./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 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 SUFFICIENT -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --- Real Ultimate output --- This is Ultimate 0.3.0-dev-1c4755c-m [2024-12-17 11:50:39,353 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-17 11:50:39,402 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-12-17 11:50:39,406 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-17 11:50:39,407 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-17 11:50:39,418 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-17 11:50:39,419 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-17 11:50:39,419 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-17 11:50:39,419 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-17 11:50:39,419 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-17 11:50:39,419 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-17 11:50:39,419 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-17 11:50:39,419 INFO L153 SettingsManager]: * Use SBE=true [2024-12-17 11:50:39,420 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-17 11:50:39,420 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-17 11:50:39,420 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-17 11:50:39,420 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-17 11:50:39,420 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-17 11:50:39,420 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-17 11:50:39,420 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-17 11:50:39,420 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-17 11:50:39,420 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-17 11:50:39,420 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-17 11:50:39,420 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-17 11:50:39,421 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-17 11:50:39,421 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-17 11:50:39,421 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-17 11:50:39,421 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-17 11:50:39,421 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-17 11:50:39,421 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-17 11:50:39,421 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-12-17 11:50:39,421 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-17 11:50:39,421 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-17 11:50:39,421 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-17 11:50:39,421 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2024-12-17 11:50:39,422 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-17 11:50:39,422 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-17 11:50:39,422 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-12-17 11:50:39,422 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-17 11:50:39,422 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-17 11:50:39,422 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-12-17 11:50:39,422 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-12-17 11:50:39,422 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-12-17 11:50:39,422 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 -> SUFFICIENT [2024-12-17 11:50:39,613 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-17 11:50:39,621 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-17 11:50:39,623 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-17 11:50:39,624 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-17 11:50:39,624 INFO L274 PluginConnector]: CDTParser initialized [2024-12-17 11:50:39,626 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-C-DAC/pthread-demo-datarace-1.i [2024-12-17 11:50:40,706 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/cf4405de6/80b2e916c91a416b8f267ae9905dd94a/FLAG400279318 [2024-12-17 11:50:41,009 INFO L384 CDTParser]: Found 1 translation units. [2024-12-17 11:50:41,010 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/trunk/examples/svcomp/pthread-C-DAC/pthread-demo-datarace-1.i [2024-12-17 11:50:41,025 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/cf4405de6/80b2e916c91a416b8f267ae9905dd94a/FLAG400279318 [2024-12-17 11:50:41,272 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/cf4405de6/80b2e916c91a416b8f267ae9905dd94a [2024-12-17 11:50:41,274 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-17 11:50:41,275 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-17 11:50:41,276 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-17 11:50:41,276 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-17 11:50:41,279 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-17 11:50:41,279 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 11:50:41" (1/1) ... [2024-12-17 11:50:41,280 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53a26a1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 11:50:41, skipping insertion in model container [2024-12-17 11:50:41,280 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 11:50:41" (1/1) ... [2024-12-17 11:50:41,309 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-17 11:50:41,421 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 11:50:41,650 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-17 11:50:41,662 INFO L200 MainTranslator]: Completed pre-run [2024-12-17 11:50:41,669 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 11:50:41,715 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-17 11:50:41,766 INFO L204 MainTranslator]: Completed translation [2024-12-17 11:50:41,766 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 11:50:41 WrapperNode [2024-12-17 11:50:41,767 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-17 11:50:41,767 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-17 11:50:41,767 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-17 11:50:41,767 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-17 11:50:41,771 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 11:50:41" (1/1) ... [2024-12-17 11:50:41,780 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 11:50:41" (1/1) ... [2024-12-17 11:50:41,794 INFO L138 Inliner]: procedures = 364, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 60 [2024-12-17 11:50:41,796 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-17 11:50:41,796 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-17 11:50:41,796 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-17 11:50:41,796 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-17 11:50:41,800 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 11:50:41" (1/1) ... [2024-12-17 11:50:41,800 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 11:50:41" (1/1) ... [2024-12-17 11:50:41,804 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 11:50:41" (1/1) ... [2024-12-17 11:50:41,807 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 11:50:41" (1/1) ... [2024-12-17 11:50:41,810 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 11:50:41" (1/1) ... [2024-12-17 11:50:41,814 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 11:50:41" (1/1) ... [2024-12-17 11:50:41,815 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 11:50:41" (1/1) ... [2024-12-17 11:50:41,816 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 11:50:41" (1/1) ... [2024-12-17 11:50:41,818 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 11:50:41" (1/1) ... [2024-12-17 11:50:41,821 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-17 11:50:41,822 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-17 11:50:41,822 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-17 11:50:41,822 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-17 11:50:41,822 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 11:50:41" (1/1) ... [2024-12-17 11:50:41,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-12-17 11:50:41,835 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 11:50:41,845 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 11:50:41,846 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 11:50:41,860 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-12-17 11:50:41,860 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-12-17 11:50:41,860 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-17 11:50:41,860 INFO L130 BoogieDeclarations]: Found specification of procedure thread_function_mutex [2024-12-17 11:50:41,861 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_function_mutex [2024-12-17 11:50:41,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-17 11:50:41,861 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-17 11:50:41,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-17 11:50:41,862 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 11:50:41,941 INFO L234 CfgBuilder]: Building ICFG [2024-12-17 11:50:41,942 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-17 11:50:42,030 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-17 11:50:42,030 INFO L283 CfgBuilder]: Performing block encoding [2024-12-17 11:50:42,105 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-17 11:50:42,105 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-17 11:50:42,105 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 11:50:42 BoogieIcfgContainer [2024-12-17 11:50:42,106 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-17 11:50:42,107 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-17 11:50:42,111 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-17 11:50:42,114 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-17 11:50:42,114 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.12 11:50:41" (1/3) ... [2024-12-17 11:50:42,114 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a891383 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 11:50:42, skipping insertion in model container [2024-12-17 11:50:42,114 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 11:50:41" (2/3) ... [2024-12-17 11:50:42,115 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a891383 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 11:50:42, skipping insertion in model container [2024-12-17 11:50:42,115 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 11:50:42" (3/3) ... [2024-12-17 11:50:42,115 INFO L128 eAbstractionObserver]: Analyzing ICFG pthread-demo-datarace-1.i [2024-12-17 11:50:42,126 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-17 11:50:42,127 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 11:50:42,128 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-12-17 11:50:42,157 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-12-17 11:50:42,203 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-17 11:50:42,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-12-17 11:50:42,203 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 11:50:42,205 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 11:50:42,207 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 11:50:42,263 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-12-17 11:50:42,276 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-12-17 11:50:42,283 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;@619a4749, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-17 11:50:42,284 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-12-17 11:50:42,369 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 11:50:42,369 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 11:50:42,370 INFO L139 ounterexampleChecker]: Examining path program with hash -1002364952, occurence #1 [2024-12-17 11:50:42,370 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 11:50:42,370 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 11:50:42,374 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 11:50:42,374 INFO L85 PathProgramCache]: Analyzing trace with hash -543277899, now seen corresponding path program 1 times [2024-12-17 11:50:42,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 11:50:42,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979567236] [2024-12-17 11:50:42,380 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 11:50:42,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 11:50:42,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 11:50:42,564 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 11:50:42,565 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 11:50:42,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979567236] [2024-12-17 11:50:42,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1979567236] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 11:50:42,566 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 11:50:42,566 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-17 11:50:42,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692352615] [2024-12-17 11:50:42,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 11:50:42,571 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-17 11:50:42,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 11:50:42,584 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-17 11:50:42,584 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-17 11:50:42,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 11:50:42,586 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 11:50:42,587 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 11:50:42,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 11:50:42,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 11:50:42,663 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-17 11:50:42,664 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 11:50:42,664 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 11:50:42,664 INFO L139 ounterexampleChecker]: Examining path program with hash 1669244519, occurence #1 [2024-12-17 11:50:42,664 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 11:50:42,664 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 11:50:42,664 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 11:50:42,665 INFO L85 PathProgramCache]: Analyzing trace with hash -167581484, now seen corresponding path program 1 times [2024-12-17 11:50:42,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 11:50:42,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017159023] [2024-12-17 11:50:42,665 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 11:50:42,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 11:50:42,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 11:50:42,788 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 11:50:42,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 11:50:42,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017159023] [2024-12-17 11:50:42,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1017159023] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 11:50:42,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1076859068] [2024-12-17 11:50:42,788 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 11:50:42,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 11:50:42,788 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 11:50:42,791 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 11:50:42,792 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 11:50:42,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 11:50:42,858 INFO L256 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-17 11:50:42,861 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 11:50:42,898 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 11:50:42,898 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 11:50:42,933 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 11:50:42,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1076859068] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 11:50:42,933 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 11:50:42,933 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-12-17 11:50:42,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977595996] [2024-12-17 11:50:42,934 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 11:50:42,934 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-17 11:50:42,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 11:50:42,935 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-17 11:50:42,935 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-12-17 11:50:42,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 11:50:42,935 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 11:50:42,935 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 11:50:42,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 11:50:42,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 11:50:43,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 11:50:43,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 11:50:43,029 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-17 11:50:43,226 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 11:50:43,227 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 11:50:43,227 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 11:50:43,227 INFO L139 ounterexampleChecker]: Examining path program with hash 1669244519, occurence #2 [2024-12-17 11:50:43,227 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 11:50:43,227 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2024-12-17 11:50:43,238 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 11:50:43,238 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2024-12-17 11:50:43,238 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:43,238 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2024-12-17 11:50:43,238 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:43,238 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-12-17 11:50:43,238 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:43,238 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2024-12-17 11:50:43,238 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:43,238 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2024-12-17 11:50:43,238 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:43,239 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2024-12-17 11:50:43,239 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:43,239 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2024-12-17 11:50:43,239 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:43,239 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2024-12-17 11:50:43,239 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:43,239 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 31 [2024-12-17 11:50:43,239 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:43,239 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2024-12-17 11:50:43,239 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:43,239 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2024-12-17 11:50:43,239 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:43,239 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 41 [2024-12-17 11:50:43,239 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:43,239 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2024-12-17 11:50:43,240 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 11:50:43,240 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 11:50:43,240 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 11:50:43,240 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 11:50:43,240 INFO L85 PathProgramCache]: Analyzing trace with hash 355372209, now seen corresponding path program 2 times [2024-12-17 11:50:43,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 11:50:43,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395985776] [2024-12-17 11:50:43,240 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-17 11:50:43,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 11:50:43,284 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-17 11:50:43,284 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 11:50:43,468 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 11:50:43,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 11:50:43,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395985776] [2024-12-17 11:50:43,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [395985776] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 11:50:43,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [119609322] [2024-12-17 11:50:43,469 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-17 11:50:43,469 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 11:50:43,469 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 11:50:43,472 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 11:50:43,473 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 11:50:43,557 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-17 11:50:43,557 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 11:50:43,558 INFO L256 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-17 11:50:43,560 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 11:50:43,654 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 11:50:43,654 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 11:50:43,786 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 11:50:43,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [119609322] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 11:50:43,787 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 11:50:43,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 8] total 19 [2024-12-17 11:50:43,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028667590] [2024-12-17 11:50:43,787 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 11:50:43,788 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-12-17 11:50:43,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 11:50:43,790 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-12-17 11:50:43,791 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=231, Unknown=0, NotChecked=0, Total=342 [2024-12-17 11:50:43,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 11:50:43,791 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 11:50:43,791 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 11:50:43,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 11:50:43,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 11:50:43,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 11:50:44,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 11:50:44,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 11:50:44,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-17 11:50:44,034 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-12-17 11:50:44,231 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 11:50:44,232 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 11:50:44,232 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 11:50:44,232 INFO L139 ounterexampleChecker]: Examining path program with hash 1778893543, occurence #1 [2024-12-17 11:50:44,232 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 11:50:44,232 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 11:50:44,233 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 11:50:44,233 INFO L85 PathProgramCache]: Analyzing trace with hash 1729369584, now seen corresponding path program 3 times [2024-12-17 11:50:44,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 11:50:44,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398524654] [2024-12-17 11:50:44,233 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-17 11:50:44,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 11:50:44,284 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-12-17 11:50:44,286 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 11:50:44,455 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 11:50:44,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 11:50:44,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [398524654] [2024-12-17 11:50:44,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [398524654] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 11:50:44,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [379452201] [2024-12-17 11:50:44,456 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-17 11:50:44,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 11:50:44,456 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 11:50:44,458 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 11:50:44,459 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 11:50:44,581 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-12-17 11:50:44,581 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 11:50:44,582 INFO L256 TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-17 11:50:44,584 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 11:50:44,643 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 11:50:44,643 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 11:50:44,751 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 11:50:44,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [379452201] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 11:50:44,752 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 11:50:44,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 15 [2024-12-17 11:50:44,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194982577] [2024-12-17 11:50:44,752 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 11:50:44,752 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-12-17 11:50:44,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 11:50:44,753 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-12-17 11:50:44,753 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=105, Unknown=0, NotChecked=0, Total=210 [2024-12-17 11:50:44,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 11:50:44,753 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 11:50:44,753 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 11:50:44,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 11:50:44,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 11:50:44,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-12-17 11:50:44,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 11:50:44,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 11:50:44,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 11:50:44,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-17 11:50:44,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-17 11:50:44,923 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-12-17 11:50:45,117 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 11:50:45,117 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 11:50:45,118 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 11:50:45,118 INFO L139 ounterexampleChecker]: Examining path program with hash 1669244519, occurence #3 [2024-12-17 11:50:45,118 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 11:50:45,118 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2024-12-17 11:50:45,118 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 11:50:45,118 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2024-12-17 11:50:45,118 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:45,118 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2024-12-17 11:50:45,118 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:45,118 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-12-17 11:50:45,118 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:45,118 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2024-12-17 11:50:45,118 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:45,119 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2024-12-17 11:50:45,119 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:45,119 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2024-12-17 11:50:45,119 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:45,119 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2024-12-17 11:50:45,119 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:45,119 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2024-12-17 11:50:45,119 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:45,119 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 31 [2024-12-17 11:50:45,119 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:45,119 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2024-12-17 11:50:45,119 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:45,119 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2024-12-17 11:50:45,119 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:45,119 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 41 [2024-12-17 11:50:45,119 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:45,119 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 49 [2024-12-17 11:50:45,119 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:45,119 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 50 [2024-12-17 11:50:45,119 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:45,119 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2024-12-17 11:50:45,119 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:45,119 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 59 [2024-12-17 11:50:45,119 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:45,119 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 60 [2024-12-17 11:50:45,120 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:45,120 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 61 [2024-12-17 11:50:45,120 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:45,120 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 69 [2024-12-17 11:50:45,120 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:45,120 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 70 [2024-12-17 11:50:45,120 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:45,120 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 71 [2024-12-17 11:50:45,120 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:45,120 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 79 [2024-12-17 11:50:45,120 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:45,120 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 80 [2024-12-17 11:50:45,120 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:45,120 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 81 [2024-12-17 11:50:45,120 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:45,120 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 89 [2024-12-17 11:50:45,120 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:45,120 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 90 [2024-12-17 11:50:45,120 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:45,120 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 91 [2024-12-17 11:50:45,120 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:45,120 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 99 [2024-12-17 11:50:45,120 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:45,120 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 100 [2024-12-17 11:50:45,120 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:45,120 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 101 [2024-12-17 11:50:45,120 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:45,120 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 109 [2024-12-17 11:50:45,120 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:45,120 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 110 [2024-12-17 11:50:45,120 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:45,120 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 111 [2024-12-17 11:50:45,120 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:45,120 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 119 [2024-12-17 11:50:45,120 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:45,120 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 120 [2024-12-17 11:50:45,120 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:45,120 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 121 [2024-12-17 11:50:45,120 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:45,121 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 131 [2024-12-17 11:50:45,121 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 11:50:45,121 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 11:50:45,121 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 11:50:45,121 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 11:50:45,121 INFO L85 PathProgramCache]: Analyzing trace with hash 1413032105, now seen corresponding path program 4 times [2024-12-17 11:50:45,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 11:50:45,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930809254] [2024-12-17 11:50:45,122 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-17 11:50:45,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 11:50:45,181 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-17 11:50:45,181 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 11:50:45,505 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 11:50:45,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 11:50:45,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930809254] [2024-12-17 11:50:45,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1930809254] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 11:50:45,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2137625647] [2024-12-17 11:50:45,505 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-17 11:50:45,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 11:50:45,506 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 11:50:45,508 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 11:50:45,509 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 11:50:45,658 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-17 11:50:45,659 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 11:50:45,660 INFO L256 TraceCheckSpWp]: Trace formula consists of 579 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-17 11:50:45,663 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 11:50:45,796 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 11:50:45,796 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 11:50:46,057 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 11:50:46,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2137625647] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 11:50:46,057 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 11:50:46,057 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 22 [2024-12-17 11:50:46,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450858850] [2024-12-17 11:50:46,057 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 11:50:46,058 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-12-17 11:50:46,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 11:50:46,058 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-12-17 11:50:46,058 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=231, Invalid=231, Unknown=0, NotChecked=0, Total=462 [2024-12-17 11:50:46,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 11:50:46,059 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 11:50:46,059 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 11:50:46,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 11:50:46,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 11:50:46,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-12-17 11:50:46,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-12-17 11:50:46,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 11:50:46,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 11:50:46,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 11:50:46,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-17 11:50:46,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-17 11:50:46,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-12-17 11:50:46,287 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 11:50:46,480 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 11:50:46,481 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 11:50:46,481 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 11:50:46,481 INFO L139 ounterexampleChecker]: Examining path program with hash 1669244519, occurence #4 [2024-12-17 11:50:46,481 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 11:50:46,481 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2024-12-17 11:50:46,481 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 11:50:46,481 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2024-12-17 11:50:46,481 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:46,481 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2024-12-17 11:50:46,481 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:46,481 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-12-17 11:50:46,481 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:46,482 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2024-12-17 11:50:46,482 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:46,482 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2024-12-17 11:50:46,482 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:46,482 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2024-12-17 11:50:46,482 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:46,482 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2024-12-17 11:50:46,482 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:46,482 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2024-12-17 11:50:46,482 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:46,482 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 31 [2024-12-17 11:50:46,482 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:46,482 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2024-12-17 11:50:46,482 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:46,482 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2024-12-17 11:50:46,482 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:46,482 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 41 [2024-12-17 11:50:46,482 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:46,482 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 49 [2024-12-17 11:50:46,482 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:46,482 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 50 [2024-12-17 11:50:46,482 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:46,482 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2024-12-17 11:50:46,482 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:46,482 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 59 [2024-12-17 11:50:46,482 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:46,482 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 60 [2024-12-17 11:50:46,482 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:46,482 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 61 [2024-12-17 11:50:46,482 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:46,482 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 69 [2024-12-17 11:50:46,482 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:46,483 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 70 [2024-12-17 11:50:46,483 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:46,483 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 71 [2024-12-17 11:50:46,483 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:46,483 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 79 [2024-12-17 11:50:46,483 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:46,483 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 80 [2024-12-17 11:50:46,483 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:46,483 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 81 [2024-12-17 11:50:46,483 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:46,483 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 89 [2024-12-17 11:50:46,483 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:46,483 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 90 [2024-12-17 11:50:46,483 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:46,483 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 91 [2024-12-17 11:50:46,483 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:46,483 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 99 [2024-12-17 11:50:46,483 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:46,483 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 100 [2024-12-17 11:50:46,483 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:46,483 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 101 [2024-12-17 11:50:46,483 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:46,483 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 109 [2024-12-17 11:50:46,483 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:46,483 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 110 [2024-12-17 11:50:46,483 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:46,483 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 111 [2024-12-17 11:50:46,483 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:46,483 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 119 [2024-12-17 11:50:46,483 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:46,483 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 120 [2024-12-17 11:50:46,483 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:46,483 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 121 [2024-12-17 11:50:46,483 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:46,484 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 129 [2024-12-17 11:50:46,484 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:46,484 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 130 [2024-12-17 11:50:46,484 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:46,484 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 131 [2024-12-17 11:50:46,484 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:46,484 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 139 [2024-12-17 11:50:46,484 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:46,484 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 140 [2024-12-17 11:50:46,484 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:46,484 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 141 [2024-12-17 11:50:46,484 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:46,484 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 149 [2024-12-17 11:50:46,484 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:46,484 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 150 [2024-12-17 11:50:46,484 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:46,484 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 151 [2024-12-17 11:50:46,484 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:46,484 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 159 [2024-12-17 11:50:46,485 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:46,485 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 160 [2024-12-17 11:50:46,485 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:46,485 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 161 [2024-12-17 11:50:46,485 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:46,485 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 169 [2024-12-17 11:50:46,485 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:46,486 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 170 [2024-12-17 11:50:46,486 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:46,486 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 171 [2024-12-17 11:50:46,486 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:46,487 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 179 [2024-12-17 11:50:46,487 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:46,487 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 180 [2024-12-17 11:50:46,487 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:46,487 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 181 [2024-12-17 11:50:46,487 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:46,487 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 189 [2024-12-17 11:50:46,487 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:46,487 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 190 [2024-12-17 11:50:46,487 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:46,487 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 191 [2024-12-17 11:50:46,487 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:46,487 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 199 [2024-12-17 11:50:46,487 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:46,487 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 200 [2024-12-17 11:50:46,487 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:46,487 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 201 [2024-12-17 11:50:46,487 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:46,487 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 211 [2024-12-17 11:50:46,487 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 11:50:46,487 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 11:50:46,487 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 11:50:46,487 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 11:50:46,488 INFO L85 PathProgramCache]: Analyzing trace with hash -606006111, now seen corresponding path program 5 times [2024-12-17 11:50:46,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 11:50:46,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234019610] [2024-12-17 11:50:46,488 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-17 11:50:46,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 11:50:46,616 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 21 check-sat command(s) [2024-12-17 11:50:46,616 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 11:50:47,268 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 11:50:47,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 11:50:47,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [234019610] [2024-12-17 11:50:47,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [234019610] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 11:50:47,269 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 11:50:47,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2024-12-17 11:50:47,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059566174] [2024-12-17 11:50:47,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 11:50:47,269 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-12-17 11:50:47,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 11:50:47,270 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-12-17 11:50:47,270 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=253, Invalid=253, Unknown=0, NotChecked=0, Total=506 [2024-12-17 11:50:47,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 11:50:47,270 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 11:50:47,270 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 11:50:47,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 11:50:47,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 11:50:47,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-12-17 11:50:47,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-12-17 11:50:47,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-12-17 11:50:47,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 11:50:47,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 11:50:47,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 11:50:47,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-17 11:50:47,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-17 11:50:47,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-12-17 11:50:47,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-12-17 11:50:47,625 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-17 11:50:47,625 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 11:50:47,625 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 11:50:47,625 INFO L139 ounterexampleChecker]: Examining path program with hash 49740397, occurence #1 [2024-12-17 11:50:47,625 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 11:50:47,625 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 11:50:47,625 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 11:50:47,626 INFO L85 PathProgramCache]: Analyzing trace with hash -2007654064, now seen corresponding path program 6 times [2024-12-17 11:50:47,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 11:50:47,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898921613] [2024-12-17 11:50:47,626 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-17 11:50:47,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 11:50:47,703 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 21 check-sat command(s) [2024-12-17 11:50:47,703 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 11:50:49,473 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 11:50:49,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 11:50:49,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [898921613] [2024-12-17 11:50:49,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [898921613] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 11:50:49,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [203071762] [2024-12-17 11:50:49,473 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-17 11:50:49,473 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 11:50:49,473 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 11:50:49,475 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 11:50:49,476 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 11:50:49,769 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 21 check-sat command(s) [2024-12-17 11:50:49,769 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 11:50:49,773 INFO L256 TraceCheckSpWp]: Trace formula consists of 878 conjuncts, 128 conjuncts are in the unsatisfiable core [2024-12-17 11:50:49,776 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 11:50:50,006 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 11:50:50,006 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 11:50:50,197 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 11:50:50,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [203071762] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 11:50:50,197 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 11:50:50,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 43, 43] total 44 [2024-12-17 11:50:50,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542439921] [2024-12-17 11:50:50,197 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 11:50:50,198 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2024-12-17 11:50:50,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 11:50:50,198 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2024-12-17 11:50:50,199 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=1892, Unknown=0, NotChecked=0, Total=1980 [2024-12-17 11:50:50,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 11:50:50,199 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 11:50:50,199 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 11:50:50,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 11:50:50,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 11:50:50,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-12-17 11:50:50,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-12-17 11:50:50,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-12-17 11:50:50,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-12-17 11:50:50,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 11:50:52,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 11:50:52,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 11:50:52,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-17 11:50:52,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-17 11:50:52,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-12-17 11:50:52,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-12-17 11:50:52,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-12-17 11:50:52,348 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 11:50:52,541 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 11:50:52,541 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 11:50:52,541 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 11:50:52,541 INFO L139 ounterexampleChecker]: Examining path program with hash 1194837111, occurence #1 [2024-12-17 11:50:52,541 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 11:50:52,541 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 11:50:52,542 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 11:50:52,542 INFO L85 PathProgramCache]: Analyzing trace with hash -1347504666, now seen corresponding path program 7 times [2024-12-17 11:50:52,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 11:50:52,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731792790] [2024-12-17 11:50:52,542 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-12-17 11:50:52,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 11:50:52,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 11:50:53,053 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 11:50:53,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 11:50:53,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731792790] [2024-12-17 11:50:53,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [731792790] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 11:50:53,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [356157361] [2024-12-17 11:50:53,054 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-12-17 11:50:53,054 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 11:50:53,054 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 11:50:53,056 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 11:50:53,058 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 11:50:53,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 11:50:53,230 INFO L256 TraceCheckSpWp]: Trace formula consists of 897 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-17 11:50:53,233 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 11:50:53,407 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 11:50:53,407 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-17 11:50:53,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [356157361] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 11:50:53,408 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-17 11:50:53,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [23] total 24 [2024-12-17 11:50:53,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264857379] [2024-12-17 11:50:53,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 11:50:53,408 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-12-17 11:50:53,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 11:50:53,409 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-12-17 11:50:53,409 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=256, Invalid=296, Unknown=0, NotChecked=0, Total=552 [2024-12-17 11:50:53,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 11:50:53,409 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 11:50:53,409 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 11:50:53,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 11:50:53,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 11:50:53,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-12-17 11:50:53,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-12-17 11:50:53,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-12-17 11:50:53,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-12-17 11:50:53,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-12-17 11:50:53,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 11:50:53,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 11:50:53,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 11:50:53,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-17 11:50:53,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-17 11:50:53,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-12-17 11:50:53,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-12-17 11:50:53,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-12-17 11:50:53,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-12-17 11:50:53,859 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 11:50:54,053 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 11:50:54,053 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 11:50:54,053 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 11:50:54,053 INFO L139 ounterexampleChecker]: Examining path program with hash 1194837111, occurence #2 [2024-12-17 11:50:54,053 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 11:50:54,054 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2024-12-17 11:50:54,054 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 11:50:54,054 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2024-12-17 11:50:54,054 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:54,054 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2024-12-17 11:50:54,054 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:54,054 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-12-17 11:50:54,054 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:54,054 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2024-12-17 11:50:54,054 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:54,054 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2024-12-17 11:50:54,054 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:54,054 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2024-12-17 11:50:54,054 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:54,054 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2024-12-17 11:50:54,054 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:54,054 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2024-12-17 11:50:54,054 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:54,054 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 31 [2024-12-17 11:50:54,054 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:54,054 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2024-12-17 11:50:54,054 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:54,054 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2024-12-17 11:50:54,054 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:54,054 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 41 [2024-12-17 11:50:54,054 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:54,055 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 49 [2024-12-17 11:50:54,055 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:54,055 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 50 [2024-12-17 11:50:54,055 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:54,055 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2024-12-17 11:50:54,055 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:54,055 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 59 [2024-12-17 11:50:54,055 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:54,055 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 60 [2024-12-17 11:50:54,055 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:54,055 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 61 [2024-12-17 11:50:54,055 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:54,055 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 69 [2024-12-17 11:50:54,055 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:54,055 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 70 [2024-12-17 11:50:54,055 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:54,055 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 71 [2024-12-17 11:50:54,056 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:54,056 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 79 [2024-12-17 11:50:54,056 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:54,056 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 80 [2024-12-17 11:50:54,056 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:54,056 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 81 [2024-12-17 11:50:54,056 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:54,056 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 89 [2024-12-17 11:50:54,056 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:54,056 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 90 [2024-12-17 11:50:54,056 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:54,056 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 91 [2024-12-17 11:50:54,056 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:54,056 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 99 [2024-12-17 11:50:54,056 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:54,056 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 100 [2024-12-17 11:50:54,056 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:54,056 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 101 [2024-12-17 11:50:54,056 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:54,056 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 109 [2024-12-17 11:50:54,056 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:54,056 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 110 [2024-12-17 11:50:54,056 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:54,056 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 111 [2024-12-17 11:50:54,056 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:54,056 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 119 [2024-12-17 11:50:54,056 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:54,056 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 120 [2024-12-17 11:50:54,056 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:54,057 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 121 [2024-12-17 11:50:54,057 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:54,057 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 129 [2024-12-17 11:50:54,057 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:54,057 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 130 [2024-12-17 11:50:54,057 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:54,057 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 131 [2024-12-17 11:50:54,057 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:54,057 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 139 [2024-12-17 11:50:54,057 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:54,057 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 140 [2024-12-17 11:50:54,057 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:54,057 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 141 [2024-12-17 11:50:54,057 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:54,057 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 149 [2024-12-17 11:50:54,057 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:54,057 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 150 [2024-12-17 11:50:54,058 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:54,058 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 151 [2024-12-17 11:50:54,058 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:54,058 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 159 [2024-12-17 11:50:54,058 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:54,058 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 160 [2024-12-17 11:50:54,058 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:54,058 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 161 [2024-12-17 11:50:54,058 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:54,058 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 169 [2024-12-17 11:50:54,058 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:54,058 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 170 [2024-12-17 11:50:54,058 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:54,058 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 171 [2024-12-17 11:50:54,058 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:54,058 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 179 [2024-12-17 11:50:54,058 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:54,058 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 180 [2024-12-17 11:50:54,058 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:54,058 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 181 [2024-12-17 11:50:54,058 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:54,058 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 189 [2024-12-17 11:50:54,058 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:54,058 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 190 [2024-12-17 11:50:54,058 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:54,058 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 191 [2024-12-17 11:50:54,058 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:54,058 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 195 [2024-12-17 11:50:54,058 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:54,058 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 196 [2024-12-17 11:50:54,058 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:54,058 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 197 [2024-12-17 11:50:54,058 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:54,058 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 199 [2024-12-17 11:50:54,058 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 11:50:54,058 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 200 [2024-12-17 11:50:54,058 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 11:50:54,058 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 11:50:54,058 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 11:50:54,059 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 11:50:54,059 INFO L85 PathProgramCache]: Analyzing trace with hash -1683294713, now seen corresponding path program 8 times [2024-12-17 11:50:54,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 11:50:54,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378053396] [2024-12-17 11:50:54,059 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-17 11:50:54,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 11:50:54,087 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-17 11:50:54,087 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 11:50:54,538 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 11:50:54,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 11:50:54,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378053396] [2024-12-17 11:50:54,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1378053396] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 11:50:54,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1425085832] [2024-12-17 11:50:54,539 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-17 11:50:54,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 11:50:54,539 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 11:50:54,541 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 11:50:54,542 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 11:50:54,710 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-17 11:50:54,710 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 11:50:54,713 INFO L256 TraceCheckSpWp]: Trace formula consists of 857 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-12-17 11:50:54,715 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 11:50:54,871 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 11:50:54,872 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 11:50:55,137 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 11:50:55,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1425085832] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 11:50:55,137 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 11:50:55,137 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22, 22] total 23 [2024-12-17 11:50:55,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861803867] [2024-12-17 11:50:55,137 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 11:50:55,138 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-12-17 11:50:55,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 11:50:55,138 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-12-17 11:50:55,139 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=253, Invalid=253, Unknown=0, NotChecked=0, Total=506 [2024-12-17 11:50:55,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 11:50:55,139 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 11:50:55,139 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 11:50:55,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 11:50:55,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 11:50:55,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-12-17 11:50:55,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-12-17 11:50:55,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-12-17 11:50:55,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-12-17 11:50:55,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-12-17 11:50:55,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-12-17 11:50:55,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 11:50:58,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 11:50:58,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 11:50:58,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2024-12-17 11:50:58,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-17 11:50:58,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-12-17 11:50:58,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-12-17 11:50:58,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-12-17 11:50:58,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-12-17 11:50:58,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-12-17 11:50:58,257 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2024-12-17 11:50:58,257 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2024-12-17 11:50:58,264 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 11:50:58,457 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 11:50:58,461 INFO L422 BasicCegarLoop]: Path program histogram: [8, 1] [2024-12-17 11:50:58,462 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-12-17 11:50:58,462 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-17 11:50:58,469 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-12-17 11:50:58,470 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.12 11:50:58 BasicIcfg [2024-12-17 11:50:58,470 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-17 11:50:58,472 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-17 11:50:58,472 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-17 11:50:58,472 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-17 11:50:58,472 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 11:50:42" (3/4) ... [2024-12-17 11:50:58,474 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-17 11:50:58,476 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread_function_mutex [2024-12-17 11:50:58,478 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 44 nodes and edges [2024-12-17 11:50:58,478 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-12-17 11:50:58,479 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-12-17 11:50:58,479 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-12-17 11:50:58,522 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/witness.graphml [2024-12-17 11:50:58,522 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/witness.yml [2024-12-17 11:50:58,522 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-17 11:50:58,523 INFO L158 Benchmark]: Toolchain (without parser) took 17247.76ms. Allocated memory was 142.6MB in the beginning and 453.0MB in the end (delta: 310.4MB). Free memory was 104.6MB in the beginning and 376.2MB in the end (delta: -271.6MB). Peak memory consumption was 41.3MB. Max. memory is 16.1GB. [2024-12-17 11:50:58,523 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 201.3MB. Free memory is still 126.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-17 11:50:58,523 INFO L158 Benchmark]: CACSL2BoogieTranslator took 490.99ms. Allocated memory is still 142.6MB. Free memory was 104.6MB in the beginning and 67.3MB in the end (delta: 37.2MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-12-17 11:50:58,523 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.37ms. Allocated memory is still 142.6MB. Free memory was 67.3MB in the beginning and 65.3MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-17 11:50:58,523 INFO L158 Benchmark]: Boogie Preprocessor took 25.25ms. Allocated memory is still 142.6MB. Free memory was 65.3MB in the beginning and 64.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-17 11:50:58,524 INFO L158 Benchmark]: RCFGBuilder took 283.92ms. Allocated memory is still 142.6MB. Free memory was 64.2MB in the beginning and 43.2MB in the end (delta: 21.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-17 11:50:58,524 INFO L158 Benchmark]: TraceAbstraction took 16363.47ms. Allocated memory was 142.6MB in the beginning and 453.0MB in the end (delta: 310.4MB). Free memory was 42.2MB in the beginning and 383.2MB in the end (delta: -341.0MB). Peak memory consumption was 209.1MB. Max. memory is 16.1GB. [2024-12-17 11:50:58,525 INFO L158 Benchmark]: Witness Printer took 50.73ms. Allocated memory is still 453.0MB. Free memory was 383.2MB in the beginning and 376.2MB in the end (delta: 7.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-17 11:50:58,527 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 201.3MB. Free memory is still 126.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 490.99ms. Allocated memory is still 142.6MB. Free memory was 104.6MB in the beginning and 67.3MB in the end (delta: 37.2MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.37ms. Allocated memory is still 142.6MB. Free memory was 67.3MB in the beginning and 65.3MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 25.25ms. Allocated memory is still 142.6MB. Free memory was 65.3MB in the beginning and 64.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 283.92ms. Allocated memory is still 142.6MB. Free memory was 64.2MB in the beginning and 43.2MB in the end (delta: 21.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 16363.47ms. Allocated memory was 142.6MB in the beginning and 453.0MB in the end (delta: 310.4MB). Free memory was 42.2MB in the beginning and 383.2MB in the end (delta: -341.0MB). Peak memory consumption was 209.1MB. Max. memory is 16.1GB. * Witness Printer took 50.73ms. Allocated memory is still 453.0MB. Free memory was 383.2MB in the beginning and 376.2MB in the end (delta: 7.0MB). 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: 369, independent: 39, independent conditional: 0, independent unconditional: 39, dependent: 329, dependent conditional: 262, 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: 369, independent: 39, independent conditional: 0, independent unconditional: 39, dependent: 329, dependent conditional: 262, 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: 16.2s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 8, EmptinessCheckTime: 6.9s, 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]: 10, 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 11:50:58,540 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE