./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread/stack_longer-1.i --full-output --traceabstraction.commutativity.condition.synthesis SUFFICIENT -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1c4755c5 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../../../trunk/examples/svcomp/pthread/stack_longer-1.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4351dece6a672e511bbcb86915e62fc8a7361763ad7ab88f2e640b2d00ea50a7 --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 09:48:54,037 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-17 09:48:54,077 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-12-17 09:48:54,080 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-17 09:48:54,080 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-17 09:48:54,102 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-17 09:48:54,104 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-17 09:48:54,105 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-17 09:48:54,105 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-17 09:48:54,106 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-17 09:48:54,107 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-17 09:48:54,107 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-17 09:48:54,107 INFO L153 SettingsManager]: * Use SBE=true [2024-12-17 09:48:54,107 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-17 09:48:54,107 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-17 09:48:54,108 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-17 09:48:54,108 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-17 09:48:54,108 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-17 09:48:54,108 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-17 09:48:54,108 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-17 09:48:54,108 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-17 09:48:54,108 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-17 09:48:54,108 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-17 09:48:54,108 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-17 09:48:54,108 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-17 09:48:54,108 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-17 09:48:54,109 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-17 09:48:54,109 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-17 09:48:54,109 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-17 09:48:54,109 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-17 09:48:54,109 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-12-17 09:48:54,109 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-17 09:48:54,109 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-17 09:48:54,109 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-17 09:48:54,109 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2024-12-17 09:48:54,109 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-17 09:48:54,110 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-17 09:48:54,110 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-12-17 09:48:54,110 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-17 09:48:54,110 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-17 09:48:54,110 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-12-17 09:48:54,110 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-12-17 09:48:54,110 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-12-17 09:48:54,110 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 -> 4351dece6a672e511bbcb86915e62fc8a7361763ad7ab88f2e640b2d00ea50a7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Commutativity condition synthesis -> SUFFICIENT [2024-12-17 09:48:54,363 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-17 09:48:54,373 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-17 09:48:54,375 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-17 09:48:54,376 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-17 09:48:54,376 INFO L274 PluginConnector]: CDTParser initialized [2024-12-17 09:48:54,377 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread/stack_longer-1.i [2024-12-17 09:48:55,568 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/faebc9ac6/e569cd023e0d4051a4c1ae2e0cf704fe/FLAGdec436b43 [2024-12-17 09:48:55,903 INFO L384 CDTParser]: Found 1 translation units. [2024-12-17 09:48:55,904 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/trunk/examples/svcomp/pthread/stack_longer-1.i [2024-12-17 09:48:55,916 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/faebc9ac6/e569cd023e0d4051a4c1ae2e0cf704fe/FLAGdec436b43 [2024-12-17 09:48:56,128 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/faebc9ac6/e569cd023e0d4051a4c1ae2e0cf704fe [2024-12-17 09:48:56,130 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-17 09:48:56,131 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-17 09:48:56,132 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-17 09:48:56,132 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-17 09:48:56,135 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-17 09:48:56,136 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 09:48:56" (1/1) ... [2024-12-17 09:48:56,137 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27660c9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 09:48:56, skipping insertion in model container [2024-12-17 09:48:56,137 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 09:48:56" (1/1) ... [2024-12-17 09:48:56,165 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-17 09:48:56,463 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-1.i[41527,41540] [2024-12-17 09:48:56,481 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-17 09:48:56,498 INFO L200 MainTranslator]: Completed pre-run [2024-12-17 09:48:56,542 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-1.i[41527,41540] [2024-12-17 09:48:56,547 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-17 09:48:56,632 INFO L204 MainTranslator]: Completed translation [2024-12-17 09:48:56,632 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 09:48:56 WrapperNode [2024-12-17 09:48:56,633 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-17 09:48:56,633 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-17 09:48:56,634 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-17 09:48:56,634 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-17 09:48:56,638 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 09:48:56" (1/1) ... [2024-12-17 09:48:56,651 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 09:48:56" (1/1) ... [2024-12-17 09:48:56,688 INFO L138 Inliner]: procedures = 277, calls = 431, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 546 [2024-12-17 09:48:56,688 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-17 09:48:56,689 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-17 09:48:56,689 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-17 09:48:56,689 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-17 09:48:56,695 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 09:48:56" (1/1) ... [2024-12-17 09:48:56,695 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 09:48:56" (1/1) ... [2024-12-17 09:48:56,700 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 09:48:56" (1/1) ... [2024-12-17 09:48:56,700 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 09:48:56" (1/1) ... [2024-12-17 09:48:56,719 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 09:48:56" (1/1) ... [2024-12-17 09:48:56,720 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 09:48:56" (1/1) ... [2024-12-17 09:48:56,723 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 09:48:56" (1/1) ... [2024-12-17 09:48:56,725 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 09:48:56" (1/1) ... [2024-12-17 09:48:56,727 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 09:48:56" (1/1) ... [2024-12-17 09:48:56,730 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-17 09:48:56,731 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-17 09:48:56,731 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-17 09:48:56,731 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-17 09:48:56,732 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 09:48:56" (1/1) ... [2024-12-17 09:48:56,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-12-17 09:48:56,750 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 09:48:56,762 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 09:48:56,765 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 09:48:56,782 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2024-12-17 09:48:56,782 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2024-12-17 09:48:56,782 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2024-12-17 09:48:56,782 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2024-12-17 09:48:56,782 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-12-17 09:48:56,783 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-17 09:48:56,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-17 09:48:56,783 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-12-17 09:48:56,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-17 09:48:56,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-17 09:48:56,783 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-17 09:48:56,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-17 09:48:56,784 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 09:48:56,876 INFO L234 CfgBuilder]: Building ICFG [2024-12-17 09:48:56,877 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-17 09:48:57,444 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-17 09:48:57,445 INFO L283 CfgBuilder]: Performing block encoding [2024-12-17 09:49:00,794 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-17 09:49:00,794 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-17 09:49:00,794 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 09:49:00 BoogieIcfgContainer [2024-12-17 09:49:00,794 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-17 09:49:00,796 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-17 09:49:00,796 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-17 09:49:00,799 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-17 09:49:00,799 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.12 09:48:56" (1/3) ... [2024-12-17 09:49:00,800 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d30e0f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 09:49:00, skipping insertion in model container [2024-12-17 09:49:00,800 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 09:48:56" (2/3) ... [2024-12-17 09:49:00,800 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d30e0f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 09:49:00, skipping insertion in model container [2024-12-17 09:49:00,800 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 09:49:00" (3/3) ... [2024-12-17 09:49:00,801 INFO L128 eAbstractionObserver]: Analyzing ICFG stack_longer-1.i [2024-12-17 09:49:00,812 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-17 09:49:00,813 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG stack_longer-1.i that has 3 procedures, 31 locations, 1 initial locations, 2 loop locations, and 2 error locations. [2024-12-17 09:49:00,814 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-12-17 09:49:00,855 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-12-17 09:49:00,893 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-17 09:49:00,895 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-12-17 09:49:00,895 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 09:49:00,897 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 09:49:00,900 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 09:49:00,968 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-12-17 09:49:00,981 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t1Thread1of1ForFork1 ======== [2024-12-17 09:49:00,986 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;@49a69632, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-17 09:49:00,988 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-17 09:49:01,597 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-17 09:49:01,598 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 09:49:01,599 INFO L139 ounterexampleChecker]: Examining path program with hash 1570507689, occurence #1 [2024-12-17 09:49:01,599 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 09:49:01,599 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 09:49:01,603 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 09:49:01,603 INFO L85 PathProgramCache]: Analyzing trace with hash 1324303931, now seen corresponding path program 1 times [2024-12-17 09:49:01,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 09:49:01,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432130639] [2024-12-17 09:49:01,610 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 09:49:01,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 09:49:01,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 09:49:02,159 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 09:49:02,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 09:49:02,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1432130639] [2024-12-17 09:49:02,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1432130639] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 09:49:02,161 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 09:49:02,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-17 09:49:02,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106225461] [2024-12-17 09:49:02,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 09:49:02,165 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-17 09:49:02,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 09:49:02,179 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-17 09:49:02,179 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-17 09:49:02,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 09:49:02,181 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 09:49:02,182 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 09:49:02,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 09:49:02,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 09:49:02,573 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-17 09:49:02,573 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-17 09:49:02,573 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 09:49:02,574 INFO L139 ounterexampleChecker]: Examining path program with hash 756921851, occurence #1 [2024-12-17 09:49:02,574 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 09:49:02,574 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 09:49:02,574 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 09:49:02,574 INFO L85 PathProgramCache]: Analyzing trace with hash -1069721770, now seen corresponding path program 1 times [2024-12-17 09:49:02,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 09:49:02,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796763827] [2024-12-17 09:49:02,574 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 09:49:02,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 09:49:02,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 09:49:02,842 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 09:49:02,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 09:49:02,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796763827] [2024-12-17 09:49:02,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [796763827] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 09:49:02,843 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 09:49:02,843 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-17 09:49:02,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332402320] [2024-12-17 09:49:02,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 09:49:02,844 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-17 09:49:02,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 09:49:02,845 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-17 09:49:02,845 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-17 09:49:02,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 09:49:02,846 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 09:49:02,846 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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 09:49:02,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 09:49:02,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 09:49:02,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 09:49:02,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 09:49:02,928 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-17 09:49:02,929 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-17 09:49:02,929 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 09:49:02,929 INFO L139 ounterexampleChecker]: Examining path program with hash 1275677073, occurence #1 [2024-12-17 09:49:02,929 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 09:49:02,929 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 09:49:02,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 09:49:02,929 INFO L85 PathProgramCache]: Analyzing trace with hash 1589221397, now seen corresponding path program 1 times [2024-12-17 09:49:02,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 09:49:02,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129571296] [2024-12-17 09:49:02,929 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 09:49:02,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 09:49:02,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 09:49:03,159 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 09:49:03,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 09:49:03,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1129571296] [2024-12-17 09:49:03,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1129571296] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 09:49:03,160 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 09:49:03,160 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-17 09:49:03,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893674743] [2024-12-17 09:49:03,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 09:49:03,160 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-17 09:49:03,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 09:49:03,160 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-17 09:49:03,160 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-17 09:49:03,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 09:49:03,160 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 09:49:03,161 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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 09:49:03,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 09:49:03,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 09:49:03,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 09:49:03,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 09:49:03,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 09:49:03,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 09:49:03,214 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-17 09:49:03,214 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-17 09:49:03,214 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 09:49:03,214 INFO L139 ounterexampleChecker]: Examining path program with hash -230702753, occurence #1 [2024-12-17 09:49:03,214 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 09:49:03,214 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 09:49:03,214 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 09:49:03,214 INFO L85 PathProgramCache]: Analyzing trace with hash 813354157, now seen corresponding path program 1 times [2024-12-17 09:49:03,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 09:49:03,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375488209] [2024-12-17 09:49:03,215 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 09:49:03,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 09:49:03,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 09:49:03,605 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 09:49:03,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 09:49:03,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375488209] [2024-12-17 09:49:03,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1375488209] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 09:49:03,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1094770384] [2024-12-17 09:49:03,606 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 09:49:03,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 09:49:03,606 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 09:49:03,611 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 09:49:03,612 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 09:49:03,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 09:49:03,828 INFO L256 TraceCheckSpWp]: Trace formula consists of 971 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-17 09:49:03,834 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 09:49:03,874 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 09:49:04,039 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 09:49:04,039 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 09:49:04,100 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 09:49:04,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1094770384] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 09:49:04,100 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 09:49:04,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-12-17 09:49:04,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290160729] [2024-12-17 09:49:04,100 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 09:49:04,101 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-17 09:49:04,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 09:49:04,103 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-17 09:49:04,104 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2024-12-17 09:49:04,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 09:49:04,104 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 09:49:04,104 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.5) internal successors, (65), 10 states have internal predecessors, (65), 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 09:49:04,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 09:49:04,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 09:49:04,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 09:49:04,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 09:49:04,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 09:49:04,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 09:49:04,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 09:49:04,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-17 09:49:04,365 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 09:49:04,560 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 09:49:04,561 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-17 09:49:04,561 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 09:49:04,562 INFO L139 ounterexampleChecker]: Examining path program with hash 264998807, occurence #1 [2024-12-17 09:49:04,562 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 09:49:04,562 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 09:49:04,562 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 09:49:04,562 INFO L85 PathProgramCache]: Analyzing trace with hash -2040038710, now seen corresponding path program 2 times [2024-12-17 09:49:04,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 09:49:04,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374831337] [2024-12-17 09:49:04,562 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-17 09:49:04,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 09:49:04,647 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-17 09:49:04,647 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 09:49:05,322 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-17 09:49:05,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 09:49:05,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [374831337] [2024-12-17 09:49:05,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [374831337] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 09:49:05,322 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 09:49:05,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-17 09:49:05,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617121956] [2024-12-17 09:49:05,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 09:49:05,323 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-17 09:49:05,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 09:49:05,323 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-17 09:49:05,323 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-17 09:49:05,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 09:49:05,323 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 09:49:05,323 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 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 09:49:05,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 09:49:05,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 09:49:05,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 09:49:05,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-17 09:49:05,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 09:49:05,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 09:49:05,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 09:49:05,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 09:49:05,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-17 09:49:05,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 09:49:05,426 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-17 09:49:05,426 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-17 09:49:05,426 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 09:49:05,426 INFO L139 ounterexampleChecker]: Examining path program with hash 35810137, occurence #1 [2024-12-17 09:49:05,426 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 09:49:05,426 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 09:49:05,427 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 09:49:05,427 INFO L85 PathProgramCache]: Analyzing trace with hash -1276027811, now seen corresponding path program 1 times [2024-12-17 09:49:05,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 09:49:05,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155080815] [2024-12-17 09:49:05,427 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 09:49:05,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 09:49:05,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 09:49:06,126 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 09:49:06,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 09:49:06,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155080815] [2024-12-17 09:49:06,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [155080815] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 09:49:06,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1639779123] [2024-12-17 09:49:06,127 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 09:49:06,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 09:49:06,127 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 09:49:06,130 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 09:49:06,131 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 09:49:06,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 09:49:06,318 INFO L256 TraceCheckSpWp]: Trace formula consists of 1056 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-17 09:49:06,323 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 09:49:06,342 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 09:49:06,502 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 28 treesize of output 15 [2024-12-17 09:49:06,525 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 09:49:06,552 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 09:49:06,583 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 09:49:06,584 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 09:49:06,943 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 9 treesize of output 1 [2024-12-17 09:49:06,948 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 14 treesize of output 5 [2024-12-17 09:49:06,986 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 09:49:06,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1639779123] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 09:49:06,986 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 09:49:06,986 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 17 [2024-12-17 09:49:06,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104083436] [2024-12-17 09:49:06,986 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 09:49:06,987 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-12-17 09:49:06,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 09:49:06,987 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-12-17 09:49:06,988 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=189, Unknown=0, NotChecked=0, Total=306 [2024-12-17 09:49:06,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 09:49:06,988 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 09:49:06,988 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 6.611111111111111) internal successors, (119), 17 states have internal predecessors, (119), 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 09:49:06,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 09:49:06,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 09:49:06,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 09:49:06,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-17 09:49:06,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 09:49:06,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 09:49:07,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 09:49:07,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 09:49:07,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 09:49:07,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-17 09:49:07,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 09:49:07,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-17 09:49:07,274 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 09:49:07,466 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 09:49:07,467 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-17 09:49:07,467 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 09:49:07,468 INFO L139 ounterexampleChecker]: Examining path program with hash 35810137, occurence #2 [2024-12-17 09:49:07,468 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 09:49:07,469 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2024-12-17 09:49:07,480 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 09:49:07,480 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2024-12-17 09:49:07,480 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 09:49:07,480 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2024-12-17 09:49:07,480 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:07,480 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2024-12-17 09:49:07,481 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:07,481 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-12-17 09:49:07,481 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:07,481 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2024-12-17 09:49:07,481 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:07,482 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 47 [2024-12-17 09:49:07,482 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:07,482 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2024-12-17 09:49:07,482 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:07,482 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 61 [2024-12-17 09:49:07,482 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:07,482 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2024-12-17 09:49:07,482 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:07,482 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2024-12-17 09:49:07,482 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:07,482 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 09:49:07,482 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 09:49:07,483 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 09:49:07,483 INFO L85 PathProgramCache]: Analyzing trace with hash -728143014, now seen corresponding path program 2 times [2024-12-17 09:49:07,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 09:49:07,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430735476] [2024-12-17 09:49:07,483 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-17 09:49:07,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 09:49:07,562 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-17 09:49:07,562 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 09:49:08,491 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 220 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 09:49:08,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 09:49:08,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430735476] [2024-12-17 09:49:08,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [430735476] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 09:49:08,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [109639749] [2024-12-17 09:49:08,493 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-17 09:49:08,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 09:49:08,493 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 09:49:08,496 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 09:49:08,499 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 09:49:08,760 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-17 09:49:08,760 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 09:49:08,766 INFO L256 TraceCheckSpWp]: Trace formula consists of 1201 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-17 09:49:08,776 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 09:49:08,795 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 09:49:08,896 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 28 treesize of output 15 [2024-12-17 09:49:08,921 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 09:49:09,038 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 09:49:09,067 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 09:49:09,093 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 09:49:09,121 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 09:49:09,150 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 09:49:09,181 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 09:49:09,208 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 220 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 09:49:09,208 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 09:49:10,146 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 9 treesize of output 1 [2024-12-17 09:49:10,158 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 14 treesize of output 5 [2024-12-17 09:49:10,257 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 220 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 09:49:10,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [109639749] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 09:49:10,257 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 09:49:10,257 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 12, 12] total 32 [2024-12-17 09:49:10,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745384162] [2024-12-17 09:49:10,257 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 09:49:10,258 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-12-17 09:49:10,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 09:49:10,259 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-12-17 09:49:10,259 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=369, Invalid=687, Unknown=0, NotChecked=0, Total=1056 [2024-12-17 09:49:10,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 09:49:10,259 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 09:49:10,259 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 6.484848484848484) internal successors, (214), 32 states have internal predecessors, (214), 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 09:49:10,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 09:49:10,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 09:49:10,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 09:49:10,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-17 09:49:10,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 09:49:10,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-12-17 09:49:10,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 09:49:10,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 09:49:10,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 09:49:10,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 09:49:10,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-17 09:49:10,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 09:49:10,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-17 09:49:10,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-12-17 09:49:10,971 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-12-17 09:49:11,161 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 09:49:11,161 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-17 09:49:11,161 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 09:49:11,162 INFO L139 ounterexampleChecker]: Examining path program with hash 35810137, occurence #3 [2024-12-17 09:49:11,162 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 09:49:11,162 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2024-12-17 09:49:11,162 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 09:49:11,162 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2024-12-17 09:49:11,162 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 09:49:11,162 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2024-12-17 09:49:11,162 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:11,162 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2024-12-17 09:49:11,162 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:11,163 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-12-17 09:49:11,163 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:11,163 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2024-12-17 09:49:11,163 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:11,163 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 47 [2024-12-17 09:49:11,163 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:11,163 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2024-12-17 09:49:11,163 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:11,163 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 61 [2024-12-17 09:49:11,163 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:11,163 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2024-12-17 09:49:11,163 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:11,163 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2024-12-17 09:49:11,163 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:11,163 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 82 [2024-12-17 09:49:11,164 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:11,164 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 89 [2024-12-17 09:49:11,164 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:11,164 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 96 [2024-12-17 09:49:11,164 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:11,164 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 103 [2024-12-17 09:49:11,164 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:11,164 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 110 [2024-12-17 09:49:11,164 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:11,164 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 117 [2024-12-17 09:49:11,164 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:11,164 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 124 [2024-12-17 09:49:11,164 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:11,164 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 131 [2024-12-17 09:49:11,164 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:11,164 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 138 [2024-12-17 09:49:11,164 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:11,164 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 145 [2024-12-17 09:49:11,164 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:11,164 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 09:49:11,164 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 09:49:11,164 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 09:49:11,164 INFO L85 PathProgramCache]: Analyzing trace with hash -1289287558, now seen corresponding path program 3 times [2024-12-17 09:49:11,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 09:49:11,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378424902] [2024-12-17 09:49:11,165 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-17 09:49:11,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 09:49:11,855 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 19 check-sat command(s) [2024-12-17 09:49:11,856 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 09:49:14,716 INFO L134 CoverageAnalysis]: Checked inductivity of 1125 backedges. 0 proven. 1125 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 09:49:14,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 09:49:14,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378424902] [2024-12-17 09:49:14,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1378424902] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 09:49:14,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1202503158] [2024-12-17 09:49:14,716 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-17 09:49:14,717 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 09:49:14,717 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 09:49:14,719 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 09:49:14,720 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 09:49:18,344 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 19 check-sat command(s) [2024-12-17 09:49:18,344 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 09:49:18,360 INFO L256 TraceCheckSpWp]: Trace formula consists of 1491 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-12-17 09:49:18,372 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 09:49:18,388 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 09:49:18,482 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 28 treesize of output 15 [2024-12-17 09:49:18,505 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 09:49:18,530 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 09:49:18,561 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 09:49:18,591 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 09:49:18,622 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 09:49:18,657 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 09:49:18,690 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 09:49:18,728 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 09:49:18,786 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 09:49:18,823 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 09:49:18,857 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 09:49:18,892 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 09:49:18,930 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 09:49:18,970 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 09:49:19,009 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 09:49:19,051 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 09:49:19,090 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 09:49:19,170 INFO L134 CoverageAnalysis]: Checked inductivity of 1125 backedges. 0 proven. 1125 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 09:49:19,171 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 09:49:19,796 INFO L134 CoverageAnalysis]: Checked inductivity of 1125 backedges. 0 proven. 1125 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 09:49:19,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1202503158] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 09:49:19,797 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 09:49:19,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 24, 23] total 68 [2024-12-17 09:49:19,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720131476] [2024-12-17 09:49:19,797 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 09:49:19,798 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 69 states [2024-12-17 09:49:19,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 09:49:19,799 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2024-12-17 09:49:19,801 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1373, Invalid=3319, Unknown=0, NotChecked=0, Total=4692 [2024-12-17 09:49:19,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 09:49:19,801 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 09:49:19,802 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 69 states, 69 states have (on average 6.159420289855072) internal successors, (425), 68 states have internal predecessors, (425), 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 09:49:19,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 09:49:19,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 09:49:19,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 09:49:19,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-17 09:49:19,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 09:49:19,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-12-17 09:49:19,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-12-17 09:49:19,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 09:49:22,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 09:49:22,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 09:49:22,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 09:49:22,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-17 09:49:22,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 09:49:22,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-17 09:49:22,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-12-17 09:49:22,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2024-12-17 09:49:22,734 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 09:49:22,922 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 09:49:22,922 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-17 09:49:22,922 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 09:49:22,922 INFO L139 ounterexampleChecker]: Examining path program with hash 35810137, occurence #4 [2024-12-17 09:49:22,922 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 09:49:22,922 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2024-12-17 09:49:22,922 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 09:49:22,922 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2024-12-17 09:49:22,922 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 09:49:22,922 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2024-12-17 09:49:22,922 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:22,922 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2024-12-17 09:49:22,923 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:22,923 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-12-17 09:49:22,923 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:22,923 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2024-12-17 09:49:22,923 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:22,923 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 47 [2024-12-17 09:49:22,923 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:22,923 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2024-12-17 09:49:22,923 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:22,923 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 61 [2024-12-17 09:49:22,923 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:22,923 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2024-12-17 09:49:22,923 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:22,923 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2024-12-17 09:49:22,923 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:22,923 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 82 [2024-12-17 09:49:22,923 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:22,923 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 89 [2024-12-17 09:49:22,923 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:22,923 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 96 [2024-12-17 09:49:22,923 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:22,923 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 103 [2024-12-17 09:49:22,923 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:22,923 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 110 [2024-12-17 09:49:22,923 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:22,923 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 117 [2024-12-17 09:49:22,923 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:22,923 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 124 [2024-12-17 09:49:22,923 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:22,923 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 131 [2024-12-17 09:49:22,923 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:22,923 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 138 [2024-12-17 09:49:22,923 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:22,923 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 145 [2024-12-17 09:49:22,923 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:22,923 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 152 [2024-12-17 09:49:22,923 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:22,923 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 159 [2024-12-17 09:49:22,923 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:22,924 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 166 [2024-12-17 09:49:22,924 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:22,924 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 173 [2024-12-17 09:49:22,924 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:22,924 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 180 [2024-12-17 09:49:22,924 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:22,924 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 187 [2024-12-17 09:49:22,924 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:22,924 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 194 [2024-12-17 09:49:22,924 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:22,924 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 201 [2024-12-17 09:49:22,924 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:22,924 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 208 [2024-12-17 09:49:22,924 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:22,924 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 215 [2024-12-17 09:49:22,924 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:22,924 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 222 [2024-12-17 09:49:22,924 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:22,924 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 229 [2024-12-17 09:49:22,924 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:22,929 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 236 [2024-12-17 09:49:22,929 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:22,929 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 243 [2024-12-17 09:49:22,929 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:22,929 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 250 [2024-12-17 09:49:22,929 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:22,929 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 257 [2024-12-17 09:49:22,929 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:22,929 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 264 [2024-12-17 09:49:22,929 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:22,929 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 271 [2024-12-17 09:49:22,930 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:22,930 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 278 [2024-12-17 09:49:22,930 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:22,930 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 285 [2024-12-17 09:49:22,930 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:22,930 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 09:49:22,930 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 09:49:22,930 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 09:49:22,930 INFO L85 PathProgramCache]: Analyzing trace with hash 953301690, now seen corresponding path program 4 times [2024-12-17 09:49:22,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 09:49:22,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418010756] [2024-12-17 09:49:22,930 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-17 09:49:22,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 09:49:23,305 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-17 09:49:23,305 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 09:49:30,754 INFO L134 CoverageAnalysis]: Checked inductivity of 5035 backedges. 0 proven. 5035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 09:49:30,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 09:49:30,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418010756] [2024-12-17 09:49:30,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [418010756] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 09:49:30,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [437650209] [2024-12-17 09:49:30,755 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-17 09:49:30,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 09:49:30,755 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 09:49:30,757 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 09:49:30,758 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 09:49:31,203 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-17 09:49:31,203 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 09:49:31,217 INFO L256 TraceCheckSpWp]: Trace formula consists of 2071 conjuncts, 53 conjuncts are in the unsatisfiable core [2024-12-17 09:49:31,292 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 09:49:31,306 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 09:49:31,377 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 28 treesize of output 15 [2024-12-17 09:49:31,393 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 09:49:31,411 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 09:49:31,436 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 09:49:31,457 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 09:49:31,482 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 09:49:31,507 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 09:49:31,531 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 09:49:31,554 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 09:49:31,582 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 09:49:31,612 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 09:49:31,636 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 09:49:31,665 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 09:49:31,692 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 09:49:31,726 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 09:49:31,755 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 09:49:31,785 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 09:49:31,819 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 09:49:31,850 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 09:49:31,886 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 09:49:31,916 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 09:49:31,952 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 09:49:31,985 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 09:49:32,019 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 09:49:32,055 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 09:49:32,093 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 09:49:32,126 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 09:49:32,160 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 09:49:32,190 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 09:49:32,225 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 09:49:32,259 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 09:49:32,297 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 09:49:32,331 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 09:49:32,383 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 09:49:32,547 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 09:49:32,625 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 09:49:32,677 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 09:49:32,732 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 09:49:32,882 INFO L134 CoverageAnalysis]: Checked inductivity of 5035 backedges. 0 proven. 5035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 09:49:32,882 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 09:49:34,823 INFO L134 CoverageAnalysis]: Checked inductivity of 5035 backedges. 0 proven. 5035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 09:49:34,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [437650209] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 09:49:34,823 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 09:49:34,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [60, 44, 43] total 144 [2024-12-17 09:49:34,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5419109] [2024-12-17 09:49:34,823 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 09:49:34,824 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 145 states [2024-12-17 09:49:34,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 09:49:34,827 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 145 interpolants. [2024-12-17 09:49:34,832 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6027, Invalid=14853, Unknown=0, NotChecked=0, Total=20880 [2024-12-17 09:49:34,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 09:49:34,833 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 09:49:34,833 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 145 states, 145 states have (on average 5.841379310344828) internal successors, (847), 144 states have internal predecessors, (847), 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 09:49:34,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 09:49:34,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 09:49:34,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 09:49:34,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-17 09:49:34,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 09:49:34,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-12-17 09:49:34,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-12-17 09:49:34,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2024-12-17 09:49:34,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 09:49:47,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 09:49:47,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 09:49:47,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 09:49:47,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-17 09:49:47,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 09:49:47,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-17 09:49:47,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-12-17 09:49:47,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2024-12-17 09:49:47,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 159 states. [2024-12-17 09:49:47,176 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 09:49:47,366 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 09:49:47,366 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-17 09:49:47,366 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 09:49:47,366 INFO L139 ounterexampleChecker]: Examining path program with hash 35810137, occurence #5 [2024-12-17 09:49:47,366 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 09:49:47,366 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2024-12-17 09:49:47,366 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 09:49:47,366 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2024-12-17 09:49:47,367 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 09:49:47,367 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2024-12-17 09:49:47,367 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:47,367 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2024-12-17 09:49:47,367 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:47,367 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-12-17 09:49:47,367 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:47,367 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2024-12-17 09:49:47,367 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:47,367 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 47 [2024-12-17 09:49:47,367 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:47,367 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2024-12-17 09:49:47,367 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:47,367 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 61 [2024-12-17 09:49:47,367 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:47,367 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2024-12-17 09:49:47,367 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:47,367 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2024-12-17 09:49:47,367 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:47,367 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 82 [2024-12-17 09:49:47,367 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:47,367 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 89 [2024-12-17 09:49:47,367 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:47,367 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 96 [2024-12-17 09:49:47,367 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:47,367 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 103 [2024-12-17 09:49:47,367 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:47,367 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 110 [2024-12-17 09:49:47,367 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:47,367 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 117 [2024-12-17 09:49:47,367 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:47,367 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 124 [2024-12-17 09:49:47,367 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:47,367 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 131 [2024-12-17 09:49:47,367 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:47,367 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 138 [2024-12-17 09:49:47,367 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:47,367 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 145 [2024-12-17 09:49:47,367 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:47,367 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 152 [2024-12-17 09:49:47,367 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:47,367 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 159 [2024-12-17 09:49:47,367 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:47,367 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 166 [2024-12-17 09:49:47,367 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:47,367 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 173 [2024-12-17 09:49:47,368 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:47,368 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 180 [2024-12-17 09:49:47,368 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:47,368 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 187 [2024-12-17 09:49:47,368 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:47,368 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 194 [2024-12-17 09:49:47,368 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:47,368 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 201 [2024-12-17 09:49:47,368 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:47,368 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 208 [2024-12-17 09:49:47,368 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:47,368 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 215 [2024-12-17 09:49:47,368 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:47,368 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 222 [2024-12-17 09:49:47,368 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:47,368 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 229 [2024-12-17 09:49:47,368 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:47,369 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 236 [2024-12-17 09:49:47,369 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:47,369 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 243 [2024-12-17 09:49:47,369 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:47,369 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 250 [2024-12-17 09:49:47,369 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:47,370 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 257 [2024-12-17 09:49:47,370 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:47,370 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 264 [2024-12-17 09:49:47,370 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:47,370 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 271 [2024-12-17 09:49:47,370 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:47,370 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 278 [2024-12-17 09:49:47,370 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:47,370 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 285 [2024-12-17 09:49:47,370 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:47,370 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 292 [2024-12-17 09:49:47,370 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:47,370 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 299 [2024-12-17 09:49:47,370 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:47,370 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 306 [2024-12-17 09:49:47,371 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:47,371 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 313 [2024-12-17 09:49:47,371 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:47,371 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 320 [2024-12-17 09:49:47,371 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:47,371 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 327 [2024-12-17 09:49:47,371 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:47,371 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 334 [2024-12-17 09:49:47,371 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:47,371 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 341 [2024-12-17 09:49:47,371 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:47,371 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 348 [2024-12-17 09:49:47,371 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:47,371 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 355 [2024-12-17 09:49:47,371 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:47,372 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 362 [2024-12-17 09:49:47,372 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:47,372 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 369 [2024-12-17 09:49:47,372 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:47,372 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 376 [2024-12-17 09:49:47,372 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:47,372 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 383 [2024-12-17 09:49:47,372 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:47,372 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 390 [2024-12-17 09:49:47,372 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:47,372 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 397 [2024-12-17 09:49:47,372 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:47,372 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 404 [2024-12-17 09:49:47,372 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:47,372 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 411 [2024-12-17 09:49:47,372 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:47,372 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 418 [2024-12-17 09:49:47,372 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:47,372 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 425 [2024-12-17 09:49:47,372 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:47,372 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 432 [2024-12-17 09:49:47,372 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:47,372 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 439 [2024-12-17 09:49:47,372 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:47,372 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 446 [2024-12-17 09:49:47,372 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:47,372 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 453 [2024-12-17 09:49:47,372 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:47,372 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 460 [2024-12-17 09:49:47,373 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:47,373 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 467 [2024-12-17 09:49:47,373 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:47,373 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 474 [2024-12-17 09:49:47,373 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:47,373 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 481 [2024-12-17 09:49:47,373 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:47,373 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 488 [2024-12-17 09:49:47,373 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:47,373 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 495 [2024-12-17 09:49:47,373 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:47,373 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 502 [2024-12-17 09:49:47,373 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:47,373 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 509 [2024-12-17 09:49:47,373 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:47,373 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 516 [2024-12-17 09:49:47,373 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:47,373 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 523 [2024-12-17 09:49:47,373 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:47,373 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 530 [2024-12-17 09:49:47,373 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:47,373 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 537 [2024-12-17 09:49:47,373 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:47,373 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 544 [2024-12-17 09:49:47,373 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:47,373 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 551 [2024-12-17 09:49:47,373 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:47,373 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 558 [2024-12-17 09:49:47,373 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:47,373 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 565 [2024-12-17 09:49:47,373 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 09:49:47,373 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 09:49:47,373 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 09:49:47,374 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 09:49:47,374 INFO L85 PathProgramCache]: Analyzing trace with hash -341803206, now seen corresponding path program 5 times [2024-12-17 09:49:47,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 09:49:47,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934078469] [2024-12-17 09:49:47,374 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-17 09:49:47,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 09:49:52,327 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 79 check-sat command(s) [2024-12-17 09:49:52,327 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 09:50:22,822 INFO L134 CoverageAnalysis]: Checked inductivity of 21255 backedges. 0 proven. 21255 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 09:50:22,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 09:50:22,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934078469] [2024-12-17 09:50:22,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [934078469] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 09:50:22,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1959677659] [2024-12-17 09:50:22,823 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-17 09:50:22,823 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 09:50:22,823 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 09:50:22,825 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 09:50:22,826 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