./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-C-DAC/pthread-demo-datarace-1.i --full-output --traceabstraction.commutativity.condition.synthesis NECESSARY_AND_SUFFICIENT -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1c4755c5 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.commutativity.condition.synthesis NECESSARY_AND_SUFFICIENT -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --- Real Ultimate output --- This is Ultimate 0.3.0-dev-1c4755c-m [2024-12-17 19:10:49,831 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-17 19:10:49,879 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-12-17 19:10:49,883 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-17 19:10:49,884 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-17 19:10:49,903 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-17 19:10:49,904 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-17 19:10:49,904 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-17 19:10:49,904 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-17 19:10:49,904 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-17 19:10:49,905 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-17 19:10:49,905 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-17 19:10:49,905 INFO L153 SettingsManager]: * Use SBE=true [2024-12-17 19:10:49,905 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-17 19:10:49,905 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-17 19:10:49,906 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-17 19:10:49,906 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-17 19:10:49,906 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-17 19:10:49,906 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-17 19:10:49,906 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-17 19:10:49,906 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-17 19:10:49,906 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-17 19:10:49,907 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-17 19:10:49,907 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-17 19:10:49,907 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-17 19:10:49,907 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-17 19:10:49,907 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-17 19:10:49,907 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-17 19:10:49,907 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-17 19:10:49,907 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-17 19:10:49,907 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-12-17 19:10:49,907 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-17 19:10:49,907 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-17 19:10:49,907 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-17 19:10:49,907 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2024-12-17 19:10:49,907 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-17 19:10:49,907 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-17 19:10:49,907 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-12-17 19:10:49,907 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-17 19:10:49,907 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-17 19:10:49,908 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-12-17 19:10:49,908 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-12-17 19:10:49,908 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-12-17 19:10:49,908 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: Commutativity condition synthesis -> NECESSARY_AND_SUFFICIENT [2024-12-17 19:10:50,102 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-17 19:10:50,107 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-17 19:10:50,109 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-17 19:10:50,110 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-17 19:10:50,110 INFO L274 PluginConnector]: CDTParser initialized [2024-12-17 19:10:50,112 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-C-DAC/pthread-demo-datarace-1.i [2024-12-17 19:10:51,225 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/7a7007097/7a6a3c8c1f3a4215a52d2b76404693ef/FLAGec8b1a06e [2024-12-17 19:10:51,485 INFO L384 CDTParser]: Found 1 translation units. [2024-12-17 19:10:51,486 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/trunk/examples/svcomp/pthread-C-DAC/pthread-demo-datarace-1.i [2024-12-17 19:10:51,498 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/7a7007097/7a6a3c8c1f3a4215a52d2b76404693ef/FLAGec8b1a06e [2024-12-17 19:10:51,790 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/7a7007097/7a6a3c8c1f3a4215a52d2b76404693ef [2024-12-17 19:10:51,792 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-17 19:10:51,793 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-17 19:10:51,794 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-17 19:10:51,794 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-17 19:10:51,796 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-17 19:10:51,797 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 07:10:51" (1/1) ... [2024-12-17 19:10:51,797 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ffa007a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:10:51, skipping insertion in model container [2024-12-17 19:10:51,797 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 07:10:51" (1/1) ... [2024-12-17 19:10:51,826 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-17 19:10:51,926 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] [2024-12-17 19:10:52,090 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-17 19:10:52,103 INFO L200 MainTranslator]: Completed pre-run [2024-12-17 19:10:52,114 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] [2024-12-17 19:10:52,145 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-17 19:10:52,205 INFO L204 MainTranslator]: Completed translation [2024-12-17 19:10:52,206 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:10:52 WrapperNode [2024-12-17 19:10:52,207 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-17 19:10:52,208 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-17 19:10:52,208 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-17 19:10:52,208 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-17 19:10:52,212 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:10:52" (1/1) ... [2024-12-17 19:10:52,224 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:10:52" (1/1) ... [2024-12-17 19:10:52,244 INFO L138 Inliner]: procedures = 364, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 60 [2024-12-17 19:10:52,244 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-17 19:10:52,245 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-17 19:10:52,246 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-17 19:10:52,246 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-17 19:10:52,250 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:10:52" (1/1) ... [2024-12-17 19:10:52,250 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:10:52" (1/1) ... [2024-12-17 19:10:52,251 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:10:52" (1/1) ... [2024-12-17 19:10:52,253 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:10:52" (1/1) ... [2024-12-17 19:10:52,257 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:10:52" (1/1) ... [2024-12-17 19:10:52,261 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:10:52" (1/1) ... [2024-12-17 19:10:52,267 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:10:52" (1/1) ... [2024-12-17 19:10:52,268 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:10:52" (1/1) ... [2024-12-17 19:10:52,268 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:10:52" (1/1) ... [2024-12-17 19:10:52,272 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-17 19:10:52,272 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-17 19:10:52,273 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-17 19:10:52,273 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-17 19:10:52,276 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:10:52" (1/1) ... [2024-12-17 19:10:52,280 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-12-17 19:10:52,289 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 19:10:52,300 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-12-17 19:10:52,303 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-12-17 19:10:52,320 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-12-17 19:10:52,320 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-12-17 19:10:52,320 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-17 19:10:52,320 INFO L130 BoogieDeclarations]: Found specification of procedure thread_function_mutex [2024-12-17 19:10:52,320 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_function_mutex [2024-12-17 19:10:52,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-17 19:10:52,320 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-17 19:10:52,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-17 19:10:52,321 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-12-17 19:10:52,439 INFO L234 CfgBuilder]: Building ICFG [2024-12-17 19:10:52,441 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-17 19:10:52,540 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-17 19:10:52,540 INFO L283 CfgBuilder]: Performing block encoding [2024-12-17 19:10:52,613 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-17 19:10:52,613 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-17 19:10:52,614 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 07:10:52 BoogieIcfgContainer [2024-12-17 19:10:52,614 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-17 19:10:52,615 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-17 19:10:52,615 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-17 19:10:52,619 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-17 19:10:52,619 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.12 07:10:51" (1/3) ... [2024-12-17 19:10:52,620 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15bca1a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 07:10:52, skipping insertion in model container [2024-12-17 19:10:52,620 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:10:52" (2/3) ... [2024-12-17 19:10:52,620 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15bca1a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 07:10:52, skipping insertion in model container [2024-12-17 19:10:52,621 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 07:10:52" (3/3) ... [2024-12-17 19:10:52,622 INFO L128 eAbstractionObserver]: Analyzing ICFG pthread-demo-datarace-1.i [2024-12-17 19:10:52,632 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-17 19:10:52,633 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG pthread-demo-datarace-1.i that has 2 procedures, 22 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2024-12-17 19:10:52,633 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-12-17 19:10:52,660 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-12-17 19:10:52,700 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-17 19:10:52,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-12-17 19:10:52,701 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 19:10:52,702 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-12-17 19:10:52,703 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-12-17 19:10:52,762 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-12-17 19:10:52,772 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-12-17 19:10:52,777 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;@689711d6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-17 19:10:52,777 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-12-17 19:10:52,855 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 19:10:52,855 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 19:10:52,856 INFO L139 ounterexampleChecker]: Examining path program with hash -1002364952, occurence #1 [2024-12-17 19:10:52,856 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 19:10:52,857 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 19:10:52,860 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 19:10:52,861 INFO L85 PathProgramCache]: Analyzing trace with hash -543277899, now seen corresponding path program 1 times [2024-12-17 19:10:52,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 19:10:52,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256474113] [2024-12-17 19:10:52,866 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 19:10:52,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 19:10:52,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 19:10:53,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 19:10:53,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 19:10:53,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256474113] [2024-12-17 19:10:53,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1256474113] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 19:10:53,047 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 19:10:53,047 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-17 19:10:53,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629887712] [2024-12-17 19:10:53,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 19:10:53,052 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-17 19:10:53,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 19:10:53,062 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-17 19:10:53,063 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-17 19:10:53,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 19:10:53,064 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 19:10:53,064 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 19:10:53,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 19:10:53,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 19:10:53,152 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-17 19:10:53,152 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 19:10:53,152 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 19:10:53,153 INFO L139 ounterexampleChecker]: Examining path program with hash -1452009296, occurence #1 [2024-12-17 19:10:53,153 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 19:10:53,153 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 19:10:53,153 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 19:10:53,153 INFO L85 PathProgramCache]: Analyzing trace with hash -167581484, now seen corresponding path program 1 times [2024-12-17 19:10:53,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 19:10:53,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406081396] [2024-12-17 19:10:53,153 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 19:10:53,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 19:10:53,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 19:10:53,264 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 19:10:53,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 19:10:53,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [406081396] [2024-12-17 19:10:53,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [406081396] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 19:10:53,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [774793362] [2024-12-17 19:10:53,265 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 19:10:53,265 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 19:10:53,265 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 19:10:53,267 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 19:10:53,269 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-17 19:10:53,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 19:10:53,357 INFO L256 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-17 19:10:53,362 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 19:10:53,399 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 19:10:53,400 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 19:10:53,439 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 19:10:53,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [774793362] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 19:10:53,440 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 19:10:53,440 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-12-17 19:10:53,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629741992] [2024-12-17 19:10:53,440 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 19:10:53,441 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-17 19:10:53,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 19:10:53,442 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-17 19:10:53,442 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-12-17 19:10:53,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 19:10:53,443 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 19:10:53,444 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 19:10:53,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 19:10:53,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 19:10:53,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 19:10:53,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 19:10:53,537 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-12-17 19:10:53,734 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 19:10:53,735 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 19:10:53,735 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 19:10:53,735 INFO L139 ounterexampleChecker]: Examining path program with hash -1452009296, occurence #2 [2024-12-17 19:10:53,735 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 19:10:53,736 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2024-12-17 19:10:53,749 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 19:10:53,749 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2024-12-17 19:10:53,749 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:10:53,749 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2024-12-17 19:10:53,749 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:10:53,749 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-12-17 19:10:53,750 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:10:53,750 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2024-12-17 19:10:53,750 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:10:53,750 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2024-12-17 19:10:53,750 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:10:53,750 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2024-12-17 19:10:53,750 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:10:53,750 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2024-12-17 19:10:53,750 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:10:53,750 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2024-12-17 19:10:53,750 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:10:53,751 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 31 [2024-12-17 19:10:53,751 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:10:53,751 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2024-12-17 19:10:53,751 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:10:53,751 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2024-12-17 19:10:53,751 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:10:53,751 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 41 [2024-12-17 19:10:53,751 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:10:53,751 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2024-12-17 19:10:53,752 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 19:10:53,752 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 19:10:53,752 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 19:10:53,752 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 19:10:53,752 INFO L85 PathProgramCache]: Analyzing trace with hash 355372209, now seen corresponding path program 2 times [2024-12-17 19:10:53,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 19:10:53,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893801926] [2024-12-17 19:10:53,752 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-17 19:10:53,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 19:10:53,797 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-17 19:10:53,797 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 19:10:53,977 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 19:10:53,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 19:10:53,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1893801926] [2024-12-17 19:10:53,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1893801926] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 19:10:53,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1252250169] [2024-12-17 19:10:53,978 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-17 19:10:53,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 19:10:53,978 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 19:10:53,980 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 19:10:53,981 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-17 19:10:54,055 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-17 19:10:54,055 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 19:10:54,056 INFO L256 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-17 19:10:54,057 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 19:10:54,157 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 19:10:54,158 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 19:10:54,274 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 19:10:54,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1252250169] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 19:10:54,274 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 19:10:54,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 8] total 19 [2024-12-17 19:10:54,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012988676] [2024-12-17 19:10:54,274 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 19:10:54,274 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-12-17 19:10:54,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 19:10:54,275 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-12-17 19:10:54,275 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=231, Unknown=0, NotChecked=0, Total=342 [2024-12-17 19:10:54,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 19:10:54,275 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 19:10:54,275 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.052631578947368) internal successors, (153), 19 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 19:10:54,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 19:10:54,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 19:10:54,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 19:10:54,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 19:10:54,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 19:10:54,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-17 19:10:54,516 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-12-17 19:10:54,710 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 19:10:54,711 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 19:10:54,711 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 19:10:54,711 INFO L139 ounterexampleChecker]: Examining path program with hash -1342360272, occurence #1 [2024-12-17 19:10:54,711 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 19:10:54,711 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 19:10:54,711 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 19:10:54,711 INFO L85 PathProgramCache]: Analyzing trace with hash 1729369584, now seen corresponding path program 3 times [2024-12-17 19:10:54,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 19:10:54,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406675371] [2024-12-17 19:10:54,711 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-17 19:10:54,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 19:10:54,747 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-12-17 19:10:54,747 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 19:10:54,937 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 0 proven. 130 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2024-12-17 19:10:54,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 19:10:54,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1406675371] [2024-12-17 19:10:54,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1406675371] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 19:10:54,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [780962680] [2024-12-17 19:10:54,938 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-17 19:10:54,938 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 19:10:54,938 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 19:10:54,940 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 19:10:54,940 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-12-17 19:10:55,067 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-12-17 19:10:55,067 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 19:10:55,068 INFO L256 TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-17 19:10:55,070 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 19:10:55,128 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 0 proven. 130 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2024-12-17 19:10:55,128 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 19:10:55,231 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 0 proven. 130 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2024-12-17 19:10:55,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [780962680] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 19:10:55,232 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 19:10:55,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 15 [2024-12-17 19:10:55,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872699947] [2024-12-17 19:10:55,232 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 19:10:55,232 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-12-17 19:10:55,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 19:10:55,233 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-12-17 19:10:55,233 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=105, Unknown=0, NotChecked=0, Total=210 [2024-12-17 19:10:55,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 19:10:55,233 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 19:10:55,233 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) [2024-12-17 19:10:55,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 19:10:55,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 19:10:55,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-12-17 19:10:55,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 19:10:55,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 19:10:55,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 19:10:55,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-17 19:10:55,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-17 19:10:55,419 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-12-17 19:10:55,613 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 19:10:55,613 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 19:10:55,613 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 19:10:55,614 INFO L139 ounterexampleChecker]: Examining path program with hash -1452009296, occurence #3 [2024-12-17 19:10:55,614 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 19:10:55,614 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2024-12-17 19:10:55,614 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 19:10:55,614 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2024-12-17 19:10:55,614 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:10:55,614 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2024-12-17 19:10:55,614 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:10:55,614 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-12-17 19:10:55,614 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:10:55,614 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2024-12-17 19:10:55,614 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:10:55,614 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2024-12-17 19:10:55,614 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:10:55,614 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2024-12-17 19:10:55,614 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:10:55,614 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2024-12-17 19:10:55,614 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:10:55,614 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2024-12-17 19:10:55,614 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:10:55,614 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 31 [2024-12-17 19:10:55,614 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:10:55,614 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2024-12-17 19:10:55,614 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:10:55,614 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2024-12-17 19:10:55,614 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:10:55,614 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 41 [2024-12-17 19:10:55,614 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:10:55,614 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 49 [2024-12-17 19:10:55,614 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:10:55,614 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 50 [2024-12-17 19:10:55,615 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:10:55,615 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2024-12-17 19:10:55,615 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:10:55,615 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 59 [2024-12-17 19:10:55,615 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:10:55,615 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 60 [2024-12-17 19:10:55,615 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:10:55,615 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 61 [2024-12-17 19:10:55,615 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:10:55,615 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 69 [2024-12-17 19:10:55,615 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:10:55,615 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 70 [2024-12-17 19:10:55,615 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:10:55,615 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 71 [2024-12-17 19:10:55,615 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:10:55,615 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 79 [2024-12-17 19:10:55,615 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:10:55,615 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 80 [2024-12-17 19:10:55,615 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:10:55,615 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 81 [2024-12-17 19:10:55,615 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:10:55,615 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 89 [2024-12-17 19:10:55,615 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:10:55,615 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 90 [2024-12-17 19:10:55,615 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:10:55,615 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 91 [2024-12-17 19:10:55,615 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:10:55,615 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 99 [2024-12-17 19:10:55,615 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:10:55,615 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 100 [2024-12-17 19:10:55,615 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:10:55,615 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 101 [2024-12-17 19:10:55,615 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:10:55,616 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 109 [2024-12-17 19:10:55,616 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:10:55,616 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 110 [2024-12-17 19:10:55,616 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:10:55,616 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 111 [2024-12-17 19:10:55,616 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:10:55,616 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 119 [2024-12-17 19:10:55,617 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:10:55,617 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 120 [2024-12-17 19:10:55,617 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:10:55,617 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 121 [2024-12-17 19:10:55,617 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:10:55,617 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 131 [2024-12-17 19:10:55,617 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 19:10:55,617 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 19:10:55,617 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 19:10:55,617 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 19:10:55,617 INFO L85 PathProgramCache]: Analyzing trace with hash 1413032105, now seen corresponding path program 4 times [2024-12-17 19:10:55,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 19:10:55,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144537909] [2024-12-17 19:10:55,617 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-17 19:10:55,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 19:10:55,678 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-17 19:10:55,678 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 19:10:56,057 INFO L134 CoverageAnalysis]: Checked inductivity of 732 backedges. 0 proven. 732 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 19:10:56,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 19:10:56,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2144537909] [2024-12-17 19:10:56,058 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2144537909] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 19:10:56,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [712231511] [2024-12-17 19:10:56,058 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-17 19:10:56,058 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 19:10:56,058 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 19:10:56,060 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 19:10:56,061 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-12-17 19:10:56,225 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-17 19:10:56,225 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 19:10:56,227 INFO L256 TraceCheckSpWp]: Trace formula consists of 579 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-17 19:10:56,232 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 19:10:56,377 INFO L134 CoverageAnalysis]: Checked inductivity of 732 backedges. 0 proven. 732 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 19:10:56,377 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 19:10:56,663 INFO L134 CoverageAnalysis]: Checked inductivity of 732 backedges. 0 proven. 732 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 19:10:56,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [712231511] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 19:10:56,663 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 19:10:56,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 22 [2024-12-17 19:10:56,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849179637] [2024-12-17 19:10:56,663 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 19:10:56,664 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-12-17 19:10:56,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 19:10:56,666 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-12-17 19:10:56,666 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=231, Invalid=231, Unknown=0, NotChecked=0, Total=462 [2024-12-17 19:10:56,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 19:10:56,666 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 19:10:56,667 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) [2024-12-17 19:10:56,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 19:10:56,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 19:10:56,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-12-17 19:10:56,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-12-17 19:10:56,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 19:10:56,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 19:10:56,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 19:10:56,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-17 19:10:56,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-17 19:10:56,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-12-17 19:10:56,898 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-12-17 19:10:57,095 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 19:10:57,096 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 19:10:57,096 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 19:10:57,096 INFO L139 ounterexampleChecker]: Examining path program with hash -1452009296, occurence #4 [2024-12-17 19:10:57,096 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 19:10:57,096 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2024-12-17 19:10:57,096 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 19:10:57,096 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2024-12-17 19:10:57,096 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:10:57,096 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2024-12-17 19:10:57,096 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:10:57,096 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-12-17 19:10:57,096 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:10:57,096 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2024-12-17 19:10:57,096 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:10:57,096 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2024-12-17 19:10:57,096 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:10:57,097 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2024-12-17 19:10:57,097 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:10:57,097 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2024-12-17 19:10:57,097 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:10:57,097 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2024-12-17 19:10:57,097 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:10:57,097 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 31 [2024-12-17 19:10:57,097 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:10:57,097 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2024-12-17 19:10:57,097 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:10:57,097 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2024-12-17 19:10:57,097 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:10:57,097 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 41 [2024-12-17 19:10:57,097 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:10:57,097 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 49 [2024-12-17 19:10:57,097 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:10:57,097 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 50 [2024-12-17 19:10:57,097 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:10:57,097 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2024-12-17 19:10:57,097 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:10:57,097 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 59 [2024-12-17 19:10:57,097 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:10:57,097 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 60 [2024-12-17 19:10:57,097 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:10:57,097 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 61 [2024-12-17 19:10:57,097 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:10:57,097 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 69 [2024-12-17 19:10:57,097 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:10:57,097 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 70 [2024-12-17 19:10:57,097 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:10:57,097 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 71 [2024-12-17 19:10:57,097 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:10:57,098 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 79 [2024-12-17 19:10:57,098 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:10:57,098 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 80 [2024-12-17 19:10:57,098 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:10:57,098 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 81 [2024-12-17 19:10:57,098 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:10:57,098 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 89 [2024-12-17 19:10:57,098 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:10:57,098 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 90 [2024-12-17 19:10:57,098 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:10:57,098 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 91 [2024-12-17 19:10:57,098 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:10:57,098 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 99 [2024-12-17 19:10:57,098 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:10:57,098 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 100 [2024-12-17 19:10:57,098 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:10:57,098 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 101 [2024-12-17 19:10:57,098 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:10:57,098 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 109 [2024-12-17 19:10:57,098 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:10:57,098 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 110 [2024-12-17 19:10:57,098 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:10:57,098 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 111 [2024-12-17 19:10:57,098 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:10:57,098 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 119 [2024-12-17 19:10:57,098 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:10:57,098 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 120 [2024-12-17 19:10:57,098 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:10:57,098 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 121 [2024-12-17 19:10:57,098 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:10:57,098 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 129 [2024-12-17 19:10:57,098 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:10:57,098 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 130 [2024-12-17 19:10:57,099 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:10:57,099 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 131 [2024-12-17 19:10:57,099 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:10:57,099 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 139 [2024-12-17 19:10:57,101 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:10:57,101 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 140 [2024-12-17 19:10:57,101 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:10:57,101 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 141 [2024-12-17 19:10:57,101 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:10:57,102 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 149 [2024-12-17 19:10:57,102 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:10:57,102 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 150 [2024-12-17 19:10:57,102 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:10:57,102 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 151 [2024-12-17 19:10:57,102 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:10:57,102 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 159 [2024-12-17 19:10:57,102 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:10:57,102 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 160 [2024-12-17 19:10:57,102 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:10:57,102 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 161 [2024-12-17 19:10:57,102 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:10:57,102 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 169 [2024-12-17 19:10:57,102 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:10:57,103 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 170 [2024-12-17 19:10:57,103 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:10:57,103 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 171 [2024-12-17 19:10:57,103 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:10:57,103 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 179 [2024-12-17 19:10:57,103 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:10:57,103 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 180 [2024-12-17 19:10:57,103 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:10:57,103 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 181 [2024-12-17 19:10:57,104 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:10:57,104 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 189 [2024-12-17 19:10:57,104 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:10:57,104 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 190 [2024-12-17 19:10:57,104 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:10:57,104 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 191 [2024-12-17 19:10:57,104 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:10:57,104 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 199 [2024-12-17 19:10:57,104 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:10:57,104 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 200 [2024-12-17 19:10:57,104 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:10:57,105 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 201 [2024-12-17 19:10:57,105 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:10:57,105 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 211 [2024-12-17 19:10:57,105 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 19:10:57,105 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 19:10:57,105 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 19:10:57,105 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 19:10:57,105 INFO L85 PathProgramCache]: Analyzing trace with hash -606006111, now seen corresponding path program 5 times [2024-12-17 19:10:57,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 19:10:57,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242724832] [2024-12-17 19:10:57,106 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-17 19:10:57,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 19:10:57,217 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 21 check-sat command(s) [2024-12-17 19:10:57,217 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 19:10:57,826 INFO L134 CoverageAnalysis]: Checked inductivity of 2020 backedges. 2020 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 19:10:57,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 19:10:57,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242724832] [2024-12-17 19:10:57,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [242724832] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 19:10:57,826 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 19:10:57,826 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2024-12-17 19:10:57,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045616220] [2024-12-17 19:10:57,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 19:10:57,826 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-12-17 19:10:57,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 19:10:57,827 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-12-17 19:10:57,827 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=253, Invalid=253, Unknown=0, NotChecked=0, Total=506 [2024-12-17 19:10:57,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 19:10:57,827 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 19:10:57,827 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 9.347826086956522) internal successors, (215), 23 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 19:10:57,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 19:10:57,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 19:10:57,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-12-17 19:10:57,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-12-17 19:10:57,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-12-17 19:10:57,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 19:10:58,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 19:10:58,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 19:10:58,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-17 19:10:58,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-17 19:10:58,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-12-17 19:10:58,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-12-17 19:10:58,213 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-17 19:10:58,213 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 19:10:58,214 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 19:10:58,214 INFO L139 ounterexampleChecker]: Examining path program with hash 1223453878, occurence #1 [2024-12-17 19:10:58,214 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 19:10:58,214 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 19:10:58,214 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 19:10:58,214 INFO L85 PathProgramCache]: Analyzing trace with hash -2007654064, now seen corresponding path program 6 times [2024-12-17 19:10:58,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 19:10:58,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397914263] [2024-12-17 19:10:58,214 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-17 19:10:58,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 19:10:58,296 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 21 check-sat command(s) [2024-12-17 19:10:58,296 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 19:11:00,056 INFO L134 CoverageAnalysis]: Checked inductivity of 1920 backedges. 0 proven. 1920 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 19:11:00,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 19:11:00,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [397914263] [2024-12-17 19:11:00,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [397914263] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 19:11:00,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1747252018] [2024-12-17 19:11:00,056 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-17 19:11:00,056 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 19:11:00,057 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 19:11:00,059 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 19:11:00,060 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-12-17 19:11:00,361 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 21 check-sat command(s) [2024-12-17 19:11:00,362 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 19:11:00,365 INFO L256 TraceCheckSpWp]: Trace formula consists of 878 conjuncts, 128 conjuncts are in the unsatisfiable core [2024-12-17 19:11:00,369 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 19:11:00,581 INFO L134 CoverageAnalysis]: Checked inductivity of 1920 backedges. 0 proven. 1920 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 19:11:00,581 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 19:11:00,773 INFO L134 CoverageAnalysis]: Checked inductivity of 1920 backedges. 0 proven. 1920 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 19:11:00,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1747252018] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 19:11:00,774 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 19:11:00,774 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 43, 43] total 44 [2024-12-17 19:11:00,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126382603] [2024-12-17 19:11:00,774 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 19:11:00,774 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2024-12-17 19:11:00,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 19:11:00,775 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2024-12-17 19:11:00,775 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=1892, Unknown=0, NotChecked=0, Total=1980 [2024-12-17 19:11:00,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 19:11:00,776 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 19:11:00,776 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 45 states have (on average 4.711111111111111) internal successors, (212), 44 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 19:11:00,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 19:11:00,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 19:11:00,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-12-17 19:11:00,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-12-17 19:11:00,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-12-17 19:11:00,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-12-17 19:11:00,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 19:11:02,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 19:11:02,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 19:11:02,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-17 19:11:02,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-17 19:11:02,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-12-17 19:11:02,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-12-17 19:11:02,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-12-17 19:11:02,962 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-12-17 19:11:03,155 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 [2024-12-17 19:11:03,156 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 19:11:03,156 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 19:11:03,156 INFO L139 ounterexampleChecker]: Examining path program with hash -1926416704, occurence #1 [2024-12-17 19:11:03,156 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 19:11:03,156 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 19:11:03,156 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 19:11:03,156 INFO L85 PathProgramCache]: Analyzing trace with hash -1347504666, now seen corresponding path program 7 times [2024-12-17 19:11:03,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 19:11:03,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021452620] [2024-12-17 19:11:03,157 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-12-17 19:11:03,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 19:11:03,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 19:11:03,673 INFO L134 CoverageAnalysis]: Checked inductivity of 1921 backedges. 1730 proven. 191 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 19:11:03,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 19:11:03,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1021452620] [2024-12-17 19:11:03,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1021452620] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 19:11:03,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [756550707] [2024-12-17 19:11:03,674 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-12-17 19:11:03,674 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 19:11:03,674 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 19:11:03,676 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 19:11:03,677 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-12-17 19:11:03,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 19:11:03,842 INFO L256 TraceCheckSpWp]: Trace formula consists of 897 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-17 19:11:03,845 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 19:11:04,018 INFO L134 CoverageAnalysis]: Checked inductivity of 1921 backedges. 1921 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 19:11:04,018 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-17 19:11:04,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [756550707] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 19:11:04,019 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-17 19:11:04,019 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [23] total 24 [2024-12-17 19:11:04,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299780972] [2024-12-17 19:11:04,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 19:11:04,019 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-12-17 19:11:04,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 19:11:04,020 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-12-17 19:11:04,020 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=256, Invalid=296, Unknown=0, NotChecked=0, Total=552 [2024-12-17 19:11:04,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 19:11:04,020 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 19:11:04,020 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 9.347826086956522) internal successors, (215), 23 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 19:11:04,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 19:11:04,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 19:11:04,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-12-17 19:11:04,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-12-17 19:11:04,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-12-17 19:11:04,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-12-17 19:11:04,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-12-17 19:11:04,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 19:11:04,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 19:11:04,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 19:11:04,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-17 19:11:04,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-17 19:11:04,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-12-17 19:11:04,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-12-17 19:11:04,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-12-17 19:11:04,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-12-17 19:11:04,494 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-12-17 19:11:04,688 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 [2024-12-17 19:11:04,688 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 19:11:04,688 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 19:11:04,689 INFO L139 ounterexampleChecker]: Examining path program with hash -1926416704, occurence #2 [2024-12-17 19:11:04,689 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 19:11:04,689 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2024-12-17 19:11:04,689 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 19:11:04,689 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2024-12-17 19:11:04,689 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:11:04,689 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2024-12-17 19:11:04,689 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:11:04,689 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-12-17 19:11:04,689 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:11:04,689 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2024-12-17 19:11:04,689 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:11:04,689 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2024-12-17 19:11:04,689 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:11:04,689 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2024-12-17 19:11:04,689 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:11:04,689 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2024-12-17 19:11:04,689 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:11:04,689 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2024-12-17 19:11:04,689 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:11:04,689 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 31 [2024-12-17 19:11:04,689 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:11:04,689 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2024-12-17 19:11:04,689 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:11:04,689 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2024-12-17 19:11:04,689 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:11:04,689 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 41 [2024-12-17 19:11:04,689 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:11:04,689 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 49 [2024-12-17 19:11:04,689 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:11:04,689 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 50 [2024-12-17 19:11:04,689 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:11:04,689 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2024-12-17 19:11:04,689 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:11:04,689 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 59 [2024-12-17 19:11:04,689 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:11:04,689 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 60 [2024-12-17 19:11:04,689 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:11:04,689 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 61 [2024-12-17 19:11:04,690 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:11:04,690 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 69 [2024-12-17 19:11:04,690 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:11:04,690 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 70 [2024-12-17 19:11:04,690 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:11:04,690 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 71 [2024-12-17 19:11:04,690 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:11:04,690 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 79 [2024-12-17 19:11:04,690 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:11:04,690 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 80 [2024-12-17 19:11:04,690 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:11:04,690 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 81 [2024-12-17 19:11:04,690 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:11:04,690 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 89 [2024-12-17 19:11:04,690 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:11:04,690 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 90 [2024-12-17 19:11:04,690 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:11:04,690 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 91 [2024-12-17 19:11:04,690 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:11:04,690 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 99 [2024-12-17 19:11:04,690 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:11:04,690 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 100 [2024-12-17 19:11:04,690 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:11:04,690 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 101 [2024-12-17 19:11:04,690 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:11:04,690 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 109 [2024-12-17 19:11:04,690 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:11:04,690 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 110 [2024-12-17 19:11:04,690 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:11:04,690 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 111 [2024-12-17 19:11:04,690 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:11:04,690 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 119 [2024-12-17 19:11:04,690 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:11:04,690 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 120 [2024-12-17 19:11:04,690 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:11:04,690 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 121 [2024-12-17 19:11:04,690 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:11:04,690 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 129 [2024-12-17 19:11:04,690 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:11:04,690 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 130 [2024-12-17 19:11:04,690 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:11:04,690 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 131 [2024-12-17 19:11:04,690 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:11:04,690 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 139 [2024-12-17 19:11:04,690 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:11:04,690 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 140 [2024-12-17 19:11:04,690 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:11:04,690 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 141 [2024-12-17 19:11:04,690 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:11:04,690 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 149 [2024-12-17 19:11:04,690 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:11:04,690 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 150 [2024-12-17 19:11:04,691 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:11:04,691 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 151 [2024-12-17 19:11:04,691 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:11:04,691 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 159 [2024-12-17 19:11:04,691 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:11:04,691 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 160 [2024-12-17 19:11:04,691 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:11:04,691 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 161 [2024-12-17 19:11:04,691 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:11:04,691 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 169 [2024-12-17 19:11:04,691 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:11:04,691 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 170 [2024-12-17 19:11:04,691 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:11:04,691 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 171 [2024-12-17 19:11:04,691 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:11:04,691 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 179 [2024-12-17 19:11:04,691 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:11:04,691 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 180 [2024-12-17 19:11:04,691 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:11:04,691 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 181 [2024-12-17 19:11:04,691 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:11:04,691 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 189 [2024-12-17 19:11:04,691 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:11:04,691 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 190 [2024-12-17 19:11:04,691 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:11:04,691 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 191 [2024-12-17 19:11:04,691 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:11:04,691 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 195 [2024-12-17 19:11:04,691 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:11:04,691 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 196 [2024-12-17 19:11:04,691 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:11:04,691 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 197 [2024-12-17 19:11:04,691 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:11:04,691 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 199 [2024-12-17 19:11:04,691 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 19:11:04,691 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 200 [2024-12-17 19:11:04,691 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 19:11:04,691 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 19:11:04,691 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 19:11:04,692 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 19:11:04,692 INFO L85 PathProgramCache]: Analyzing trace with hash -1683294713, now seen corresponding path program 8 times [2024-12-17 19:11:04,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 19:11:04,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378251833] [2024-12-17 19:11:04,692 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-17 19:11:04,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 19:11:04,721 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-17 19:11:04,721 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 19:11:05,136 INFO L134 CoverageAnalysis]: Checked inductivity of 1730 backedges. 0 proven. 1729 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-17 19:11:05,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 19:11:05,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378251833] [2024-12-17 19:11:05,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1378251833] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 19:11:05,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1439026566] [2024-12-17 19:11:05,137 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-17 19:11:05,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 19:11:05,137 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 19:11:05,140 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 19:11:05,141 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-12-17 19:11:05,305 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-17 19:11:05,306 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 19:11:05,308 INFO L256 TraceCheckSpWp]: Trace formula consists of 857 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-12-17 19:11:05,310 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 19:11:05,469 INFO L134 CoverageAnalysis]: Checked inductivity of 1730 backedges. 0 proven. 1729 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-17 19:11:05,469 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 19:11:05,778 INFO L134 CoverageAnalysis]: Checked inductivity of 1730 backedges. 0 proven. 1729 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-17 19:11:05,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1439026566] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 19:11:05,778 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 19:11:05,778 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22, 22] total 23 [2024-12-17 19:11:05,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10676671] [2024-12-17 19:11:05,779 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 19:11:05,780 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-12-17 19:11:05,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 19:11:05,780 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-12-17 19:11:05,780 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=253, Invalid=253, Unknown=0, NotChecked=0, Total=506 [2024-12-17 19:11:05,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 19:11:05,780 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 19:11:05,781 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) [2024-12-17 19:11:05,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 19:11:05,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 19:11:05,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-12-17 19:11:05,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-12-17 19:11:05,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-12-17 19:11:05,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-12-17 19:11:05,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-12-17 19:11:05,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-12-17 19:11:05,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 19:11:08,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 19:11:08,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 19:11:08,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2024-12-17 19:11:08,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-17 19:11:08,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-12-17 19:11:08,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-12-17 19:11:08,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-12-17 19:11:08,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-12-17 19:11:08,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-12-17 19:11:08,999 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2024-12-17 19:11:08,999 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2024-12-17 19:11:09,006 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-12-17 19:11:09,200 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 [2024-12-17 19:11:09,203 INFO L422 BasicCegarLoop]: Path program histogram: [8, 1] [2024-12-17 19:11:09,205 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-12-17 19:11:09,205 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-17 19:11:09,212 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-12-17 19:11:09,212 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.12 07:11:09 BasicIcfg [2024-12-17 19:11:09,212 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-17 19:11:09,213 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-17 19:11:09,213 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-17 19:11:09,213 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-17 19:11:09,213 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 07:10:52" (3/4) ... [2024-12-17 19:11:09,214 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-17 19:11:09,216 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread_function_mutex [2024-12-17 19:11:09,218 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 44 nodes and edges [2024-12-17 19:11:09,218 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-12-17 19:11:09,218 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-12-17 19:11:09,218 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-12-17 19:11:09,269 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/witness.graphml [2024-12-17 19:11:09,270 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/witness.yml [2024-12-17 19:11:09,270 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-17 19:11:09,270 INFO L158 Benchmark]: Toolchain (without parser) took 17477.41ms. Allocated memory was 142.6MB in the beginning and 511.7MB in the end (delta: 369.1MB). Free memory was 102.9MB in the beginning and 212.5MB in the end (delta: -109.6MB). Peak memory consumption was 262.7MB. Max. memory is 16.1GB. [2024-12-17 19:11:09,270 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 201.3MB. Free memory is still 115.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-17 19:11:09,271 INFO L158 Benchmark]: CACSL2BoogieTranslator took 414.12ms. Allocated memory is still 142.6MB. Free memory was 102.9MB in the beginning and 66.1MB in the end (delta: 36.8MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-12-17 19:11:09,271 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.10ms. Allocated memory is still 142.6MB. Free memory was 65.0MB in the beginning and 63.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-17 19:11:09,271 INFO L158 Benchmark]: Boogie Preprocessor took 27.37ms. Allocated memory is still 142.6MB. Free memory was 63.9MB in the beginning and 62.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-17 19:11:09,271 INFO L158 Benchmark]: RCFGBuilder took 341.28ms. Allocated memory is still 142.6MB. Free memory was 62.7MB in the beginning and 40.9MB in the end (delta: 21.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-17 19:11:09,271 INFO L158 Benchmark]: TraceAbstraction took 16597.23ms. Allocated memory was 142.6MB in the beginning and 511.7MB in the end (delta: 369.1MB). Free memory was 40.9MB in the beginning and 219.3MB in the end (delta: -178.4MB). Peak memory consumption was 187.2MB. Max. memory is 16.1GB. [2024-12-17 19:11:09,271 INFO L158 Benchmark]: Witness Printer took 57.11ms. Allocated memory is still 511.7MB. Free memory was 219.3MB in the beginning and 212.5MB in the end (delta: 6.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-17 19:11:09,272 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 201.3MB. Free memory is still 115.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 414.12ms. Allocated memory is still 142.6MB. Free memory was 102.9MB in the beginning and 66.1MB in the end (delta: 36.8MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.10ms. Allocated memory is still 142.6MB. Free memory was 65.0MB in the beginning and 63.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 27.37ms. Allocated memory is still 142.6MB. Free memory was 63.9MB in the beginning and 62.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 341.28ms. Allocated memory is still 142.6MB. Free memory was 62.7MB in the beginning and 40.9MB in the end (delta: 21.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 16597.23ms. Allocated memory was 142.6MB in the beginning and 511.7MB in the end (delta: 369.1MB). Free memory was 40.9MB in the beginning and 219.3MB in the end (delta: -178.4MB). Peak memory consumption was 187.2MB. Max. memory is 16.1GB. * Witness Printer took 57.11ms. Allocated memory is still 511.7MB. Free memory was 219.3MB in the beginning and 212.5MB in the end (delta: 6.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 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: 396, independent: 39, independent conditional: 0, independent unconditional: 39, dependent: 357, dependent conditional: 289, dependent unconditional: 68, 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: 396, independent: 39, independent conditional: 0, independent unconditional: 39, dependent: 357, dependent conditional: 289, dependent unconditional: 68, 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: 16.5s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 8, EmptinessCheckTime: 7.1s, 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, 6.1s 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]: 13, ConditionCalculationTime [ms]: 0, ConditionCalculations: 169, QuantifiedConditions: 0, TraceChecks: 0, UnknownTraceChecks: 0, ImperfectProofs: 0 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-12-17 19:11:09,286 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE