./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-C-DAC/pthread-demo-datarace-1.i --traceabstraction.use.conditional.por.in.concurrent.analysis true --traceabstraction.commutativity.condition.synthesis NECESSARY_AND_SUFFICIENT --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ebd41074 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 ../../../trunk/examples/svcomp/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 --traceabstraction.use.conditional.por.in.concurrent.analysis true --traceabstraction.commutativity.condition.synthesis NECESSARY_AND_SUFFICIENT --- Real Ultimate output --- This is Ultimate 0.3.0-dev-ebd4107-m [2025-01-24 00:14:28,116 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-24 00:14:28,195 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2025-01-24 00:14:28,201 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-24 00:14:28,201 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-24 00:14:28,220 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-24 00:14:28,221 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-24 00:14:28,221 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-24 00:14:28,222 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-24 00:14:28,222 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-24 00:14:28,222 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-24 00:14:28,223 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-24 00:14:28,223 INFO L153 SettingsManager]: * Use SBE=true [2025-01-24 00:14:28,223 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-24 00:14:28,223 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-24 00:14:28,223 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-24 00:14:28,223 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-24 00:14:28,224 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-24 00:14:28,224 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-24 00:14:28,224 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-24 00:14:28,224 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-24 00:14:28,224 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-24 00:14:28,224 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-24 00:14:28,224 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-24 00:14:28,224 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-24 00:14:28,224 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-24 00:14:28,224 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-24 00:14:28,224 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-24 00:14:28,224 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-24 00:14:28,225 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-24 00:14:28,225 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-01-24 00:14:28,225 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-24 00:14:28,225 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-24 00:14:28,225 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-24 00:14:28,225 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-01-24 00:14:28,225 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-24 00:14:28,225 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-24 00:14:28,226 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-01-24 00:14:28,226 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-24 00:14:28,226 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-24 00:14:28,226 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-01-24 00:14:28,226 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-01-24 00:14:28,226 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-01-24 00:14:28,226 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 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use conditional POR in concurrent analysis -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Commutativity condition synthesis -> NECESSARY_AND_SUFFICIENT [2025-01-24 00:14:28,475 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-24 00:14:28,481 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-24 00:14:28,483 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-24 00:14:28,484 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-24 00:14:28,484 INFO L274 PluginConnector]: CDTParser initialized [2025-01-24 00:14:28,485 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-C-DAC/pthread-demo-datarace-1.i [2025-01-24 00:14:29,580 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/9224e09d8/0370239fa1c64703b2f958f9915be213/FLAG952e9227f [2025-01-24 00:14:29,793 INFO L384 CDTParser]: Found 1 translation units. [2025-01-24 00:14:29,794 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/trunk/examples/svcomp/pthread-C-DAC/pthread-demo-datarace-1.i [2025-01-24 00:14:29,810 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/9224e09d8/0370239fa1c64703b2f958f9915be213/FLAG952e9227f [2025-01-24 00:14:29,823 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/9224e09d8/0370239fa1c64703b2f958f9915be213 [2025-01-24 00:14:29,825 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-24 00:14:29,826 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-24 00:14:29,827 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-24 00:14:29,827 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-24 00:14:29,830 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-24 00:14:29,830 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.01 12:14:29" (1/1) ... [2025-01-24 00:14:29,831 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51217197 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 12:14:29, skipping insertion in model container [2025-01-24 00:14:29,831 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.01 12:14:29" (1/1) ... [2025-01-24 00:14:29,863 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-24 00:14:29,972 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/trunk/examples/svcomp/pthread-C-DAC/pthread-demo-datarace-1.i[820,833] [2025-01-24 00:14:30,170 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-24 00:14:30,179 INFO L200 MainTranslator]: Completed pre-run [2025-01-24 00:14:30,209 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/trunk/examples/svcomp/pthread-C-DAC/pthread-demo-datarace-1.i[820,833] [2025-01-24 00:14:30,257 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-24 00:14:30,309 INFO L204 MainTranslator]: Completed translation [2025-01-24 00:14:30,311 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 12:14:30 WrapperNode [2025-01-24 00:14:30,311 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-24 00:14:30,312 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-24 00:14:30,313 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-24 00:14:30,313 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-24 00:14:30,317 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 12:14:30" (1/1) ... [2025-01-24 00:14:30,330 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 12:14:30" (1/1) ... [2025-01-24 00:14:30,341 INFO L138 Inliner]: procedures = 364, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 60 [2025-01-24 00:14:30,341 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-24 00:14:30,342 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-24 00:14:30,342 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-24 00:14:30,342 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-24 00:14:30,346 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 12:14:30" (1/1) ... [2025-01-24 00:14:30,347 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 12:14:30" (1/1) ... [2025-01-24 00:14:30,349 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 12:14:30" (1/1) ... [2025-01-24 00:14:30,349 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 12:14:30" (1/1) ... [2025-01-24 00:14:30,352 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 12:14:30" (1/1) ... [2025-01-24 00:14:30,352 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 12:14:30" (1/1) ... [2025-01-24 00:14:30,354 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 12:14:30" (1/1) ... [2025-01-24 00:14:30,355 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 12:14:30" (1/1) ... [2025-01-24 00:14:30,355 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 12:14:30" (1/1) ... [2025-01-24 00:14:30,356 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-24 00:14:30,356 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-24 00:14:30,356 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-24 00:14:30,357 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-24 00:14:30,357 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 12:14:30" (1/1) ... [2025-01-24 00:14:30,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-01-24 00:14:30,374 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 00:14:30,382 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) [2025-01-24 00:14:30,384 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 [2025-01-24 00:14:30,398 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-01-24 00:14:30,398 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-01-24 00:14:30,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-24 00:14:30,398 INFO L130 BoogieDeclarations]: Found specification of procedure thread_function_mutex [2025-01-24 00:14:30,398 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_function_mutex [2025-01-24 00:14:30,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-01-24 00:14:30,398 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-24 00:14:30,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-24 00:14:30,399 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-01-24 00:14:30,483 INFO L234 CfgBuilder]: Building ICFG [2025-01-24 00:14:30,484 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-24 00:14:30,596 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-01-24 00:14:30,596 INFO L283 CfgBuilder]: Performing block encoding [2025-01-24 00:14:30,677 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-24 00:14:30,677 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-24 00:14:30,678 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.01 12:14:30 BoogieIcfgContainer [2025-01-24 00:14:30,678 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-24 00:14:30,680 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-24 00:14:30,680 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-24 00:14:30,683 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-24 00:14:30,683 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.01 12:14:29" (1/3) ... [2025-01-24 00:14:30,684 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ca1caa9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.01 12:14:30, skipping insertion in model container [2025-01-24 00:14:30,684 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 12:14:30" (2/3) ... [2025-01-24 00:14:30,684 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ca1caa9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.01 12:14:30, skipping insertion in model container [2025-01-24 00:14:30,685 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.01 12:14:30" (3/3) ... [2025-01-24 00:14:30,685 INFO L128 eAbstractionObserver]: Analyzing ICFG pthread-demo-datarace-1.i [2025-01-24 00:14:30,694 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-24 00:14:30,696 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. [2025-01-24 00:14:30,696 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-01-24 00:14:30,723 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2025-01-24 00:14:30,755 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-24 00:14:30,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-01-24 00:14:30,755 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 00:14:30,757 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) [2025-01-24 00:14:30,758 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 [2025-01-24 00:14:30,805 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-01-24 00:14:30,814 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2025-01-24 00:14:30,820 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;@41d8be5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-24 00:14:30,820 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2025-01-24 00:14:30,900 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-24 00:14:30,900 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 00:14:30,901 INFO L139 ounterexampleChecker]: Examining path program with hash -1002364952, occurence #1 [2025-01-24 00:14:30,901 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-24 00:14:30,902 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 00:14:30,904 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 00:14:30,905 INFO L85 PathProgramCache]: Analyzing trace with hash -543277899, now seen corresponding path program 1 times [2025-01-24 00:14:30,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 00:14:30,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95861625] [2025-01-24 00:14:30,910 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 00:14:30,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 00:14:30,967 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-01-24 00:14:30,987 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-01-24 00:14:30,987 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 00:14:30,987 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 00:14:31,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 00:14:31,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 00:14:31,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95861625] [2025-01-24 00:14:31,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [95861625] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-24 00:14:31,100 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-24 00:14:31,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-24 00:14:31,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283876146] [2025-01-24 00:14:31,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-24 00:14:31,105 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-24 00:14:31,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 00:14:31,116 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-24 00:14:31,116 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-24 00:14:31,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 00:14:31,117 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 00:14:31,118 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) [2025-01-24 00:14:31,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 00:14:31,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 00:14:31,208 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-24 00:14:31,208 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-24 00:14:31,208 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 00:14:31,209 INFO L139 ounterexampleChecker]: Examining path program with hash 1669244519, occurence #1 [2025-01-24 00:14:31,209 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-24 00:14:31,209 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 00:14:31,209 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 00:14:31,209 INFO L85 PathProgramCache]: Analyzing trace with hash -167581484, now seen corresponding path program 1 times [2025-01-24 00:14:31,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 00:14:31,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234679750] [2025-01-24 00:14:31,209 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 00:14:31,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 00:14:31,223 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-01-24 00:14:31,256 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-01-24 00:14:31,256 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 00:14:31,256 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 00:14:31,379 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 00:14:31,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 00:14:31,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1234679750] [2025-01-24 00:14:31,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1234679750] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 00:14:31,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1873166533] [2025-01-24 00:14:31,380 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 00:14:31,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 00:14:31,380 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 00:14:31,382 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) [2025-01-24 00:14:31,383 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 [2025-01-24 00:14:31,429 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-01-24 00:14:31,450 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-01-24 00:14:31,450 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 00:14:31,451 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 00:14:31,452 INFO L256 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-24 00:14:31,454 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 00:14:31,482 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 00:14:31,483 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 00:14:31,519 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 00:14:31,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1873166533] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 00:14:31,519 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 00:14:31,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2025-01-24 00:14:31,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513623276] [2025-01-24 00:14:31,519 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 00:14:31,520 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-24 00:14:31,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 00:14:31,520 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-24 00:14:31,520 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-01-24 00:14:31,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 00:14:31,520 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 00:14:31,521 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) [2025-01-24 00:14:31,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 00:14:31,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 00:14:31,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 00:14:31,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-24 00:14:31,624 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-01-24 00:14:31,818 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 [2025-01-24 00:14:31,818 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-24 00:14:31,818 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 00:14:31,818 INFO L139 ounterexampleChecker]: Examining path program with hash 1669244519, occurence #2 [2025-01-24 00:14:31,818 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 00:14:31,819 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2025-01-24 00:14:31,833 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 00:14:31,833 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2025-01-24 00:14:31,833 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:31,833 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2025-01-24 00:14:31,833 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:31,833 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2025-01-24 00:14:31,833 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:31,833 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2025-01-24 00:14:31,833 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:31,833 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2025-01-24 00:14:31,833 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:31,833 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2025-01-24 00:14:31,833 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:31,833 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2025-01-24 00:14:31,833 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:31,833 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2025-01-24 00:14:31,833 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:31,833 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 31 [2025-01-24 00:14:31,833 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:31,833 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2025-01-24 00:14:31,833 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:31,833 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2025-01-24 00:14:31,833 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:31,833 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 41 [2025-01-24 00:14:31,833 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:31,834 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2025-01-24 00:14:31,834 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 00:14:31,834 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 00:14:31,834 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 00:14:31,834 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 00:14:31,834 INFO L85 PathProgramCache]: Analyzing trace with hash 355372209, now seen corresponding path program 2 times [2025-01-24 00:14:31,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 00:14:31,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665934565] [2025-01-24 00:14:31,834 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-24 00:14:31,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 00:14:31,852 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 55 statements into 2 equivalence classes. [2025-01-24 00:14:31,873 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 55 of 55 statements. [2025-01-24 00:14:31,879 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-24 00:14:31,879 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 00:14:32,040 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 00:14:32,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 00:14:32,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [665934565] [2025-01-24 00:14:32,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [665934565] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 00:14:32,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1034336972] [2025-01-24 00:14:32,040 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-24 00:14:32,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 00:14:32,040 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 00:14:32,043 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) [2025-01-24 00:14:32,044 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 [2025-01-24 00:14:32,097 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 55 statements into 2 equivalence classes. [2025-01-24 00:14:32,127 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 55 of 55 statements. [2025-01-24 00:14:32,127 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-24 00:14:32,127 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 00:14:32,128 INFO L256 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-01-24 00:14:32,129 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 00:14:32,221 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 00:14:32,222 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 00:14:32,345 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 00:14:32,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1034336972] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 00:14:32,346 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 00:14:32,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 8] total 19 [2025-01-24 00:14:32,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515562179] [2025-01-24 00:14:32,347 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 00:14:32,347 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2025-01-24 00:14:32,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 00:14:32,348 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2025-01-24 00:14:32,349 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=231, Unknown=0, NotChecked=0, Total=342 [2025-01-24 00:14:32,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 00:14:32,349 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 00:14:32,350 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) [2025-01-24 00:14:32,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 00:14:32,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-24 00:14:32,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 00:14:32,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 00:14:32,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-24 00:14:32,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-01-24 00:14:32,586 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 [2025-01-24 00:14:32,783 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 [2025-01-24 00:14:32,784 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-24 00:14:32,784 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 00:14:32,784 INFO L139 ounterexampleChecker]: Examining path program with hash 1778893543, occurence #1 [2025-01-24 00:14:32,784 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-24 00:14:32,784 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 00:14:32,784 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 00:14:32,784 INFO L85 PathProgramCache]: Analyzing trace with hash 1729369584, now seen corresponding path program 3 times [2025-01-24 00:14:32,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 00:14:32,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940489509] [2025-01-24 00:14:32,784 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-24 00:14:32,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 00:14:32,799 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 95 statements into 7 equivalence classes. [2025-01-24 00:14:32,824 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) and asserted 90 of 95 statements. [2025-01-24 00:14:32,825 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2025-01-24 00:14:32,825 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 00:14:32,999 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 0 proven. 130 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2025-01-24 00:14:33,000 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 00:14:33,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940489509] [2025-01-24 00:14:33,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [940489509] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 00:14:33,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1006473237] [2025-01-24 00:14:33,000 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-24 00:14:33,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 00:14:33,000 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 00:14:33,002 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) [2025-01-24 00:14:33,003 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 [2025-01-24 00:14:33,060 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 95 statements into 7 equivalence classes. [2025-01-24 00:14:33,123 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) and asserted 90 of 95 statements. [2025-01-24 00:14:33,123 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2025-01-24 00:14:33,123 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 00:14:33,125 INFO L256 TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-01-24 00:14:33,127 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 00:14:33,194 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 0 proven. 130 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2025-01-24 00:14:33,195 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 00:14:33,301 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 0 proven. 130 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2025-01-24 00:14:33,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1006473237] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 00:14:33,302 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 00:14:33,302 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 15 [2025-01-24 00:14:33,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183913767] [2025-01-24 00:14:33,302 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 00:14:33,302 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2025-01-24 00:14:33,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 00:14:33,303 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2025-01-24 00:14:33,303 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=105, Unknown=0, NotChecked=0, Total=210 [2025-01-24 00:14:33,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 00:14:33,303 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 00:14:33,303 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 9.2) internal successors, (138), 15 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-24 00:14:33,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 00:14:33,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-24 00:14:33,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-01-24 00:14:33,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 00:14:33,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 00:14:33,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-24 00:14:33,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-01-24 00:14:33,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-24 00:14:33,496 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-01-24 00:14:33,687 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 [2025-01-24 00:14:33,687 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-24 00:14:33,687 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 00:14:33,687 INFO L139 ounterexampleChecker]: Examining path program with hash 1669244519, occurence #3 [2025-01-24 00:14:33,687 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 00:14:33,687 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2025-01-24 00:14:33,687 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 00:14:33,687 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2025-01-24 00:14:33,687 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:33,687 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2025-01-24 00:14:33,687 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:33,687 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2025-01-24 00:14:33,687 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:33,688 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2025-01-24 00:14:33,688 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:33,688 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2025-01-24 00:14:33,688 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:33,688 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2025-01-24 00:14:33,688 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:33,688 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2025-01-24 00:14:33,688 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:33,688 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2025-01-24 00:14:33,688 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:33,688 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 31 [2025-01-24 00:14:33,688 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:33,688 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2025-01-24 00:14:33,688 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:33,688 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2025-01-24 00:14:33,688 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:33,688 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 41 [2025-01-24 00:14:33,688 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:33,688 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 49 [2025-01-24 00:14:33,688 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:33,688 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 50 [2025-01-24 00:14:33,688 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:33,688 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2025-01-24 00:14:33,688 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:33,688 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 59 [2025-01-24 00:14:33,688 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:33,688 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 60 [2025-01-24 00:14:33,688 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:33,688 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 61 [2025-01-24 00:14:33,688 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:33,688 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 69 [2025-01-24 00:14:33,688 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:33,688 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 70 [2025-01-24 00:14:33,688 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:33,688 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 71 [2025-01-24 00:14:33,688 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:33,689 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 79 [2025-01-24 00:14:33,689 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:33,689 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 80 [2025-01-24 00:14:33,689 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:33,689 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 81 [2025-01-24 00:14:33,689 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:33,689 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 89 [2025-01-24 00:14:33,689 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:33,689 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 90 [2025-01-24 00:14:33,689 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:33,689 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 91 [2025-01-24 00:14:33,689 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:33,689 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 99 [2025-01-24 00:14:33,689 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:33,689 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 100 [2025-01-24 00:14:33,689 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:33,689 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 101 [2025-01-24 00:14:33,689 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:33,689 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 109 [2025-01-24 00:14:33,689 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:33,689 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 110 [2025-01-24 00:14:33,689 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:33,689 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 111 [2025-01-24 00:14:33,689 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:33,689 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 119 [2025-01-24 00:14:33,689 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:33,689 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 120 [2025-01-24 00:14:33,690 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:33,690 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 121 [2025-01-24 00:14:33,690 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:33,690 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 131 [2025-01-24 00:14:33,691 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 00:14:33,691 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 00:14:33,691 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 00:14:33,691 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 00:14:33,691 INFO L85 PathProgramCache]: Analyzing trace with hash 1413032105, now seen corresponding path program 4 times [2025-01-24 00:14:33,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 00:14:33,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747074206] [2025-01-24 00:14:33,691 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-24 00:14:33,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 00:14:33,713 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 135 statements into 2 equivalence classes. [2025-01-24 00:14:33,758 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 135 of 135 statements. [2025-01-24 00:14:33,759 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-01-24 00:14:33,759 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 00:14:34,077 INFO L134 CoverageAnalysis]: Checked inductivity of 732 backedges. 0 proven. 732 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 00:14:34,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 00:14:34,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [747074206] [2025-01-24 00:14:34,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [747074206] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 00:14:34,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1868944484] [2025-01-24 00:14:34,077 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-24 00:14:34,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 00:14:34,077 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 00:14:34,080 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) [2025-01-24 00:14:34,081 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 [2025-01-24 00:14:34,150 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 135 statements into 2 equivalence classes. [2025-01-24 00:14:34,234 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 135 of 135 statements. [2025-01-24 00:14:34,234 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-01-24 00:14:34,234 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 00:14:34,236 INFO L256 TraceCheckSpWp]: Trace formula consists of 579 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-01-24 00:14:34,239 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 00:14:34,361 INFO L134 CoverageAnalysis]: Checked inductivity of 732 backedges. 0 proven. 732 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 00:14:34,361 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 00:14:34,627 INFO L134 CoverageAnalysis]: Checked inductivity of 732 backedges. 0 proven. 732 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 00:14:34,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1868944484] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 00:14:34,627 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 00:14:34,627 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 22 [2025-01-24 00:14:34,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301876375] [2025-01-24 00:14:34,628 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 00:14:34,628 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2025-01-24 00:14:34,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 00:14:34,629 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2025-01-24 00:14:34,630 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=231, Invalid=231, Unknown=0, NotChecked=0, Total=462 [2025-01-24 00:14:34,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 00:14:34,631 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 00:14:34,631 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 9.409090909090908) internal successors, (207), 22 states have internal predecessors, (207), 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) [2025-01-24 00:14:34,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 00:14:34,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-24 00:14:34,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-01-24 00:14:34,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-01-24 00:14:34,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 00:14:34,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 00:14:34,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-24 00:14:34,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-01-24 00:14:34,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-24 00:14:34,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-01-24 00:14:34,865 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-01-24 00:14:35,063 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 [2025-01-24 00:14:35,063 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-24 00:14:35,063 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 00:14:35,063 INFO L139 ounterexampleChecker]: Examining path program with hash 1669244519, occurence #4 [2025-01-24 00:14:35,063 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 00:14:35,064 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2025-01-24 00:14:35,064 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 00:14:35,064 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2025-01-24 00:14:35,064 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:35,064 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2025-01-24 00:14:35,064 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:35,064 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2025-01-24 00:14:35,064 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:35,064 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2025-01-24 00:14:35,064 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:35,064 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2025-01-24 00:14:35,064 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:35,064 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2025-01-24 00:14:35,064 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:35,064 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2025-01-24 00:14:35,064 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:35,064 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2025-01-24 00:14:35,064 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:35,064 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 31 [2025-01-24 00:14:35,065 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:35,065 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2025-01-24 00:14:35,065 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:35,065 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2025-01-24 00:14:35,065 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:35,065 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 41 [2025-01-24 00:14:35,065 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:35,065 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 49 [2025-01-24 00:14:35,066 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:35,066 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 50 [2025-01-24 00:14:35,066 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:35,066 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2025-01-24 00:14:35,066 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:35,066 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 59 [2025-01-24 00:14:35,066 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:35,066 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 60 [2025-01-24 00:14:35,066 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:35,066 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 61 [2025-01-24 00:14:35,066 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:35,067 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 69 [2025-01-24 00:14:35,067 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:35,067 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 70 [2025-01-24 00:14:35,067 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:35,067 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 71 [2025-01-24 00:14:35,067 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:35,067 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 79 [2025-01-24 00:14:35,067 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:35,067 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 80 [2025-01-24 00:14:35,067 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:35,067 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 81 [2025-01-24 00:14:35,067 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:35,067 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 89 [2025-01-24 00:14:35,067 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:35,067 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 90 [2025-01-24 00:14:35,067 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:35,067 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 91 [2025-01-24 00:14:35,067 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:35,067 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 99 [2025-01-24 00:14:35,067 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:35,067 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 100 [2025-01-24 00:14:35,067 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:35,067 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 101 [2025-01-24 00:14:35,067 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:35,067 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 109 [2025-01-24 00:14:35,067 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:35,067 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 110 [2025-01-24 00:14:35,067 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:35,067 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 111 [2025-01-24 00:14:35,067 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:35,067 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 119 [2025-01-24 00:14:35,067 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:35,067 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 120 [2025-01-24 00:14:35,067 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:35,067 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 121 [2025-01-24 00:14:35,067 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:35,067 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 129 [2025-01-24 00:14:35,067 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:35,067 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 130 [2025-01-24 00:14:35,067 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:35,067 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 131 [2025-01-24 00:14:35,068 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:35,068 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 139 [2025-01-24 00:14:35,068 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:35,068 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 140 [2025-01-24 00:14:35,068 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:35,068 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 141 [2025-01-24 00:14:35,068 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:35,068 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 149 [2025-01-24 00:14:35,068 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:35,068 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 150 [2025-01-24 00:14:35,068 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:35,068 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 151 [2025-01-24 00:14:35,068 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:35,068 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 159 [2025-01-24 00:14:35,068 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:35,068 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 160 [2025-01-24 00:14:35,068 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:35,068 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 161 [2025-01-24 00:14:35,068 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:35,068 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 169 [2025-01-24 00:14:35,068 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:35,068 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 170 [2025-01-24 00:14:35,068 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:35,068 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 171 [2025-01-24 00:14:35,068 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:35,068 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 179 [2025-01-24 00:14:35,068 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:35,068 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 180 [2025-01-24 00:14:35,068 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:35,068 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 181 [2025-01-24 00:14:35,069 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:35,069 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 189 [2025-01-24 00:14:35,069 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:35,070 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 190 [2025-01-24 00:14:35,070 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:35,070 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 191 [2025-01-24 00:14:35,070 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:35,070 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 199 [2025-01-24 00:14:35,070 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:35,070 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 200 [2025-01-24 00:14:35,070 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:35,070 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 201 [2025-01-24 00:14:35,070 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:35,070 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 211 [2025-01-24 00:14:35,070 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 00:14:35,070 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 00:14:35,070 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 00:14:35,070 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 00:14:35,071 INFO L85 PathProgramCache]: Analyzing trace with hash -606006111, now seen corresponding path program 5 times [2025-01-24 00:14:35,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 00:14:35,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598297340] [2025-01-24 00:14:35,071 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-24 00:14:35,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 00:14:35,101 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 215 statements into 21 equivalence classes. [2025-01-24 00:14:35,178 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 21 check-sat command(s) and asserted 215 of 215 statements. [2025-01-24 00:14:35,178 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 21 check-sat command(s) [2025-01-24 00:14:35,178 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 00:14:35,822 INFO L134 CoverageAnalysis]: Checked inductivity of 2020 backedges. 2020 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 00:14:35,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 00:14:35,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598297340] [2025-01-24 00:14:35,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [598297340] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-24 00:14:35,823 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-24 00:14:35,826 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2025-01-24 00:14:35,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091759128] [2025-01-24 00:14:35,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-24 00:14:35,826 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2025-01-24 00:14:35,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 00:14:35,827 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2025-01-24 00:14:35,827 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=253, Invalid=253, Unknown=0, NotChecked=0, Total=506 [2025-01-24 00:14:35,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 00:14:35,827 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 00:14:35,828 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) [2025-01-24 00:14:35,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 00:14:35,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-24 00:14:35,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-01-24 00:14:35,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-01-24 00:14:35,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-01-24 00:14:35,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 00:14:36,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 00:14:36,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-24 00:14:36,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-01-24 00:14:36,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-24 00:14:36,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-01-24 00:14:36,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-01-24 00:14:36,200 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-01-24 00:14:36,200 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-24 00:14:36,200 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 00:14:36,200 INFO L139 ounterexampleChecker]: Examining path program with hash 49740397, occurence #1 [2025-01-24 00:14:36,200 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-24 00:14:36,200 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 00:14:36,200 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 00:14:36,200 INFO L85 PathProgramCache]: Analyzing trace with hash -2007654064, now seen corresponding path program 6 times [2025-01-24 00:14:36,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 00:14:36,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173510267] [2025-01-24 00:14:36,200 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-24 00:14:36,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 00:14:36,220 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 210 statements into 21 equivalence classes. [2025-01-24 00:14:36,267 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 21 check-sat command(s) and asserted 210 of 210 statements. [2025-01-24 00:14:36,267 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 21 check-sat command(s) [2025-01-24 00:14:36,267 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 00:14:38,092 INFO L134 CoverageAnalysis]: Checked inductivity of 1920 backedges. 0 proven. 1920 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 00:14:38,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 00:14:38,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173510267] [2025-01-24 00:14:38,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [173510267] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 00:14:38,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [416481148] [2025-01-24 00:14:38,092 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-24 00:14:38,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 00:14:38,092 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 00:14:38,094 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) [2025-01-24 00:14:38,095 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 [2025-01-24 00:14:38,186 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 210 statements into 21 equivalence classes. [2025-01-24 00:14:38,398 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 21 check-sat command(s) and asserted 210 of 210 statements. [2025-01-24 00:14:38,398 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 21 check-sat command(s) [2025-01-24 00:14:38,398 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 00:14:38,401 INFO L256 TraceCheckSpWp]: Trace formula consists of 878 conjuncts, 128 conjuncts are in the unsatisfiable core [2025-01-24 00:14:38,405 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 00:14:38,637 INFO L134 CoverageAnalysis]: Checked inductivity of 1920 backedges. 0 proven. 1920 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 00:14:38,638 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 00:14:38,831 INFO L134 CoverageAnalysis]: Checked inductivity of 1920 backedges. 0 proven. 1920 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 00:14:38,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [416481148] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 00:14:38,832 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 00:14:38,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 43, 43] total 44 [2025-01-24 00:14:38,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504670366] [2025-01-24 00:14:38,832 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 00:14:38,832 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2025-01-24 00:14:38,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 00:14:38,833 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2025-01-24 00:14:38,834 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=1892, Unknown=0, NotChecked=0, Total=1980 [2025-01-24 00:14:38,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 00:14:38,834 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 00:14:38,834 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) [2025-01-24 00:14:38,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 00:14:38,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-24 00:14:38,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-01-24 00:14:38,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-01-24 00:14:38,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-01-24 00:14:38,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-01-24 00:14:38,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 00:14:40,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 00:14:40,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-24 00:14:40,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-01-24 00:14:40,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-24 00:14:40,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-01-24 00:14:40,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-01-24 00:14:40,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2025-01-24 00:14:40,780 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-01-24 00:14:40,973 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 00:14:40,974 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-24 00:14:40,974 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 00:14:40,974 INFO L139 ounterexampleChecker]: Examining path program with hash 1194837111, occurence #1 [2025-01-24 00:14:40,974 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-24 00:14:40,974 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 00:14:40,974 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 00:14:40,974 INFO L85 PathProgramCache]: Analyzing trace with hash -1347504666, now seen corresponding path program 7 times [2025-01-24 00:14:40,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 00:14:40,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922455259] [2025-01-24 00:14:40,974 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-24 00:14:40,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 00:14:41,004 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 215 statements into 1 equivalence classes. [2025-01-24 00:14:41,021 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 215 of 215 statements. [2025-01-24 00:14:41,021 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 00:14:41,021 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 00:14:41,480 INFO L134 CoverageAnalysis]: Checked inductivity of 1921 backedges. 1730 proven. 191 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 00:14:41,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 00:14:41,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922455259] [2025-01-24 00:14:41,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1922455259] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 00:14:41,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [986266982] [2025-01-24 00:14:41,480 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-24 00:14:41,480 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 00:14:41,480 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 00:14:41,483 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) [2025-01-24 00:14:41,484 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 [2025-01-24 00:14:41,576 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 215 statements into 1 equivalence classes. [2025-01-24 00:14:41,640 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 215 of 215 statements. [2025-01-24 00:14:41,641 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 00:14:41,641 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 00:14:41,643 INFO L256 TraceCheckSpWp]: Trace formula consists of 897 conjuncts, 22 conjuncts are in the unsatisfiable core [2025-01-24 00:14:41,646 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 00:14:41,818 INFO L134 CoverageAnalysis]: Checked inductivity of 1921 backedges. 1921 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 00:14:41,818 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-24 00:14:41,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [986266982] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-24 00:14:41,818 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-24 00:14:41,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [23] total 24 [2025-01-24 00:14:41,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018385738] [2025-01-24 00:14:41,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-24 00:14:41,818 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2025-01-24 00:14:41,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 00:14:41,819 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2025-01-24 00:14:41,819 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=256, Invalid=296, Unknown=0, NotChecked=0, Total=552 [2025-01-24 00:14:41,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 00:14:41,819 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 00:14:41,819 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) [2025-01-24 00:14:41,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 00:14:41,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-24 00:14:41,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-01-24 00:14:41,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-01-24 00:14:41,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-01-24 00:14:41,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-01-24 00:14:41,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2025-01-24 00:14:41,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 00:14:42,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 00:14:42,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-24 00:14:42,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-01-24 00:14:42,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-24 00:14:42,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-01-24 00:14:42,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-01-24 00:14:42,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2025-01-24 00:14:42,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-01-24 00:14:42,280 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-01-24 00:14:42,474 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 00:14:42,474 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-24 00:14:42,474 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 00:14:42,474 INFO L139 ounterexampleChecker]: Examining path program with hash 1194837111, occurence #2 [2025-01-24 00:14:42,474 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 00:14:42,474 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2025-01-24 00:14:42,474 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 00:14:42,474 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2025-01-24 00:14:42,474 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:42,474 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2025-01-24 00:14:42,474 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:42,474 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2025-01-24 00:14:42,474 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:42,474 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2025-01-24 00:14:42,475 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:42,475 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2025-01-24 00:14:42,475 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:42,475 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2025-01-24 00:14:42,475 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:42,475 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2025-01-24 00:14:42,475 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:42,475 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2025-01-24 00:14:42,475 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:42,475 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 31 [2025-01-24 00:14:42,475 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:42,475 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2025-01-24 00:14:42,475 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:42,475 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2025-01-24 00:14:42,475 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:42,475 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 41 [2025-01-24 00:14:42,475 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:42,475 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 49 [2025-01-24 00:14:42,475 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:42,475 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 50 [2025-01-24 00:14:42,475 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:42,475 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2025-01-24 00:14:42,475 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:42,475 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 59 [2025-01-24 00:14:42,475 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:42,475 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 60 [2025-01-24 00:14:42,475 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:42,475 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 61 [2025-01-24 00:14:42,475 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:42,475 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 69 [2025-01-24 00:14:42,475 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:42,475 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 70 [2025-01-24 00:14:42,475 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:42,475 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 71 [2025-01-24 00:14:42,475 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:42,475 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 79 [2025-01-24 00:14:42,475 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:42,475 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 80 [2025-01-24 00:14:42,475 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:42,475 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 81 [2025-01-24 00:14:42,475 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:42,475 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 89 [2025-01-24 00:14:42,475 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:42,475 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 90 [2025-01-24 00:14:42,475 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:42,475 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 91 [2025-01-24 00:14:42,475 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:42,475 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 99 [2025-01-24 00:14:42,475 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:42,475 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 100 [2025-01-24 00:14:42,475 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:42,476 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 101 [2025-01-24 00:14:42,476 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:42,476 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 109 [2025-01-24 00:14:42,476 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:42,476 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 110 [2025-01-24 00:14:42,476 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:42,476 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 111 [2025-01-24 00:14:42,476 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:42,476 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 119 [2025-01-24 00:14:42,476 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:42,476 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 120 [2025-01-24 00:14:42,476 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:42,476 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 121 [2025-01-24 00:14:42,476 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:42,476 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 129 [2025-01-24 00:14:42,476 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:42,476 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 130 [2025-01-24 00:14:42,476 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:42,476 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 131 [2025-01-24 00:14:42,476 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:42,476 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 139 [2025-01-24 00:14:42,476 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:42,476 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 140 [2025-01-24 00:14:42,476 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:42,476 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 141 [2025-01-24 00:14:42,476 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:42,476 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 149 [2025-01-24 00:14:42,476 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:42,476 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 150 [2025-01-24 00:14:42,476 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:42,476 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 151 [2025-01-24 00:14:42,476 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:42,476 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 159 [2025-01-24 00:14:42,476 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:42,476 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 160 [2025-01-24 00:14:42,476 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:42,476 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 161 [2025-01-24 00:14:42,476 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:42,476 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 169 [2025-01-24 00:14:42,476 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:42,476 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 170 [2025-01-24 00:14:42,476 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:42,476 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 171 [2025-01-24 00:14:42,476 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:42,476 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 179 [2025-01-24 00:14:42,476 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:42,476 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 180 [2025-01-24 00:14:42,476 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:42,476 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 181 [2025-01-24 00:14:42,476 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:42,476 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 189 [2025-01-24 00:14:42,476 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:42,477 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 190 [2025-01-24 00:14:42,477 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:42,477 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 191 [2025-01-24 00:14:42,477 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:42,477 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 195 [2025-01-24 00:14:42,477 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:42,477 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 196 [2025-01-24 00:14:42,477 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:42,477 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 197 [2025-01-24 00:14:42,477 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:42,477 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 199 [2025-01-24 00:14:42,477 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:14:42,477 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 200 [2025-01-24 00:14:42,477 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 00:14:42,477 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 00:14:42,477 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 00:14:42,477 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 00:14:42,477 INFO L85 PathProgramCache]: Analyzing trace with hash -1683294713, now seen corresponding path program 8 times [2025-01-24 00:14:42,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 00:14:42,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156536800] [2025-01-24 00:14:42,477 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-24 00:14:42,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 00:14:42,510 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 205 statements into 2 equivalence classes. [2025-01-24 00:14:42,521 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 205 of 205 statements. [2025-01-24 00:14:42,521 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-24 00:14:42,521 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 00:14:42,967 INFO L134 CoverageAnalysis]: Checked inductivity of 1730 backedges. 0 proven. 1729 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-24 00:14:42,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 00:14:42,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156536800] [2025-01-24 00:14:42,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [156536800] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 00:14:42,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [662630768] [2025-01-24 00:14:42,967 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-24 00:14:42,967 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 00:14:42,968 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 00:14:42,969 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) [2025-01-24 00:14:42,971 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 [2025-01-24 00:14:43,083 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 205 statements into 2 equivalence classes. [2025-01-24 00:14:43,140 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 205 of 205 statements. [2025-01-24 00:14:43,140 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-24 00:14:43,140 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 00:14:43,143 INFO L256 TraceCheckSpWp]: Trace formula consists of 857 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-01-24 00:14:43,145 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 00:14:43,307 INFO L134 CoverageAnalysis]: Checked inductivity of 1730 backedges. 0 proven. 1729 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-24 00:14:43,307 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 00:14:43,596 INFO L134 CoverageAnalysis]: Checked inductivity of 1730 backedges. 0 proven. 1729 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-24 00:14:43,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [662630768] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 00:14:43,596 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 00:14:43,597 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22, 22] total 23 [2025-01-24 00:14:43,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235919654] [2025-01-24 00:14:43,597 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 00:14:43,597 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2025-01-24 00:14:43,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 00:14:43,599 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2025-01-24 00:14:43,599 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=253, Invalid=253, Unknown=0, NotChecked=0, Total=506 [2025-01-24 00:14:43,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 00:14:43,599 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 00:14:43,599 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 9.217391304347826) internal successors, (212), 23 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) [2025-01-24 00:14:43,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 00:14:43,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-24 00:14:43,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-01-24 00:14:43,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-01-24 00:14:43,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-01-24 00:14:43,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-01-24 00:14:43,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2025-01-24 00:14:43,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-01-24 00:14:43,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 00:14:46,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 00:14:46,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-24 00:14:46,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2025-01-24 00:14:46,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-24 00:14:46,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-01-24 00:14:46,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-01-24 00:14:46,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2025-01-24 00:14:46,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-01-24 00:14:46,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-01-24 00:14:46,676 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2025-01-24 00:14:46,677 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2025-01-24 00:14:46,683 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2025-01-24 00:14:46,877 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 00:14:46,881 INFO L422 BasicCegarLoop]: Path program histogram: [8, 1] [2025-01-24 00:14:46,882 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-01-24 00:14:46,882 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-24 00:14:46,889 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2025-01-24 00:14:46,889 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.01 12:14:46 BasicIcfg [2025-01-24 00:14:46,889 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-24 00:14:46,890 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-24 00:14:46,890 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-24 00:14:46,890 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-24 00:14:46,890 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.01 12:14:30" (3/4) ... [2025-01-24 00:14:46,891 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-01-24 00:14:46,893 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure thread_function_mutex [2025-01-24 00:14:46,895 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 44 nodes and edges [2025-01-24 00:14:46,895 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2025-01-24 00:14:46,895 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2025-01-24 00:14:46,895 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2025-01-24 00:14:46,961 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/witness.graphml [2025-01-24 00:14:46,962 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/witness.yml [2025-01-24 00:14:46,962 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-24 00:14:46,964 INFO L158 Benchmark]: Toolchain (without parser) took 17136.50ms. Allocated memory was 117.4MB in the beginning and 419.4MB in the end (delta: 302.0MB). Free memory was 90.2MB in the beginning and 365.8MB in the end (delta: -275.6MB). Peak memory consumption was 202.4MB. Max. memory is 16.1GB. [2025-01-24 00:14:46,964 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 83.9MB. Free memory was 61.0MB in the beginning and 61.0MB in the end (delta: 33.6kB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-24 00:14:46,965 INFO L158 Benchmark]: CACSL2BoogieTranslator took 485.39ms. Allocated memory is still 117.4MB. Free memory was 89.9MB in the beginning and 50.6MB in the end (delta: 39.3MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2025-01-24 00:14:46,965 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.10ms. Allocated memory is still 117.4MB. Free memory was 50.4MB in the beginning and 48.5MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-24 00:14:46,965 INFO L158 Benchmark]: Boogie Preprocessor took 14.07ms. Allocated memory is still 117.4MB. Free memory was 48.5MB in the beginning and 47.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-24 00:14:46,965 INFO L158 Benchmark]: RCFGBuilder took 321.21ms. Allocated memory is still 117.4MB. Free memory was 47.3MB in the beginning and 80.0MB in the end (delta: -32.7MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. [2025-01-24 00:14:46,966 INFO L158 Benchmark]: TraceAbstraction took 16209.74ms. Allocated memory was 117.4MB in the beginning and 327.2MB in the end (delta: 209.7MB). Free memory was 79.3MB in the beginning and 104.7MB in the end (delta: -25.5MB). Peak memory consumption was 178.9MB. Max. memory is 16.1GB. [2025-01-24 00:14:46,966 INFO L158 Benchmark]: Witness Printer took 72.09ms. Allocated memory was 327.2MB in the beginning and 419.4MB in the end (delta: 92.3MB). Free memory was 104.7MB in the beginning and 365.8MB in the end (delta: -261.1MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. [2025-01-24 00:14:46,967 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 83.9MB. Free memory was 61.0MB in the beginning and 61.0MB in the end (delta: 33.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 485.39ms. Allocated memory is still 117.4MB. Free memory was 89.9MB in the beginning and 50.6MB in the end (delta: 39.3MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.10ms. Allocated memory is still 117.4MB. Free memory was 50.4MB in the beginning and 48.5MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 14.07ms. Allocated memory is still 117.4MB. Free memory was 48.5MB in the beginning and 47.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 321.21ms. Allocated memory is still 117.4MB. Free memory was 47.3MB in the beginning and 80.0MB in the end (delta: -32.7MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. * TraceAbstraction took 16209.74ms. Allocated memory was 117.4MB in the beginning and 327.2MB in the end (delta: 209.7MB). Free memory was 79.3MB in the beginning and 104.7MB in the end (delta: -25.5MB). Peak memory consumption was 178.9MB. Max. memory is 16.1GB. * Witness Printer took 72.09ms. Allocated memory was 327.2MB in the beginning and 419.4MB in the end (delta: 92.3MB). Free memory was 104.7MB in the beginning and 365.8MB in the end (delta: -261.1MB). Peak memory consumption was 10.0MB. 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: 32304, independent: 25502, independent conditional: 25377, independent unconditional: 125, dependent: 6802, dependent conditional: 6796, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 27757, independent: 25502, independent conditional: 25377, independent unconditional: 125, dependent: 2255, dependent conditional: 2249, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 27757, independent: 25502, independent conditional: 25377, independent unconditional: 125, dependent: 2255, dependent conditional: 2249, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 45806, independent: 25502, independent conditional: 25377, independent unconditional: 125, dependent: 20304, dependent conditional: 20298, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 45806, independent: 25502, independent conditional: 0, independent unconditional: 25502, dependent: 20304, dependent conditional: 762, dependent unconditional: 19542, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 45806, independent: 25502, independent conditional: 0, independent unconditional: 25502, dependent: 20304, dependent conditional: 762, dependent unconditional: 19542, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 183, independent: 100, independent conditional: 0, independent unconditional: 100, 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: 183, independent: 95, independent conditional: 0, independent unconditional: 95, 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: 387, independent: 41, independent conditional: 0, independent unconditional: 41, dependent: 346, dependent conditional: 274, dependent unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 45806, independent: 25402, independent conditional: 0, independent unconditional: 25402, dependent: 20221, dependent conditional: 685, dependent unconditional: 19536, unknown: 183, unknown conditional: 77, unknown unconditional: 106] , Statistics on independence cache: Total cache size (in pairs): 183, Positive cache size: 100, Positive conditional cache size: 0, Positive unconditional cache size: 100, 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: 44913, Maximal queried relation: 9, Independence queries for same thread: 4547, Persistent sets #1 benchmarks: Persistent set computation time: 0.1s, Number of persistent set computation: 80, Number of trivial persistent sets: 74, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 131, independent: 125, independent conditional: 0, independent unconditional: 125, 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: 32304, independent: 25502, independent conditional: 25377, independent unconditional: 125, dependent: 6802, dependent conditional: 6796, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 27757, independent: 25502, independent conditional: 25377, independent unconditional: 125, dependent: 2255, dependent conditional: 2249, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 27757, independent: 25502, independent conditional: 25377, independent unconditional: 125, dependent: 2255, dependent conditional: 2249, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 45806, independent: 25502, independent conditional: 25377, independent unconditional: 125, dependent: 20304, dependent conditional: 20298, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 45806, independent: 25502, independent conditional: 0, independent unconditional: 25502, dependent: 20304, dependent conditional: 762, dependent unconditional: 19542, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 45806, independent: 25502, independent conditional: 0, independent unconditional: 25502, dependent: 20304, dependent conditional: 762, dependent unconditional: 19542, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 183, independent: 100, independent conditional: 0, independent unconditional: 100, 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: 183, independent: 95, independent conditional: 0, independent unconditional: 95, 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: 387, independent: 41, independent conditional: 0, independent unconditional: 41, dependent: 346, dependent conditional: 274, dependent unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 45806, independent: 25402, independent conditional: 0, independent unconditional: 25402, dependent: 20221, dependent conditional: 685, dependent unconditional: 19536, unknown: 183, unknown conditional: 77, unknown unconditional: 106] , Statistics on independence cache: Total cache size (in pairs): 183, Positive cache size: 100, Positive conditional cache size: 0, Positive unconditional cache size: 100, 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: 44913, Maximal queried relation: 9, Independence queries for same thread: 4547 - 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: 16.1s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 8, EmptinessCheckTime: 6.7s, 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: 236, 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: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 6.2s InterpolantComputationTime, 2110 NumberOfCodeBlocks, 2100 NumberOfCodeBlocksAsserted, 92 NumberOfCheckSat, 2813 ConstructedInterpolants, 0 QuantifiedInterpolants, 7911 SizeOfPredicates, 22 NumberOfNonLiveVariables, 4013 ConjunctsInSsa, 202 ConjunctsInUnsatCore, 22 InterpolantComputations, 3 PerfectInterpolantSequences, 5917/19911 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]: 14, ConditionCalculationTime [ms]: 0, ConditionCalculations: 169, QuantifiedConditions: 0, TraceChecks: 0, UnknownTraceChecks: 0, UnsatisfiedConditions: 0, ImperfectProofs: 0 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-01-24 00:14:46,980 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE