./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread/stack_longer-2.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/stack_longer-2.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 402cb3c5f3290109e83e598d96446a87fac59fa4aaa0b6234366e7da005f5688 --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 09:58:00,611 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-17 09:58:00,690 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-12-17 09:58:00,694 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-17 09:58:00,695 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-17 09:58:00,718 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-17 09:58:00,719 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-17 09:58:00,720 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-17 09:58:00,720 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-17 09:58:00,720 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-17 09:58:00,721 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-17 09:58:00,722 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-17 09:58:00,722 INFO L153 SettingsManager]: * Use SBE=true [2024-12-17 09:58:00,722 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-17 09:58:00,722 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-17 09:58:00,722 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-17 09:58:00,722 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-17 09:58:00,722 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-17 09:58:00,722 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-17 09:58:00,722 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-17 09:58:00,722 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-17 09:58:00,722 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-17 09:58:00,722 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-17 09:58:00,722 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-17 09:58:00,723 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-17 09:58:00,723 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-17 09:58:00,723 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-17 09:58:00,723 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-17 09:58:00,723 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-17 09:58:00,723 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-17 09:58:00,723 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-12-17 09:58:00,723 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-17 09:58:00,723 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-17 09:58:00,723 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-17 09:58:00,723 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2024-12-17 09:58:00,723 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-17 09:58:00,723 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-17 09:58:00,723 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-12-17 09:58:00,724 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-17 09:58:00,724 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-17 09:58:00,724 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-12-17 09:58:00,724 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-12-17 09:58:00,724 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-12-17 09:58:00,724 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 -> 402cb3c5f3290109e83e598d96446a87fac59fa4aaa0b6234366e7da005f5688 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Commutativity condition synthesis -> SUFFICIENT [2024-12-17 09:58:01,041 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-17 09:58:01,053 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-17 09:58:01,056 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-17 09:58:01,057 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-17 09:58:01,057 INFO L274 PluginConnector]: CDTParser initialized [2024-12-17 09:58:01,058 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread/stack_longer-2.i [2024-12-17 09:58:02,418 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/5cfc9cb47/bb2b154e02064da69ccb973558342ce8/FLAG7bb01baee [2024-12-17 09:58:02,770 INFO L384 CDTParser]: Found 1 translation units. [2024-12-17 09:58:02,772 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/trunk/examples/svcomp/pthread/stack_longer-2.i [2024-12-17 09:58:02,791 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/5cfc9cb47/bb2b154e02064da69ccb973558342ce8/FLAG7bb01baee [2024-12-17 09:58:02,809 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/5cfc9cb47/bb2b154e02064da69ccb973558342ce8 [2024-12-17 09:58:02,812 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-17 09:58:02,813 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-17 09:58:02,815 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-17 09:58:02,816 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-17 09:58:02,819 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-17 09:58:02,820 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 09:58:02" (1/1) ... [2024-12-17 09:58:02,822 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f4ab237 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 09:58:02, skipping insertion in model container [2024-12-17 09:58:02,822 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 09:58:02" (1/1) ... [2024-12-17 09:58:02,862 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-17 09:58:03,175 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/stack_longer-2.i[41529,41542] [2024-12-17 09:58:03,204 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-17 09:58:03,229 INFO L200 MainTranslator]: Completed pre-run [2024-12-17 09:58:03,262 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/stack_longer-2.i[41529,41542] [2024-12-17 09:58:03,268 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-17 09:58:03,355 INFO L204 MainTranslator]: Completed translation [2024-12-17 09:58:03,357 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 09:58:03 WrapperNode [2024-12-17 09:58:03,358 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-17 09:58:03,361 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-17 09:58:03,361 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-17 09:58:03,361 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-17 09:58:03,366 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 09:58:03" (1/1) ... [2024-12-17 09:58:03,395 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 09:58:03" (1/1) ... [2024-12-17 09:58:03,448 INFO L138 Inliner]: procedures = 277, calls = 430, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 539 [2024-12-17 09:58:03,452 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-17 09:58:03,452 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-17 09:58:03,452 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-17 09:58:03,452 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-17 09:58:03,463 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 09:58:03" (1/1) ... [2024-12-17 09:58:03,463 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 09:58:03" (1/1) ... [2024-12-17 09:58:03,472 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 09:58:03" (1/1) ... [2024-12-17 09:58:03,475 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 09:58:03" (1/1) ... [2024-12-17 09:58:03,507 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 09:58:03" (1/1) ... [2024-12-17 09:58:03,509 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 09:58:03" (1/1) ... [2024-12-17 09:58:03,511 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 09:58:03" (1/1) ... [2024-12-17 09:58:03,521 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 09:58:03" (1/1) ... [2024-12-17 09:58:03,523 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 09:58:03" (1/1) ... [2024-12-17 09:58:03,531 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-17 09:58:03,533 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-17 09:58:03,533 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-17 09:58:03,533 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-17 09:58:03,534 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 09:58:03" (1/1) ... [2024-12-17 09:58:03,544 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-12-17 09:58:03,556 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 09:58:03,571 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 09:58:03,574 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 09:58:03,596 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2024-12-17 09:58:03,596 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2024-12-17 09:58:03,596 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2024-12-17 09:58:03,596 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2024-12-17 09:58:03,596 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-12-17 09:58:03,597 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-17 09:58:03,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-17 09:58:03,597 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-12-17 09:58:03,597 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-17 09:58:03,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-17 09:58:03,598 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-17 09:58:03,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-17 09:58:03,599 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 09:58:03,745 INFO L234 CfgBuilder]: Building ICFG [2024-12-17 09:58:03,748 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-17 09:58:04,539 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-17 09:58:04,540 INFO L283 CfgBuilder]: Performing block encoding [2024-12-17 09:58:08,333 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-17 09:58:08,334 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-17 09:58:08,334 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 09:58:08 BoogieIcfgContainer [2024-12-17 09:58:08,334 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-17 09:58:08,336 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-17 09:58:08,337 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-17 09:58:08,340 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-17 09:58:08,341 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.12 09:58:02" (1/3) ... [2024-12-17 09:58:08,341 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c781d0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 09:58:08, skipping insertion in model container [2024-12-17 09:58:08,341 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 09:58:03" (2/3) ... [2024-12-17 09:58:08,342 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c781d0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 09:58:08, skipping insertion in model container [2024-12-17 09:58:08,342 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 09:58:08" (3/3) ... [2024-12-17 09:58:08,343 INFO L128 eAbstractionObserver]: Analyzing ICFG stack_longer-2.i [2024-12-17 09:58:08,356 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-17 09:58:08,358 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG stack_longer-2.i that has 3 procedures, 30 locations, 1 initial locations, 2 loop locations, and 2 error locations. [2024-12-17 09:58:08,358 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-12-17 09:58:08,424 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-12-17 09:58:08,473 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-17 09:58:08,473 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-12-17 09:58:08,473 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 09:58:08,476 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 09:58:08,478 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 09:58:08,565 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-12-17 09:58:08,580 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t1Thread1of1ForFork1 ======== [2024-12-17 09:58:08,591 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;@18f8d849, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-17 09:58:08,591 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-17 09:58:08,828 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-17 09:58:08,828 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 09:58:08,828 INFO L139 ounterexampleChecker]: Examining path program with hash 1039645209, occurence #1 [2024-12-17 09:58:08,828 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 09:58:08,830 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 09:58:08,834 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 09:58:08,835 INFO L85 PathProgramCache]: Analyzing trace with hash -858411651, now seen corresponding path program 1 times [2024-12-17 09:58:08,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 09:58:08,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915997805] [2024-12-17 09:58:08,843 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 09:58:08,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 09:58:09,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 09:58:09,656 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 09:58:09,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 09:58:09,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1915997805] [2024-12-17 09:58:09,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1915997805] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 09:58:09,657 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 09:58:09,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-17 09:58:09,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275398393] [2024-12-17 09:58:09,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 09:58:09,663 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-17 09:58:09,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 09:58:09,683 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-17 09:58:09,684 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-17 09:58:09,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 09:58:09,686 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 09:58:09,687 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 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 09:58:09,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 09:58:10,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 09:58:10,120 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-17 09:58:10,120 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-17 09:58:10,120 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 09:58:10,120 INFO L139 ounterexampleChecker]: Examining path program with hash 1898228608, occurence #1 [2024-12-17 09:58:10,120 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 09:58:10,120 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 09:58:10,121 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 09:58:10,121 INFO L85 PathProgramCache]: Analyzing trace with hash -852390286, now seen corresponding path program 1 times [2024-12-17 09:58:10,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 09:58:10,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6976301] [2024-12-17 09:58:10,121 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 09:58:10,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 09:58:10,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 09:58:10,472 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 09:58:10,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 09:58:10,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6976301] [2024-12-17 09:58:10,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [6976301] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 09:58:10,473 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 09:58:10,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-17 09:58:10,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [9840569] [2024-12-17 09:58:10,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 09:58:10,475 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-17 09:58:10,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 09:58:10,477 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-17 09:58:10,477 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-17 09:58:10,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 09:58:10,478 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 09:58:10,478 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 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 09:58:10,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 09:58:10,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 09:58:10,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 09:58:10,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 09:58:10,580 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-17 09:58:10,580 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-17 09:58:10,580 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 09:58:10,581 INFO L139 ounterexampleChecker]: Examining path program with hash -1300197478, occurence #1 [2024-12-17 09:58:10,581 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 09:58:10,581 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 09:58:10,581 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 09:58:10,581 INFO L85 PathProgramCache]: Analyzing trace with hash 1806552881, now seen corresponding path program 1 times [2024-12-17 09:58:10,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 09:58:10,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491980279] [2024-12-17 09:58:10,581 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 09:58:10,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 09:58:10,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 09:58:10,936 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 09:58:10,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 09:58:10,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1491980279] [2024-12-17 09:58:10,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1491980279] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 09:58:10,936 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 09:58:10,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-17 09:58:10,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778341986] [2024-12-17 09:58:10,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 09:58:10,937 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-17 09:58:10,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 09:58:10,938 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-17 09:58:10,938 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-17 09:58:10,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 09:58:10,938 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 09:58:10,939 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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 09:58:10,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 09:58:10,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 09:58:10,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 09:58:11,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 09:58:11,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 09:58:11,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 09:58:11,015 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-17 09:58:11,015 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-17 09:58:11,015 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 09:58:11,015 INFO L139 ounterexampleChecker]: Examining path program with hash -1118055077, occurence #1 [2024-12-17 09:58:11,015 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 09:58:11,015 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 09:58:11,016 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 09:58:11,016 INFO L85 PathProgramCache]: Analyzing trace with hash -1067933597, now seen corresponding path program 1 times [2024-12-17 09:58:11,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 09:58:11,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328614687] [2024-12-17 09:58:11,016 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 09:58:11,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 09:58:11,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 09:58:11,538 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 09:58:11,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 09:58:11,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328614687] [2024-12-17 09:58:11,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1328614687] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 09:58:11,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1879271358] [2024-12-17 09:58:11,540 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 09:58:11,540 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 09:58:11,540 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 09:58:11,545 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 09:58:11,549 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 09:58:11,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 09:58:11,814 INFO L256 TraceCheckSpWp]: Trace formula consists of 967 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-17 09:58:11,822 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 09:58:11,885 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-17 09:58:12,207 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 09:58:12,207 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 09:58:12,270 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 09:58:12,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1879271358] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 09:58:12,271 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 09:58:12,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-12-17 09:58:12,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268132131] [2024-12-17 09:58:12,271 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 09:58:12,272 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-17 09:58:12,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 09:58:12,273 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-17 09:58:12,274 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-12-17 09:58:12,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 09:58:12,274 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 09:58:12,274 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.9) internal successors, (69), 10 states have internal predecessors, (69), 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 09:58:12,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 09:58:12,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 09:58:12,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 09:58:12,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 09:58:12,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 09:58:12,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 09:58:12,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 09:58:12,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-17 09:58:12,606 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 09:58:12,797 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 09:58:12,797 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-17 09:58:12,797 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 09:58:12,797 INFO L139 ounterexampleChecker]: Examining path program with hash -289913407, occurence #1 [2024-12-17 09:58:12,797 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 09:58:12,797 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 09:58:12,798 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 09:58:12,798 INFO L85 PathProgramCache]: Analyzing trace with hash 953415162, now seen corresponding path program 1 times [2024-12-17 09:58:12,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 09:58:12,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270211556] [2024-12-17 09:58:12,798 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 09:58:12,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 09:58:12,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 09:58:13,549 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 5 proven. 27 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-12-17 09:58:13,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 09:58:13,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270211556] [2024-12-17 09:58:13,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [270211556] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 09:58:13,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1658556588] [2024-12-17 09:58:13,551 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 09:58:13,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 09:58:13,551 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 09:58:13,553 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 09:58:13,557 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 09:58:13,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 09:58:13,866 INFO L256 TraceCheckSpWp]: Trace formula consists of 1184 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-17 09:58:13,875 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 09:58:13,906 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-17 09:58:13,968 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-17 09:58:14,041 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-17 09:58:14,105 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 5 proven. 27 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-12-17 09:58:14,105 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 09:58:14,405 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 5 proven. 27 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-12-17 09:58:14,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1658556588] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 09:58:14,405 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 09:58:14,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 14 [2024-12-17 09:58:14,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973335966] [2024-12-17 09:58:14,406 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 09:58:14,406 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-12-17 09:58:14,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 09:58:14,407 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-12-17 09:58:14,407 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182 [2024-12-17 09:58:14,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 09:58:14,408 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 09:58:14,408 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 6.285714285714286) internal successors, (88), 14 states have internal predecessors, (88), 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 09:58:14,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 09:58:14,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 09:58:14,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 09:58:14,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-17 09:58:14,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 09:58:15,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 09:58:15,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 09:58:15,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 09:58:15,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-17 09:58:15,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-12-17 09:58:15,010 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-12-17 09:58:15,204 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 09:58:15,205 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-17 09:58:15,205 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 09:58:15,205 INFO L139 ounterexampleChecker]: Examining path program with hash -289913407, occurence #2 [2024-12-17 09:58:15,205 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 09:58:15,205 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2024-12-17 09:58:15,217 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 09:58:15,217 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2024-12-17 09:58:15,217 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 09:58:15,217 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2024-12-17 09:58:15,217 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:58:15,217 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 61 [2024-12-17 09:58:15,254 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:58:15,254 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 84 [2024-12-17 09:58:15,254 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:58:15,255 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 90 [2024-12-17 09:58:15,255 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:58:15,255 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 96 [2024-12-17 09:58:15,255 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:58:15,255 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 102 [2024-12-17 09:58:15,255 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:58:15,255 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 108 [2024-12-17 09:58:15,255 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:58:15,255 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 114 [2024-12-17 09:58:15,255 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:58:15,255 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 120 [2024-12-17 09:58:15,255 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:58:15,255 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 126 [2024-12-17 09:58:15,255 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:58:15,255 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 09:58:15,255 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 09:58:15,256 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 09:58:15,256 INFO L85 PathProgramCache]: Analyzing trace with hash 1403899351, now seen corresponding path program 2 times [2024-12-17 09:58:15,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 09:58:15,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571577875] [2024-12-17 09:58:15,256 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-17 09:58:15,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 09:58:15,413 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-17 09:58:15,413 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 09:58:16,776 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 9 proven. 192 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2024-12-17 09:58:16,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 09:58:16,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1571577875] [2024-12-17 09:58:16,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1571577875] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 09:58:16,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1411666985] [2024-12-17 09:58:16,777 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-17 09:58:16,777 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 09:58:16,777 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 09:58:16,780 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 09:58:16,782 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 09:58:17,126 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-17 09:58:17,126 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 09:58:17,133 INFO L256 TraceCheckSpWp]: Trace formula consists of 1411 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-17 09:58:17,143 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 09:58:17,175 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-17 09:58:17,226 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-17 09:58:17,324 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-17 09:58:17,381 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-17 09:58:17,434 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-17 09:58:17,489 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-17 09:58:17,553 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-17 09:58:17,617 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-17 09:58:17,678 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-17 09:58:17,732 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-17 09:58:17,797 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 66 proven. 195 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-12-17 09:58:17,797 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 09:58:18,729 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 9 proven. 192 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2024-12-17 09:58:18,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1411666985] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 09:58:18,730 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 09:58:18,730 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 15, 12] total 32 [2024-12-17 09:58:18,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092661250] [2024-12-17 09:58:18,730 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 09:58:18,734 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-12-17 09:58:18,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 09:58:18,735 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-12-17 09:58:18,736 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=378, Invalid=614, Unknown=0, NotChecked=0, Total=992 [2024-12-17 09:58:18,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 09:58:18,736 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 09:58:18,736 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 6.28125) internal successors, (201), 32 states have internal predecessors, (201), 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 09:58:18,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 09:58:18,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 09:58:18,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 09:58:18,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-17 09:58:18,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-12-17 09:58:18,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 09:58:20,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 09:58:20,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 09:58:20,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 09:58:20,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-17 09:58:20,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-12-17 09:58:20,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2024-12-17 09:58:20,376 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-12-17 09:58:20,568 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 09:58:20,569 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-17 09:58:20,569 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 09:58:20,569 INFO L139 ounterexampleChecker]: Examining path program with hash -289913407, occurence #3 [2024-12-17 09:58:20,569 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 09:58:20,569 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2024-12-17 09:58:20,569 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 09:58:20,569 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2024-12-17 09:58:20,569 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 09:58:20,569 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2024-12-17 09:58:20,569 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:58:20,570 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 145 [2024-12-17 09:58:20,600 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:58:20,600 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 168 [2024-12-17 09:58:20,600 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:58:20,601 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 174 [2024-12-17 09:58:20,601 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:58:20,601 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 180 [2024-12-17 09:58:20,601 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:58:20,601 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 186 [2024-12-17 09:58:20,601 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:58:20,601 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 192 [2024-12-17 09:58:20,601 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:58:20,601 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 198 [2024-12-17 09:58:20,601 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:58:20,601 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 204 [2024-12-17 09:58:20,601 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:58:20,601 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 210 [2024-12-17 09:58:20,601 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:58:20,601 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 216 [2024-12-17 09:58:20,601 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:58:20,601 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 222 [2024-12-17 09:58:20,601 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:58:20,601 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 228 [2024-12-17 09:58:20,601 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:58:20,601 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 234 [2024-12-17 09:58:20,601 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:58:20,601 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 240 [2024-12-17 09:58:20,602 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:58:20,602 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 246 [2024-12-17 09:58:20,602 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:58:20,602 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 252 [2024-12-17 09:58:20,602 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:58:20,602 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 258 [2024-12-17 09:58:20,602 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:58:20,602 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 264 [2024-12-17 09:58:20,602 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:58:20,602 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 270 [2024-12-17 09:58:20,602 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:58:20,602 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 09:58:20,602 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 09:58:20,603 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 09:58:20,603 INFO L85 PathProgramCache]: Analyzing trace with hash -780054126, now seen corresponding path program 3 times [2024-12-17 09:58:20,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 09:58:20,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592974454] [2024-12-17 09:58:20,603 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-17 09:58:20,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 09:58:21,786 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 13 check-sat command(s) [2024-12-17 09:58:21,787 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 09:58:25,339 INFO L134 CoverageAnalysis]: Checked inductivity of 1800 backedges. 269 proven. 539 refuted. 0 times theorem prover too weak. 992 trivial. 0 not checked. [2024-12-17 09:58:25,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 09:58:25,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1592974454] [2024-12-17 09:58:25,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1592974454] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 09:58:25,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2104849768] [2024-12-17 09:58:25,340 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-17 09:58:25,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 09:58:25,340 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 09:58:25,343 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 09:58:25,345 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 09:58:39,516 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 13 check-sat command(s) [2024-12-17 09:58:39,516 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 09:58:39,530 INFO L256 TraceCheckSpWp]: Trace formula consists of 1841 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-12-17 09:58:39,552 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 09:58:39,592 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-17 09:58:39,680 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-17 09:58:39,718 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-17 09:58:39,758 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-17 09:58:39,787 INFO L134 CoverageAnalysis]: Checked inductivity of 1800 backedges. 385 proven. 66 refuted. 0 times theorem prover too weak. 1349 trivial. 0 not checked. [2024-12-17 09:58:39,788 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 09:58:40,759 INFO L134 CoverageAnalysis]: Checked inductivity of 1800 backedges. 855 proven. 9 refuted. 0 times theorem prover too weak. 936 trivial. 0 not checked. [2024-12-17 09:58:40,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2104849768] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 09:58:40,760 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 09:58:40,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 8, 17] total 43 [2024-12-17 09:58:40,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140118990] [2024-12-17 09:58:40,761 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 09:58:40,762 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2024-12-17 09:58:40,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 09:58:40,763 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2024-12-17 09:58:40,764 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=605, Invalid=1201, Unknown=0, NotChecked=0, Total=1806 [2024-12-17 09:58:40,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 09:58:40,765 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 09:58:40,765 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 8.488372093023257) internal successors, (365), 43 states have internal predecessors, (365), 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 09:58:40,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 09:58:40,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 09:58:40,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 09:58:40,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-17 09:58:40,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-12-17 09:58:40,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2024-12-17 09:58:40,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 09:58:41,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 09:58:41,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 09:58:41,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 09:58:41,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-17 09:58:41,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-12-17 09:58:41,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2024-12-17 09:58:41,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-17 09:58:41,593 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 09:58:41,772 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 09:58:41,772 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-17 09:58:41,772 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 09:58:41,773 INFO L139 ounterexampleChecker]: Examining path program with hash -1055837106, occurence #1 [2024-12-17 09:58:41,773 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 09:58:41,773 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 09:58:41,773 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 09:58:41,774 INFO L85 PathProgramCache]: Analyzing trace with hash -1303941790, now seen corresponding path program 4 times [2024-12-17 09:58:41,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 09:58:41,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23442633] [2024-12-17 09:58:41,774 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-17 09:58:41,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 09:58:42,764 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-17 09:58:42,768 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 09:58:54,496 INFO L134 CoverageAnalysis]: Checked inductivity of 1888 backedges. 479 proven. 1260 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2024-12-17 09:58:54,496 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 09:58:54,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23442633] [2024-12-17 09:58:54,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [23442633] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 09:58:54,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1298924829] [2024-12-17 09:58:54,497 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-17 09:58:54,497 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 09:58:54,497 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 09:58:54,499 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 09:58:54,516 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 09:58:55,186 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-17 09:58:55,186 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 09:58:55,197 INFO L256 TraceCheckSpWp]: Trace formula consists of 2354 conjuncts, 87 conjuncts are in the unsatisfiable core [2024-12-17 09:58:55,224 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 09:58:55,241 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-17 09:58:55,300 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-17 09:58:55,344 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-17 09:58:55,461 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-17 09:58:55,529 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-17 09:58:55,562 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-17 09:58:55,679 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-17 09:58:55,720 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-17 09:58:55,833 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-17 09:58:55,904 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-17 09:58:55,936 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-17 09:58:55,972 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-17 09:58:56,021 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-17 09:58:56,132 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-17 09:58:56,249 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-17 09:58:56,332 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-17 09:58:56,365 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-17 09:58:56,427 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-17 09:58:56,457 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-17 09:58:56,654 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 19 [2024-12-17 09:58:56,694 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-17 09:58:56,735 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-17 09:58:56,774 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-17 09:58:56,810 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-17 09:58:56,843 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-17 09:58:56,872 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-17 09:58:56,905 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-17 09:58:56,940 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-17 09:58:56,975 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-17 09:58:57,027 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-17 09:58:57,069 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-17 09:58:57,115 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-17 09:58:57,159 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-17 09:58:57,203 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-17 09:58:57,238 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-17 09:58:57,276 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-17 09:58:57,337 INFO L134 CoverageAnalysis]: Checked inductivity of 1888 backedges. 21 proven. 1767 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-12-17 09:58:57,337 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 09:58:58,248 INFO L134 CoverageAnalysis]: Checked inductivity of 1888 backedges. 427 proven. 1106 refuted. 0 times theorem prover too weak. 355 trivial. 0 not checked. [2024-12-17 09:58:58,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1298924829] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 09:58:58,249 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 09:58:58,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 39, 24] total 94 [2024-12-17 09:58:58,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489072665] [2024-12-17 09:58:58,249 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 09:58:58,250 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 94 states [2024-12-17 09:58:58,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 09:58:58,252 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 94 interpolants. [2024-12-17 09:58:58,255 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2608, Invalid=6134, Unknown=0, NotChecked=0, Total=8742 [2024-12-17 09:58:58,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 09:58:58,256 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 09:58:58,256 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 94 states, 94 states have (on average 6.329787234042553) internal successors, (595), 94 states have internal predecessors, (595), 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 09:58:58,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 09:58:58,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 09:58:58,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 09:58:58,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-17 09:58:58,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-12-17 09:58:58,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2024-12-17 09:58:58,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-17 09:58:58,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 09:59:03,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 09:59:03,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 09:59:03,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 09:59:03,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-17 09:59:03,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-12-17 09:59:03,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2024-12-17 09:59:03,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-17 09:59:03,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2024-12-17 09:59:03,632 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 09:59:03,821 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 09:59:03,821 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-17 09:59:03,821 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 09:59:03,822 INFO L139 ounterexampleChecker]: Examining path program with hash -1055837106, occurence #2 [2024-12-17 09:59:03,822 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 09:59:03,823 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2024-12-17 09:59:03,823 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 09:59:03,823 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2024-12-17 09:59:03,823 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 09:59:03,823 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2024-12-17 09:59:03,823 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:59:03,823 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 31 [2024-12-17 09:59:03,846 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:59:03,847 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-12-17 09:59:03,847 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:59:03,847 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 43 [2024-12-17 09:59:03,847 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:59:03,847 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 56 [2024-12-17 09:59:03,847 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:59:03,847 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 64 [2024-12-17 09:59:03,874 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:59:03,874 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 81 [2024-12-17 09:59:03,874 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:59:03,874 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 95 [2024-12-17 09:59:03,905 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:59:03,905 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 99 [2024-12-17 09:59:03,905 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:59:03,905 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 107 [2024-12-17 09:59:03,905 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:59:03,905 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 120 [2024-12-17 09:59:03,905 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:59:03,905 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 128 [2024-12-17 09:59:03,905 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:59:03,905 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 129 [2024-12-17 09:59:03,938 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:59:03,938 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 148 [2024-12-17 09:59:03,938 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:59:03,939 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 153 [2024-12-17 09:59:03,971 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:59:03,971 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 157 [2024-12-17 09:59:03,971 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:59:03,971 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 165 [2024-12-17 09:59:03,971 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:59:03,972 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 178 [2024-12-17 09:59:03,972 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:59:03,972 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 186 [2024-12-17 09:59:03,972 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:59:03,972 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 187 [2024-12-17 09:59:04,004 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:59:04,005 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 206 [2024-12-17 09:59:04,005 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:59:04,005 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 211 [2024-12-17 09:59:04,027 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:59:04,028 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 215 [2024-12-17 09:59:04,028 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:59:04,028 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 223 [2024-12-17 09:59:04,028 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:59:04,028 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 236 [2024-12-17 09:59:04,028 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:59:04,028 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 244 [2024-12-17 09:59:04,028 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:59:04,028 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 245 [2024-12-17 09:59:04,051 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:59:04,051 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 257 [2024-12-17 09:59:04,051 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:59:04,051 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 259 [2024-12-17 09:59:04,051 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:59:04,051 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 264 [2024-12-17 09:59:04,073 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:59:04,073 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 283 [2024-12-17 09:59:04,073 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:59:04,073 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 289 [2024-12-17 09:59:04,073 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:59:04,073 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 295 [2024-12-17 09:59:04,073 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:59:04,073 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 300 [2024-12-17 09:59:04,099 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:59:04,099 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 304 [2024-12-17 09:59:04,099 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:59:04,099 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 312 [2024-12-17 09:59:04,099 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:59:04,099 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 325 [2024-12-17 09:59:04,099 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:59:04,099 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 333 [2024-12-17 09:59:04,100 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:59:04,100 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 334 [2024-12-17 09:59:04,122 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:59:04,122 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 339 [2024-12-17 09:59:04,122 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:59:04,122 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 345 [2024-12-17 09:59:04,122 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:59:04,122 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 351 [2024-12-17 09:59:04,122 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:59:04,122 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 357 [2024-12-17 09:59:04,122 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:59:04,123 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 363 [2024-12-17 09:59:04,123 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:59:04,123 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 369 [2024-12-17 09:59:04,123 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:59:04,123 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 375 [2024-12-17 09:59:04,123 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:59:04,123 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 381 [2024-12-17 09:59:04,123 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:59:04,123 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 387 [2024-12-17 09:59:04,123 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:59:04,123 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 393 [2024-12-17 09:59:04,123 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:59:04,123 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 399 [2024-12-17 09:59:04,123 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:59:04,123 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 405 [2024-12-17 09:59:04,123 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:59:04,123 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 411 [2024-12-17 09:59:04,123 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:59:04,123 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 417 [2024-12-17 09:59:04,123 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:59:04,123 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 423 [2024-12-17 09:59:04,123 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:59:04,123 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 429 [2024-12-17 09:59:04,124 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:59:04,124 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 435 [2024-12-17 09:59:04,124 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:59:04,124 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 441 [2024-12-17 09:59:04,124 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:59:04,124 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 447 [2024-12-17 09:59:04,124 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:59:04,124 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 453 [2024-12-17 09:59:04,124 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:59:04,124 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 459 [2024-12-17 09:59:04,124 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:59:04,124 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 465 [2024-12-17 09:59:04,124 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:59:04,124 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 471 [2024-12-17 09:59:04,124 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:59:04,124 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 477 [2024-12-17 09:59:04,124 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:59:04,124 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 483 [2024-12-17 09:59:04,124 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:59:04,124 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 489 [2024-12-17 09:59:04,124 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:59:04,124 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 495 [2024-12-17 09:59:04,125 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:59:04,125 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 501 [2024-12-17 09:59:04,125 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:59:04,125 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 507 [2024-12-17 09:59:04,125 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:59:04,125 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 513 [2024-12-17 09:59:04,125 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:59:04,125 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 519 [2024-12-17 09:59:04,125 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:59:04,125 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 525 [2024-12-17 09:59:04,125 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:59:04,125 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 531 [2024-12-17 09:59:04,125 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:59:04,126 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 537 [2024-12-17 09:59:04,126 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:59:04,126 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 543 [2024-12-17 09:59:04,126 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:59:04,126 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 09:59:04,126 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 09:59:04,127 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 09:59:04,127 INFO L85 PathProgramCache]: Analyzing trace with hash 296226934, now seen corresponding path program 5 times [2024-12-17 09:59:04,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 09:59:04,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498795498] [2024-12-17 09:59:04,127 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-17 09:59:04,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 09:59:07,754 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 32 check-sat command(s) [2024-12-17 09:59:07,754 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 09:59:16,472 INFO L134 CoverageAnalysis]: Checked inductivity of 5257 backedges. 949 proven. 668 refuted. 0 times theorem prover too weak. 3640 trivial. 0 not checked. [2024-12-17 09:59:16,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 09:59:16,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498795498] [2024-12-17 09:59:16,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1498795498] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 09:59:16,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [676296751] [2024-12-17 09:59:16,472 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-17 09:59:16,472 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 09:59:16,472 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 09:59:16,474 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 09:59:16,475 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 Killed by 15