./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_71-funloop_racing.i --traceabstraction.use.conditional.por.in.concurrent.analysis true --traceabstraction.commutativity.condition.synthesis SUFFICIENT --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ebd41074 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_71-funloop_racing.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 bde6fe221f69c3fccb0f7c90e011f0b13ab5ca582ddcd328a459cbb512a8fd7f --traceabstraction.use.conditional.por.in.concurrent.analysis true --traceabstraction.commutativity.condition.synthesis SUFFICIENT --- Real Ultimate output --- This is Ultimate 0.3.0-dev-ebd4107-m [2025-01-23 17:31:52,181 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-23 17:31:52,248 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2025-01-23 17:31:52,252 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-23 17:31:52,252 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-23 17:31:52,274 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-23 17:31:52,275 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-23 17:31:52,275 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-23 17:31:52,275 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-23 17:31:52,275 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-23 17:31:52,276 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-23 17:31:52,276 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-23 17:31:52,276 INFO L153 SettingsManager]: * Use SBE=true [2025-01-23 17:31:52,276 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-23 17:31:52,276 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-23 17:31:52,276 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-23 17:31:52,276 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-23 17:31:52,276 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-23 17:31:52,276 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-23 17:31:52,277 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-23 17:31:52,277 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-23 17:31:52,277 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-23 17:31:52,277 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-23 17:31:52,277 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-23 17:31:52,277 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-23 17:31:52,277 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-23 17:31:52,277 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-23 17:31:52,277 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-23 17:31:52,278 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-23 17:31:52,278 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-23 17:31:52,278 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-01-23 17:31:52,278 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-23 17:31:52,278 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-23 17:31:52,278 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-23 17:31:52,278 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-01-23 17:31:52,278 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-23 17:31:52,278 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-23 17:31:52,278 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-01-23 17:31:52,278 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-23 17:31:52,279 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-23 17:31:52,279 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-01-23 17:31:52,279 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-01-23 17:31:52,279 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-01-23 17:31:52,279 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 -> bde6fe221f69c3fccb0f7c90e011f0b13ab5ca582ddcd328a459cbb512a8fd7f Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use conditional POR in concurrent analysis -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Commutativity condition synthesis -> SUFFICIENT [2025-01-23 17:31:52,522 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-23 17:31:52,527 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-23 17:31:52,529 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-23 17:31:52,529 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-23 17:31:52,530 INFO L274 PluginConnector]: CDTParser initialized [2025-01-23 17:31:52,530 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_71-funloop_racing.i [2025-01-23 17:31:53,602 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/e445bc759/87f7fb6121b94045be87b448444d8c43/FLAGa45f029c1 [2025-01-23 17:31:53,822 INFO L384 CDTParser]: Found 1 translation units. [2025-01-23 17:31:53,822 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/trunk/examples/svcomp/goblint-regression/28-race_reach_71-funloop_racing.i [2025-01-23 17:31:53,838 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/e445bc759/87f7fb6121b94045be87b448444d8c43/FLAGa45f029c1 [2025-01-23 17:31:54,157 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/e445bc759/87f7fb6121b94045be87b448444d8c43 [2025-01-23 17:31:54,159 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-23 17:31:54,160 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-23 17:31:54,160 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-23 17:31:54,161 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-23 17:31:54,163 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-23 17:31:54,164 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.01 05:31:54" (1/1) ... [2025-01-23 17:31:54,164 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fb969c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 05:31:54, skipping insertion in model container [2025-01-23 17:31:54,164 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.01 05:31:54" (1/1) ... [2025-01-23 17:31:54,186 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-23 17:31:54,445 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/goblint-regression/28-race_reach_71-funloop_racing.i[41323,41336] [2025-01-23 17:31:54,468 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-23 17:31:54,494 INFO L200 MainTranslator]: Completed pre-run [2025-01-23 17:31:54,558 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/goblint-regression/28-race_reach_71-funloop_racing.i[41323,41336] [2025-01-23 17:31:54,574 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-23 17:31:54,614 INFO L204 MainTranslator]: Completed translation [2025-01-23 17:31:54,615 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 05:31:54 WrapperNode [2025-01-23 17:31:54,615 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-23 17:31:54,616 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-23 17:31:54,616 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-23 17:31:54,616 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-23 17:31:54,620 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 05:31:54" (1/1) ... [2025-01-23 17:31:54,630 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 05:31:54" (1/1) ... [2025-01-23 17:31:54,648 INFO L138 Inliner]: procedures = 272, calls = 107, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 308 [2025-01-23 17:31:54,648 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-23 17:31:54,649 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-23 17:31:54,649 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-23 17:31:54,649 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-23 17:31:54,654 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 05:31:54" (1/1) ... [2025-01-23 17:31:54,655 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 05:31:54" (1/1) ... [2025-01-23 17:31:54,659 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 05:31:54" (1/1) ... [2025-01-23 17:31:54,660 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 05:31:54" (1/1) ... [2025-01-23 17:31:54,670 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 05:31:54" (1/1) ... [2025-01-23 17:31:54,676 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 05:31:54" (1/1) ... [2025-01-23 17:31:54,682 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 05:31:54" (1/1) ... [2025-01-23 17:31:54,684 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 05:31:54" (1/1) ... [2025-01-23 17:31:54,688 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 05:31:54" (1/1) ... [2025-01-23 17:31:54,690 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-23 17:31:54,694 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-23 17:31:54,694 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-23 17:31:54,694 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-23 17:31:54,695 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 05:31:54" (1/1) ... [2025-01-23 17:31:54,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-01-23 17:31:54,718 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 17:31:54,728 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2025-01-23 17:31:54,731 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2025-01-23 17:31:54,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-23 17:31:54,748 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-23 17:31:54,748 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-01-23 17:31:54,749 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-01-23 17:31:54,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-01-23 17:31:54,749 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-01-23 17:31:54,749 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-23 17:31:54,749 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2025-01-23 17:31:54,749 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2025-01-23 17:31:54,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-01-23 17:31:54,750 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-23 17:31:54,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-23 17:31:54,751 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-01-23 17:31:54,871 INFO L234 CfgBuilder]: Building ICFG [2025-01-23 17:31:54,873 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-23 17:31:55,222 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-01-23 17:31:55,222 INFO L283 CfgBuilder]: Performing block encoding [2025-01-23 17:31:55,490 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-23 17:31:55,491 INFO L312 CfgBuilder]: Removed 15 assume(true) statements. [2025-01-23 17:31:55,491 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.01 05:31:55 BoogieIcfgContainer [2025-01-23 17:31:55,491 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-23 17:31:55,493 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-23 17:31:55,493 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-23 17:31:55,496 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-23 17:31:55,497 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.01 05:31:54" (1/3) ... [2025-01-23 17:31:55,497 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d381676 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.01 05:31:55, skipping insertion in model container [2025-01-23 17:31:55,497 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 05:31:54" (2/3) ... [2025-01-23 17:31:55,497 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d381676 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.01 05:31:55, skipping insertion in model container [2025-01-23 17:31:55,499 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.01 05:31:55" (3/3) ... [2025-01-23 17:31:55,499 INFO L128 eAbstractionObserver]: Analyzing ICFG 28-race_reach_71-funloop_racing.i [2025-01-23 17:31:55,509 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-23 17:31:55,511 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 28-race_reach_71-funloop_racing.i that has 2 procedures, 94 locations, 1 initial locations, 20 loop locations, and 3 error locations. [2025-01-23 17:31:55,511 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-01-23 17:31:55,547 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2025-01-23 17:31:55,579 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-23 17:31:55,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-01-23 17:31:55,580 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 17:31:55,581 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2025-01-23 17:31:55,583 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2025-01-23 17:31:55,648 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-01-23 17:31:55,660 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t_funThread1of1ForFork0 ======== [2025-01-23 17:31:55,667 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;@3ce955fa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-23 17:31:55,667 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-23 17:31:55,890 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-23 17:31:55,891 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 17:31:55,892 INFO L139 ounterexampleChecker]: Examining path program with hash -411181153, occurence #1 [2025-01-23 17:31:55,892 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-23 17:31:55,892 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 17:31:55,895 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 17:31:55,896 INFO L85 PathProgramCache]: Analyzing trace with hash -1404513770, now seen corresponding path program 1 times [2025-01-23 17:31:55,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 17:31:55,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524131090] [2025-01-23 17:31:55,901 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 17:31:55,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 17:31:55,959 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-01-23 17:31:55,984 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-01-23 17:31:55,985 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 17:31:55,985 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 17:31:56,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 17:31:56,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 17:31:56,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524131090] [2025-01-23 17:31:56,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1524131090] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-23 17:31:56,119 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-23 17:31:56,119 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-23 17:31:56,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093393188] [2025-01-23 17:31:56,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-23 17:31:56,125 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-23 17:31:56,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 17:31:56,140 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-23 17:31:56,141 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-23 17:31:56,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 17:31:56,142 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 17:31:56,143 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-23 17:31:56,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 17:31:56,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-23 17:31:56,193 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-23 17:31:56,193 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-23 17:31:56,193 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 17:31:56,193 INFO L139 ounterexampleChecker]: Examining path program with hash -411181153, occurence #2 [2025-01-23 17:31:56,193 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-23 17:31:56,193 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-23 17:31:56,194 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:31:56,194 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-01-23 17:31:56,194 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 17:31:56,194 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-23 17:31:56,194 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 17:31:56,195 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 17:31:56,195 INFO L85 PathProgramCache]: Analyzing trace with hash 547357968, now seen corresponding path program 1 times [2025-01-23 17:31:56,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 17:31:56,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477992377] [2025-01-23 17:31:56,196 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 17:31:56,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 17:31:56,208 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-01-23 17:31:56,220 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-01-23 17:31:56,220 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 17:31:56,220 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 17:31:56,306 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 17:31:56,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 17:31:56,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [477992377] [2025-01-23 17:31:56,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [477992377] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 17:31:56,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1916220773] [2025-01-23 17:31:56,307 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 17:31:56,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 17:31:56,308 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 17:31:56,332 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-23 17:31:56,334 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-01-23 17:31:56,389 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-01-23 17:31:56,425 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-01-23 17:31:56,425 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 17:31:56,425 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 17:31:56,427 INFO L256 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-23 17:31:56,429 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 17:31:56,442 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 17:31:56,443 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 17:31:56,458 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 17:31:56,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1916220773] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 17:31:56,459 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 17:31:56,459 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2025-01-23 17:31:56,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332782285] [2025-01-23 17:31:56,459 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 17:31:56,460 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-23 17:31:56,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 17:31:56,460 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-23 17:31:56,461 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-01-23 17:31:56,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 17:31:56,461 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 17:31:56,462 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-23 17:31:56,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-23 17:31:56,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 17:31:56,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-23 17:31:56,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-23 17:31:56,546 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-01-23 17:31:56,740 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 17:31:56,741 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-23 17:31:56,741 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 17:31:56,741 INFO L139 ounterexampleChecker]: Examining path program with hash -411181153, occurence #3 [2025-01-23 17:31:56,741 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-23 17:31:56,741 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-23 17:31:56,741 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:31:56,741 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2025-01-23 17:31:56,741 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 17:31:56,741 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-23 17:31:56,741 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 17:31:56,741 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 17:31:56,741 INFO L85 PathProgramCache]: Analyzing trace with hash -1577402218, now seen corresponding path program 2 times [2025-01-23 17:31:56,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 17:31:56,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378868595] [2025-01-23 17:31:56,742 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-23 17:31:56,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 17:31:56,755 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 21 statements into 2 equivalence classes. [2025-01-23 17:31:56,783 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 17 of 21 statements. [2025-01-23 17:31:56,785 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-01-23 17:31:56,785 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 17:31:57,150 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-01-23 17:31:57,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 17:31:57,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378868595] [2025-01-23 17:31:57,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1378868595] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-23 17:31:57,150 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-23 17:31:57,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-01-23 17:31:57,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498831404] [2025-01-23 17:31:57,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-23 17:31:57,151 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-23 17:31:57,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 17:31:57,151 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-23 17:31:57,151 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-01-23 17:31:57,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 17:31:57,151 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 17:31:57,151 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.25) internal successors, (18), 7 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-23 17:31:57,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-23 17:31:57,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-23 17:31:57,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 17:31:57,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-23 17:31:57,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-23 17:31:57,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-23 17:31:57,319 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-23 17:31:57,319 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-23 17:31:57,319 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 17:31:57,319 INFO L139 ounterexampleChecker]: Examining path program with hash -835357110, occurence #1 [2025-01-23 17:31:57,319 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-23 17:31:57,319 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 17:31:57,319 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 17:31:57,320 INFO L85 PathProgramCache]: Analyzing trace with hash 303523954, now seen corresponding path program 1 times [2025-01-23 17:31:57,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 17:31:57,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808483559] [2025-01-23 17:31:57,320 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 17:31:57,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 17:31:57,335 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-01-23 17:31:57,342 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-01-23 17:31:57,342 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 17:31:57,342 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 17:31:57,411 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-01-23 17:31:57,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 17:31:57,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [808483559] [2025-01-23 17:31:57,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [808483559] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 17:31:57,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1364300977] [2025-01-23 17:31:57,412 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 17:31:57,412 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 17:31:57,412 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 17:31:57,413 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-23 17:31:57,415 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-01-23 17:31:57,471 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-01-23 17:31:57,518 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-01-23 17:31:57,518 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 17:31:57,518 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 17:31:57,520 INFO L256 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-01-23 17:31:57,521 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 17:31:57,535 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-01-23 17:31:57,535 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 17:31:57,582 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-01-23 17:31:57,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1364300977] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 17:31:57,582 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 17:31:57,582 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2025-01-23 17:31:57,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120597199] [2025-01-23 17:31:57,583 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 17:31:57,583 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-01-23 17:31:57,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 17:31:57,583 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-01-23 17:31:57,583 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2025-01-23 17:31:57,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 17:31:57,583 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 17:31:57,584 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.3846153846153846) internal successors, (44), 12 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-23 17:31:57,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-23 17:31:57,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-23 17:31:57,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-23 17:31:57,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 17:31:57,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-23 17:31:57,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-23 17:31:57,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-23 17:31:57,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-23 17:31:57,630 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-01-23 17:31:57,824 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 17:31:57,825 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-23 17:31:57,825 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 17:31:57,825 INFO L139 ounterexampleChecker]: Examining path program with hash -835357110, occurence #2 [2025-01-23 17:31:57,825 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-23 17:31:57,825 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-23 17:31:57,825 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:31:57,825 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-01-23 17:31:57,825 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 17:31:57,825 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2025-01-23 17:31:57,825 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:31:57,825 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-01-23 17:31:57,825 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:31:57,825 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2025-01-23 17:31:57,825 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:31:57,825 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2025-01-23 17:31:57,825 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:31:57,826 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2025-01-23 17:31:57,826 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:31:57,826 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-23 17:31:57,826 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 17:31:57,826 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 17:31:57,826 INFO L85 PathProgramCache]: Analyzing trace with hash 338744882, now seen corresponding path program 2 times [2025-01-23 17:31:57,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 17:31:57,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343008670] [2025-01-23 17:31:57,826 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-23 17:31:57,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 17:31:57,839 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 47 statements into 2 equivalence classes. [2025-01-23 17:31:57,869 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 47 of 47 statements. [2025-01-23 17:31:57,870 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-23 17:31:57,870 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 17:31:58,377 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-01-23 17:31:58,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 17:31:58,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343008670] [2025-01-23 17:31:58,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1343008670] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 17:31:58,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1375392047] [2025-01-23 17:31:58,378 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-23 17:31:58,378 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 17:31:58,378 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 17:31:58,379 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-23 17:31:58,381 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-01-23 17:31:58,435 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 47 statements into 2 equivalence classes. [2025-01-23 17:31:58,478 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 47 of 47 statements. [2025-01-23 17:31:58,479 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-23 17:31:58,479 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 17:31:58,482 INFO L256 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 39 conjuncts are in the unsatisfiable core [2025-01-23 17:31:58,485 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 17:31:58,599 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2025-01-23 17:31:58,599 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2025-01-23 17:31:58,631 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2025-01-23 17:31:58,745 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2025-01-23 17:31:58,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-23 17:31:58,832 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-01-23 17:31:58,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-23 17:31:58,888 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-01-23 17:31:59,031 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-01-23 17:31:59,031 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 17:31:59,150 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_217 Int) (v_ArrVal_214 (Array Int Int))) (= (select (select (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_214))) (store .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| (store (select .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| v_ArrVal_217))) |c_~#cache~0.base|) (+ (* |c_t_funThread1of1ForFork0_~i~0#1| 28) 28 |c_~#cache~0.offset|)) 0)) is different from false [2025-01-23 17:31:59,241 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_214 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_214) |c_~#cache~0.base|) (+ 28 |c_~#cache~0.offset|)) 0)) is different from false [2025-01-23 17:31:59,326 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-01-23 17:31:59,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1375392047] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 17:31:59,326 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 17:31:59,327 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 11] total 27 [2025-01-23 17:31:59,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057756645] [2025-01-23 17:31:59,327 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 17:31:59,327 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2025-01-23 17:31:59,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 17:31:59,328 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2025-01-23 17:31:59,328 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=533, Unknown=16, NotChecked=98, Total=756 [2025-01-23 17:31:59,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 17:31:59,328 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 17:31:59,328 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 3.7857142857142856) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-23 17:31:59,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-23 17:31:59,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-23 17:31:59,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-23 17:31:59,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-23 17:31:59,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 17:31:59,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-23 17:31:59,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-23 17:31:59,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-23 17:31:59,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-23 17:31:59,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-23 17:31:59,678 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 [2025-01-23 17:31:59,872 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 17:31:59,872 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-23 17:31:59,872 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 17:31:59,872 INFO L139 ounterexampleChecker]: Examining path program with hash -835357110, occurence #3 [2025-01-23 17:31:59,872 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-23 17:31:59,872 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-23 17:31:59,872 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:31:59,872 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-01-23 17:31:59,873 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 17:31:59,873 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2025-01-23 17:31:59,873 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:31:59,873 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-01-23 17:31:59,873 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:31:59,873 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2025-01-23 17:31:59,873 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:31:59,873 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2025-01-23 17:31:59,873 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:31:59,873 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2025-01-23 17:31:59,873 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:31:59,873 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2025-01-23 17:31:59,873 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:31:59,873 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2025-01-23 17:31:59,873 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:31:59,873 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2025-01-23 17:31:59,873 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:31:59,873 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2025-01-23 17:31:59,873 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:31:59,873 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2025-01-23 17:31:59,873 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:31:59,873 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-23 17:31:59,873 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 17:31:59,873 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 17:31:59,873 INFO L85 PathProgramCache]: Analyzing trace with hash -2035902450, now seen corresponding path program 3 times [2025-01-23 17:31:59,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 17:31:59,874 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267966276] [2025-01-23 17:31:59,874 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-23 17:31:59,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 17:31:59,888 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 67 statements into 6 equivalence classes. [2025-01-23 17:31:59,920 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 61 of 67 statements. [2025-01-23 17:31:59,923 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-01-23 17:31:59,923 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 17:32:00,734 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-01-23 17:32:00,735 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 17:32:00,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1267966276] [2025-01-23 17:32:00,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1267966276] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 17:32:00,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [822764222] [2025-01-23 17:32:00,735 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-23 17:32:00,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 17:32:00,735 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 17:32:00,737 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-23 17:32:00,738 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-01-23 17:32:00,795 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 67 statements into 6 equivalence classes. [2025-01-23 17:32:00,838 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 61 of 67 statements. [2025-01-23 17:32:00,838 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-01-23 17:32:00,838 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 17:32:00,839 INFO L256 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 54 conjuncts are in the unsatisfiable core [2025-01-23 17:32:00,842 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 17:32:00,926 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2025-01-23 17:32:00,926 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2025-01-23 17:32:00,955 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2025-01-23 17:32:01,056 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2025-01-23 17:32:01,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-23 17:32:01,141 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-01-23 17:32:01,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-23 17:32:01,195 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-01-23 17:32:01,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-23 17:32:01,368 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-01-23 17:32:01,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-23 17:32:01,412 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-01-23 17:32:01,514 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-01-23 17:32:01,514 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 17:32:02,502 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_344 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_344) |c_~#cache~0.base|) (+ 56 (* |c_t_funThread1of1ForFork0_~i~0#1| 28) |c_~#cache~0.offset|)) 0)) is different from false [2025-01-23 17:32:02,506 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_344 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_344) |c_~#cache~0.base|) (+ 56 |c_~#cache~0.offset|)) 0)) is different from false [2025-01-23 17:32:02,589 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-01-23 17:32:02,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [822764222] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 17:32:02,589 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 17:32:02,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 12, 13] total 36 [2025-01-23 17:32:02,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080063954] [2025-01-23 17:32:02,589 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 17:32:02,590 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2025-01-23 17:32:02,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 17:32:02,590 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2025-01-23 17:32:02,591 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=142, Invalid=1027, Unknown=29, NotChecked=134, Total=1332 [2025-01-23 17:32:02,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 17:32:02,591 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 17:32:02,591 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 4.45945945945946) internal successors, (165), 36 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-23 17:32:02,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-23 17:32:02,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-23 17:32:02,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-23 17:32:02,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-23 17:32:02,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-23 17:32:02,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 17:32:03,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-23 17:32:03,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-23 17:32:03,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-23 17:32:03,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-23 17:32:03,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-23 17:32:03,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-23 17:32:03,148 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-01-23 17:32:03,342 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 17:32:03,343 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-23 17:32:03,344 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 17:32:03,344 INFO L139 ounterexampleChecker]: Examining path program with hash -835357110, occurence #4 [2025-01-23 17:32:03,344 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-23 17:32:03,344 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-23 17:32:03,344 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:03,344 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-01-23 17:32:03,344 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 17:32:03,344 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2025-01-23 17:32:03,344 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:03,344 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-01-23 17:32:03,344 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:03,344 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2025-01-23 17:32:03,344 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:03,344 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2025-01-23 17:32:03,344 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:03,345 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2025-01-23 17:32:03,345 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:03,345 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2025-01-23 17:32:03,345 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:03,345 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2025-01-23 17:32:03,345 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:03,345 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2025-01-23 17:32:03,345 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:03,345 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2025-01-23 17:32:03,345 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:03,345 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2025-01-23 17:32:03,346 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:03,346 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2025-01-23 17:32:03,346 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:03,346 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2025-01-23 17:32:03,346 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:03,346 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2025-01-23 17:32:03,346 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:03,346 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2025-01-23 17:32:03,346 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:03,346 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2025-01-23 17:32:03,346 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:03,346 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-23 17:32:03,346 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 17:32:03,346 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 17:32:03,346 INFO L85 PathProgramCache]: Analyzing trace with hash 1361368042, now seen corresponding path program 4 times [2025-01-23 17:32:03,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 17:32:03,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2147294509] [2025-01-23 17:32:03,346 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-23 17:32:03,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 17:32:03,361 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 87 statements into 2 equivalence classes. [2025-01-23 17:32:03,407 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 87 of 87 statements. [2025-01-23 17:32:03,407 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-01-23 17:32:03,407 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 17:32:04,686 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-01-23 17:32:04,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 17:32:04,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2147294509] [2025-01-23 17:32:04,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2147294509] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 17:32:04,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1454163181] [2025-01-23 17:32:04,686 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-23 17:32:04,686 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 17:32:04,686 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 17:32:04,688 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-23 17:32:04,689 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-01-23 17:32:04,758 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 87 statements into 2 equivalence classes. [2025-01-23 17:32:05,151 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 87 of 87 statements. [2025-01-23 17:32:05,151 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-01-23 17:32:05,151 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 17:32:05,154 INFO L256 TraceCheckSpWp]: Trace formula consists of 538 conjuncts, 66 conjuncts are in the unsatisfiable core [2025-01-23 17:32:05,159 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 17:32:05,254 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2025-01-23 17:32:05,255 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2025-01-23 17:32:05,277 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2025-01-23 17:32:05,368 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2025-01-23 17:32:05,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-23 17:32:05,428 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-01-23 17:32:05,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-23 17:32:05,462 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-01-23 17:32:05,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-23 17:32:05,612 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-01-23 17:32:05,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-23 17:32:05,651 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-01-23 17:32:05,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-23 17:32:05,778 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-01-23 17:32:05,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-23 17:32:05,814 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-01-23 17:32:05,913 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-01-23 17:32:05,913 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 17:32:07,052 WARN L851 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_39| Int) (v_ArrVal_510 (Array Int Int))) (let ((.cse0 (* |c_t_funThread1of1ForFork0_~i~0#1| 28))) (or (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_510) |c_~#cache~0.base|) (+ 84 .cse0 |c_~#cache~0.offset|)) 0) (< (+ .cse0 |c_~#cache~0.offset|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_39|)))) is different from false [2025-01-23 17:32:07,229 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-01-23 17:32:07,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1454163181] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 17:32:07,230 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 17:32:07,230 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 14, 15] total 43 [2025-01-23 17:32:07,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357331286] [2025-01-23 17:32:07,230 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 17:32:07,231 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2025-01-23 17:32:07,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 17:32:07,232 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2025-01-23 17:32:07,232 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=174, Invalid=1604, Unknown=32, NotChecked=82, Total=1892 [2025-01-23 17:32:07,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 17:32:07,232 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 17:32:07,233 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 44 states have (on average 5.113636363636363) internal successors, (225), 43 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-23 17:32:07,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-23 17:32:07,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-23 17:32:07,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-23 17:32:07,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-23 17:32:07,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-23 17:32:07,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-23 17:32:07,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 17:32:07,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-23 17:32:07,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-23 17:32:07,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-23 17:32:07,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-23 17:32:07,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-23 17:32:07,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-23 17:32:07,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-23 17:32:07,843 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-01-23 17:32:08,037 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 17:32:08,037 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-23 17:32:08,037 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 17:32:08,037 INFO L139 ounterexampleChecker]: Examining path program with hash -835357110, occurence #5 [2025-01-23 17:32:08,037 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-23 17:32:08,037 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-23 17:32:08,037 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:08,037 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-01-23 17:32:08,037 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 17:32:08,038 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2025-01-23 17:32:08,038 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:08,038 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-01-23 17:32:08,038 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:08,038 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2025-01-23 17:32:08,038 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:08,038 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2025-01-23 17:32:08,038 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:08,038 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2025-01-23 17:32:08,038 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:08,038 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2025-01-23 17:32:08,038 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:08,038 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2025-01-23 17:32:08,038 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:08,038 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2025-01-23 17:32:08,038 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:08,038 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2025-01-23 17:32:08,038 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:08,038 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2025-01-23 17:32:08,038 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:08,038 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2025-01-23 17:32:08,038 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:08,038 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2025-01-23 17:32:08,038 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:08,038 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2025-01-23 17:32:08,038 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:08,038 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2025-01-23 17:32:08,038 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:08,038 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2025-01-23 17:32:08,038 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:08,038 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2025-01-23 17:32:08,038 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:08,038 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2025-01-23 17:32:08,038 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:08,038 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 94 [2025-01-23 17:32:08,038 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:08,038 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 95 [2025-01-23 17:32:08,038 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:08,038 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 97 [2025-01-23 17:32:08,038 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:08,038 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-23 17:32:08,038 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 17:32:08,039 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 17:32:08,039 INFO L85 PathProgramCache]: Analyzing trace with hash 78285254, now seen corresponding path program 5 times [2025-01-23 17:32:08,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 17:32:08,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977608405] [2025-01-23 17:32:08,039 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-23 17:32:08,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 17:32:08,057 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 107 statements into 6 equivalence classes. [2025-01-23 17:32:08,115 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) and asserted 107 of 107 statements. [2025-01-23 17:32:08,116 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2025-01-23 17:32:08,116 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 17:32:09,202 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 0 proven. 128 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-01-23 17:32:09,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 17:32:09,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977608405] [2025-01-23 17:32:09,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [977608405] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 17:32:09,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [280538716] [2025-01-23 17:32:09,203 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-23 17:32:09,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 17:32:09,203 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 17:32:09,205 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-23 17:32:09,205 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-01-23 17:32:09,281 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 107 statements into 6 equivalence classes. [2025-01-23 17:32:11,958 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) and asserted 107 of 107 statements. [2025-01-23 17:32:11,958 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2025-01-23 17:32:11,958 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 17:32:11,963 INFO L256 TraceCheckSpWp]: Trace formula consists of 610 conjuncts, 75 conjuncts are in the unsatisfiable core [2025-01-23 17:32:11,967 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 17:32:12,031 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2025-01-23 17:32:12,031 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2025-01-23 17:32:12,052 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2025-01-23 17:32:12,137 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2025-01-23 17:32:12,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-23 17:32:12,208 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-01-23 17:32:12,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-23 17:32:12,253 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-01-23 17:32:12,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-23 17:32:12,418 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-01-23 17:32:12,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-23 17:32:12,469 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-01-23 17:32:12,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-23 17:32:12,601 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-01-23 17:32:12,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-23 17:32:12,638 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-01-23 17:32:12,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-23 17:32:12,753 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-01-23 17:32:12,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-23 17:32:12,791 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-01-23 17:32:12,895 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 0 proven. 128 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-01-23 17:32:12,895 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 17:32:13,415 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_712 (Array Int Int)) (v_ArrVal_715 Int)) (= (select (select (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_712))) (store .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| (store (select .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| v_ArrVal_715))) |c_~#cache~0.base|) (+ 112 (* |c_t_funThread1of1ForFork0_~i~0#1| 28) |c_~#cache~0.offset|)) 0)) is different from false [2025-01-23 17:32:13,428 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_712 (Array Int Int)) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_49| Int)) (let ((.cse0 (* |c_t_funThread1of1ForFork0_~i~0#1| 28))) (or (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_712) |c_~#cache~0.base|) (+ 112 .cse0 |c_~#cache~0.offset|)) 0) (< (+ .cse0 |c_~#cache~0.offset|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_49|)))) is different from false [2025-01-23 17:32:13,468 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_712 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_712) |c_~#cache~0.base|) (+ 112 |c_~#cache~0.offset|)) 0)) is different from false [2025-01-23 17:32:13,537 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 0 proven. 128 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-01-23 17:32:13,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [280538716] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 17:32:13,537 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 17:32:13,537 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 16, 17] total 47 [2025-01-23 17:32:13,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650501824] [2025-01-23 17:32:13,537 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 17:32:13,538 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2025-01-23 17:32:13,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 17:32:13,538 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2025-01-23 17:32:13,539 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=169, Invalid=1811, Unknown=12, NotChecked=264, Total=2256 [2025-01-23 17:32:13,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 17:32:13,539 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 17:32:13,539 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 5.958333333333333) internal successors, (286), 47 states have internal predecessors, (286), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-23 17:32:13,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-23 17:32:13,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-23 17:32:13,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-23 17:32:13,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-23 17:32:13,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-23 17:32:13,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-23 17:32:13,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-01-23 17:32:13,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 17:32:14,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-23 17:32:14,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-23 17:32:14,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-23 17:32:14,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-23 17:32:14,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-23 17:32:14,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-23 17:32:14,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-23 17:32:14,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-23 17:32:14,284 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-01-23 17:32:14,475 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 17:32:14,476 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-23 17:32:14,476 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 17:32:14,476 INFO L139 ounterexampleChecker]: Examining path program with hash -835357110, occurence #6 [2025-01-23 17:32:14,476 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-23 17:32:14,476 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-23 17:32:14,476 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:14,476 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-01-23 17:32:14,476 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 17:32:14,476 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2025-01-23 17:32:14,476 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:14,476 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-01-23 17:32:14,476 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:14,476 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2025-01-23 17:32:14,476 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:14,476 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2025-01-23 17:32:14,476 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:14,476 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2025-01-23 17:32:14,476 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:14,476 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2025-01-23 17:32:14,476 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:14,476 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2025-01-23 17:32:14,476 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:14,476 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2025-01-23 17:32:14,476 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:14,476 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2025-01-23 17:32:14,476 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:14,476 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2025-01-23 17:32:14,477 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:14,477 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2025-01-23 17:32:14,477 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:14,477 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2025-01-23 17:32:14,477 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:14,477 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2025-01-23 17:32:14,477 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:14,477 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2025-01-23 17:32:14,477 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:14,477 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2025-01-23 17:32:14,477 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:14,477 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2025-01-23 17:32:14,477 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:14,477 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2025-01-23 17:32:14,477 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:14,477 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 94 [2025-01-23 17:32:14,477 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:14,477 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 95 [2025-01-23 17:32:14,477 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:14,477 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 97 [2025-01-23 17:32:14,477 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:14,477 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 108 [2025-01-23 17:32:14,477 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:14,477 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 113 [2025-01-23 17:32:14,477 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:14,477 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 114 [2025-01-23 17:32:14,477 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:14,477 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 115 [2025-01-23 17:32:14,477 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:14,477 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 117 [2025-01-23 17:32:14,477 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:14,477 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-23 17:32:14,477 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 17:32:14,477 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 17:32:14,477 INFO L85 PathProgramCache]: Analyzing trace with hash -1128875614, now seen corresponding path program 6 times [2025-01-23 17:32:14,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 17:32:14,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685358455] [2025-01-23 17:32:14,478 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-23 17:32:14,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 17:32:14,491 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 127 statements into 6 equivalence classes. [2025-01-23 17:32:14,528 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) and asserted 127 of 127 statements. [2025-01-23 17:32:14,529 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2025-01-23 17:32:14,529 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 17:32:16,104 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-01-23 17:32:16,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 17:32:16,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685358455] [2025-01-23 17:32:16,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1685358455] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 17:32:16,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1934406937] [2025-01-23 17:32:16,105 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-23 17:32:16,105 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 17:32:16,105 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 17:32:16,106 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-23 17:32:16,107 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-01-23 17:32:16,184 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 127 statements into 6 equivalence classes. [2025-01-23 17:32:17,086 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) and asserted 127 of 127 statements. [2025-01-23 17:32:17,086 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2025-01-23 17:32:17,086 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 17:32:17,090 INFO L256 TraceCheckSpWp]: Trace formula consists of 682 conjuncts, 90 conjuncts are in the unsatisfiable core [2025-01-23 17:32:17,094 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 17:32:17,161 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2025-01-23 17:32:17,161 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2025-01-23 17:32:17,194 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2025-01-23 17:32:17,294 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2025-01-23 17:32:17,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-23 17:32:17,355 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-01-23 17:32:17,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-23 17:32:17,387 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-01-23 17:32:17,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-23 17:32:17,529 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-01-23 17:32:17,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-23 17:32:17,570 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-01-23 17:32:17,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-23 17:32:17,695 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-01-23 17:32:17,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-23 17:32:17,726 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-01-23 17:32:17,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-23 17:32:17,853 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-01-23 17:32:17,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-23 17:32:17,888 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-01-23 17:32:18,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-23 17:32:18,014 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-01-23 17:32:18,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-23 17:32:18,052 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-01-23 17:32:18,179 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-01-23 17:32:18,179 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 17:32:19,867 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_950 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_950) |c_~#cache~0.base|) (+ 140 (* |c_t_funThread1of1ForFork0_~i~0#1| 28) |c_~#cache~0.offset|)) 0)) is different from false [2025-01-23 17:32:19,985 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-01-23 17:32:19,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1934406937] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 17:32:19,985 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 17:32:19,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 18, 19] total 55 [2025-01-23 17:32:19,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058297350] [2025-01-23 17:32:19,985 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 17:32:19,986 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 56 states [2025-01-23 17:32:19,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 17:32:19,986 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2025-01-23 17:32:19,987 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=220, Invalid=2708, Unknown=46, NotChecked=106, Total=3080 [2025-01-23 17:32:19,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 17:32:19,988 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 17:32:19,988 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 56 states, 56 states have (on average 6.160714285714286) internal successors, (345), 55 states have internal predecessors, (345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-23 17:32:19,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-23 17:32:19,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-23 17:32:19,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-23 17:32:19,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-23 17:32:19,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-23 17:32:19,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-23 17:32:19,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-01-23 17:32:19,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-01-23 17:32:19,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 17:32:21,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-23 17:32:21,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-23 17:32:21,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-23 17:32:21,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-23 17:32:21,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-23 17:32:21,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-23 17:32:21,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-23 17:32:21,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-23 17:32:21,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-23 17:32:21,071 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2025-01-23 17:32:21,263 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 17:32:21,263 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-23 17:32:21,263 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 17:32:21,264 INFO L139 ounterexampleChecker]: Examining path program with hash -835357110, occurence #7 [2025-01-23 17:32:21,264 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-23 17:32:21,264 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-23 17:32:21,264 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:21,264 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-01-23 17:32:21,264 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 17:32:21,264 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2025-01-23 17:32:21,264 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:21,264 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-01-23 17:32:21,264 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:21,264 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2025-01-23 17:32:21,264 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:21,264 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2025-01-23 17:32:21,264 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:21,264 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2025-01-23 17:32:21,264 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:21,264 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2025-01-23 17:32:21,264 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:21,264 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2025-01-23 17:32:21,264 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:21,264 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2025-01-23 17:32:21,264 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:21,264 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2025-01-23 17:32:21,264 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:21,264 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2025-01-23 17:32:21,264 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:21,264 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2025-01-23 17:32:21,264 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:21,265 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2025-01-23 17:32:21,265 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:21,265 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2025-01-23 17:32:21,265 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:21,265 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2025-01-23 17:32:21,265 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:21,265 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2025-01-23 17:32:21,265 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:21,265 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2025-01-23 17:32:21,265 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:21,265 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2025-01-23 17:32:21,265 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:21,265 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 94 [2025-01-23 17:32:21,265 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:21,265 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 95 [2025-01-23 17:32:21,265 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:21,265 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 97 [2025-01-23 17:32:21,265 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:21,265 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 108 [2025-01-23 17:32:21,265 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:21,265 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 113 [2025-01-23 17:32:21,265 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:21,265 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 114 [2025-01-23 17:32:21,265 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:21,265 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 115 [2025-01-23 17:32:21,265 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:21,265 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 117 [2025-01-23 17:32:21,265 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:21,265 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 128 [2025-01-23 17:32:21,265 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:21,265 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 133 [2025-01-23 17:32:21,265 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:21,265 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 134 [2025-01-23 17:32:21,265 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:21,266 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 135 [2025-01-23 17:32:21,266 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:21,266 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 137 [2025-01-23 17:32:21,266 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:21,266 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-23 17:32:21,266 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 17:32:21,266 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 17:32:21,266 INFO L85 PathProgramCache]: Analyzing trace with hash -548904066, now seen corresponding path program 7 times [2025-01-23 17:32:21,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 17:32:21,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234603750] [2025-01-23 17:32:21,266 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-23 17:32:21,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 17:32:21,282 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 147 statements into 1 equivalence classes. [2025-01-23 17:32:21,308 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 147 of 147 statements. [2025-01-23 17:32:21,309 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 17:32:21,309 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 17:32:22,546 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 0 proven. 312 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-01-23 17:32:22,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 17:32:22,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1234603750] [2025-01-23 17:32:22,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1234603750] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 17:32:22,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [520613377] [2025-01-23 17:32:22,546 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-23 17:32:22,546 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 17:32:22,546 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 17:32:22,548 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-23 17:32:22,548 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-01-23 17:32:22,640 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 147 statements into 1 equivalence classes. [2025-01-23 17:32:22,690 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 147 of 147 statements. [2025-01-23 17:32:22,690 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 17:32:22,690 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 17:32:22,693 INFO L256 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 102 conjuncts are in the unsatisfiable core [2025-01-23 17:32:22,697 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 17:32:22,758 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2025-01-23 17:32:22,758 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2025-01-23 17:32:22,780 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2025-01-23 17:32:22,871 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2025-01-23 17:32:22,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-23 17:32:22,943 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-01-23 17:32:22,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-23 17:32:22,982 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-01-23 17:32:23,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-23 17:32:23,145 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-01-23 17:32:23,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-23 17:32:23,185 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-01-23 17:32:23,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-23 17:32:23,336 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-01-23 17:32:23,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-23 17:32:23,383 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-01-23 17:32:23,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-23 17:32:23,542 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-01-23 17:32:23,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-23 17:32:23,581 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-01-23 17:32:23,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-23 17:32:23,728 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-01-23 17:32:23,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-23 17:32:23,763 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-01-23 17:32:23,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-23 17:32:23,880 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-01-23 17:32:23,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-23 17:32:23,911 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-01-23 17:32:24,012 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 0 proven. 312 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-01-23 17:32:24,013 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 17:32:26,784 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1224 (Array Int Int)) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_75| Int)) (let ((.cse0 (* |c_t_funThread1of1ForFork0_~i~0#1| 28))) (or (< (+ .cse0 |c_~#cache~0.offset|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_75|) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1224) |c_~#cache~0.base|) (+ .cse0 168 |c_~#cache~0.offset|)) 0)))) is different from false [2025-01-23 17:32:26,792 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1224 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1224) |c_~#cache~0.base|) (+ (* |c_t_funThread1of1ForFork0_~i~0#1| 28) 168 |c_~#cache~0.offset|)) 0)) is different from false [2025-01-23 17:32:26,905 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 0 proven. 312 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-01-23 17:32:26,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [520613377] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 17:32:26,905 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 17:32:26,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20, 21] total 57 [2025-01-23 17:32:26,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39493602] [2025-01-23 17:32:26,905 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 17:32:26,906 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 58 states [2025-01-23 17:32:26,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 17:32:26,906 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2025-01-23 17:32:26,907 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=228, Invalid=2838, Unknown=22, NotChecked=218, Total=3306 [2025-01-23 17:32:26,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 17:32:26,907 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 17:32:26,907 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 58 states, 58 states have (on average 6.982758620689655) internal successors, (405), 57 states have internal predecessors, (405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-23 17:32:26,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-23 17:32:26,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-23 17:32:26,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-23 17:32:26,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-23 17:32:26,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-23 17:32:26,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-23 17:32:26,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-01-23 17:32:26,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-01-23 17:32:26,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-01-23 17:32:26,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 17:32:27,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-23 17:32:27,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-23 17:32:27,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-23 17:32:27,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-23 17:32:27,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-23 17:32:27,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-23 17:32:27,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-23 17:32:27,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-23 17:32:27,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-23 17:32:27,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-23 17:32:27,908 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2025-01-23 17:32:28,102 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 17:32:28,103 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-23 17:32:28,103 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 17:32:28,103 INFO L139 ounterexampleChecker]: Examining path program with hash -835357110, occurence #8 [2025-01-23 17:32:28,103 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-23 17:32:28,103 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-23 17:32:28,103 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:28,103 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-01-23 17:32:28,103 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 17:32:28,103 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2025-01-23 17:32:28,103 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:28,103 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-01-23 17:32:28,103 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:28,103 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2025-01-23 17:32:28,103 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:28,103 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2025-01-23 17:32:28,103 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:28,103 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2025-01-23 17:32:28,103 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:28,103 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2025-01-23 17:32:28,103 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:28,103 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2025-01-23 17:32:28,103 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:28,103 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2025-01-23 17:32:28,103 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:28,103 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2025-01-23 17:32:28,103 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:28,103 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2025-01-23 17:32:28,103 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:28,103 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2025-01-23 17:32:28,103 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:28,103 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2025-01-23 17:32:28,103 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:28,103 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2025-01-23 17:32:28,103 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:28,103 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2025-01-23 17:32:28,103 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:28,104 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2025-01-23 17:32:28,104 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:28,104 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2025-01-23 17:32:28,104 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:28,104 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2025-01-23 17:32:28,104 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:28,104 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 94 [2025-01-23 17:32:28,104 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:28,104 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 95 [2025-01-23 17:32:28,104 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:28,104 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 97 [2025-01-23 17:32:28,104 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:28,104 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 108 [2025-01-23 17:32:28,104 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:28,104 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 113 [2025-01-23 17:32:28,104 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:28,104 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 114 [2025-01-23 17:32:28,104 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:28,104 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 115 [2025-01-23 17:32:28,104 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:28,104 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 117 [2025-01-23 17:32:28,104 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:28,104 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 128 [2025-01-23 17:32:28,104 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:28,104 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 133 [2025-01-23 17:32:28,104 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:28,104 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 134 [2025-01-23 17:32:28,104 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:28,104 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 135 [2025-01-23 17:32:28,104 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:28,104 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 137 [2025-01-23 17:32:28,104 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:28,104 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 148 [2025-01-23 17:32:28,104 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:28,104 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 153 [2025-01-23 17:32:28,104 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:28,104 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 154 [2025-01-23 17:32:28,104 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:28,104 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 155 [2025-01-23 17:32:28,104 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:28,104 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 157 [2025-01-23 17:32:28,104 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:28,104 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-23 17:32:28,104 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 17:32:28,105 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 17:32:28,105 INFO L85 PathProgramCache]: Analyzing trace with hash -589396134, now seen corresponding path program 8 times [2025-01-23 17:32:28,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 17:32:28,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676680210] [2025-01-23 17:32:28,105 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-23 17:32:28,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 17:32:28,122 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 167 statements into 2 equivalence classes. [2025-01-23 17:32:28,145 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 167 of 167 statements. [2025-01-23 17:32:28,145 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-23 17:32:28,145 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 17:32:29,614 INFO L134 CoverageAnalysis]: Checked inductivity of 489 backedges. 0 proven. 434 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-01-23 17:32:29,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 17:32:29,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [676680210] [2025-01-23 17:32:29,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [676680210] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 17:32:29,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [115483448] [2025-01-23 17:32:29,615 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-23 17:32:29,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 17:32:29,615 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 17:32:29,616 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-23 17:32:29,617 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-01-23 17:32:29,716 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 167 statements into 2 equivalence classes. [2025-01-23 17:32:29,777 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 167 of 167 statements. [2025-01-23 17:32:29,777 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-23 17:32:29,777 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 17:32:29,780 INFO L256 TraceCheckSpWp]: Trace formula consists of 826 conjuncts, 114 conjuncts are in the unsatisfiable core [2025-01-23 17:32:29,785 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 17:32:29,852 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2025-01-23 17:32:29,852 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2025-01-23 17:32:29,878 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2025-01-23 17:32:29,991 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2025-01-23 17:32:30,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-23 17:32:30,055 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-01-23 17:32:30,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-23 17:32:30,088 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-01-23 17:32:30,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-23 17:32:30,223 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-01-23 17:32:30,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-23 17:32:30,267 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-01-23 17:32:30,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-23 17:32:30,415 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-01-23 17:32:30,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-23 17:32:30,449 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-01-23 17:32:30,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-23 17:32:30,592 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-01-23 17:32:30,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-23 17:32:30,623 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-01-23 17:32:30,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-23 17:32:30,751 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-01-23 17:32:30,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-23 17:32:30,786 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-01-23 17:32:30,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-23 17:32:30,927 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-01-23 17:32:30,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-23 17:32:30,963 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-01-23 17:32:31,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-23 17:32:31,100 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-01-23 17:32:31,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-23 17:32:31,133 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-01-23 17:32:31,245 INFO L134 CoverageAnalysis]: Checked inductivity of 489 backedges. 0 proven. 434 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-01-23 17:32:31,245 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 17:32:34,898 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1534 (Array Int Int)) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_91| Int)) (let ((.cse0 (* |c_t_funThread1of1ForFork0_~i~0#1| 28))) (or (< (+ .cse0 |c_~#cache~0.offset|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_91|) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1534) |c_~#cache~0.base|) (+ 196 .cse0 |c_~#cache~0.offset|)) 0)))) is different from false [2025-01-23 17:32:34,901 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1534 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1534) |c_~#cache~0.base|) (+ 196 (* |c_t_funThread1of1ForFork0_~i~0#1| 28) |c_~#cache~0.offset|)) 0)) is different from false [2025-01-23 17:32:34,904 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1534 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1534) |c_~#cache~0.base|) (+ 196 |c_~#cache~0.offset|)) 0)) is different from false [2025-01-23 17:32:34,970 INFO L134 CoverageAnalysis]: Checked inductivity of 489 backedges. 0 proven. 434 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-01-23 17:32:34,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [115483448] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 17:32:34,970 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 17:32:34,970 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22, 23] total 63 [2025-01-23 17:32:34,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709638689] [2025-01-23 17:32:34,970 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 17:32:34,971 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 64 states [2025-01-23 17:32:34,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 17:32:34,972 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2025-01-23 17:32:34,972 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=246, Invalid=3407, Unknown=19, NotChecked=360, Total=4032 [2025-01-23 17:32:34,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 17:32:34,973 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 17:32:34,973 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 64 states, 64 states have (on average 7.265625) internal successors, (465), 63 states have internal predecessors, (465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-23 17:32:34,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-23 17:32:34,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-23 17:32:34,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-23 17:32:34,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-23 17:32:34,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-23 17:32:34,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-23 17:32:34,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-01-23 17:32:34,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-01-23 17:32:34,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-01-23 17:32:34,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-01-23 17:32:34,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 17:32:36,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-23 17:32:36,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-23 17:32:36,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-23 17:32:36,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-23 17:32:36,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-23 17:32:36,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-23 17:32:36,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-23 17:32:36,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-23 17:32:36,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-23 17:32:36,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-23 17:32:36,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-01-23 17:32:36,408 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2025-01-23 17:32:36,601 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,11 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 17:32:36,602 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-23 17:32:36,602 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 17:32:36,602 INFO L139 ounterexampleChecker]: Examining path program with hash -835357110, occurence #9 [2025-01-23 17:32:36,602 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-23 17:32:36,602 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-23 17:32:36,602 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:36,602 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-01-23 17:32:36,602 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 17:32:36,602 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2025-01-23 17:32:36,602 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:36,602 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-01-23 17:32:36,602 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:36,602 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2025-01-23 17:32:36,602 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:36,602 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2025-01-23 17:32:36,602 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:36,602 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2025-01-23 17:32:36,602 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:36,602 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2025-01-23 17:32:36,602 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:36,602 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2025-01-23 17:32:36,602 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:36,602 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2025-01-23 17:32:36,602 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:36,602 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2025-01-23 17:32:36,602 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:36,603 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2025-01-23 17:32:36,603 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:36,603 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2025-01-23 17:32:36,603 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:36,603 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2025-01-23 17:32:36,603 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:36,603 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2025-01-23 17:32:36,603 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:36,603 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2025-01-23 17:32:36,603 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:36,603 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2025-01-23 17:32:36,603 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:36,603 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2025-01-23 17:32:36,603 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:36,603 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2025-01-23 17:32:36,603 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:36,603 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 94 [2025-01-23 17:32:36,603 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:36,603 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 95 [2025-01-23 17:32:36,603 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:36,603 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 97 [2025-01-23 17:32:36,603 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:36,603 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 108 [2025-01-23 17:32:36,603 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:36,603 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 113 [2025-01-23 17:32:36,603 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:36,603 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 114 [2025-01-23 17:32:36,603 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:36,603 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 115 [2025-01-23 17:32:36,603 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:36,603 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 117 [2025-01-23 17:32:36,603 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:36,603 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 128 [2025-01-23 17:32:36,603 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:36,603 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 133 [2025-01-23 17:32:36,603 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:36,603 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 134 [2025-01-23 17:32:36,603 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:36,603 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 135 [2025-01-23 17:32:36,603 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:36,603 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 137 [2025-01-23 17:32:36,603 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:36,603 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 148 [2025-01-23 17:32:36,603 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:36,603 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 153 [2025-01-23 17:32:36,603 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:36,603 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 154 [2025-01-23 17:32:36,603 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:36,603 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 155 [2025-01-23 17:32:36,603 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:36,603 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 157 [2025-01-23 17:32:36,603 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:36,603 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 168 [2025-01-23 17:32:36,603 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:36,603 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 173 [2025-01-23 17:32:36,603 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:36,603 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 174 [2025-01-23 17:32:36,603 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:36,603 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 175 [2025-01-23 17:32:36,603 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:36,604 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 177 [2025-01-23 17:32:36,604 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:32:36,604 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-23 17:32:36,604 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 17:32:36,604 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 17:32:36,604 INFO L85 PathProgramCache]: Analyzing trace with hash -260561610, now seen corresponding path program 9 times [2025-01-23 17:32:36,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 17:32:36,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [709028862] [2025-01-23 17:32:36,604 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-23 17:32:36,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 17:32:36,620 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 187 statements into 9 equivalence classes. [2025-01-23 17:32:36,680 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) and asserted 187 of 187 statements. [2025-01-23 17:32:36,680 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2025-01-23 17:32:36,680 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 17:32:39,155 INFO L134 CoverageAnalysis]: Checked inductivity of 631 backedges. 0 proven. 576 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-01-23 17:32:39,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 17:32:39,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [709028862] [2025-01-23 17:32:39,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [709028862] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 17:32:39,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1381340374] [2025-01-23 17:32:39,156 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-23 17:32:39,156 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 17:32:39,156 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 17:32:39,158 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-23 17:32:39,160 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-01-23 17:32:39,279 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 187 statements into 9 equivalence classes. [2025-01-23 17:33:09,881 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) and asserted 187 of 187 statements. [2025-01-23 17:33:09,881 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2025-01-23 17:33:09,881 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 17:33:09,904 INFO L256 TraceCheckSpWp]: Trace formula consists of 898 conjuncts, 132 conjuncts are in the unsatisfiable core [2025-01-23 17:33:09,913 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 17:33:10,108 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2025-01-23 17:33:10,109 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2025-01-23 17:33:10,181 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 16 [2025-01-23 17:33:10,331 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 16 [2025-01-23 17:33:10,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-23 17:33:10,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-23 17:33:10,419 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2025-01-23 17:33:10,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-23 17:33:10,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-23 17:33:10,463 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2025-01-23 17:33:10,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-23 17:33:10,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-23 17:33:10,646 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2025-01-23 17:33:10,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-23 17:33:10,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-23 17:33:10,689 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2025-01-23 17:33:10,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-23 17:33:10,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-23 17:33:10,864 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2025-01-23 17:33:10,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-23 17:33:10,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-23 17:33:10,908 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2025-01-23 17:33:11,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-23 17:33:11,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-23 17:33:11,096 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2025-01-23 17:33:11,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-23 17:33:11,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-23 17:33:11,135 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2025-01-23 17:33:11,306 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2025-01-23 17:33:11,380 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 14 [2025-01-23 17:33:11,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-23 17:33:11,583 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-01-23 17:33:11,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-23 17:33:11,625 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-01-23 17:33:11,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-23 17:33:11,772 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-01-23 17:33:11,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-23 17:33:11,812 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-01-23 17:33:12,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-23 17:33:12,008 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-01-23 17:33:12,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-23 17:33:12,047 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-01-23 17:33:12,179 INFO L134 CoverageAnalysis]: Checked inductivity of 631 backedges. 0 proven. 576 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-01-23 17:33:12,180 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 17:33:16,140 INFO L134 CoverageAnalysis]: Checked inductivity of 631 backedges. 0 proven. 576 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-01-23 17:33:16,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1381340374] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 17:33:16,141 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 17:33:16,141 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 26, 24] total 73 [2025-01-23 17:33:16,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320687406] [2025-01-23 17:33:16,141 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 17:33:16,141 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 74 states [2025-01-23 17:33:16,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 17:33:16,142 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 74 interpolants. [2025-01-23 17:33:16,143 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=304, Invalid=5037, Unknown=61, NotChecked=0, Total=5402 [2025-01-23 17:33:16,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 17:33:16,143 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 17:33:16,143 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 74 states, 74 states have (on average 7.094594594594595) internal successors, (525), 73 states have internal predecessors, (525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-23 17:33:16,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-23 17:33:16,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-23 17:33:16,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-23 17:33:16,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-23 17:33:16,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-23 17:33:16,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-23 17:33:16,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-01-23 17:33:16,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-01-23 17:33:16,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-01-23 17:33:16,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-01-23 17:33:16,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-01-23 17:33:16,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 17:33:18,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-23 17:33:18,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-23 17:33:18,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-23 17:33:18,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-23 17:33:18,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-23 17:33:18,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-23 17:33:18,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-23 17:33:18,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-23 17:33:18,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-23 17:33:18,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-23 17:33:18,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-01-23 17:33:18,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-01-23 17:33:18,247 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2025-01-23 17:33:18,429 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2025-01-23 17:33:18,430 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-23 17:33:18,430 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 17:33:18,430 INFO L139 ounterexampleChecker]: Examining path program with hash -835357110, occurence #10 [2025-01-23 17:33:18,430 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-23 17:33:18,430 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-23 17:33:18,430 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:33:18,430 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-01-23 17:33:18,430 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 17:33:18,430 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2025-01-23 17:33:18,430 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:33:18,430 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-01-23 17:33:18,430 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:33:18,430 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2025-01-23 17:33:18,430 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:33:18,430 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2025-01-23 17:33:18,430 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:33:18,430 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2025-01-23 17:33:18,430 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:33:18,431 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2025-01-23 17:33:18,431 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:33:18,431 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2025-01-23 17:33:18,431 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:33:18,431 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2025-01-23 17:33:18,431 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:33:18,431 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2025-01-23 17:33:18,431 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:33:18,431 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2025-01-23 17:33:18,431 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:33:18,431 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2025-01-23 17:33:18,431 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:33:18,431 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2025-01-23 17:33:18,431 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:33:18,431 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2025-01-23 17:33:18,431 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:33:18,431 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2025-01-23 17:33:18,431 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:33:18,431 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2025-01-23 17:33:18,431 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:33:18,431 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2025-01-23 17:33:18,431 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:33:18,431 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2025-01-23 17:33:18,431 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:33:18,431 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 94 [2025-01-23 17:33:18,431 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:33:18,431 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 95 [2025-01-23 17:33:18,431 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:33:18,431 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 97 [2025-01-23 17:33:18,431 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:33:18,431 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 108 [2025-01-23 17:33:18,431 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:33:18,431 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 113 [2025-01-23 17:33:18,431 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:33:18,431 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 114 [2025-01-23 17:33:18,431 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:33:18,431 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 115 [2025-01-23 17:33:18,431 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:33:18,431 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 117 [2025-01-23 17:33:18,431 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:33:18,431 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 128 [2025-01-23 17:33:18,431 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:33:18,431 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 133 [2025-01-23 17:33:18,431 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:33:18,431 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 134 [2025-01-23 17:33:18,431 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:33:18,431 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 135 [2025-01-23 17:33:18,431 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:33:18,431 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 137 [2025-01-23 17:33:18,431 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:33:18,432 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 148 [2025-01-23 17:33:18,432 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:33:18,432 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 153 [2025-01-23 17:33:18,432 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:33:18,432 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 154 [2025-01-23 17:33:18,432 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:33:18,432 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 155 [2025-01-23 17:33:18,432 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:33:18,432 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 157 [2025-01-23 17:33:18,433 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:33:18,433 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 168 [2025-01-23 17:33:18,433 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:33:18,433 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 173 [2025-01-23 17:33:18,433 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:33:18,433 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 174 [2025-01-23 17:33:18,433 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:33:18,433 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 175 [2025-01-23 17:33:18,433 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:33:18,433 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 177 [2025-01-23 17:33:18,433 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:33:18,433 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 188 [2025-01-23 17:33:18,433 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:33:18,433 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 193 [2025-01-23 17:33:18,433 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:33:18,433 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 194 [2025-01-23 17:33:18,433 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:33:18,433 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 195 [2025-01-23 17:33:18,433 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:33:18,433 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 197 [2025-01-23 17:33:18,433 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 17:33:18,433 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-23 17:33:18,433 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 17:33:18,434 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 17:33:18,434 INFO L85 PathProgramCache]: Analyzing trace with hash -543933166, now seen corresponding path program 10 times [2025-01-23 17:33:18,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 17:33:18,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105684422] [2025-01-23 17:33:18,434 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-23 17:33:18,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 17:33:18,462 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 207 statements into 2 equivalence classes. [2025-01-23 17:33:18,633 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 207 of 207 statements. [2025-01-23 17:33:18,634 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-01-23 17:33:18,634 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 17:33:21,357 INFO L134 CoverageAnalysis]: Checked inductivity of 793 backedges. 0 proven. 738 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-01-23 17:33:21,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 17:33:21,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105684422] [2025-01-23 17:33:21,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2105684422] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 17:33:21,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1228305280] [2025-01-23 17:33:21,358 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-23 17:33:21,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 17:33:21,358 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 17:33:21,360 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-23 17:33:21,361 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2025-01-23 17:33:21,506 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 207 statements into 2 equivalence classes. Killed by 15