./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-C-DAC/pthread-demo-datarace-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1f73d82f Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../sv-benchmarks/c/pthread-C-DAC/pthread-demo-datarace-1.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 81147b3e42a82bd92b2fd1c17836bc41bf8598e66ad2317620561a8ac507fa9a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-1f73d82-m [2024-11-21 11:07:08,424 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-21 11:07:08,539 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-11-21 11:07:08,548 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-21 11:07:08,549 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-21 11:07:08,577 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-21 11:07:08,578 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-21 11:07:08,578 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-21 11:07:08,578 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-21 11:07:08,578 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-21 11:07:08,579 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-21 11:07:08,579 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-21 11:07:08,579 INFO L153 SettingsManager]: * Use SBE=true [2024-11-21 11:07:08,579 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-21 11:07:08,579 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-21 11:07:08,579 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-21 11:07:08,579 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-21 11:07:08,579 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-21 11:07:08,579 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-21 11:07:08,579 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-21 11:07:08,579 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-21 11:07:08,580 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-21 11:07:08,580 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-21 11:07:08,580 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-21 11:07:08,580 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-21 11:07:08,580 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-21 11:07:08,580 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-21 11:07:08,582 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-21 11:07:08,582 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-21 11:07:08,582 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-21 11:07:08,583 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-21 11:07:08,583 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-21 11:07:08,583 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-21 11:07:08,583 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-21 11:07:08,584 INFO L153 SettingsManager]: * Commutativity condition synthesis=SUFFICIENT [2024-11-21 11:07:08,584 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-21 11:07:08,584 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-21 11:07:08,584 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-11-21 11:07:08,584 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-21 11:07:08,584 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-21 11:07:08,584 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-21 11:07:08,584 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-21 11:07:08,585 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-21 11:07:08,585 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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-jdk21/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 -> 81147b3e42a82bd92b2fd1c17836bc41bf8598e66ad2317620561a8ac507fa9a [2024-11-21 11:07:08,873 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-21 11:07:08,879 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-21 11:07:08,881 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-21 11:07:08,882 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-21 11:07:08,883 INFO L274 PluginConnector]: CDTParser initialized [2024-11-21 11:07:08,884 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../sv-benchmarks/c/pthread-C-DAC/pthread-demo-datarace-1.i [2024-11-21 11:07:10,141 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/68ecfa309/45f88a798a3d4ce2b10facc21aa37c69/FLAGe6ccd1d88 [2024-11-21 11:07:10,452 INFO L384 CDTParser]: Found 1 translation units. [2024-11-21 11:07:10,452 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/pthread-C-DAC/pthread-demo-datarace-1.i [2024-11-21 11:07:10,476 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/68ecfa309/45f88a798a3d4ce2b10facc21aa37c69/FLAGe6ccd1d88 [2024-11-21 11:07:10,493 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/68ecfa309/45f88a798a3d4ce2b10facc21aa37c69 [2024-11-21 11:07:10,495 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-21 11:07:10,498 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-21 11:07:10,500 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-21 11:07:10,500 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-21 11:07:10,504 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-21 11:07:10,504 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:07:10" (1/1) ... [2024-11-21 11:07:10,506 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e910ec5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:07:10, skipping insertion in model container [2024-11-21 11:07:10,507 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:07:10" (1/1) ... [2024-11-21 11:07:10,552 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-21 11:07:10,717 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/pthread-C-DAC/pthread-demo-datarace-1.i[820,833] [2024-11-21 11:07:10,943 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-21 11:07:10,956 INFO L200 MainTranslator]: Completed pre-run [2024-11-21 11:07:10,968 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/pthread-C-DAC/pthread-demo-datarace-1.i[820,833] [2024-11-21 11:07:11,009 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-21 11:07:11,115 INFO L204 MainTranslator]: Completed translation [2024-11-21 11:07:11,116 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:07:11 WrapperNode [2024-11-21 11:07:11,117 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-21 11:07:11,118 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-21 11:07:11,119 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-21 11:07:11,119 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-21 11:07:11,125 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:07:11" (1/1) ... [2024-11-21 11:07:11,151 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:07:11" (1/1) ... [2024-11-21 11:07:11,174 INFO L138 Inliner]: procedures = 364, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 62 [2024-11-21 11:07:11,174 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-21 11:07:11,175 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-21 11:07:11,175 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-21 11:07:11,175 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-21 11:07:11,182 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:07:11" (1/1) ... [2024-11-21 11:07:11,182 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:07:11" (1/1) ... [2024-11-21 11:07:11,186 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:07:11" (1/1) ... [2024-11-21 11:07:11,189 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:07:11" (1/1) ... [2024-11-21 11:07:11,197 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:07:11" (1/1) ... [2024-11-21 11:07:11,197 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:07:11" (1/1) ... [2024-11-21 11:07:11,204 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:07:11" (1/1) ... [2024-11-21 11:07:11,205 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:07:11" (1/1) ... [2024-11-21 11:07:11,210 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:07:11" (1/1) ... [2024-11-21 11:07:11,212 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-21 11:07:11,212 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-21 11:07:11,212 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-21 11:07:11,212 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-21 11:07:11,213 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:07:11" (1/1) ... [2024-11-21 11:07:11,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-21 11:07:11,240 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 11:07:11,253 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-21 11:07:11,257 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-21 11:07:11,278 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-21 11:07:11,279 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-21 11:07:11,279 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-21 11:07:11,279 INFO L130 BoogieDeclarations]: Found specification of procedure thread_function_mutex [2024-11-21 11:07:11,279 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_function_mutex [2024-11-21 11:07:11,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-21 11:07:11,279 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-21 11:07:11,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-21 11:07:11,280 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-21 11:07:11,422 INFO L234 CfgBuilder]: Building ICFG [2024-11-21 11:07:11,424 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-21 11:07:11,592 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-21 11:07:11,594 INFO L283 CfgBuilder]: Performing block encoding [2024-11-21 11:07:11,733 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-21 11:07:11,734 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-21 11:07:11,735 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:07:11 BoogieIcfgContainer [2024-11-21 11:07:11,735 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-21 11:07:11,781 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-21 11:07:11,781 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-21 11:07:11,787 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-21 11:07:11,787 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 11:07:10" (1/3) ... [2024-11-21 11:07:11,788 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@723ae5c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 11:07:11, skipping insertion in model container [2024-11-21 11:07:11,788 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:07:11" (2/3) ... [2024-11-21 11:07:11,788 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@723ae5c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 11:07:11, skipping insertion in model container [2024-11-21 11:07:11,789 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:07:11" (3/3) ... [2024-11-21 11:07:11,790 INFO L128 eAbstractionObserver]: Analyzing ICFG pthread-demo-datarace-1.i [2024-11-21 11:07:11,804 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-21 11:07:11,806 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG pthread-demo-datarace-1.i that has 2 procedures, 22 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2024-11-21 11:07:11,807 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-21 11:07:11,844 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-21 11:07:11,885 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-21 11:07:11,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-21 11:07:11,886 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 11:07:11,888 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-11-21 11:07:11,889 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-11-21 11:07:11,962 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-21 11:07:11,976 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-21 11:07:11,982 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;@2b04be83, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-21 11:07:11,982 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-21 11:07:12,183 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 11:07:12,183 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 11:07:12,184 INFO L139 ounterexampleChecker]: Examining path program with hash -35473830, occurence #1 [2024-11-21 11:07:12,184 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 11:07:12,184 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 11:07:12,190 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 11:07:12,191 INFO L85 PathProgramCache]: Analyzing trace with hash 1170577489, now seen corresponding path program 1 times [2024-11-21 11:07:12,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 11:07:12,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25000817] [2024-11-21 11:07:12,200 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 11:07:12,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 11:07:12,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 11:07:12,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 11:07:12,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 11:07:12,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25000817] [2024-11-21 11:07:12,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [25000817] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 11:07:12,480 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 11:07:12,480 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-21 11:07:12,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681107419] [2024-11-21 11:07:12,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 11:07:12,485 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-21 11:07:12,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 11:07:12,504 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-21 11:07:12,505 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-21 11:07:12,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:07:12,507 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 11:07:12,509 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) [2024-11-21 11:07:12,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:07:12,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:07:12,592 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-21 11:07:12,593 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 11:07:12,593 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 11:07:12,593 INFO L139 ounterexampleChecker]: Examining path program with hash 68953155, occurence #1 [2024-11-21 11:07:12,593 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 11:07:12,593 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 11:07:12,593 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 11:07:12,594 INFO L85 PathProgramCache]: Analyzing trace with hash -1025560158, now seen corresponding path program 1 times [2024-11-21 11:07:12,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 11:07:12,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877445073] [2024-11-21 11:07:12,594 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 11:07:12,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 11:07:12,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 11:07:12,797 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 11:07:12,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 11:07:12,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1877445073] [2024-11-21 11:07:12,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1877445073] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 11:07:12,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1230429023] [2024-11-21 11:07:12,799 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 11:07:12,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 11:07:12,800 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 11:07:12,821 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 11:07:12,823 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-21 11:07:12,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 11:07:12,920 INFO L256 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-21 11:07:12,924 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 11:07:12,984 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 11:07:12,985 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 11:07:13,026 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 11:07:13,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1230429023] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 11:07:13,027 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 11:07:13,027 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-21 11:07:13,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78529993] [2024-11-21 11:07:13,028 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 11:07:13,028 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-21 11:07:13,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 11:07:13,030 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-21 11:07:13,030 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-21 11:07:13,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:07:13,030 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 11:07:13,031 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 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) [2024-11-21 11:07:13,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:07:13,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:07:13,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:07:13,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:07:13,173 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-21 11:07:13,356 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 11:07:13,357 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 11:07:13,357 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 11:07:13,357 INFO L139 ounterexampleChecker]: Examining path program with hash 68953155, occurence #2 [2024-11-21 11:07:13,357 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 11:07:13,357 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2024-11-21 11:07:13,375 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 11:07:13,375 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2024-11-21 11:07:13,375 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:07:13,375 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-11-21 11:07:13,375 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:07:13,375 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2024-11-21 11:07:13,375 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:07:13,375 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2024-11-21 11:07:13,375 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:07:13,375 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2024-11-21 11:07:13,375 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:07:13,375 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 31 [2024-11-21 11:07:13,375 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:07:13,376 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2024-11-21 11:07:13,376 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:07:13,376 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 41 [2024-11-21 11:07:13,376 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:07:13,376 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2024-11-21 11:07:13,376 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 11:07:13,376 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 52 [2024-11-21 11:07:13,376 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:07:13,376 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 11:07:13,376 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 11:07:13,377 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 11:07:13,377 INFO L85 PathProgramCache]: Analyzing trace with hash -1504569835, now seen corresponding path program 2 times [2024-11-21 11:07:13,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 11:07:13,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544944654] [2024-11-21 11:07:13,377 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 11:07:13,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 11:07:13,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 11:07:13,703 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 11:07:13,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 11:07:13,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544944654] [2024-11-21 11:07:13,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [544944654] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 11:07:13,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [565793000] [2024-11-21 11:07:13,705 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-21 11:07:13,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 11:07:13,705 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 11:07:13,708 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 11:07:13,710 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-21 11:07:13,838 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-21 11:07:13,838 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 11:07:13,839 INFO L256 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-21 11:07:13,841 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 11:07:13,976 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 11:07:13,976 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 11:07:14,146 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 11:07:14,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [565793000] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 11:07:14,146 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 11:07:14,146 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 8] total 19 [2024-11-21 11:07:14,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197474041] [2024-11-21 11:07:14,147 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 11:07:14,147 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-21 11:07:14,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 11:07:14,148 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-21 11:07:14,148 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=231, Unknown=0, NotChecked=0, Total=342 [2024-11-21 11:07:14,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:07:14,148 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 11:07:14,149 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.052631578947368) internal successors, (153), 19 states have internal predecessors, (153), 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) [2024-11-21 11:07:14,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:07:14,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:07:14,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:07:14,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:07:14,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:07:14,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-21 11:07:14,522 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-21 11:07:14,705 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 11:07:14,705 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 11:07:14,705 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 11:07:14,706 INFO L139 ounterexampleChecker]: Examining path program with hash -1814487187, occurence #1 [2024-11-21 11:07:14,706 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 11:07:14,706 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 11:07:14,706 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 11:07:14,707 INFO L85 PathProgramCache]: Analyzing trace with hash -1887270414, now seen corresponding path program 3 times [2024-11-21 11:07:14,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 11:07:14,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572401177] [2024-11-21 11:07:14,708 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 11:07:14,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 11:07:14,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 11:07:15,344 INFO L134 CoverageAnalysis]: Checked inductivity of 672 backedges. 0 proven. 672 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 11:07:15,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 11:07:15,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572401177] [2024-11-21 11:07:15,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1572401177] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 11:07:15,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [430341007] [2024-11-21 11:07:15,344 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-21 11:07:15,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 11:07:15,344 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 11:07:15,346 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 11:07:15,348 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-21 11:07:15,587 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 13 check-sat command(s) [2024-11-21 11:07:15,587 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 11:07:15,589 INFO L256 TraceCheckSpWp]: Trace formula consists of 558 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-21 11:07:15,593 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 11:07:15,760 INFO L134 CoverageAnalysis]: Checked inductivity of 672 backedges. 0 proven. 672 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 11:07:15,760 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 11:07:16,127 INFO L134 CoverageAnalysis]: Checked inductivity of 672 backedges. 0 proven. 672 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 11:07:16,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [430341007] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 11:07:16,128 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 11:07:16,128 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 23 [2024-11-21 11:07:16,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714312177] [2024-11-21 11:07:16,128 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 11:07:16,129 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-21 11:07:16,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 11:07:16,129 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-21 11:07:16,130 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=253, Invalid=253, Unknown=0, NotChecked=0, Total=506 [2024-11-21 11:07:16,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:07:16,134 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 11:07:16,134 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 9.130434782608695) internal successors, (210), 23 states have internal predecessors, (210), 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) [2024-11-21 11:07:16,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:07:16,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:07:16,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-21 11:07:16,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:07:16,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:07:16,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:07:16,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-21 11:07:16,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-21 11:07:16,441 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-21 11:07:16,624 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 11:07:16,624 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 11:07:16,624 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 11:07:16,625 INFO L139 ounterexampleChecker]: Examining path program with hash -1814487187, occurence #2 [2024-11-21 11:07:16,625 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 11:07:16,625 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2024-11-21 11:07:16,625 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 11:07:16,625 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2024-11-21 11:07:16,625 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:07:16,625 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-11-21 11:07:16,625 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:07:16,625 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2024-11-21 11:07:16,625 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:07:16,625 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2024-11-21 11:07:16,625 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:07:16,625 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2024-11-21 11:07:16,625 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:07:16,626 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 31 [2024-11-21 11:07:16,626 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:07:16,626 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2024-11-21 11:07:16,626 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:07:16,626 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 41 [2024-11-21 11:07:16,626 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:07:16,626 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 50 [2024-11-21 11:07:16,626 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:07:16,626 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2024-11-21 11:07:16,626 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:07:16,626 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 60 [2024-11-21 11:07:16,626 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:07:16,626 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 61 [2024-11-21 11:07:16,626 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:07:16,626 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 70 [2024-11-21 11:07:16,626 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:07:16,626 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 71 [2024-11-21 11:07:16,626 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:07:16,626 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 80 [2024-11-21 11:07:16,626 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:07:16,626 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 81 [2024-11-21 11:07:16,626 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:07:16,626 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 90 [2024-11-21 11:07:16,627 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:07:16,627 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 91 [2024-11-21 11:07:16,627 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:07:16,627 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 100 [2024-11-21 11:07:16,627 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:07:16,627 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 101 [2024-11-21 11:07:16,627 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:07:16,627 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 110 [2024-11-21 11:07:16,627 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:07:16,627 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 111 [2024-11-21 11:07:16,627 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:07:16,627 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 120 [2024-11-21 11:07:16,627 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:07:16,627 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 121 [2024-11-21 11:07:16,627 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:07:16,627 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 130 [2024-11-21 11:07:16,627 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:07:16,627 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 131 [2024-11-21 11:07:16,627 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:07:16,627 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 140 [2024-11-21 11:07:16,627 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:07:16,628 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 141 [2024-11-21 11:07:16,628 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:07:16,628 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 150 [2024-11-21 11:07:16,628 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:07:16,628 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 151 [2024-11-21 11:07:16,628 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:07:16,628 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 160 [2024-11-21 11:07:16,628 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:07:16,628 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 161 [2024-11-21 11:07:16,628 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:07:16,628 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 170 [2024-11-21 11:07:16,628 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:07:16,628 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 171 [2024-11-21 11:07:16,628 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:07:16,628 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 180 [2024-11-21 11:07:16,628 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:07:16,628 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 181 [2024-11-21 11:07:16,628 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:07:16,628 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 190 [2024-11-21 11:07:16,628 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:07:16,628 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 191 [2024-11-21 11:07:16,628 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:07:16,629 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 200 [2024-11-21 11:07:16,629 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:07:16,629 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 201 [2024-11-21 11:07:16,629 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:07:16,629 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 205 [2024-11-21 11:07:16,629 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 11:07:16,629 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 207 [2024-11-21 11:07:16,630 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:07:16,631 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 11:07:16,631 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 11:07:16,631 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 11:07:16,631 INFO L85 PathProgramCache]: Analyzing trace with hash 1418757482, now seen corresponding path program 4 times [2024-11-21 11:07:16,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 11:07:16,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68264880] [2024-11-21 11:07:16,632 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 11:07:16,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 11:07:16,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 11:07:20,079 INFO L134 CoverageAnalysis]: Checked inductivity of 1920 backedges. 0 proven. 1920 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 11:07:20,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 11:07:20,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68264880] [2024-11-21 11:07:20,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [68264880] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 11:07:20,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1495858778] [2024-11-21 11:07:20,080 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-21 11:07:20,080 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 11:07:20,080 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 11:07:20,082 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 11:07:20,083 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-21 11:07:20,328 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-21 11:07:20,329 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 11:07:20,335 INFO L256 TraceCheckSpWp]: Trace formula consists of 878 conjuncts, 125 conjuncts are in the unsatisfiable core [2024-11-21 11:07:20,343 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 11:07:20,725 INFO L134 CoverageAnalysis]: Checked inductivity of 1920 backedges. 0 proven. 1920 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 11:07:20,725 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 11:07:21,086 INFO L134 CoverageAnalysis]: Checked inductivity of 1920 backedges. 0 proven. 1920 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 11:07:21,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1495858778] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 11:07:21,087 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 11:07:21,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 43, 43] total 44 [2024-11-21 11:07:21,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343925076] [2024-11-21 11:07:21,088 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 11:07:21,089 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2024-11-21 11:07:21,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 11:07:21,091 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2024-11-21 11:07:21,094 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=1892, Unknown=0, NotChecked=0, Total=1980 [2024-11-21 11:07:21,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:07:21,094 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 11:07:21,095 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 45 states have (on average 4.711111111111111) internal successors, (212), 44 states have internal predecessors, (212), 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) [2024-11-21 11:07:21,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:07:21,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:07:21,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-21 11:07:21,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-11-21 11:07:21,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:07:24,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:07:24,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:07:24,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-21 11:07:24,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-21 11:07:24,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-11-21 11:07:24,605 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-21 11:07:24,792 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 11:07:24,792 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 11:07:24,792 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 11:07:24,792 INFO L139 ounterexampleChecker]: Examining path program with hash -1814487187, occurence #3 [2024-11-21 11:07:24,792 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 11:07:24,793 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2024-11-21 11:07:24,793 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 11:07:24,793 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2024-11-21 11:07:24,793 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:07:24,793 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-11-21 11:07:24,793 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:07:24,793 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2024-11-21 11:07:24,793 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:07:24,793 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2024-11-21 11:07:24,793 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:07:24,793 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2024-11-21 11:07:24,793 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:07:24,793 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 31 [2024-11-21 11:07:24,793 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:07:24,793 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2024-11-21 11:07:24,793 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:07:24,793 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 41 [2024-11-21 11:07:24,793 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:07:24,793 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 50 [2024-11-21 11:07:24,793 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:07:24,793 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2024-11-21 11:07:24,793 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:07:24,794 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 60 [2024-11-21 11:07:24,794 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:07:24,794 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 61 [2024-11-21 11:07:24,794 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:07:24,794 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 70 [2024-11-21 11:07:24,794 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:07:24,794 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 71 [2024-11-21 11:07:24,794 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:07:24,794 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 80 [2024-11-21 11:07:24,794 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:07:24,794 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 81 [2024-11-21 11:07:24,794 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:07:24,794 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 90 [2024-11-21 11:07:24,794 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:07:24,794 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 91 [2024-11-21 11:07:24,794 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:07:24,794 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 100 [2024-11-21 11:07:24,794 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:07:24,794 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 101 [2024-11-21 11:07:24,794 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:07:24,794 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 110 [2024-11-21 11:07:24,794 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:07:24,794 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 111 [2024-11-21 11:07:24,794 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:07:24,795 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 120 [2024-11-21 11:07:24,795 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:07:24,795 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 121 [2024-11-21 11:07:24,795 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:07:24,795 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 130 [2024-11-21 11:07:24,795 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:07:24,795 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 131 [2024-11-21 11:07:24,795 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:07:24,795 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 140 [2024-11-21 11:07:24,795 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:07:24,795 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 141 [2024-11-21 11:07:24,795 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:07:24,796 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 150 [2024-11-21 11:07:24,796 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:07:24,796 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 151 [2024-11-21 11:07:24,797 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:07:24,797 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 160 [2024-11-21 11:07:24,797 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:07:24,797 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 161 [2024-11-21 11:07:24,797 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:07:24,797 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 170 [2024-11-21 11:07:24,797 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:07:24,797 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 171 [2024-11-21 11:07:24,797 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:07:24,797 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 180 [2024-11-21 11:07:24,797 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:07:24,797 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 181 [2024-11-21 11:07:24,797 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:07:24,797 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 190 [2024-11-21 11:07:24,797 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:07:24,797 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 191 [2024-11-21 11:07:24,797 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:07:24,797 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 200 [2024-11-21 11:07:24,797 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:07:24,797 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 201 [2024-11-21 11:07:24,798 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:07:24,798 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 210 [2024-11-21 11:07:24,798 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:07:24,798 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 211 [2024-11-21 11:07:24,798 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:07:24,798 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 215 [2024-11-21 11:07:24,798 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 11:07:24,798 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 217 [2024-11-21 11:07:24,798 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:07:24,798 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 11:07:24,798 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 11:07:24,798 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 11:07:24,799 INFO L85 PathProgramCache]: Analyzing trace with hash -2070333831, now seen corresponding path program 5 times [2024-11-21 11:07:24,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 11:07:24,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383467260] [2024-11-21 11:07:24,799 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 11:07:24,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 11:07:24,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 11:07:25,621 INFO L134 CoverageAnalysis]: Checked inductivity of 2121 backedges. 2025 proven. 96 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 11:07:25,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 11:07:25,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383467260] [2024-11-21 11:07:25,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1383467260] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 11:07:25,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [815006168] [2024-11-21 11:07:25,623 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-21 11:07:25,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 11:07:25,623 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 11:07:25,625 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 11:07:25,626 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-21 11:07:26,066 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 22 check-sat command(s) [2024-11-21 11:07:26,066 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 11:07:26,071 INFO L256 TraceCheckSpWp]: Trace formula consists of 918 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-21 11:07:26,076 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 11:07:26,330 INFO L134 CoverageAnalysis]: Checked inductivity of 2121 backedges. 2121 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 11:07:26,331 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-21 11:07:26,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [815006168] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 11:07:26,331 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-21 11:07:26,331 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [23] total 24 [2024-11-21 11:07:26,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115660857] [2024-11-21 11:07:26,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 11:07:26,331 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-21 11:07:26,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 11:07:26,333 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-21 11:07:26,334 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=256, Invalid=296, Unknown=0, NotChecked=0, Total=552 [2024-11-21 11:07:26,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:07:26,334 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 11:07:26,334 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 9.565217391304348) internal successors, (220), 23 states have internal predecessors, (220), 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) [2024-11-21 11:07:26,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:07:26,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:07:26,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-21 11:07:26,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-11-21 11:07:26,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-11-21 11:07:26,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:07:26,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:07:26,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:07:26,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-21 11:07:26,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-21 11:07:26,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-11-21 11:07:26,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-21 11:07:26,773 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-21 11:07:26,956 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-21 11:07:26,957 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 11:07:26,957 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 11:07:26,957 INFO L139 ounterexampleChecker]: Examining path program with hash -575098483, occurence #1 [2024-11-21 11:07:26,957 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 11:07:26,957 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 11:07:26,957 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 11:07:26,957 INFO L85 PathProgramCache]: Analyzing trace with hash -1936918452, now seen corresponding path program 6 times [2024-11-21 11:07:26,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 11:07:26,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946975211] [2024-11-21 11:07:26,958 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 11:07:26,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 11:07:27,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 11:07:27,683 INFO L134 CoverageAnalysis]: Checked inductivity of 1921 backedges. 1730 proven. 191 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 11:07:27,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 11:07:27,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1946975211] [2024-11-21 11:07:27,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1946975211] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 11:07:27,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [401710660] [2024-11-21 11:07:27,684 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-21 11:07:27,684 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 11:07:27,684 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 11:07:27,686 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 11:07:27,688 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-21 11:07:28,126 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 21 check-sat command(s) [2024-11-21 11:07:28,126 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 11:07:28,129 INFO L256 TraceCheckSpWp]: Trace formula consists of 897 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-21 11:07:28,133 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 11:07:28,371 INFO L134 CoverageAnalysis]: Checked inductivity of 1921 backedges. 1921 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 11:07:28,372 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-21 11:07:28,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [401710660] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 11:07:28,372 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-21 11:07:28,372 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [23] total 24 [2024-11-21 11:07:28,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231222902] [2024-11-21 11:07:28,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 11:07:28,372 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-21 11:07:28,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 11:07:28,373 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-21 11:07:28,373 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=256, Invalid=296, Unknown=0, NotChecked=0, Total=552 [2024-11-21 11:07:28,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:07:28,373 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 11:07:28,374 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 9.347826086956522) internal successors, (215), 23 states have internal predecessors, (215), 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) [2024-11-21 11:07:28,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:07:28,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:07:28,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-21 11:07:28,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-11-21 11:07:28,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-11-21 11:07:28,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-11-21 11:07:28,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:07:28,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:07:28,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:07:28,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-21 11:07:28,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-21 11:07:28,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-11-21 11:07:28,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-21 11:07:28,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-21 11:07:28,811 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-21 11:07:28,998 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 11:07:28,998 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 11:07:28,998 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 11:07:28,999 INFO L139 ounterexampleChecker]: Examining path program with hash 68953155, occurence #3 [2024-11-21 11:07:28,999 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 11:07:28,999 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2024-11-21 11:07:28,999 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 11:07:28,999 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2024-11-21 11:07:28,999 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:07:28,999 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-11-21 11:07:28,999 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:07:28,999 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2024-11-21 11:07:28,999 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:07:28,999 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2024-11-21 11:07:28,999 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:07:28,999 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2024-11-21 11:07:28,999 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:07:28,999 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 31 [2024-11-21 11:07:28,999 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:07:28,999 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2024-11-21 11:07:28,999 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:07:29,000 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 41 [2024-11-21 11:07:29,000 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:07:29,000 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 50 [2024-11-21 11:07:29,000 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:07:29,000 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2024-11-21 11:07:29,000 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:07:29,000 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 60 [2024-11-21 11:07:29,000 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:07:29,000 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 61 [2024-11-21 11:07:29,000 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:07:29,000 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 70 [2024-11-21 11:07:29,000 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:07:29,000 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 71 [2024-11-21 11:07:29,000 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:07:29,000 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 80 [2024-11-21 11:07:29,000 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:07:29,000 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 81 [2024-11-21 11:07:29,000 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:07:29,000 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 90 [2024-11-21 11:07:29,000 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:07:29,000 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 91 [2024-11-21 11:07:29,000 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:07:29,000 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 100 [2024-11-21 11:07:29,000 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:07:29,000 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 101 [2024-11-21 11:07:29,000 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:07:29,000 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 110 [2024-11-21 11:07:29,000 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:07:29,001 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 111 [2024-11-21 11:07:29,001 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:07:29,001 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 120 [2024-11-21 11:07:29,001 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:07:29,001 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 121 [2024-11-21 11:07:29,001 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:07:29,001 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 130 [2024-11-21 11:07:29,001 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:07:29,001 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 131 [2024-11-21 11:07:29,001 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:07:29,001 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 140 [2024-11-21 11:07:29,001 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:07:29,001 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 141 [2024-11-21 11:07:29,001 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:07:29,001 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 150 [2024-11-21 11:07:29,001 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:07:29,001 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 151 [2024-11-21 11:07:29,001 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:07:29,001 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 160 [2024-11-21 11:07:29,001 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:07:29,001 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 161 [2024-11-21 11:07:29,001 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:07:29,001 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 170 [2024-11-21 11:07:29,001 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:07:29,001 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 171 [2024-11-21 11:07:29,001 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:07:29,001 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 180 [2024-11-21 11:07:29,001 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:07:29,001 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 181 [2024-11-21 11:07:29,002 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:07:29,002 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 190 [2024-11-21 11:07:29,002 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:07:29,002 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 191 [2024-11-21 11:07:29,002 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:07:29,002 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 201 [2024-11-21 11:07:29,002 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 11:07:29,002 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 202 [2024-11-21 11:07:29,002 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:07:29,002 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 11:07:29,002 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 11:07:29,002 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 11:07:29,002 INFO L85 PathProgramCache]: Analyzing trace with hash -1505188972, now seen corresponding path program 7 times [2024-11-21 11:07:29,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 11:07:29,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898264144] [2024-11-21 11:07:29,003 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 11:07:29,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 11:07:29,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 11:07:29,604 INFO L134 CoverageAnalysis]: Checked inductivity of 1824 backedges. 0 proven. 1824 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 11:07:29,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 11:07:29,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1898264144] [2024-11-21 11:07:29,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1898264144] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 11:07:29,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [809571673] [2024-11-21 11:07:29,606 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-21 11:07:29,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 11:07:29,606 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 11:07:29,608 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 11:07:29,609 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-21 11:07:29,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 11:07:29,850 INFO L256 TraceCheckSpWp]: Trace formula consists of 859 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-21 11:07:29,853 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 11:07:30,071 INFO L134 CoverageAnalysis]: Checked inductivity of 1824 backedges. 0 proven. 1824 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 11:07:30,071 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 11:07:30,437 INFO L134 CoverageAnalysis]: Checked inductivity of 1824 backedges. 0 proven. 1824 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 11:07:30,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [809571673] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 11:07:30,437 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 11:07:30,437 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22, 22] total 23 [2024-11-21 11:07:30,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275685048] [2024-11-21 11:07:30,438 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 11:07:30,438 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-21 11:07:30,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 11:07:30,439 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-21 11:07:30,439 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=253, Invalid=253, Unknown=0, NotChecked=0, Total=506 [2024-11-21 11:07:30,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:07:30,439 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 11:07:30,440 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 9.391304347826088) internal successors, (216), 23 states have internal predecessors, (216), 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) [2024-11-21 11:07:30,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:07:30,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:07:30,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-21 11:07:30,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-11-21 11:07:30,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-11-21 11:07:30,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-11-21 11:07:30,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-11-21 11:07:30,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:07:34,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:07:34,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:07:34,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2024-11-21 11:07:34,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-21 11:07:34,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-11-21 11:07:34,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-21 11:07:34,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-21 11:07:34,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-21 11:07:34,785 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2024-11-21 11:07:34,785 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2024-11-21 11:07:34,803 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-21 11:07:34,989 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 11:07:34,993 INFO L422 BasicCegarLoop]: Path program histogram: [7, 1] [2024-11-21 11:07:34,996 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-21 11:07:34,996 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-21 11:07:35,011 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-11-21 11:07:35,012 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 11:07:35 BasicIcfg [2024-11-21 11:07:35,012 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-21 11:07:35,012 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-21 11:07:35,012 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-21 11:07:35,013 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-21 11:07:35,013 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:07:11" (3/4) ... [2024-11-21 11:07:35,015 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-21 11:07:35,017 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread_function_mutex [2024-11-21 11:07:35,020 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 44 nodes and edges [2024-11-21 11:07:35,021 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-11-21 11:07:35,021 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-21 11:07:35,021 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-21 11:07:35,082 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/witness.graphml [2024-11-21 11:07:35,082 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/witness.yml [2024-11-21 11:07:35,082 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-21 11:07:35,083 INFO L158 Benchmark]: Toolchain (without parser) took 24585.32ms. Allocated memory was 83.9MB in the beginning and 394.3MB in the end (delta: 310.4MB). Free memory was 58.3MB in the beginning and 143.1MB in the end (delta: -84.8MB). Peak memory consumption was 227.1MB. Max. memory is 16.1GB. [2024-11-21 11:07:35,083 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 83.9MB. Free memory was 63.6MB in the beginning and 63.6MB in the end (delta: 37.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-21 11:07:35,083 INFO L158 Benchmark]: CACSL2BoogieTranslator took 618.53ms. Allocated memory is still 83.9MB. Free memory was 58.3MB in the beginning and 57.2MB in the end (delta: 1.1MB). Peak memory consumption was 47.2MB. Max. memory is 16.1GB. [2024-11-21 11:07:35,083 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.94ms. Allocated memory is still 83.9MB. Free memory was 57.2MB in the beginning and 55.0MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-21 11:07:35,083 INFO L158 Benchmark]: Boogie Preprocessor took 37.03ms. Allocated memory is still 83.9MB. Free memory was 55.0MB in the beginning and 54.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-21 11:07:35,084 INFO L158 Benchmark]: RCFGBuilder took 522.47ms. Allocated memory is still 83.9MB. Free memory was 54.0MB in the beginning and 33.6MB in the end (delta: 20.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-21 11:07:35,084 INFO L158 Benchmark]: TraceAbstraction took 23231.34ms. Allocated memory was 83.9MB in the beginning and 394.3MB in the end (delta: 310.4MB). Free memory was 56.0MB in the beginning and 150.3MB in the end (delta: -94.4MB). Peak memory consumption was 211.6MB. Max. memory is 16.1GB. [2024-11-21 11:07:35,084 INFO L158 Benchmark]: Witness Printer took 69.67ms. Allocated memory is still 394.3MB. Free memory was 150.3MB in the beginning and 143.1MB in the end (delta: 7.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-21 11:07:35,085 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 83.9MB. Free memory was 63.6MB in the beginning and 63.6MB in the end (delta: 37.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 618.53ms. Allocated memory is still 83.9MB. Free memory was 58.3MB in the beginning and 57.2MB in the end (delta: 1.1MB). Peak memory consumption was 47.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.94ms. Allocated memory is still 83.9MB. Free memory was 57.2MB in the beginning and 55.0MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 37.03ms. Allocated memory is still 83.9MB. Free memory was 55.0MB in the beginning and 54.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 522.47ms. Allocated memory is still 83.9MB. Free memory was 54.0MB in the beginning and 33.6MB in the end (delta: 20.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 23231.34ms. Allocated memory was 83.9MB in the beginning and 394.3MB in the end (delta: 310.4MB). Free memory was 56.0MB in the beginning and 150.3MB in the end (delta: -94.4MB). Peak memory consumption was 211.6MB. Max. memory is 16.1GB. * Witness Printer took 69.67ms. Allocated memory is still 394.3MB. Free memory was 150.3MB in the beginning and 143.1MB in the end (delta: 7.2MB). Peak memory consumption was 8.4MB. 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: 29046, independent: 25722, independent conditional: 25594, independent unconditional: 128, dependent: 3324, dependent conditional: 3318, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 27983, independent: 25722, independent conditional: 25594, independent unconditional: 128, dependent: 2261, dependent conditional: 2255, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 27983, independent: 25722, independent conditional: 25594, independent unconditional: 128, dependent: 2261, dependent conditional: 2255, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 43777, independent: 25722, independent conditional: 25594, independent unconditional: 128, dependent: 18055, dependent conditional: 18049, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 43777, independent: 25722, independent conditional: 0, independent unconditional: 25722, dependent: 18055, dependent conditional: 761, dependent unconditional: 17294, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 43777, independent: 25722, independent conditional: 0, independent unconditional: 25722, dependent: 18055, dependent conditional: 761, dependent unconditional: 17294, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 186, independent: 103, independent conditional: 0, independent unconditional: 103, dependent: 83, dependent conditional: 77, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 186, independent: 98, independent conditional: 0, independent unconditional: 98, dependent: 88, dependent conditional: 0, dependent unconditional: 88, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 88, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 83, dependent conditional: 77, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 88, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 83, dependent conditional: 77, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 544, independent: 78, independent conditional: 0, independent unconditional: 78, dependent: 466, dependent conditional: 386, dependent unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 43777, independent: 25619, independent conditional: 0, independent unconditional: 25619, dependent: 17972, dependent conditional: 684, dependent unconditional: 17288, unknown: 186, unknown conditional: 77, unknown unconditional: 109] , Statistics on independence cache: Total cache size (in pairs): 186, Positive cache size: 103, Positive conditional cache size: 0, Positive unconditional cache size: 103, Negative cache size: 83, Negative conditional cache size: 77, Negative unconditional cache size: 6, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 42882, Maximal queried relation: 8, Independence queries for same thread: 1063, Persistent sets #1 benchmarks: Persistent set computation time: 0.2s, Number of persistent set computation: 80, Number of trivial persistent sets: 74, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 134, independent: 128, independent conditional: 0, independent unconditional: 128, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 29046, independent: 25722, independent conditional: 25594, independent unconditional: 128, dependent: 3324, dependent conditional: 3318, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 27983, independent: 25722, independent conditional: 25594, independent unconditional: 128, dependent: 2261, dependent conditional: 2255, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 27983, independent: 25722, independent conditional: 25594, independent unconditional: 128, dependent: 2261, dependent conditional: 2255, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 43777, independent: 25722, independent conditional: 25594, independent unconditional: 128, dependent: 18055, dependent conditional: 18049, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 43777, independent: 25722, independent conditional: 0, independent unconditional: 25722, dependent: 18055, dependent conditional: 761, dependent unconditional: 17294, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 43777, independent: 25722, independent conditional: 0, independent unconditional: 25722, dependent: 18055, dependent conditional: 761, dependent unconditional: 17294, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 186, independent: 103, independent conditional: 0, independent unconditional: 103, dependent: 83, dependent conditional: 77, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 186, independent: 98, independent conditional: 0, independent unconditional: 98, dependent: 88, dependent conditional: 0, dependent unconditional: 88, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 88, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 83, dependent conditional: 77, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 88, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 83, dependent conditional: 77, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 544, independent: 78, independent conditional: 0, independent unconditional: 78, dependent: 466, dependent conditional: 386, dependent unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 43777, independent: 25619, independent conditional: 0, independent unconditional: 25619, dependent: 17972, dependent conditional: 684, dependent unconditional: 17288, unknown: 186, unknown conditional: 77, unknown unconditional: 109] , Statistics on independence cache: Total cache size (in pairs): 186, Positive cache size: 103, Positive conditional cache size: 0, Positive unconditional cache size: 103, Negative cache size: 83, Negative conditional cache size: 77, Negative unconditional cache size: 6, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 42882, Maximal queried relation: 8, Independence queries for same thread: 1063 - PositiveResult [Line: 13]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 3 procedures, 30 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 23.0s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 7, EmptinessCheckTime: 9.7s, 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: 0.3s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 9.3s InterpolantComputationTime, 2135 NumberOfCodeBlocks, 2135 NumberOfCodeBlocksAsserted, 70 NumberOfCheckSat, 2740 ConstructedInterpolants, 0 QuantifiedInterpolants, 7905 SizeOfPredicates, 22 NumberOfNonLiveVariables, 4508 ConjunctsInSsa, 214 ConjunctsInUnsatCore, 20 InterpolantComputations, 3 PerfectInterpolantSequences, 7797/21602 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: SuccessfulCommutativityProofs: 0, ConComChecker Statistics: CheckTime [ms]: 17, ConditionCalculationTime [ms]: 0, ConditionCalculations: 132, QuantifiedConditions: 0, TraceChecks: 0, UnknownTraceChecks: 0, ImperfectProofs: 0 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-21 11:07:35,108 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE