./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread/triangular-longer-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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/pthread/triangular-longer-1.i -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 1e30b67a045ce6921ac9aa6cdcebddb50c3d7d787a6b9dd7b66c9173f916fde4 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-11 00:56:15,370 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-11 00:56:15,445 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-11-11 00:56:15,452 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-11 00:56:15,454 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-11 00:56:15,481 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-11 00:56:15,481 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-11 00:56:15,481 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-11 00:56:15,482 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-11 00:56:15,482 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-11 00:56:15,483 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-11 00:56:15,484 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-11 00:56:15,485 INFO L153 SettingsManager]: * Use SBE=true [2024-11-11 00:56:15,489 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-11 00:56:15,489 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-11 00:56:15,489 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-11 00:56:15,490 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-11 00:56:15,490 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-11 00:56:15,490 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-11 00:56:15,490 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-11 00:56:15,491 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-11 00:56:15,491 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-11 00:56:15,492 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-11 00:56:15,492 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-11 00:56:15,492 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-11 00:56:15,492 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-11 00:56:15,493 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-11 00:56:15,493 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-11 00:56:15,493 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-11 00:56:15,494 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-11 00:56:15,494 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-11 00:56:15,494 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-11 00:56:15,494 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-11 00:56:15,495 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-11 00:56:15,495 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-11 00:56:15,495 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-11-11 00:56:15,495 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-11 00:56:15,496 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-11 00:56:15,496 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-11 00:56:15,496 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-11 00:56:15,496 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-11 00:56:15,497 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1e30b67a045ce6921ac9aa6cdcebddb50c3d7d787a6b9dd7b66c9173f916fde4 [2024-11-11 00:56:15,742 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-11 00:56:15,770 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-11 00:56:15,774 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-11 00:56:15,775 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-11 00:56:15,775 INFO L274 PluginConnector]: CDTParser initialized [2024-11-11 00:56:15,777 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../sv-benchmarks/c/pthread/triangular-longer-1.i [2024-11-11 00:56:17,244 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-11 00:56:17,544 INFO L384 CDTParser]: Found 1 translation units. [2024-11-11 00:56:17,545 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread/triangular-longer-1.i [2024-11-11 00:56:17,560 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/c52dae07f/5a87a6438108464ca9839a9f3b1ae803/FLAGe3f59a688 [2024-11-11 00:56:17,573 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/c52dae07f/5a87a6438108464ca9839a9f3b1ae803 [2024-11-11 00:56:17,576 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-11 00:56:17,577 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-11 00:56:17,579 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-11 00:56:17,579 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-11 00:56:17,586 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-11 00:56:17,587 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 12:56:17" (1/1) ... [2024-11-11 00:56:17,588 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b916f4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 12:56:17, skipping insertion in model container [2024-11-11 00:56:17,588 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 12:56:17" (1/1) ... [2024-11-11 00:56:17,635 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-11 00:56:18,066 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/pthread/triangular-longer-1.i[30961,30974] [2024-11-11 00:56:18,071 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-11 00:56:18,079 INFO L200 MainTranslator]: Completed pre-run [2024-11-11 00:56:18,133 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/pthread/triangular-longer-1.i[30961,30974] [2024-11-11 00:56:18,134 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-11 00:56:18,176 INFO L204 MainTranslator]: Completed translation [2024-11-11 00:56:18,177 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 12:56:18 WrapperNode [2024-11-11 00:56:18,177 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-11 00:56:18,178 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-11 00:56:18,178 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-11 00:56:18,179 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-11 00:56:18,186 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 12:56:18" (1/1) ... [2024-11-11 00:56:18,199 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 12:56:18" (1/1) ... [2024-11-11 00:56:18,218 INFO L138 Inliner]: procedures = 168, calls = 16, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 37 [2024-11-11 00:56:18,219 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-11 00:56:18,219 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-11 00:56:18,219 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-11 00:56:18,220 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-11 00:56:18,228 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 12:56:18" (1/1) ... [2024-11-11 00:56:18,228 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 12:56:18" (1/1) ... [2024-11-11 00:56:18,233 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 12:56:18" (1/1) ... [2024-11-11 00:56:18,233 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 12:56:18" (1/1) ... [2024-11-11 00:56:18,238 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 12:56:18" (1/1) ... [2024-11-11 00:56:18,242 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 12:56:18" (1/1) ... [2024-11-11 00:56:18,243 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 12:56:18" (1/1) ... [2024-11-11 00:56:18,244 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 12:56:18" (1/1) ... [2024-11-11 00:56:18,249 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-11 00:56:18,251 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-11 00:56:18,251 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-11 00:56:18,251 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-11 00:56:18,252 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 12:56:18" (1/1) ... [2024-11-11 00:56:18,256 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-11 00:56:18,267 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-11-11 00:56:18,281 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) [2024-11-11 00:56:18,285 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 [2024-11-11 00:56:18,335 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2024-11-11 00:56:18,336 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2024-11-11 00:56:18,336 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2024-11-11 00:56:18,336 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2024-11-11 00:56:18,336 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-11 00:56:18,338 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-11 00:56:18,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-11 00:56:18,338 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-11 00:56:18,338 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-11 00:56:18,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-11 00:56:18,340 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-11 00:56:18,508 INFO L238 CfgBuilder]: Building ICFG [2024-11-11 00:56:18,510 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-11 00:56:18,662 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-11 00:56:18,662 INFO L287 CfgBuilder]: Performing block encoding [2024-11-11 00:56:18,754 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-11 00:56:18,755 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-11 00:56:18,755 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 12:56:18 BoogieIcfgContainer [2024-11-11 00:56:18,755 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-11 00:56:18,757 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-11 00:56:18,757 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-11 00:56:18,761 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-11 00:56:18,762 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.11 12:56:17" (1/3) ... [2024-11-11 00:56:18,763 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b2a34f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.11 12:56:18, skipping insertion in model container [2024-11-11 00:56:18,763 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 12:56:18" (2/3) ... [2024-11-11 00:56:18,763 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b2a34f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.11 12:56:18, skipping insertion in model container [2024-11-11 00:56:18,764 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 12:56:18" (3/3) ... [2024-11-11 00:56:18,765 INFO L112 eAbstractionObserver]: Analyzing ICFG triangular-longer-1.i [2024-11-11 00:56:18,788 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-11 00:56:18,789 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-11 00:56:18,789 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-11 00:56:18,847 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-11 00:56:18,910 INFO L107 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-11 00:56:18,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-11 00:56:18,911 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-11-11 00:56:18,913 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) [2024-11-11 00:56:18,917 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 [2024-11-11 00:56:18,946 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-11 00:56:18,960 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-11 00:56:18,970 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;@7368272c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-11 00:56:18,970 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-11-11 00:56:19,348 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-11 00:56:19,355 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 00:56:19,355 INFO L85 PathProgramCache]: Analyzing trace with hash 651553703, now seen corresponding path program 1 times [2024-11-11 00:56:19,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 00:56:19,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371047254] [2024-11-11 00:56:19,368 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 00:56:19,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 00:56:19,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 00:56:19,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 00:56:19,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 00:56:19,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371047254] [2024-11-11 00:56:19,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1371047254] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 00:56:19,854 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 00:56:19,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-11 00:56:19,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143803819] [2024-11-11 00:56:19,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 00:56:19,861 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-11 00:56:19,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 00:56:19,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-11 00:56:19,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-11 00:56:19,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-11 00:56:19,885 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-11 00:56:19,885 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 00:56:19,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-11 00:56:20,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-11 00:56:20,113 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-11 00:56:20,113 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-11 00:56:20,114 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 00:56:20,114 INFO L85 PathProgramCache]: Analyzing trace with hash 77251458, now seen corresponding path program 1 times [2024-11-11 00:56:20,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 00:56:20,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548306749] [2024-11-11 00:56:20,115 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 00:56:20,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 00:56:20,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 00:56:20,334 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 00:56:20,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 00:56:20,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548306749] [2024-11-11 00:56:20,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [548306749] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-11 00:56:20,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [260046842] [2024-11-11 00:56:20,335 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 00:56:20,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-11 00:56:20,336 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-11-11 00:56:20,339 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-11 00:56:20,341 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-11 00:56:20,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 00:56:20,420 INFO L256 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-11 00:56:20,424 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-11 00:56:20,561 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 00:56:20,561 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-11 00:56:20,722 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 00:56:20,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [260046842] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-11 00:56:20,723 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-11 00:56:20,723 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2024-11-11 00:56:20,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745834247] [2024-11-11 00:56:20,724 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-11 00:56:20,725 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-11 00:56:20,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 00:56:20,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-11 00:56:20,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2024-11-11 00:56:20,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-11 00:56:20,729 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-11 00:56:20,729 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.4166666666666665) internal successors, (41), 11 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 00:56:20,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-11 00:56:20,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-11 00:56:21,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-11 00:56:21,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-11 00:56:21,106 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-11 00:56:21,284 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-11-11 00:56:21,285 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-11 00:56:21,286 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 00:56:21,286 INFO L85 PathProgramCache]: Analyzing trace with hash -2006453640, now seen corresponding path program 2 times [2024-11-11 00:56:21,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 00:56:21,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32624295] [2024-11-11 00:56:21,287 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 00:56:21,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 00:56:21,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 00:56:21,552 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 00:56:21,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 00:56:21,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [32624295] [2024-11-11 00:56:21,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [32624295] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-11 00:56:21,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [490035006] [2024-11-11 00:56:21,553 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-11 00:56:21,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-11 00:56:21,554 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-11-11 00:56:21,556 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-11 00:56:21,558 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-11 00:56:21,628 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-11 00:56:21,628 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-11 00:56:21,630 INFO L256 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-11 00:56:21,631 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-11 00:56:21,774 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 00:56:21,775 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-11 00:56:22,030 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 00:56:22,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [490035006] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-11 00:56:22,033 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-11 00:56:22,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 19 [2024-11-11 00:56:22,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551401455] [2024-11-11 00:56:22,034 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-11 00:56:22,034 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-11 00:56:22,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 00:56:22,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-11 00:56:22,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=297, Unknown=0, NotChecked=0, Total=380 [2024-11-11 00:56:22,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-11 00:56:22,038 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-11 00:56:22,039 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 3.25) internal successors, (65), 19 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 00:56:22,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-11 00:56:22,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-11 00:56:22,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-11 00:56:22,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-11 00:56:22,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-11 00:56:22,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-11 00:56:22,643 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-11 00:56:22,827 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-11 00:56:22,828 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-11 00:56:22,828 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 00:56:22,828 INFO L85 PathProgramCache]: Analyzing trace with hash 1591053668, now seen corresponding path program 3 times [2024-11-11 00:56:22,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 00:56:22,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950311047] [2024-11-11 00:56:22,829 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 00:56:22,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 00:56:22,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 00:56:23,243 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 115 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 00:56:23,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 00:56:23,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1950311047] [2024-11-11 00:56:23,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1950311047] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-11 00:56:23,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1752380113] [2024-11-11 00:56:23,245 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-11 00:56:23,245 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-11 00:56:23,245 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-11-11 00:56:23,247 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-11 00:56:23,248 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-11 00:56:23,321 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2024-11-11 00:56:23,321 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-11 00:56:23,323 INFO L256 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-11 00:56:23,326 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-11 00:56:23,557 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 115 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 00:56:23,557 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-11 00:56:23,925 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 115 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 00:56:23,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1752380113] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-11 00:56:23,926 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-11 00:56:23,926 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 18] total 26 [2024-11-11 00:56:23,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795020133] [2024-11-11 00:56:23,928 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-11 00:56:23,929 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-11-11 00:56:23,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 00:56:23,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-11-11 00:56:23,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=154, Invalid=548, Unknown=0, NotChecked=0, Total=702 [2024-11-11 00:56:23,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-11 00:56:23,931 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-11 00:56:23,931 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 3.2962962962962963) internal successors, (89), 26 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 00:56:23,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-11 00:56:23,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-11 00:56:23,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-11 00:56:23,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-11 00:56:24,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-11 00:56:24,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-11 00:56:24,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-11 00:56:24,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-11 00:56:24,834 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-11 00:56:25,016 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-11 00:56:25,017 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-11 00:56:25,018 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 00:56:25,018 INFO L85 PathProgramCache]: Analyzing trace with hash -384031664, now seen corresponding path program 4 times [2024-11-11 00:56:25,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 00:56:25,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124563696] [2024-11-11 00:56:25,019 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 00:56:25,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 00:56:25,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 00:56:25,236 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 293 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 00:56:25,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 00:56:25,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [124563696] [2024-11-11 00:56:25,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [124563696] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-11 00:56:25,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [434134363] [2024-11-11 00:56:25,237 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-11 00:56:25,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-11 00:56:25,237 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-11-11 00:56:25,239 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-11 00:56:25,242 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-11 00:56:25,309 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-11 00:56:25,309 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-11 00:56:25,311 INFO L256 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-11 00:56:25,313 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-11 00:56:25,402 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 311 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 00:56:25,402 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-11 00:56:25,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [434134363] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 00:56:25,403 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-11 00:56:25,403 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [13] total 14 [2024-11-11 00:56:25,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906312066] [2024-11-11 00:56:25,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 00:56:25,404 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-11 00:56:25,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 00:56:25,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-11 00:56:25,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=101, Unknown=0, NotChecked=0, Total=182 [2024-11-11 00:56:25,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-11 00:56:25,405 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-11 00:56:25,405 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.923076923076923) internal successors, (77), 13 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 00:56:25,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-11 00:56:25,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-11 00:56:25,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-11 00:56:25,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-11-11 00:56:25,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-11 00:56:26,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-11 00:56:26,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-11 00:56:26,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-11 00:56:26,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-11 00:56:26,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-11 00:56:26,719 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-11 00:56:26,902 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-11 00:56:26,902 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-11 00:56:26,903 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 00:56:26,903 INFO L85 PathProgramCache]: Analyzing trace with hash -338756434, now seen corresponding path program 5 times [2024-11-11 00:56:26,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 00:56:26,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707173333] [2024-11-11 00:56:26,903 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 00:56:26,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 00:56:26,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 00:56:26,995 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 00:56:26,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 00:56:26,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [707173333] [2024-11-11 00:56:26,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [707173333] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-11 00:56:26,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2062425757] [2024-11-11 00:56:26,996 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-11 00:56:26,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-11 00:56:26,997 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-11-11 00:56:26,998 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-11 00:56:27,000 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-11 00:56:27,060 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-11 00:56:27,060 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-11 00:56:27,061 INFO L256 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-11 00:56:27,063 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-11 00:56:27,121 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 00:56:27,122 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-11 00:56:27,216 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 00:56:27,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2062425757] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-11 00:56:27,217 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-11 00:56:27,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 12 [2024-11-11 00:56:27,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051236928] [2024-11-11 00:56:27,218 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-11 00:56:27,218 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-11 00:56:27,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 00:56:27,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-11 00:56:27,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2024-11-11 00:56:27,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-11 00:56:27,219 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-11 00:56:27,219 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.8461538461538463) internal successors, (37), 12 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 00:56:27,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-11 00:56:27,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-11 00:56:27,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-11 00:56:27,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-11-11 00:56:27,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-11 00:56:27,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-11 00:56:27,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-11 00:56:27,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-11 00:56:27,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-11 00:56:27,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-11 00:56:27,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-11 00:56:27,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-11 00:56:27,944 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-11 00:56:28,127 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-11 00:56:28,128 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-11 00:56:28,128 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 00:56:28,128 INFO L85 PathProgramCache]: Analyzing trace with hash -1672866627, now seen corresponding path program 6 times [2024-11-11 00:56:28,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 00:56:28,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412979554] [2024-11-11 00:56:28,129 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 00:56:28,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 00:56:28,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 00:56:28,352 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 00:56:28,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 00:56:28,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1412979554] [2024-11-11 00:56:28,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1412979554] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-11 00:56:28,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [173569783] [2024-11-11 00:56:28,353 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-11 00:56:28,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-11 00:56:28,354 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-11-11 00:56:28,356 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-11 00:56:28,357 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-11 00:56:28,415 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2024-11-11 00:56:28,416 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-11 00:56:28,417 INFO L256 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-11 00:56:28,419 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-11 00:56:28,512 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 00:56:28,513 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-11 00:56:28,672 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 00:56:28,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [173569783] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-11 00:56:28,672 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-11 00:56:28,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 24 [2024-11-11 00:56:28,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143636684] [2024-11-11 00:56:28,672 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-11 00:56:28,673 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-11 00:56:28,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 00:56:28,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-11 00:56:28,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=138, Invalid=462, Unknown=0, NotChecked=0, Total=600 [2024-11-11 00:56:28,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-11 00:56:28,675 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-11 00:56:28,675 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 2.92) internal successors, (73), 24 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 00:56:28,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-11 00:56:28,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-11 00:56:28,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-11 00:56:28,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-11-11 00:56:28,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-11 00:56:28,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-11 00:56:28,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-11 00:56:30,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-11 00:56:30,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-11 00:56:30,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-11 00:56:30,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-11 00:56:30,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-11 00:56:30,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-11 00:56:30,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-11 00:56:30,765 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-11 00:56:30,948 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-11-11 00:56:30,948 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-11 00:56:30,949 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 00:56:30,949 INFO L85 PathProgramCache]: Analyzing trace with hash -1712006476, now seen corresponding path program 7 times [2024-11-11 00:56:30,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 00:56:30,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431972333] [2024-11-11 00:56:30,949 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 00:56:30,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 00:56:30,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 00:56:31,348 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 0 proven. 173 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 00:56:31,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 00:56:31,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431972333] [2024-11-11 00:56:31,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1431972333] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-11 00:56:31,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1242741676] [2024-11-11 00:56:31,349 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-11 00:56:31,349 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-11 00:56:31,349 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-11-11 00:56:31,351 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-11 00:56:31,352 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-11 00:56:31,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 00:56:31,414 INFO L256 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-11 00:56:31,416 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-11 00:56:31,523 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 0 proven. 173 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 00:56:31,523 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-11 00:56:31,896 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 0 proven. 173 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 00:56:31,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1242741676] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-11 00:56:31,896 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-11 00:56:31,897 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 45 [2024-11-11 00:56:31,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248140609] [2024-11-11 00:56:31,897 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-11 00:56:31,897 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2024-11-11 00:56:31,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 00:56:31,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2024-11-11 00:56:31,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=442, Invalid=1628, Unknown=0, NotChecked=0, Total=2070 [2024-11-11 00:56:31,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-11 00:56:31,900 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-11 00:56:31,901 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 46 states have (on average 2.9565217391304346) internal successors, (136), 45 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 00:56:31,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-11 00:56:31,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-11 00:56:31,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-11 00:56:31,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-11-11 00:56:31,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-11 00:56:31,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-11 00:56:31,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-11-11 00:56:31,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-11 00:56:34,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-11 00:56:34,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-11 00:56:34,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-11 00:56:34,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-11 00:56:34,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-11 00:56:34,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-11 00:56:34,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-11 00:56:34,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-11-11 00:56:34,536 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-11 00:56:34,723 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-11 00:56:34,724 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-11 00:56:34,724 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 00:56:34,724 INFO L85 PathProgramCache]: Analyzing trace with hash 1313748980, now seen corresponding path program 8 times [2024-11-11 00:56:34,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 00:56:34,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266735028] [2024-11-11 00:56:34,725 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 00:56:34,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 00:56:34,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 00:56:35,247 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 0 proven. 243 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 00:56:35,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 00:56:35,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [266735028] [2024-11-11 00:56:35,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [266735028] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-11 00:56:35,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [920341231] [2024-11-11 00:56:35,247 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-11 00:56:35,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-11 00:56:35,248 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-11-11 00:56:35,249 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-11 00:56:35,257 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-11 00:56:35,318 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-11 00:56:35,318 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-11 00:56:35,319 INFO L256 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-11 00:56:35,322 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-11 00:56:35,434 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 0 proven. 243 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 00:56:35,434 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-11 00:56:35,818 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 0 proven. 243 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 00:56:35,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [920341231] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-11 00:56:35,819 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-11 00:56:35,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 47 [2024-11-11 00:56:35,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169566098] [2024-11-11 00:56:35,819 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-11 00:56:35,820 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-11-11 00:56:35,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 00:56:35,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-11-11 00:56:35,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=487, Invalid=1769, Unknown=0, NotChecked=0, Total=2256 [2024-11-11 00:56:35,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-11 00:56:35,822 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-11 00:56:35,822 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 2.875) internal successors, (138), 47 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 00:56:35,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-11 00:56:35,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-11 00:56:35,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-11 00:56:35,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-11-11 00:56:35,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-11 00:56:35,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-11 00:56:35,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-11-11 00:56:35,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-11-11 00:56:35,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-11 00:56:38,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-11 00:56:38,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-11 00:56:38,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-11 00:56:38,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-11 00:56:38,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-11 00:56:38,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-11 00:56:38,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-11 00:56:38,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-11-11 00:56:38,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-11-11 00:56:38,403 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2024-11-11 00:56:38,404 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2024-11-11 00:56:38,404 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-11-11 00:56:38,417 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-11 00:56:38,604 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-11 00:56:38,614 INFO L421 BasicCegarLoop]: Path program histogram: [8, 1] [2024-11-11 00:56:38,619 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-11 00:56:38,619 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-11 00:56:38,635 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-11-11 00:56:38,636 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.11 12:56:38 BasicIcfg [2024-11-11 00:56:38,636 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-11 00:56:38,636 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-11 00:56:38,636 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-11 00:56:38,637 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-11 00:56:38,637 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 12:56:18" (3/4) ... [2024-11-11 00:56:38,639 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-11 00:56:38,642 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t1 [2024-11-11 00:56:38,642 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t2 [2024-11-11 00:56:38,646 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2024-11-11 00:56:38,646 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-11-11 00:56:38,646 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-11 00:56:38,646 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-11 00:56:38,729 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.graphml [2024-11-11 00:56:38,729 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.yml [2024-11-11 00:56:38,729 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-11 00:56:38,729 INFO L158 Benchmark]: Toolchain (without parser) took 21152.32ms. Allocated memory was 155.2MB in the beginning and 469.8MB in the end (delta: 314.6MB). Free memory was 81.1MB in the beginning and 367.8MB in the end (delta: -286.7MB). Peak memory consumption was 30.0MB. Max. memory is 16.1GB. [2024-11-11 00:56:38,729 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 155.2MB. Free memory is still 106.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-11 00:56:38,730 INFO L158 Benchmark]: CACSL2BoogieTranslator took 598.46ms. Allocated memory was 155.2MB in the beginning and 224.4MB in the end (delta: 69.2MB). Free memory was 81.0MB in the beginning and 185.5MB in the end (delta: -104.6MB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. [2024-11-11 00:56:38,730 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.96ms. Allocated memory is still 224.4MB. Free memory was 185.5MB in the beginning and 184.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-11 00:56:38,730 INFO L158 Benchmark]: Boogie Preprocessor took 30.54ms. Allocated memory is still 224.4MB. Free memory was 184.5MB in the beginning and 182.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-11 00:56:38,730 INFO L158 Benchmark]: RCFGBuilder took 504.85ms. Allocated memory is still 224.4MB. Free memory was 182.4MB in the beginning and 163.5MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-11 00:56:38,730 INFO L158 Benchmark]: TraceAbstraction took 19878.61ms. Allocated memory was 224.4MB in the beginning and 469.8MB in the end (delta: 245.4MB). Free memory was 163.5MB in the beginning and 372.6MB in the end (delta: -209.1MB). Peak memory consumption was 256.0MB. Max. memory is 16.1GB. [2024-11-11 00:56:38,731 INFO L158 Benchmark]: Witness Printer took 92.49ms. Allocated memory is still 469.8MB. Free memory was 372.6MB in the beginning and 367.8MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-11 00:56:38,732 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 155.2MB. Free memory is still 106.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 598.46ms. Allocated memory was 155.2MB in the beginning and 224.4MB in the end (delta: 69.2MB). Free memory was 81.0MB in the beginning and 185.5MB in the end (delta: -104.6MB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.96ms. Allocated memory is still 224.4MB. Free memory was 185.5MB in the beginning and 184.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 30.54ms. Allocated memory is still 224.4MB. Free memory was 184.5MB in the beginning and 182.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 504.85ms. Allocated memory is still 224.4MB. Free memory was 182.4MB in the beginning and 163.5MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 19878.61ms. Allocated memory was 224.4MB in the beginning and 469.8MB in the end (delta: 245.4MB). Free memory was 163.5MB in the beginning and 372.6MB in the end (delta: -209.1MB). Peak memory consumption was 256.0MB. Max. memory is 16.1GB. * Witness Printer took 92.49ms. Allocated memory is still 469.8MB. Free memory was 372.6MB in the beginning and 367.8MB in the end (delta: 4.8MB). 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: 117740, independent: 97274, independent conditional: 97022, independent unconditional: 252, dependent: 20466, dependent conditional: 20459, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 99921, independent: 97274, independent conditional: 97022, independent unconditional: 252, dependent: 2647, dependent conditional: 2640, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 99921, independent: 97274, independent conditional: 97022, independent unconditional: 252, dependent: 2647, dependent conditional: 2640, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 121483, independent: 97274, independent conditional: 97022, independent unconditional: 252, dependent: 24209, dependent conditional: 24202, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 121483, independent: 97274, independent conditional: 7360, independent unconditional: 89914, dependent: 24209, dependent conditional: 10634, dependent unconditional: 13575, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 121483, independent: 97274, independent conditional: 7360, independent unconditional: 89914, dependent: 24209, dependent conditional: 10634, dependent unconditional: 13575, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 732, independent: 376, independent conditional: 152, independent unconditional: 224, dependent: 356, dependent conditional: 349, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 732, independent: 223, independent conditional: 0, independent unconditional: 223, dependent: 509, dependent conditional: 0, dependent unconditional: 509, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 509, independent: 153, independent conditional: 152, independent unconditional: 1, dependent: 356, dependent conditional: 349, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 509, independent: 153, independent conditional: 152, independent unconditional: 1, dependent: 356, dependent conditional: 349, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 5817, independent: 2915, independent conditional: 2785, independent unconditional: 130, dependent: 2902, dependent conditional: 2617, dependent unconditional: 285, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 121483, independent: 96898, independent conditional: 7208, independent unconditional: 89690, dependent: 23853, dependent conditional: 10285, dependent unconditional: 13568, unknown: 732, unknown conditional: 501, unknown unconditional: 231] , Statistics on independence cache: Total cache size (in pairs): 732, Positive cache size: 376, Positive conditional cache size: 152, Positive unconditional cache size: 224, Negative cache size: 356, Negative conditional cache size: 349, Negative unconditional cache size: 7, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 103230, Maximal queried relation: 9, Independence queries for same thread: 17819, Persistent sets #1 benchmarks: Persistent set computation time: 0.5s, Number of persistent set computation: 79, Number of trivial persistent sets: 52, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 259, independent: 252, independent conditional: 0, independent unconditional: 252, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 117740, independent: 97274, independent conditional: 97022, independent unconditional: 252, dependent: 20466, dependent conditional: 20459, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 99921, independent: 97274, independent conditional: 97022, independent unconditional: 252, dependent: 2647, dependent conditional: 2640, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 99921, independent: 97274, independent conditional: 97022, independent unconditional: 252, dependent: 2647, dependent conditional: 2640, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 121483, independent: 97274, independent conditional: 97022, independent unconditional: 252, dependent: 24209, dependent conditional: 24202, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 121483, independent: 97274, independent conditional: 7360, independent unconditional: 89914, dependent: 24209, dependent conditional: 10634, dependent unconditional: 13575, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 121483, independent: 97274, independent conditional: 7360, independent unconditional: 89914, dependent: 24209, dependent conditional: 10634, dependent unconditional: 13575, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 732, independent: 376, independent conditional: 152, independent unconditional: 224, dependent: 356, dependent conditional: 349, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 732, independent: 223, independent conditional: 0, independent unconditional: 223, dependent: 509, dependent conditional: 0, dependent unconditional: 509, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 509, independent: 153, independent conditional: 152, independent unconditional: 1, dependent: 356, dependent conditional: 349, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 509, independent: 153, independent conditional: 152, independent unconditional: 1, dependent: 356, dependent conditional: 349, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 5817, independent: 2915, independent conditional: 2785, independent unconditional: 130, dependent: 2902, dependent conditional: 2617, dependent unconditional: 285, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 121483, independent: 96898, independent conditional: 7208, independent unconditional: 89690, dependent: 23853, dependent conditional: 10285, dependent unconditional: 13568, unknown: 732, unknown conditional: 501, unknown unconditional: 231] , Statistics on independence cache: Total cache size (in pairs): 732, Positive cache size: 376, Positive conditional cache size: 152, Positive unconditional cache size: 224, Negative cache size: 356, Negative conditional cache size: 349, Negative unconditional cache size: 7, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 103230, Maximal queried relation: 9, Independence queries for same thread: 17819 - PositiveResult [Line: 722]: 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, 34 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 19.7s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 8, EmptinessCheckTime: 11.7s, 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: 222, 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: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 5.3s InterpolantComputationTime, 751 NumberOfCodeBlocks, 748 NumberOfCodeBlocksAsserted, 31 NumberOfCheckSat, 1020 ConstructedInterpolants, 0 QuantifiedInterpolants, 4280 SizeOfPredicates, 83 NumberOfNonLiveVariables, 1055 ConjunctsInSsa, 130 ConjunctsInUnsatCore, 24 InterpolantComputations, 2 PerfectInterpolantSequences, 604/2386 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! [2024-11-11 00:56:38,761 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