedures = 18, calls = 14, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 139 [2024-10-31 11:27:48,626 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 11:27:48,627 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 11:27:48,627 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 11:27:48,627 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 11:27:48,636 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 11:27:48" (1/1) ... [2024-10-31 11:27:48,636 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 11:27:48" (1/1) ... [2024-10-31 11:27:48,638 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 11:27:48" (1/1) ... [2024-10-31 11:27:48,638 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 11:27:48" (1/1) ... [2024-10-31 11:27:48,643 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 11:27:48" (1/1) ... [2024-10-31 11:27:48,645 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 11:27:48" (1/1) ... [2024-10-31 11:27:48,646 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 11:27:48" (1/1) ... [2024-10-31 11:27:48,647 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 11:27:48" (1/1) ... [2024-10-31 11:27:48,649 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 11:27:48,650 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 11:27:48,650 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 11:27:48,650 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 11:27:48,651 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 11:27:48" (1/1) ... [2024-10-31 11:27:48,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-31 11:27:48,681 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-31 11:27:48,697 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) [2024-10-31 11:27:48,699 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 [2024-10-31 11:27:48,747 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 11:27:48,747 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-31 11:27:48,747 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-31 11:27:48,748 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-31 11:27:48,748 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-31 11:27:48,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-31 11:27:48,749 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 11:27:48,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 11:27:48,751 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-31 11:27:48,883 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 11:27:48,885 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 11:27:49,172 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-31 11:27:49,172 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 11:27:49,316 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 11:27:49,318 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-31 11:27:49,319 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 11:27:49 BoogieIcfgContainer [2024-10-31 11:27:49,319 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 11:27:49,321 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 11:27:49,323 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 11:27:49,326 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 11:27:49,327 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 11:27:48" (1/3) ... [2024-10-31 11:27:49,327 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@223a038b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 11:27:49, skipping insertion in model container [2024-10-31 11:27:49,327 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 11:27:48" (2/3) ... [2024-10-31 11:27:49,328 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@223a038b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 11:27:49, skipping insertion in model container [2024-10-31 11:27:49,328 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 11:27:49" (3/3) ... [2024-10-31 11:27:49,330 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-bakery-2.wvr.c [2024-10-31 11:27:49,347 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 11:27:49,348 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-31 11:27:49,349 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-31 11:27:49,397 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-10-31 11:27:49,449 INFO L107 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 11:27:49,450 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-31 11:27:49,451 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-31 11:27:49,453 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) [2024-10-31 11:27:49,454 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 [2024-10-31 11:27:49,481 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-31 11:27:49,494 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-10-31 11:27:49,500 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;@27de9746, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 11:27:49,501 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-10-31 11:27:49,986 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-31 11:27:49,992 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 11:27:49,993 INFO L85 PathProgramCache]: Analyzing trace with hash -915112013, now seen corresponding path program 1 times [2024-10-31 11:27:50,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 11:27:50,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028758215] [2024-10-31 11:27:50,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 11:27:50,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 11:27:50,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 11:27:50,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 11:27:50,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 11:27:50,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028758215] [2024-10-31 11:27:50,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2028758215] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 11:27:50,492 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 11:27:50,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 11:27:50,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981737785] [2024-10-31 11:27:50,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 11:27:50,499 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-31 11:27:50,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 11:27:50,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-31 11:27:50,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-31 11:27:50,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-31 11:27:50,549 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-31 11:27:50,550 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 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) [2024-10-31 11:27:50,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-31 11:27:50,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-31 11:27:50,669 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 11:27:50,669 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-31 11:27:50,670 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 11:27:50,670 INFO L85 PathProgramCache]: Analyzing trace with hash 1450840833, now seen corresponding path program 1 times [2024-10-31 11:27:50,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 11:27:50,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928121411] [2024-10-31 11:27:50,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 11:27:50,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 11:27:50,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 11:27:50,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 11:27:50,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 11:27:50,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928121411] [2024-10-31 11:27:50,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1928121411] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 11:27:50,821 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 11:27:50,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-31 11:27:50,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449471781] [2024-10-31 11:27:50,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 11:27:50,823 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 11:27:50,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 11:27:50,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 11:27:50,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 11:27:50,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-31 11:27:50,825 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-31 11:27:50,826 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 11:27:50,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-31 11:27:50,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-31 11:27:50,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-31 11:27:50,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 11:27:50,940 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-31 11:27:50,940 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-31 11:27:50,941 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 11:27:50,941 INFO L85 PathProgramCache]: Analyzing trace with hash -141420191, now seen corresponding path program 1 times [2024-10-31 11:27:50,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 11:27:50,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659277457] [2024-10-31 11:27:50,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 11:27:50,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 11:27:50,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 11:27:51,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 11:27:51,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 11:27:51,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659277457] [2024-10-31 11:27:51,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1659277457] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 11:27:51,149 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 11:27:51,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-31 11:27:51,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846663046] [2024-10-31 11:27:51,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 11:27:51,150 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-31 11:27:51,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 11:27:51,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-31 11:27:51,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-31 11:27:51,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-31 11:27:51,152 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-31 11:27:51,153 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 7 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 11:27:51,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-31 11:27:51,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-31 11:27:51,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-31 11:27:51,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-31 11:27:51,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-31 11:27:51,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-31 11:27:51,679 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-31 11:27:51,679 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-31 11:27:51,680 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 11:27:51,680 INFO L85 PathProgramCache]: Analyzing trace with hash 1074309815, now seen corresponding path program 1 times [2024-10-31 11:27:51,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 11:27:51,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676873572] [2024-10-31 11:27:51,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 11:27:51,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 11:27:51,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 11:27:51,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 11:27:51,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 11:27:51,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676873572] [2024-10-31 11:27:51,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1676873572] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 11:27:51,877 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 11:27:51,877 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-31 11:27:51,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766858922] [2024-10-31 11:27:51,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 11:27:51,878 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-31 11:27:51,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 11:27:51,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-31 11:27:51,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2024-10-31 11:27:51,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-31 11:27:51,880 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-31 11:27:51,881 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 11:27:51,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-31 11:27:51,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-31 11:27:51,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-31 11:27:51,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-31 11:27:52,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 11:27:52,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-31 11:27:52,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-31 11:27:52,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-31 11:27:52,726 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-31 11:27:52,727 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-31 11:27:52,727 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 11:27:52,727 INFO L85 PathProgramCache]: Analyzing trace with hash 675120737, now seen corresponding path program 2 times [2024-10-31 11:27:52,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 11:27:52,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416721718] [2024-10-31 11:27:52,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 11:27:52,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 11:27:52,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 11:27:52,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 11:27:52,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 11:27:52,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416721718] [2024-10-31 11:27:52,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [416721718] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 11:27:52,781 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 11:27:52,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 11:27:52,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649034485] [2024-10-31 11:27:52,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 11:27:52,782 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 11:27:52,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 11:27:52,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 11:27:52,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 11:27:52,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-31 11:27:52,783 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-31 11:27:52,783 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 11:27:52,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-31 11:27:52,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-31 11:27:52,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-31 11:27:52,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-31 11:27:52,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-31 11:27:52,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 11:27:52,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-31 11:27:52,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-31 11:27:52,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-31 11:27:52,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 11:27:52,946 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-31 11:27:52,946 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-31 11:27:52,947 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 11:27:52,947 INFO L85 PathProgramCache]: Analyzing trace with hash -111103327, now seen corresponding path program 3 times [2024-10-31 11:27:52,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 11:27:52,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1662042381] [2024-10-31 11:27:52,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 11:27:52,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 11:27:52,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 11:27:53,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 11:27:53,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 11:27:53,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1662042381] [2024-10-31 11:27:53,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1662042381] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 11:27:53,091 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 11:27:53,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 11:27:53,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1565006462] [2024-10-31 11:27:53,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 11:27:53,091 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-31 11:27:53,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 11:27:53,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-31 11:27:53,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-31 11:27:53,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-31 11:27:53,092 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-31 11:27:53,093 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 11:27:53,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-31 11:27:53,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-31 11:27:53,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-31 11:27:53,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-31 11:27:53,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-31 11:27:53,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-31 11:27:53,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 11:27:53,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-31 11:27:53,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-31 11:27:53,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-31 11:27:53,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 11:27:53,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-31 11:27:53,493 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-31 11:27:53,493 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-31 11:27:53,494 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 11:27:53,494 INFO L85 PathProgramCache]: Analyzing trace with hash -383750327, now seen corresponding path program 4 times [2024-10-31 11:27:53,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 11:27:53,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139047338] [2024-10-31 11:27:53,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 11:27:53,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 11:27:53,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 11:27:53,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 11:27:53,548 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 11:27:53,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2139047338] [2024-10-31 11:27:53,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2139047338] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 11:27:53,549 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 11:27:53,549 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 11:27:53,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745379576] [2024-10-31 11:27:53,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 11:27:53,549 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 11:27:53,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 11:27:53,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 11:27:53,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 11:27:53,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-31 11:27:53,550 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-31 11:27:53,550 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 11:27:53,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-31 11:27:53,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-31 11:27:53,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-31 11:27:53,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-31 11:27:53,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-31 11:27:53,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-31 11:27:53,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-31 11:27:53,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 11:27:53,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-31 11:27:53,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-31 11:27:53,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-31 11:27:53,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 11:27:53,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-31 11:27:53,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 11:27:53,736 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-31 11:27:53,736 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-31 11:27:53,737 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 11:27:53,737 INFO L85 PathProgramCache]: Analyzing trace with hash 1122324989, now seen corresponding path program 2 times [2024-10-31 11:27:53,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 11:27:53,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875043742] [2024-10-31 11:27:53,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 11:27:53,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 11:27:53,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 11:27:53,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 11:27:53,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 11:27:53,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875043742] [2024-10-31 11:27:53,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [875043742] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 11:27:53,882 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 11:27:53,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-31 11:27:53,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185079941] [2024-10-31 11:27:53,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 11:27:53,883 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-31 11:27:53,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 11:27:53,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-31 11:27:53,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2024-10-31 11:27:53,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-31 11:27:53,886 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-31 11:27:53,886 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 11:27:53,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-31 11:27:53,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-31 11:27:53,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-31 11:27:53,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-31 11:27:53,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-31 11:27:53,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-31 11:27:53,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-31 11:27:53,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-31 11:27:54,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 11:27:54,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-31 11:27:54,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-31 11:27:54,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-31 11:27:54,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 11:27:54,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-31 11:27:54,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 11:27:54,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-31 11:27:54,201 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-31 11:27:54,201 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-31 11:27:54,201 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 11:27:54,202 INFO L85 PathProgramCache]: Analyzing trace with hash 1114247323, now seen corresponding path program 3 times [2024-10-31 11:27:54,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 11:27:54,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444673758] [2024-10-31 11:27:54,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 11:27:54,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 11:27:54,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 11:27:54,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 11:27:54,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 11:27:54,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444673758] [2024-10-31 11:27:54,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [444673758] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 11:27:54,345 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 11:27:54,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-31 11:27:54,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505006308] [2024-10-31 11:27:54,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 11:27:54,347 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-31 11:27:54,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 11:27:54,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-31 11:27:54,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-31 11:27:54,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-31 11:27:54,349 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-31 11:27:54,349 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 11:27:54,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-31 11:27:54,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-31 11:27:54,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-31 11:27:54,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-31 11:27:54,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-31 11:27:54,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-31 11:27:54,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-31 11:27:54,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-31 11:27:54,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-31 11:27:54,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 11:27:54,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-31 11:27:54,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-31 11:27:54,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-31 11:27:54,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 11:27:54,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-31 11:27:54,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 11:27:54,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-31 11:27:54,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-31 11:27:54,685 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2024-10-31 11:27:54,686 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2024-10-31 11:27:54,686 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-10-31 11:27:54,686 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-31 11:27:54,695 INFO L407 BasicCegarLoop]: Path program histogram: [4, 3, 1, 1] [2024-10-31 11:27:54,701 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-31 11:27:54,701 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-10-31 11:27:54,723 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 [2024-10-31 11:27:54,724 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.10 11:27:54 BasicIcfg [2024-10-31 11:27:54,725 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-31 11:27:54,725 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-31 11:27:54,725 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-31 11:27:54,725 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-31 11:27:54,726 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 11:27:49" (3/4) ... [2024-10-31 11:27:54,728 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-10-31 11:27:54,734 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-10-31 11:27:54,735 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-10-31 11:27:54,741 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 56 nodes and edges [2024-10-31 11:27:54,742 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-10-31 11:27:54,743 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-31 11:27:54,743 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-10-31 11:27:54,828 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.graphml [2024-10-31 11:27:54,829 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.yml [2024-10-31 11:27:54,829 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-31 11:27:54,829 INFO L158 Benchmark]: Toolchain (without parser) took 6528.10ms. Allocated memory was 184.5MB in the beginning and 239.1MB in the end (delta: 54.5MB). Free memory was 116.8MB in the beginning and 128.2MB in the end (delta: -11.4MB). Peak memory consumption was 43.5MB. Max. memory is 16.1GB. [2024-10-31 11:27:54,831 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 184.5MB. Free memory is still 142.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 11:27:54,832 INFO L158 Benchmark]: CACSL2BoogieTranslator took 288.53ms. Allocated memory is still 184.5MB. Free memory was 116.5MB in the beginning and 103.4MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-31 11:27:54,832 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.93ms. Allocated memory is still 184.5MB. Free memory was 103.4MB in the beginning and 101.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 11:27:54,832 INFO L158 Benchmark]: Boogie Preprocessor took 22.21ms. Allocated memory is still 184.5MB. Free memory was 101.4MB in the beginning and 100.2MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 11:27:54,832 INFO L158 Benchmark]: RCFGBuilder took 669.40ms. Allocated memory is still 184.5MB. Free memory was 100.0MB in the beginning and 136.4MB in the end (delta: -36.4MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. [2024-10-31 11:27:54,832 INFO L158 Benchmark]: TraceAbstraction took 5403.56ms. Allocated memory was 184.5MB in the beginning and 239.1MB in the end (delta: 54.5MB). Free memory was 135.4MB in the beginning and 134.0MB in the end (delta: 1.4MB). Peak memory consumption was 59.4MB. Max. memory is 16.1GB. [2024-10-31 11:27:54,833 INFO L158 Benchmark]: Witness Printer took 103.77ms. Allocated memory is still 239.1MB. Free memory was 134.0MB in the beginning and 128.2MB in the end (delta: 5.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-31 11:27:54,834 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 184.5MB. Free memory is still 142.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 288.53ms. Allocated memory is still 184.5MB. Free memory was 116.5MB in the beginning and 103.4MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.93ms. Allocated memory is still 184.5MB. Free memory was 103.4MB in the beginning and 101.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.21ms. Allocated memory is still 184.5MB. Free memory was 101.4MB in the beginning and 100.2MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 669.40ms. Allocated memory is still 184.5MB. Free memory was 100.0MB in the beginning and 136.4MB in the end (delta: -36.4MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. * TraceAbstraction took 5403.56ms. Allocated memory was 184.5MB in the beginning and 239.1MB in the end (delta: 54.5MB). Free memory was 135.4MB in the beginning and 134.0MB in the end (delta: 1.4MB). Peak memory consumption was 59.4MB. Max. memory is 16.1GB. * Witness Printer took 103.77ms. Allocated memory is still 239.1MB. Free memory was 134.0MB in the beginning and 128.2MB in the end (delta: 5.8MB). Peak memory consumption was 4.2MB. 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: 3328, independent: 3139, independent conditional: 2551, independent unconditional: 588, dependent: 189, dependent conditional: 157, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3231, independent: 3139, independent conditional: 2551, independent unconditional: 588, dependent: 92, dependent conditional: 60, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 3231, independent: 3139, independent conditional: 2551, independent unconditional: 588, dependent: 92, dependent conditional: 60, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3563, independent: 3139, independent conditional: 2551, independent unconditional: 588, dependent: 424, dependent conditional: 392, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3563, independent: 3139, independent conditional: 23, independent unconditional: 3116, dependent: 424, dependent conditional: 195, dependent unconditional: 229, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3563, independent: 3139, independent conditional: 23, independent unconditional: 3116, dependent: 424, dependent conditional: 195, dependent unconditional: 229, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 673, independent: 591, independent conditional: 3, independent unconditional: 588, dependent: 82, dependent conditional: 50, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 673, independent: 583, independent conditional: 0, independent unconditional: 583, dependent: 90, dependent conditional: 0, dependent unconditional: 90, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 90, independent: 8, independent conditional: 3, independent unconditional: 5, dependent: 82, dependent conditional: 50, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 90, independent: 8, independent conditional: 3, independent unconditional: 5, dependent: 82, dependent conditional: 50, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2087, independent: 300, independent conditional: 73, independent unconditional: 227, dependent: 1787, dependent conditional: 1038, dependent unconditional: 749, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 3563, independent: 2548, independent conditional: 20, independent unconditional: 2528, dependent: 342, dependent conditional: 145, dependent unconditional: 197, unknown: 673, unknown conditional: 53, unknown unconditional: 620] , Statistics on independence cache: Total cache size (in pairs): 673, Positive cache size: 591, Positive conditional cache size: 3, Positive unconditional cache size: 588, Negative cache size: 82, Negative conditional cache size: 50, Negative unconditional cache size: 32, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 2725, Maximal queried relation: 9, Independence queries for same thread: 97, Persistent sets #1 benchmarks: Persistent set computation time: 1.0s, Number of persistent set computation: 168, Number of trivial persistent sets: 48, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 620, independent: 588, independent conditional: 0, independent unconditional: 588, dependent: 32, dependent conditional: 0, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3328, independent: 3139, independent conditional: 2551, independent unconditional: 588, dependent: 189, dependent conditional: 157, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3231, independent: 3139, independent conditional: 2551, independent unconditional: 588, dependent: 92, dependent conditional: 60, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 3231, independent: 3139, independent conditional: 2551, independent unconditional: 588, dependent: 92, dependent conditional: 60, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3563, independent: 3139, independent conditional: 2551, independent unconditional: 588, dependent: 424, dependent conditional: 392, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3563, independent: 3139, independent conditional: 23, independent unconditional: 3116, dependent: 424, dependent conditional: 195, dependent unconditional: 229, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3563, independent: 3139, independent conditional: 23, independent unconditional: 3116, dependent: 424, dependent conditional: 195, dependent unconditional: 229, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 673, independent: 591, independent conditional: 3, independent unconditional: 588, dependent: 82, dependent conditional: 50, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 673, independent: 583, independent conditional: 0, independent unconditional: 583, dependent: 90, dependent conditional: 0, dependent unconditional: 90, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 90, independent: 8, independent conditional: 3, independent unconditional: 5, dependent: 82, dependent conditional: 50, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 90, independent: 8, independent conditional: 3, independent unconditional: 5, dependent: 82, dependent conditional: 50, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2087, independent: 300, independent conditional: 73, independent unconditional: 227, dependent: 1787, dependent conditional: 1038, dependent unconditional: 749, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 3563, independent: 2548, independent conditional: 20, independent unconditional: 2528, dependent: 342, dependent conditional: 145, dependent unconditional: 197, unknown: 673, unknown conditional: 53, unknown unconditional: 620] , Statistics on independence cache: Total cache size (in pairs): 673, Positive cache size: 591, Positive conditional cache size: 3, Positive unconditional cache size: 588, Negative cache size: 82, Negative conditional cache size: 50, Negative unconditional cache size: 32, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 2725, Maximal queried relation: 9, Independence queries for same thread: 97 - PositiveResult [Line: 98]: 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 5 procedures, 83 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 5.2s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 4, EmptinessCheckTime: 3.5s, 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: 52, 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, 1.3s InterpolantComputationTime, 429 NumberOfCodeBlocks, 429 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 420 ConstructedInterpolants, 0 QuantifiedInterpolants, 938 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-31 11:27:54,862 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE