./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_72-funloop_hard_racing.i --traceabstraction.use.conditional.por.in.concurrent.analysis true --traceabstraction.commutativity.condition.synthesis NECESSARY_AND_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_72-funloop_hard_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 566e2cbe460cf96671c9cef5a53ce51910e23c462e96f394be80b957976729c5 --traceabstraction.use.conditional.por.in.concurrent.analysis true --traceabstraction.commutativity.condition.synthesis NECESSARY_AND_SUFFICIENT --- Real Ultimate output --- This is Ultimate 0.3.0-dev-ebd4107-m [2025-01-24 00:57:39,726 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-24 00:57:39,817 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2025-01-24 00:57:39,825 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-24 00:57:39,825 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-24 00:57:39,846 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-24 00:57:39,847 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-24 00:57:39,847 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-24 00:57:39,848 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-24 00:57:39,848 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-24 00:57:39,848 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-24 00:57:39,849 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-24 00:57:39,849 INFO L153 SettingsManager]: * Use SBE=true [2025-01-24 00:57:39,849 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-24 00:57:39,849 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-24 00:57:39,849 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-24 00:57:39,849 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-24 00:57:39,849 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-24 00:57:39,849 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-24 00:57:39,850 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-24 00:57:39,850 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-24 00:57:39,850 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-24 00:57:39,850 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-24 00:57:39,850 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-24 00:57:39,850 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-24 00:57:39,850 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-24 00:57:39,850 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-24 00:57:39,850 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-24 00:57:39,850 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-24 00:57:39,850 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-24 00:57:39,850 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-01-24 00:57:39,851 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-24 00:57:39,851 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-24 00:57:39,851 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-24 00:57:39,851 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-01-24 00:57:39,851 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-24 00:57:39,851 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-24 00:57:39,851 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-01-24 00:57:39,852 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-24 00:57:39,852 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-24 00:57:39,852 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-01-24 00:57:39,852 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-01-24 00:57:39,852 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-01-24 00:57:39,852 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 -> 566e2cbe460cf96671c9cef5a53ce51910e23c462e96f394be80b957976729c5 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 -> NECESSARY_AND_SUFFICIENT [2025-01-24 00:57:40,115 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-24 00:57:40,129 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-24 00:57:40,131 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-24 00:57:40,132 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-24 00:57:40,132 INFO L274 PluginConnector]: CDTParser initialized [2025-01-24 00:57:40,134 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_72-funloop_hard_racing.i [2025-01-24 00:57:41,342 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/be2555542/8503b9cf7df3460bb7052f05410a5f42/FLAG0ddf7337a [2025-01-24 00:57:41,609 INFO L384 CDTParser]: Found 1 translation units. [2025-01-24 00:57:41,611 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/trunk/examples/svcomp/goblint-regression/28-race_reach_72-funloop_hard_racing.i [2025-01-24 00:57:41,628 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/be2555542/8503b9cf7df3460bb7052f05410a5f42/FLAG0ddf7337a [2025-01-24 00:57:41,904 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/be2555542/8503b9cf7df3460bb7052f05410a5f42 [2025-01-24 00:57:41,906 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-24 00:57:41,910 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-24 00:57:41,911 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-24 00:57:41,911 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-24 00:57:41,916 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-24 00:57:41,917 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.01 12:57:41" (1/1) ... [2025-01-24 00:57:41,918 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ec2aa0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 12:57:41, skipping insertion in model container [2025-01-24 00:57:41,918 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.01 12:57:41" (1/1) ... [2025-01-24 00:57:41,937 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-24 00:57:42,180 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_72-funloop_hard_racing.i[41323,41336] [2025-01-24 00:57:42,205 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-24 00:57:42,233 INFO L200 MainTranslator]: Completed pre-run [2025-01-24 00:57:42,310 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_72-funloop_hard_racing.i[41323,41336] [2025-01-24 00:57:42,318 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-24 00:57:42,358 INFO L204 MainTranslator]: Completed translation [2025-01-24 00:57:42,360 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 12:57:42 WrapperNode [2025-01-24 00:57:42,360 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-24 00:57:42,361 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-24 00:57:42,361 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-24 00:57:42,361 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-24 00:57:42,365 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 12:57:42" (1/1) ... [2025-01-24 00:57:42,380 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 12:57:42" (1/1) ... [2025-01-24 00:57:42,404 INFO L138 Inliner]: procedures = 272, calls = 109, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 314 [2025-01-24 00:57:42,408 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-24 00:57:42,408 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-24 00:57:42,408 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-24 00:57:42,408 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-24 00:57:42,413 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 12:57:42" (1/1) ... [2025-01-24 00:57:42,413 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 12:57:42" (1/1) ... [2025-01-24 00:57:42,416 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 12:57:42" (1/1) ... [2025-01-24 00:57:42,416 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 12:57:42" (1/1) ... [2025-01-24 00:57:42,427 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 12:57:42" (1/1) ... [2025-01-24 00:57:42,428 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 12:57:42" (1/1) ... [2025-01-24 00:57:42,435 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 12:57:42" (1/1) ... [2025-01-24 00:57:42,441 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 12:57:42" (1/1) ... [2025-01-24 00:57:42,442 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 12:57:42" (1/1) ... [2025-01-24 00:57:42,448 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-24 00:57:42,448 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-24 00:57:42,448 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-24 00:57:42,448 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-24 00:57:42,449 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 12:57:42" (1/1) ... [2025-01-24 00:57:42,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-01-24 00:57:42,472 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 00:57:42,485 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) [2025-01-24 00:57:42,492 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 [2025-01-24 00:57:42,512 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-24 00:57:42,513 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-24 00:57:42,513 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-01-24 00:57:42,513 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-01-24 00:57:42,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-01-24 00:57:42,513 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-01-24 00:57:42,513 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-24 00:57:42,513 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2025-01-24 00:57:42,513 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2025-01-24 00:57:42,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-01-24 00:57:42,513 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-24 00:57:42,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-24 00:57:42,514 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-01-24 00:57:42,627 INFO L234 CfgBuilder]: Building ICFG [2025-01-24 00:57:42,628 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-24 00:57:43,042 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-01-24 00:57:43,042 INFO L283 CfgBuilder]: Performing block encoding [2025-01-24 00:57:43,380 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-24 00:57:43,380 INFO L312 CfgBuilder]: Removed 15 assume(true) statements. [2025-01-24 00:57:43,381 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.01 12:57:43 BoogieIcfgContainer [2025-01-24 00:57:43,381 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-24 00:57:43,382 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-24 00:57:43,382 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-24 00:57:43,386 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-24 00:57:43,386 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.01 12:57:41" (1/3) ... [2025-01-24 00:57:43,386 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@99e675b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.01 12:57:43, skipping insertion in model container [2025-01-24 00:57:43,386 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 12:57:42" (2/3) ... [2025-01-24 00:57:43,386 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@99e675b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.01 12:57:43, skipping insertion in model container [2025-01-24 00:57:43,386 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.01 12:57:43" (3/3) ... [2025-01-24 00:57:43,387 INFO L128 eAbstractionObserver]: Analyzing ICFG 28-race_reach_72-funloop_hard_racing.i [2025-01-24 00:57:43,396 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-24 00:57:43,397 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 28-race_reach_72-funloop_hard_racing.i that has 2 procedures, 97 locations, 1 initial locations, 20 loop locations, and 3 error locations. [2025-01-24 00:57:43,397 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-01-24 00:57:43,431 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2025-01-24 00:57:43,466 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-24 00:57:43,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-01-24 00:57:43,467 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 00:57:43,472 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) [2025-01-24 00:57:43,473 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 [2025-01-24 00:57:43,539 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-01-24 00:57:43,550 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t_funThread1of1ForFork0 ======== [2025-01-24 00:57:43,558 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;@1ca1beba, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-24 00:57:43,558 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-24 00:57:43,809 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-24 00:57:43,809 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 00:57:43,810 INFO L139 ounterexampleChecker]: Examining path program with hash -949398351, occurence #1 [2025-01-24 00:57:43,810 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-24 00:57:43,810 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 00:57:43,814 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 00:57:43,814 INFO L85 PathProgramCache]: Analyzing trace with hash 1746036955, now seen corresponding path program 1 times [2025-01-24 00:57:43,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 00:57:43,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702899375] [2025-01-24 00:57:43,819 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 00:57:43,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 00:57:43,880 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-01-24 00:57:43,905 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-01-24 00:57:43,906 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 00:57:43,906 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 00:57:44,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 00:57:44,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 00:57:44,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702899375] [2025-01-24 00:57:44,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [702899375] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-24 00:57:44,065 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-24 00:57:44,065 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-24 00:57:44,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473926198] [2025-01-24 00:57:44,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-24 00:57:44,069 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-24 00:57:44,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 00:57:44,079 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-24 00:57:44,081 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-24 00:57:44,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 00:57:44,082 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 00:57:44,083 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) [2025-01-24 00:57:44,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 00:57:44,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 00:57:44,133 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-24 00:57:44,133 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-24 00:57:44,133 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 00:57:44,133 INFO L139 ounterexampleChecker]: Examining path program with hash -949398351, occurence #2 [2025-01-24 00:57:44,133 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 00:57:44,133 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2025-01-24 00:57:44,134 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:57:44,134 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-01-24 00:57:44,134 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 00:57:44,134 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 00:57:44,134 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 00:57:44,135 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 00:57:44,135 INFO L85 PathProgramCache]: Analyzing trace with hash -1289414123, now seen corresponding path program 1 times [2025-01-24 00:57:44,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 00:57:44,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308538440] [2025-01-24 00:57:44,135 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 00:57:44,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 00:57:44,145 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-01-24 00:57:44,150 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-01-24 00:57:44,151 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 00:57:44,151 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 00:57:44,221 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 00:57:44,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 00:57:44,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308538440] [2025-01-24 00:57:44,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [308538440] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 00:57:44,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [374155564] [2025-01-24 00:57:44,222 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 00:57:44,225 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 00:57:44,226 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 00:57:44,230 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) [2025-01-24 00:57:44,234 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 [2025-01-24 00:57:44,299 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-01-24 00:57:44,348 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-01-24 00:57:44,348 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 00:57:44,348 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 00:57:44,350 INFO L256 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-24 00:57:44,352 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 00:57:44,369 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 00:57:44,370 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 00:57:44,390 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 00:57:44,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [374155564] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 00:57:44,391 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 00:57:44,392 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2025-01-24 00:57:44,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238770300] [2025-01-24 00:57:44,392 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 00:57:44,393 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-24 00:57:44,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 00:57:44,393 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-24 00:57:44,393 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-01-24 00:57:44,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 00:57:44,394 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 00:57:44,394 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) [2025-01-24 00:57:44,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 00:57:44,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 00:57:44,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 00:57:44,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-24 00:57:44,493 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 [2025-01-24 00:57:44,690 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 [2025-01-24 00:57:44,690 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-24 00:57:44,690 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 00:57:44,691 INFO L139 ounterexampleChecker]: Examining path program with hash -949398351, occurence #3 [2025-01-24 00:57:44,691 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 00:57:44,692 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2025-01-24 00:57:44,692 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:57:44,692 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2025-01-24 00:57:44,692 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 00:57:44,692 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 00:57:44,692 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 00:57:44,692 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 00:57:44,692 INFO L85 PathProgramCache]: Analyzing trace with hash -271456421, now seen corresponding path program 2 times [2025-01-24 00:57:44,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 00:57:44,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166077119] [2025-01-24 00:57:44,693 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-24 00:57:44,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 00:57:44,709 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 21 statements into 2 equivalence classes. [2025-01-24 00:57:44,730 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 17 of 21 statements. [2025-01-24 00:57:44,731 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-01-24 00:57:44,731 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 00:57:45,107 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-01-24 00:57:45,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 00:57:45,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166077119] [2025-01-24 00:57:45,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [166077119] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-24 00:57:45,108 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-24 00:57:45,108 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-01-24 00:57:45,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747334599] [2025-01-24 00:57:45,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-24 00:57:45,108 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-24 00:57:45,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 00:57:45,109 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-24 00:57:45,109 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-01-24 00:57:45,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 00:57:45,109 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 00:57:45,109 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) [2025-01-24 00:57:45,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 00:57:45,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-24 00:57:45,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 00:57:45,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 00:57:45,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-24 00:57:45,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-24 00:57:45,250 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-24 00:57:45,250 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-24 00:57:45,250 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 00:57:45,250 INFO L139 ounterexampleChecker]: Examining path program with hash 1607340975, occurence #1 [2025-01-24 00:57:45,250 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-24 00:57:45,250 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 00:57:45,251 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 00:57:45,251 INFO L85 PathProgramCache]: Analyzing trace with hash -1456833096, now seen corresponding path program 1 times [2025-01-24 00:57:45,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 00:57:45,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873539786] [2025-01-24 00:57:45,251 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 00:57:45,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 00:57:45,280 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-01-24 00:57:45,304 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-01-24 00:57:45,304 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 00:57:45,304 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 00:57:45,430 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-01-24 00:57:45,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 00:57:45,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1873539786] [2025-01-24 00:57:45,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1873539786] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 00:57:45,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [4050191] [2025-01-24 00:57:45,430 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 00:57:45,430 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 00:57:45,430 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 00:57:45,436 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) [2025-01-24 00:57:45,438 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 [2025-01-24 00:57:45,507 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-01-24 00:57:45,551 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-01-24 00:57:45,552 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 00:57:45,552 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 00:57:45,553 INFO L256 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-01-24 00:57:45,555 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 00:57:45,569 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-01-24 00:57:45,569 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 00:57:45,630 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-01-24 00:57:45,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [4050191] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 00:57:45,630 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 00:57:45,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2025-01-24 00:57:45,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384959364] [2025-01-24 00:57:45,630 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 00:57:45,631 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-01-24 00:57:45,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 00:57:45,631 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-01-24 00:57:45,631 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2025-01-24 00:57:45,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 00:57:45,631 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 00:57:45,631 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) [2025-01-24 00:57:45,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 00:57:45,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-24 00:57:45,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-24 00:57:45,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 00:57:45,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 00:57:45,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-24 00:57:45,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-24 00:57:45,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-24 00:57:45,704 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-01-24 00:57:45,898 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 [2025-01-24 00:57:45,898 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-24 00:57:45,898 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 00:57:45,899 INFO L139 ounterexampleChecker]: Examining path program with hash 1607340975, occurence #2 [2025-01-24 00:57:45,899 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 00:57:45,899 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2025-01-24 00:57:45,899 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:57:45,899 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-01-24 00:57:45,899 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 00:57:45,900 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2025-01-24 00:57:45,900 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:57:45,900 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-01-24 00:57:45,900 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:57:45,900 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2025-01-24 00:57:45,900 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:57:45,900 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2025-01-24 00:57:45,900 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:57:45,900 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2025-01-24 00:57:45,900 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:57:45,900 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 00:57:45,901 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 00:57:45,901 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 00:57:45,901 INFO L85 PathProgramCache]: Analyzing trace with hash 655704952, now seen corresponding path program 2 times [2025-01-24 00:57:45,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 00:57:45,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225729210] [2025-01-24 00:57:45,902 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-24 00:57:45,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 00:57:45,914 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 47 statements into 2 equivalence classes. [2025-01-24 00:57:45,933 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 47 of 47 statements. [2025-01-24 00:57:45,933 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-24 00:57:45,933 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 00:57:46,590 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-01-24 00:57:46,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 00:57:46,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [225729210] [2025-01-24 00:57:46,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [225729210] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 00:57:46,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1115827945] [2025-01-24 00:57:46,591 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-24 00:57:46,591 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 00:57:46,591 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 00:57:46,592 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) [2025-01-24 00:57:46,609 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 [2025-01-24 00:57:46,667 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 47 statements into 2 equivalence classes. [2025-01-24 00:57:46,708 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 47 of 47 statements. [2025-01-24 00:57:46,708 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-24 00:57:46,708 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 00:57:46,709 INFO L256 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 39 conjuncts are in the unsatisfiable core [2025-01-24 00:57:46,711 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 00:57:46,813 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2025-01-24 00:57:46,814 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 [2025-01-24 00:57:46,844 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 [2025-01-24 00:57:46,982 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 16 treesize of output 11 [2025-01-24 00:57:47,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-24 00:57:47,060 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 [2025-01-24 00:57:47,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-24 00:57:47,115 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 [2025-01-24 00:57:47,275 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-01-24 00:57:47,275 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 00:57:47,394 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 [2025-01-24 00:57:47,414 WARN L851 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_25| Int) (v_ArrVal_214 (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_214) |c_~#cache~0.base|) (+ .cse0 28 |c_~#cache~0.offset|)) 0) (< (+ .cse0 |c_~#cache~0.offset|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_25|)))) is different from false [2025-01-24 00:57:47,444 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 [2025-01-24 00:57:47,534 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-01-24 00:57:47,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1115827945] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 00:57:47,534 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 00:57:47,534 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 11] total 26 [2025-01-24 00:57:47,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993981732] [2025-01-24 00:57:47,534 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 00:57:47,534 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2025-01-24 00:57:47,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 00:57:47,535 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2025-01-24 00:57:47,535 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=454, Unknown=12, NotChecked=138, Total=702 [2025-01-24 00:57:47,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 00:57:47,535 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 00:57:47,535 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 3.8518518518518516) internal successors, (104), 26 states have internal predecessors, (104), 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) [2025-01-24 00:57:47,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 00:57:47,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-24 00:57:47,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-24 00:57:47,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-24 00:57:47,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 00:57:47,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 00:57:47,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-24 00:57:47,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-24 00:57:47,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-24 00:57:47,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-24 00:57:47,799 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 [2025-01-24 00:57:47,992 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 [2025-01-24 00:57:47,993 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-24 00:57:47,993 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 00:57:47,994 INFO L139 ounterexampleChecker]: Examining path program with hash 1607340975, occurence #3 [2025-01-24 00:57:47,994 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 00:57:47,994 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2025-01-24 00:57:47,994 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:57:47,994 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-01-24 00:57:47,994 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 00:57:47,994 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2025-01-24 00:57:47,994 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:57:47,994 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-01-24 00:57:47,994 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:57:47,994 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2025-01-24 00:57:47,994 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:57:47,994 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2025-01-24 00:57:47,994 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:57:47,995 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2025-01-24 00:57:47,995 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:57:47,995 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2025-01-24 00:57:47,995 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:57:47,995 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2025-01-24 00:57:47,995 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:57:47,995 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2025-01-24 00:57:47,995 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:57:47,995 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2025-01-24 00:57:47,995 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:57:47,995 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2025-01-24 00:57:47,995 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:57:47,995 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 00:57:47,995 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 00:57:47,995 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 00:57:47,995 INFO L85 PathProgramCache]: Analyzing trace with hash 108767573, now seen corresponding path program 3 times [2025-01-24 00:57:47,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 00:57:47,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388820259] [2025-01-24 00:57:47,995 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-24 00:57:47,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 00:57:48,014 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 67 statements into 6 equivalence classes. [2025-01-24 00:57:48,064 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 61 of 67 statements. [2025-01-24 00:57:48,065 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-01-24 00:57:48,065 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 00:57:49,065 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-01-24 00:57:49,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 00:57:49,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1388820259] [2025-01-24 00:57:49,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1388820259] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 00:57:49,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1772919679] [2025-01-24 00:57:49,066 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-24 00:57:49,066 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 00:57:49,066 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 00:57:49,068 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) [2025-01-24 00:57:49,069 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 [2025-01-24 00:57:49,129 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 67 statements into 6 equivalence classes. [2025-01-24 00:57:49,181 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 61 of 67 statements. [2025-01-24 00:57:49,182 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-01-24 00:57:49,182 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 00:57:49,183 INFO L256 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 51 conjuncts are in the unsatisfiable core [2025-01-24 00:57:49,187 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 00:57:49,290 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2025-01-24 00:57:49,290 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 [2025-01-24 00:57:49,317 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 [2025-01-24 00:57:49,421 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 [2025-01-24 00:57:49,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-24 00:57:49,503 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 [2025-01-24 00:57:49,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-24 00:57:49,553 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 [2025-01-24 00:57:49,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-24 00:57:49,721 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 [2025-01-24 00:57:49,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-24 00:57:49,761 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 [2025-01-24 00:57:49,880 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-01-24 00:57:49,881 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 00:57:51,577 WARN L851 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_31| Int) (v_ArrVal_344 (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_344) |c_~#cache~0.base|) (+ 56 .cse0 |c_~#cache~0.offset|)) 0) (< (+ .cse0 |c_~#cache~0.offset|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_31|)))) is different from false [2025-01-24 00:57:51,765 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-01-24 00:57:51,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1772919679] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 00:57:51,765 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 00:57:51,765 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 12, 13] total 36 [2025-01-24 00:57:51,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547868919] [2025-01-24 00:57:51,765 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 00:57:51,766 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2025-01-24 00:57:51,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 00:57:51,766 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2025-01-24 00:57:51,767 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=147, Invalid=1084, Unknown=33, NotChecked=68, Total=1332 [2025-01-24 00:57:51,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 00:57:51,767 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 00:57:51,767 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 4.486486486486487) internal successors, (166), 36 states have internal predecessors, (166), 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) [2025-01-24 00:57:51,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 00:57:51,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-24 00:57:51,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-24 00:57:51,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-24 00:57:51,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-24 00:57:51,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 00:57:52,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 00:57:52,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-24 00:57:52,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-24 00:57:52,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-24 00:57:52,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-24 00:57:52,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-24 00:57:52,349 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 [2025-01-24 00:57:52,547 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 [2025-01-24 00:57:52,549 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-24 00:57:52,549 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 00:57:52,549 INFO L139 ounterexampleChecker]: Examining path program with hash 1607340975, occurence #4 [2025-01-24 00:57:52,549 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 00:57:52,549 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2025-01-24 00:57:52,549 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:57:52,549 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-01-24 00:57:52,550 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 00:57:52,550 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2025-01-24 00:57:52,550 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:57:52,550 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-01-24 00:57:52,550 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:57:52,550 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2025-01-24 00:57:52,550 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:57:52,550 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2025-01-24 00:57:52,550 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:57:52,550 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2025-01-24 00:57:52,550 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:57:52,550 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2025-01-24 00:57:52,550 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:57:52,550 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2025-01-24 00:57:52,550 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:57:52,550 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2025-01-24 00:57:52,550 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:57:52,550 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2025-01-24 00:57:52,550 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:57:52,550 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2025-01-24 00:57:52,550 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:57:52,550 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2025-01-24 00:57:52,550 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:57:52,550 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2025-01-24 00:57:52,551 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:57:52,551 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2025-01-24 00:57:52,551 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:57:52,551 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2025-01-24 00:57:52,551 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:57:52,551 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2025-01-24 00:57:52,551 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:57:52,551 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 00:57:52,551 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 00:57:52,551 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 00:57:52,551 INFO L85 PathProgramCache]: Analyzing trace with hash 1875476146, now seen corresponding path program 4 times [2025-01-24 00:57:52,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 00:57:52,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109461007] [2025-01-24 00:57:52,551 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-24 00:57:52,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 00:57:52,571 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 87 statements into 2 equivalence classes. [2025-01-24 00:57:52,605 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 87 of 87 statements. [2025-01-24 00:57:52,606 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-01-24 00:57:52,606 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 00:57:53,968 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-01-24 00:57:53,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 00:57:53,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1109461007] [2025-01-24 00:57:53,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1109461007] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 00:57:53,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [795044581] [2025-01-24 00:57:53,969 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-24 00:57:53,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 00:57:53,969 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 00:57:53,973 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) [2025-01-24 00:57:53,974 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 [2025-01-24 00:57:54,044 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 87 statements into 2 equivalence classes. [2025-01-24 00:57:54,182 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 87 of 87 statements. [2025-01-24 00:57:54,182 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-01-24 00:57:54,182 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 00:57:54,187 INFO L256 TraceCheckSpWp]: Trace formula consists of 538 conjuncts, 66 conjuncts are in the unsatisfiable core [2025-01-24 00:57:54,190 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 00:57:54,268 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2025-01-24 00:57:54,269 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 [2025-01-24 00:57:54,289 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 [2025-01-24 00:57:54,387 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 16 treesize of output 11 [2025-01-24 00:57:54,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-24 00:57:54,459 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 [2025-01-24 00:57:54,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-24 00:57:54,501 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 [2025-01-24 00:57:54,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-24 00:57:54,657 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 [2025-01-24 00:57:54,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-24 00:57:54,699 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 [2025-01-24 00:57:54,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-24 00:57:54,856 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 [2025-01-24 00:57:54,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-24 00:57:54,908 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 [2025-01-24 00:57:55,025 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-01-24 00:57:55,025 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 00:57:55,397 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_513 Int) (v_ArrVal_510 (Array Int Int))) (= (select (select (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_510))) (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_513))) |c_~#cache~0.base|) (+ 84 (* |c_t_funThread1of1ForFork0_~i~0#1| 28) |c_~#cache~0.offset|)) 0)) is different from false [2025-01-24 00:57:55,409 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 [2025-01-24 00:57:55,564 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-01-24 00:57:55,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [795044581] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 00:57:55,564 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 00:57:55,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 14, 15] total 41 [2025-01-24 00:57:55,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536316076] [2025-01-24 00:57:55,564 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 00:57:55,565 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2025-01-24 00:57:55,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 00:57:55,566 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2025-01-24 00:57:55,566 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=169, Invalid=1373, Unknown=26, NotChecked=154, Total=1722 [2025-01-24 00:57:55,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 00:57:55,566 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 00:57:55,567 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 5.357142857142857) internal successors, (225), 41 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) [2025-01-24 00:57:55,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 00:57:55,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-24 00:57:55,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-24 00:57:55,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-24 00:57:55,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-24 00:57:55,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-24 00:57:55,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 00:57:56,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 00:57:56,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-24 00:57:56,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-24 00:57:56,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-24 00:57:56,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-24 00:57:56,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-24 00:57:56,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-24 00:57:56,180 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-01-24 00:57:56,377 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 [2025-01-24 00:57:56,377 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-24 00:57:56,377 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 00:57:56,377 INFO L139 ounterexampleChecker]: Examining path program with hash 1607340975, occurence #5 [2025-01-24 00:57:56,377 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 00:57:56,377 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2025-01-24 00:57:56,377 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:57:56,377 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-01-24 00:57:56,377 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 00:57:56,377 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2025-01-24 00:57:56,377 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:57:56,377 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-01-24 00:57:56,377 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:57:56,377 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2025-01-24 00:57:56,377 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:57:56,377 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2025-01-24 00:57:56,377 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:57:56,377 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2025-01-24 00:57:56,377 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:57:56,377 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2025-01-24 00:57:56,378 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:57:56,378 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2025-01-24 00:57:56,378 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:57:56,378 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2025-01-24 00:57:56,378 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:57:56,378 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2025-01-24 00:57:56,378 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:57:56,378 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2025-01-24 00:57:56,378 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:57:56,378 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2025-01-24 00:57:56,378 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:57:56,378 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2025-01-24 00:57:56,378 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:57:56,378 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2025-01-24 00:57:56,378 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:57:56,378 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2025-01-24 00:57:56,378 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:57:56,378 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2025-01-24 00:57:56,378 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:57:56,378 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2025-01-24 00:57:56,378 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:57:56,378 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2025-01-24 00:57:56,378 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:57:56,378 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 94 [2025-01-24 00:57:56,378 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:57:56,378 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 95 [2025-01-24 00:57:56,378 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:57:56,378 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 97 [2025-01-24 00:57:56,378 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:57:56,378 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 00:57:56,378 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 00:57:56,378 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 00:57:56,379 INFO L85 PathProgramCache]: Analyzing trace with hash 141296527, now seen corresponding path program 5 times [2025-01-24 00:57:56,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 00:57:56,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409003240] [2025-01-24 00:57:56,379 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-24 00:57:56,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 00:57:56,406 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 107 statements into 6 equivalence classes. [2025-01-24 00:57:56,459 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) and asserted 107 of 107 statements. [2025-01-24 00:57:56,460 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2025-01-24 00:57:56,460 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 00:57:57,637 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 0 proven. 128 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-01-24 00:57:57,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 00:57:57,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [409003240] [2025-01-24 00:57:57,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [409003240] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 00:57:57,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2109387713] [2025-01-24 00:57:57,638 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-24 00:57:57,638 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 00:57:57,638 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 00:57:57,640 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) [2025-01-24 00:57:57,641 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 [2025-01-24 00:57:57,725 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 107 statements into 6 equivalence classes. [2025-01-24 00:58:01,416 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) and asserted 107 of 107 statements. [2025-01-24 00:58:01,417 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2025-01-24 00:58:01,417 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 00:58:01,427 INFO L256 TraceCheckSpWp]: Trace formula consists of 610 conjuncts, 78 conjuncts are in the unsatisfiable core [2025-01-24 00:58:01,432 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 00:58:01,513 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2025-01-24 00:58:01,513 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 [2025-01-24 00:58:01,540 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 [2025-01-24 00:58:01,657 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 [2025-01-24 00:58:01,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-24 00:58:01,729 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 [2025-01-24 00:58:01,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-24 00:58:01,772 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 [2025-01-24 00:58:01,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-24 00:58:01,931 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 [2025-01-24 00:58:01,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-24 00:58:01,976 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 [2025-01-24 00:58:02,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-24 00:58:02,105 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 [2025-01-24 00:58:02,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-24 00:58:02,150 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 [2025-01-24 00:58:02,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-24 00:58:02,296 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 [2025-01-24 00:58:02,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-24 00:58:02,340 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 [2025-01-24 00:58:02,465 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 0 proven. 128 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-01-24 00:58:02,465 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 00:58:03,039 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 [2025-01-24 00:58:03,138 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_t_funThread1of1ForFork0_~i~0#1| 28) |c_~#cache~0.offset|)) 0)) is different from false [2025-01-24 00:58:03,275 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 0 proven. 128 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-01-24 00:58:03,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2109387713] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 00:58:03,276 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 00:58:03,276 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 16, 17] total 47 [2025-01-24 00:58:03,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124258336] [2025-01-24 00:58:03,276 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 00:58:03,276 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2025-01-24 00:58:03,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 00:58:03,277 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2025-01-24 00:58:03,278 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=174, Invalid=1880, Unknown=24, NotChecked=178, Total=2256 [2025-01-24 00:58:03,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 00:58:03,278 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 00:58:03,278 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 5.9375) internal successors, (285), 47 states have internal predecessors, (285), 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) [2025-01-24 00:58:03,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 00:58:03,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-24 00:58:03,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-24 00:58:03,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-24 00:58:03,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-24 00:58:03,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-24 00:58:03,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-01-24 00:58:03,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 00:58:04,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 00:58:04,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-24 00:58:04,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-24 00:58:04,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-24 00:58:04,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-24 00:58:04,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-24 00:58:04,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-24 00:58:04,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-24 00:58:04,202 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-01-24 00:58:04,396 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 [2025-01-24 00:58:04,396 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-24 00:58:04,396 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 00:58:04,396 INFO L139 ounterexampleChecker]: Examining path program with hash 1607340975, occurence #6 [2025-01-24 00:58:04,396 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 00:58:04,396 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2025-01-24 00:58:04,396 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:04,396 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-01-24 00:58:04,396 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 00:58:04,396 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2025-01-24 00:58:04,396 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:04,396 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-01-24 00:58:04,396 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:04,396 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2025-01-24 00:58:04,396 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:04,396 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2025-01-24 00:58:04,397 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:04,397 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2025-01-24 00:58:04,397 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:04,398 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2025-01-24 00:58:04,398 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:04,398 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2025-01-24 00:58:04,398 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:04,398 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2025-01-24 00:58:04,398 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:04,398 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2025-01-24 00:58:04,398 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:04,398 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2025-01-24 00:58:04,398 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:04,398 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2025-01-24 00:58:04,398 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:04,398 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2025-01-24 00:58:04,398 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:04,398 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2025-01-24 00:58:04,398 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:04,398 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2025-01-24 00:58:04,399 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:04,399 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2025-01-24 00:58:04,399 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:04,399 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2025-01-24 00:58:04,399 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:04,399 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2025-01-24 00:58:04,399 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:04,399 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 94 [2025-01-24 00:58:04,399 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:04,399 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 95 [2025-01-24 00:58:04,399 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:04,399 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 97 [2025-01-24 00:58:04,399 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:04,399 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 108 [2025-01-24 00:58:04,399 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:04,399 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 113 [2025-01-24 00:58:04,399 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:04,399 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 114 [2025-01-24 00:58:04,399 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:04,399 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 115 [2025-01-24 00:58:04,399 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:04,399 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 117 [2025-01-24 00:58:04,399 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:04,399 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 00:58:04,399 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 00:58:04,399 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 00:58:04,400 INFO L85 PathProgramCache]: Analyzing trace with hash -1162840084, now seen corresponding path program 6 times [2025-01-24 00:58:04,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 00:58:04,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20461786] [2025-01-24 00:58:04,400 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-24 00:58:04,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 00:58:04,419 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 127 statements into 6 equivalence classes. [2025-01-24 00:58:04,464 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) and asserted 127 of 127 statements. [2025-01-24 00:58:04,465 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2025-01-24 00:58:04,465 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 00:58:06,250 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-01-24 00:58:06,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 00:58:06,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20461786] [2025-01-24 00:58:06,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [20461786] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 00:58:06,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1695053723] [2025-01-24 00:58:06,252 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-24 00:58:06,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 00:58:06,252 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 00:58:06,254 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) [2025-01-24 00:58:06,255 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 [2025-01-24 00:58:06,350 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 127 statements into 6 equivalence classes. [2025-01-24 00:58:08,349 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) and asserted 127 of 127 statements. [2025-01-24 00:58:08,350 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2025-01-24 00:58:08,350 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 00:58:08,356 INFO L256 TraceCheckSpWp]: Trace formula consists of 682 conjuncts, 90 conjuncts are in the unsatisfiable core [2025-01-24 00:58:08,362 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 00:58:08,449 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2025-01-24 00:58:08,450 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 [2025-01-24 00:58:08,480 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 [2025-01-24 00:58:08,602 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 [2025-01-24 00:58:08,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-24 00:58:08,676 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 [2025-01-24 00:58:08,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-24 00:58:08,721 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 [2025-01-24 00:58:08,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-24 00:58:08,914 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 [2025-01-24 00:58:08,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-24 00:58:08,975 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 [2025-01-24 00:58:09,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-24 00:58:09,107 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 [2025-01-24 00:58:09,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-24 00:58:09,138 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 [2025-01-24 00:58:09,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-24 00:58:09,292 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 [2025-01-24 00:58:09,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-24 00:58:09,328 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 [2025-01-24 00:58:09,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-24 00:58:09,482 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 [2025-01-24 00:58:09,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-24 00:58:09,523 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 [2025-01-24 00:58:09,658 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-01-24 00:58:09,658 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 00:58:10,901 WARN L851 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_61| Int) (v_ArrVal_950 (Array Int 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_61|) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_950) |c_~#cache~0.base|) (+ 140 .cse0 |c_~#cache~0.offset|)) 0)))) is different from false [2025-01-24 00:58:10,962 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_950 (Array Int Int))) (= 0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_950) |c_~#cache~0.base|) (+ 140 |c_~#cache~0.offset|)))) is different from false [2025-01-24 00:58:11,041 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-01-24 00:58:11,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1695053723] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 00:58:11,041 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 00:58:11,041 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 18, 19] total 55 [2025-01-24 00:58:11,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223539329] [2025-01-24 00:58:11,041 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 00:58:11,041 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 56 states [2025-01-24 00:58:11,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 00:58:11,042 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2025-01-24 00:58:11,043 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=221, Invalid=2615, Unknown=34, NotChecked=210, Total=3080 [2025-01-24 00:58:11,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 00:58:11,043 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 00:58:11,043 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) [2025-01-24 00:58:11,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 00:58:11,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-24 00:58:11,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-24 00:58:11,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-24 00:58:11,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-24 00:58:11,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-24 00:58:11,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-01-24 00:58:11,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-01-24 00:58:11,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 00:58:12,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 00:58:12,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-24 00:58:12,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-24 00:58:12,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-24 00:58:12,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-24 00:58:12,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-24 00:58:12,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-24 00:58:12,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-24 00:58:12,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-01-24 00:58:12,365 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2025-01-24 00:58:12,545 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 [2025-01-24 00:58:12,546 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-24 00:58:12,546 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 00:58:12,546 INFO L139 ounterexampleChecker]: Examining path program with hash 1607340975, occurence #7 [2025-01-24 00:58:12,546 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 00:58:12,546 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2025-01-24 00:58:12,546 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:12,546 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-01-24 00:58:12,546 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 00:58:12,546 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2025-01-24 00:58:12,546 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:12,546 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-01-24 00:58:12,546 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:12,546 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2025-01-24 00:58:12,547 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:12,547 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2025-01-24 00:58:12,547 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:12,547 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2025-01-24 00:58:12,547 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:12,547 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2025-01-24 00:58:12,547 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:12,547 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2025-01-24 00:58:12,547 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:12,547 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2025-01-24 00:58:12,547 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:12,547 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2025-01-24 00:58:12,547 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:12,547 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2025-01-24 00:58:12,547 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:12,547 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2025-01-24 00:58:12,547 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:12,547 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2025-01-24 00:58:12,547 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:12,547 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2025-01-24 00:58:12,547 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:12,547 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2025-01-24 00:58:12,547 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:12,547 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2025-01-24 00:58:12,547 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:12,547 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2025-01-24 00:58:12,547 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:12,547 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2025-01-24 00:58:12,547 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:12,547 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 94 [2025-01-24 00:58:12,547 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:12,547 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 95 [2025-01-24 00:58:12,547 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:12,547 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 97 [2025-01-24 00:58:12,547 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:12,547 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 108 [2025-01-24 00:58:12,547 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:12,547 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 113 [2025-01-24 00:58:12,548 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:12,548 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 114 [2025-01-24 00:58:12,548 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:12,548 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 115 [2025-01-24 00:58:12,548 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:12,548 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 117 [2025-01-24 00:58:12,548 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:12,548 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 128 [2025-01-24 00:58:12,548 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:12,548 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 133 [2025-01-24 00:58:12,548 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:12,548 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 134 [2025-01-24 00:58:12,548 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:12,548 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 135 [2025-01-24 00:58:12,548 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:12,548 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 137 [2025-01-24 00:58:12,548 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:12,548 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 00:58:12,548 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 00:58:12,548 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 00:58:12,548 INFO L85 PathProgramCache]: Analyzing trace with hash -2050745399, now seen corresponding path program 7 times [2025-01-24 00:58:12,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 00:58:12,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768243973] [2025-01-24 00:58:12,548 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-24 00:58:12,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 00:58:12,565 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 147 statements into 1 equivalence classes. [2025-01-24 00:58:12,589 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 147 of 147 statements. [2025-01-24 00:58:12,591 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 00:58:12,591 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 00:58:14,165 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 0 proven. 312 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-01-24 00:58:14,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 00:58:14,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1768243973] [2025-01-24 00:58:14,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1768243973] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 00:58:14,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1254008019] [2025-01-24 00:58:14,166 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-24 00:58:14,166 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 00:58:14,166 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 00:58:14,168 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) [2025-01-24 00:58:14,173 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 [2025-01-24 00:58:14,275 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 147 statements into 1 equivalence classes. [2025-01-24 00:58:14,343 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 147 of 147 statements. [2025-01-24 00:58:14,343 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 00:58:14,343 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 00:58:14,348 INFO L256 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 102 conjuncts are in the unsatisfiable core [2025-01-24 00:58:14,353 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 00:58:14,413 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2025-01-24 00:58:14,414 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 [2025-01-24 00:58:14,441 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 [2025-01-24 00:58:14,548 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 [2025-01-24 00:58:14,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-24 00:58:14,639 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 [2025-01-24 00:58:14,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-24 00:58:14,679 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 [2025-01-24 00:58:14,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-24 00:58:14,836 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 [2025-01-24 00:58:14,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-24 00:58:14,875 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 [2025-01-24 00:58:15,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-24 00:58:15,013 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 [2025-01-24 00:58:15,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-24 00:58:15,053 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 [2025-01-24 00:58:15,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-24 00:58:15,212 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 [2025-01-24 00:58:15,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-24 00:58:15,249 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 [2025-01-24 00:58:15,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-24 00:58:15,394 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 [2025-01-24 00:58:15,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-24 00:58:15,434 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 [2025-01-24 00:58:15,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-24 00:58:15,578 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 [2025-01-24 00:58:15,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-24 00:58:15,616 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 [2025-01-24 00:58:15,739 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 0 proven. 312 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-01-24 00:58:15,740 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 00:58:17,254 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1224 (Array Int Int)) (v_ArrVal_1227 Int)) (= (select (select (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1224))) (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_1227))) |c_~#cache~0.base|) (+ (* |c_t_funThread1of1ForFork0_~i~0#1| 28) 168 |c_~#cache~0.offset|)) 0)) is different from false [2025-01-24 00:58:17,520 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 0 proven. 312 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-01-24 00:58:17,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1254008019] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 00:58:17,521 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 00:58:17,521 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20, 20] total 55 [2025-01-24 00:58:17,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376006065] [2025-01-24 00:58:17,521 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 00:58:17,521 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 56 states [2025-01-24 00:58:17,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 00:58:17,522 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2025-01-24 00:58:17,523 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=221, Invalid=2731, Unknown=22, NotChecked=106, Total=3080 [2025-01-24 00:58:17,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 00:58:17,523 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 00:58:17,523 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 56 states, 56 states have (on average 7.196428571428571) internal successors, (403), 55 states have internal predecessors, (403), 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) [2025-01-24 00:58:17,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 00:58:17,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-24 00:58:17,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-24 00:58:17,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-24 00:58:17,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-24 00:58:17,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-24 00:58:17,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-01-24 00:58:17,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-01-24 00:58:17,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-01-24 00:58:17,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 00:58:18,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 00:58:18,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-24 00:58:18,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-24 00:58:18,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-24 00:58:18,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-24 00:58:18,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-24 00:58:18,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-24 00:58:18,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-24 00:58:18,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-01-24 00:58:18,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-24 00:58:18,780 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2025-01-24 00:58:18,978 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 [2025-01-24 00:58:18,978 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-24 00:58:18,978 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 00:58:18,978 INFO L139 ounterexampleChecker]: Examining path program with hash 1607340975, occurence #8 [2025-01-24 00:58:18,978 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 00:58:18,978 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2025-01-24 00:58:18,978 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:18,978 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-01-24 00:58:18,978 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 00:58:18,978 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2025-01-24 00:58:18,978 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:18,978 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-01-24 00:58:18,978 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:18,978 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2025-01-24 00:58:18,978 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:18,978 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2025-01-24 00:58:18,978 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:18,978 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2025-01-24 00:58:18,978 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:18,978 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2025-01-24 00:58:18,979 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:18,979 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2025-01-24 00:58:18,979 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:18,979 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2025-01-24 00:58:18,979 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:18,979 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2025-01-24 00:58:18,979 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:18,979 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2025-01-24 00:58:18,979 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:18,979 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2025-01-24 00:58:18,979 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:18,979 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2025-01-24 00:58:18,979 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:18,979 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2025-01-24 00:58:18,979 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:18,979 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2025-01-24 00:58:18,979 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:18,979 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2025-01-24 00:58:18,979 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:18,979 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2025-01-24 00:58:18,979 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:18,979 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2025-01-24 00:58:18,979 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:18,979 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 94 [2025-01-24 00:58:18,979 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:18,979 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 95 [2025-01-24 00:58:18,979 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:18,979 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 97 [2025-01-24 00:58:18,979 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:18,979 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 108 [2025-01-24 00:58:18,979 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:18,979 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 113 [2025-01-24 00:58:18,979 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:18,979 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 114 [2025-01-24 00:58:18,979 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:18,979 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 115 [2025-01-24 00:58:18,979 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:18,979 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 117 [2025-01-24 00:58:18,979 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:18,979 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 128 [2025-01-24 00:58:18,979 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:18,979 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 133 [2025-01-24 00:58:18,979 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:18,979 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 134 [2025-01-24 00:58:18,979 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:18,979 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 135 [2025-01-24 00:58:18,979 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:18,979 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 137 [2025-01-24 00:58:18,979 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:18,979 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 148 [2025-01-24 00:58:18,979 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:18,980 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 153 [2025-01-24 00:58:18,981 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:18,981 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 154 [2025-01-24 00:58:18,981 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:18,981 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 155 [2025-01-24 00:58:18,981 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:18,981 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 157 [2025-01-24 00:58:18,981 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:18,981 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 00:58:18,981 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 00:58:18,981 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 00:58:18,981 INFO L85 PathProgramCache]: Analyzing trace with hash 1303654182, now seen corresponding path program 8 times [2025-01-24 00:58:18,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 00:58:18,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305665574] [2025-01-24 00:58:18,982 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-24 00:58:18,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 00:58:18,999 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 167 statements into 2 equivalence classes. [2025-01-24 00:58:19,019 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 167 of 167 statements. [2025-01-24 00:58:19,019 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-24 00:58:19,019 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 00:58:20,788 INFO L134 CoverageAnalysis]: Checked inductivity of 489 backedges. 0 proven. 434 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-01-24 00:58:20,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 00:58:20,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305665574] [2025-01-24 00:58:20,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1305665574] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 00:58:20,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [443502212] [2025-01-24 00:58:20,789 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-24 00:58:20,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 00:58:20,789 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 00:58:20,806 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) [2025-01-24 00:58:20,807 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 [2025-01-24 00:58:20,916 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 167 statements into 2 equivalence classes. [2025-01-24 00:58:20,982 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 167 of 167 statements. [2025-01-24 00:58:20,982 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-24 00:58:20,982 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 00:58:20,985 INFO L256 TraceCheckSpWp]: Trace formula consists of 826 conjuncts, 114 conjuncts are in the unsatisfiable core [2025-01-24 00:58:20,989 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 00:58:21,047 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2025-01-24 00:58:21,047 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 [2025-01-24 00:58:21,075 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 [2025-01-24 00:58:21,209 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 [2025-01-24 00:58:21,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-24 00:58:21,285 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 [2025-01-24 00:58:21,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-24 00:58:21,323 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 [2025-01-24 00:58:21,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-24 00:58:21,507 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 [2025-01-24 00:58:21,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-24 00:58:21,550 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 [2025-01-24 00:58:21,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-24 00:58:21,692 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 [2025-01-24 00:58:21,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-24 00:58:21,732 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 [2025-01-24 00:58:21,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-24 00:58:21,960 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 [2025-01-24 00:58:22,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-24 00:58:22,003 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 [2025-01-24 00:58:22,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-24 00:58:22,222 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 [2025-01-24 00:58:22,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-24 00:58:22,269 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 [2025-01-24 00:58:22,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-24 00:58:22,435 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 [2025-01-24 00:58:22,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-24 00:58:22,473 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 [2025-01-24 00:58:22,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-24 00:58:22,653 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 [2025-01-24 00:58:22,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-24 00:58:22,697 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 [2025-01-24 00:58:22,822 INFO L134 CoverageAnalysis]: Checked inductivity of 489 backedges. 0 proven. 434 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-01-24 00:58:22,822 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 00:58:23,830 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1534 (Array Int Int)) (v_ArrVal_1538 Int)) (= (select (select (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1534))) (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_1538))) |c_~#cache~0.base|) (+ 196 (* |c_t_funThread1of1ForFork0_~i~0#1| 28) |c_~#cache~0.offset|)) 0)) is different from false [2025-01-24 00:58:24,126 INFO L134 CoverageAnalysis]: Checked inductivity of 489 backedges. 0 proven. 434 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-01-24 00:58:24,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [443502212] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 00:58:24,126 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 00:58:24,126 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22, 23] total 62 [2025-01-24 00:58:24,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106642829] [2025-01-24 00:58:24,127 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 00:58:24,128 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2025-01-24 00:58:24,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 00:58:24,129 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2025-01-24 00:58:24,130 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=253, Invalid=3485, Unknown=48, NotChecked=120, Total=3906 [2025-01-24 00:58:24,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 00:58:24,130 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 00:58:24,130 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 7.349206349206349) internal successors, (463), 62 states have internal predecessors, (463), 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) [2025-01-24 00:58:24,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 00:58:24,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-24 00:58:24,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-24 00:58:24,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-24 00:58:24,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-24 00:58:24,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-24 00:58:24,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-01-24 00:58:24,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-01-24 00:58:24,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-01-24 00:58:24,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-01-24 00:58:24,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 00:58:25,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 00:58:25,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-24 00:58:25,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-24 00:58:25,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-24 00:58:25,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-24 00:58:25,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-24 00:58:25,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-24 00:58:25,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-24 00:58:25,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-01-24 00:58:25,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-24 00:58:25,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-01-24 00:58:25,317 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2025-01-24 00:58:25,510 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 [2025-01-24 00:58:25,511 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-24 00:58:25,511 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 00:58:25,511 INFO L139 ounterexampleChecker]: Examining path program with hash 1607340975, occurence #9 [2025-01-24 00:58:25,511 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 00:58:25,511 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2025-01-24 00:58:25,511 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:25,511 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-01-24 00:58:25,511 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 00:58:25,512 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2025-01-24 00:58:25,512 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:25,512 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-01-24 00:58:25,512 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:25,512 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2025-01-24 00:58:25,512 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:25,512 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2025-01-24 00:58:25,512 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:25,512 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2025-01-24 00:58:25,512 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:25,512 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2025-01-24 00:58:25,512 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:25,512 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2025-01-24 00:58:25,512 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:25,512 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2025-01-24 00:58:25,512 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:25,512 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2025-01-24 00:58:25,512 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:25,512 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2025-01-24 00:58:25,513 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:25,513 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2025-01-24 00:58:25,513 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:25,513 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2025-01-24 00:58:25,513 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:25,513 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2025-01-24 00:58:25,513 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:25,513 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2025-01-24 00:58:25,513 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:25,513 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2025-01-24 00:58:25,513 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:25,513 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2025-01-24 00:58:25,513 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:25,514 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2025-01-24 00:58:25,514 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:25,514 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 94 [2025-01-24 00:58:25,514 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:25,514 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 95 [2025-01-24 00:58:25,514 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:25,514 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 97 [2025-01-24 00:58:25,514 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:25,514 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 108 [2025-01-24 00:58:25,514 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:25,515 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 113 [2025-01-24 00:58:25,515 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:25,515 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 114 [2025-01-24 00:58:25,515 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:25,515 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 115 [2025-01-24 00:58:25,515 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:25,515 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 117 [2025-01-24 00:58:25,515 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:25,515 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 128 [2025-01-24 00:58:25,515 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:25,515 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 133 [2025-01-24 00:58:25,515 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:25,515 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 134 [2025-01-24 00:58:25,515 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:25,515 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 135 [2025-01-24 00:58:25,519 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:25,519 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 137 [2025-01-24 00:58:25,519 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:25,520 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 148 [2025-01-24 00:58:25,520 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:25,520 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 153 [2025-01-24 00:58:25,520 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:25,520 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 154 [2025-01-24 00:58:25,520 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:25,520 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 155 [2025-01-24 00:58:25,520 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:25,520 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 157 [2025-01-24 00:58:25,520 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:25,520 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 168 [2025-01-24 00:58:25,520 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:25,520 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 173 [2025-01-24 00:58:25,520 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:25,520 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 174 [2025-01-24 00:58:25,520 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:25,520 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 175 [2025-01-24 00:58:25,520 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:25,520 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 177 [2025-01-24 00:58:25,520 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:58:25,520 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 00:58:25,520 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 00:58:25,520 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 00:58:25,520 INFO L85 PathProgramCache]: Analyzing trace with hash -1418857981, now seen corresponding path program 9 times [2025-01-24 00:58:25,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 00:58:25,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607538207] [2025-01-24 00:58:25,520 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-24 00:58:25,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 00:58:25,544 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 187 statements into 9 equivalence classes. [2025-01-24 00:58:25,602 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) and asserted 187 of 187 statements. [2025-01-24 00:58:25,602 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2025-01-24 00:58:25,602 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 00:58:28,203 INFO L134 CoverageAnalysis]: Checked inductivity of 631 backedges. 0 proven. 576 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-01-24 00:58:28,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 00:58:28,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607538207] [2025-01-24 00:58:28,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [607538207] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 00:58:28,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1818084430] [2025-01-24 00:58:28,204 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-24 00:58:28,204 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 00:58:28,204 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 00:58:28,206 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) [2025-01-24 00:58:28,207 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 [2025-01-24 00:58:28,375 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 187 statements into 9 equivalence classes. [2025-01-24 00:58:56,563 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) and asserted 187 of 187 statements. [2025-01-24 00:58:56,563 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2025-01-24 00:58:56,563 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 00:58:56,586 INFO L256 TraceCheckSpWp]: Trace formula consists of 898 conjuncts, 132 conjuncts are in the unsatisfiable core [2025-01-24 00:58:56,592 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 00:58:56,721 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2025-01-24 00:58:56,722 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 [2025-01-24 00:58:56,758 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 [2025-01-24 00:58:56,896 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 [2025-01-24 00:58:57,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-24 00:58:57,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-24 00:58:57,020 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 [2025-01-24 00:58:57,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-24 00:58:57,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-24 00:58:57,083 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 [2025-01-24 00:58:57,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-24 00:58:57,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-24 00:58:57,288 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 [2025-01-24 00:58:57,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-24 00:58:57,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-24 00:58:57,337 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 [2025-01-24 00:58:57,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-24 00:58:57,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-24 00:58:57,503 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 [2025-01-24 00:58:57,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-24 00:58:57,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-24 00:58:57,547 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 [2025-01-24 00:58:57,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-24 00:58:57,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-24 00:58:57,758 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 [2025-01-24 00:58:57,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-24 00:58:57,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-24 00:58:57,810 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 [2025-01-24 00:58:58,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-24 00:58:58,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-24 00:58:58,008 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 [2025-01-24 00:58:58,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-24 00:58:58,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-24 00:58:58,060 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 [2025-01-24 00:58:58,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-24 00:58:58,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-24 00:58:58,261 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 [2025-01-24 00:58:58,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-24 00:58:58,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-24 00:58:58,316 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 [2025-01-24 00:58:58,510 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 [2025-01-24 00:58:58,598 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 [2025-01-24 00:58:58,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-24 00:58:58,785 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 [2025-01-24 00:58:58,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-24 00:58:58,826 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 [2025-01-24 00:58:58,974 INFO L134 CoverageAnalysis]: Checked inductivity of 631 backedges. 0 proven. 576 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-01-24 00:58:58,974 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 00:59:00,776 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1880 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1880) |c_~#cache~0.base|) (+ 224 (* |c_t_funThread1of1ForFork0_~i~0#1| 28) |c_~#cache~0.offset|)) 0)) is different from false [2025-01-24 00:59:00,942 INFO L134 CoverageAnalysis]: Checked inductivity of 631 backedges. 0 proven. 576 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-01-24 00:59:00,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1818084430] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 00:59:00,943 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 00:59:00,943 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 26, 25] total 74 [2025-01-24 00:59:00,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884330919] [2025-01-24 00:59:00,943 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 00:59:00,943 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 75 states [2025-01-24 00:59:00,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 00:59:00,944 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 75 interpolants. [2025-01-24 00:59:00,945 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=312, Invalid=5025, Unknown=69, NotChecked=144, Total=5550 [2025-01-24 00:59:00,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 00:59:00,945 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 00:59:00,945 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 75 states, 75 states have (on average 7.0) internal successors, (525), 74 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) [2025-01-24 00:59:00,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 00:59:00,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-24 00:59:00,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-24 00:59:00,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-24 00:59:00,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-24 00:59:00,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-24 00:59:00,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-01-24 00:59:00,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-01-24 00:59:00,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-01-24 00:59:00,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-01-24 00:59:00,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-01-24 00:59:00,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 00:59:03,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 00:59:03,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-24 00:59:03,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-24 00:59:03,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-24 00:59:03,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-24 00:59:03,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-24 00:59:03,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-24 00:59:03,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-24 00:59:03,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-01-24 00:59:03,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-24 00:59:03,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-01-24 00:59:03,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-01-24 00:59:03,172 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 [2025-01-24 00:59:03,359 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 [2025-01-24 00:59:03,359 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-24 00:59:03,359 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 00:59:03,359 INFO L139 ounterexampleChecker]: Examining path program with hash 1607340975, occurence #10 [2025-01-24 00:59:03,359 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 00:59:03,359 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2025-01-24 00:59:03,359 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:59:03,359 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-01-24 00:59:03,359 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 00:59:03,359 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2025-01-24 00:59:03,359 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:59:03,359 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-01-24 00:59:03,359 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:59:03,359 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2025-01-24 00:59:03,359 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:59:03,359 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2025-01-24 00:59:03,359 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:59:03,359 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2025-01-24 00:59:03,359 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:59:03,359 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2025-01-24 00:59:03,359 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:59:03,359 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2025-01-24 00:59:03,359 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:59:03,359 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2025-01-24 00:59:03,359 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:59:03,360 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2025-01-24 00:59:03,360 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:59:03,360 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2025-01-24 00:59:03,360 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:59:03,360 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2025-01-24 00:59:03,360 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:59:03,360 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2025-01-24 00:59:03,360 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:59:03,360 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2025-01-24 00:59:03,360 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:59:03,360 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2025-01-24 00:59:03,360 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:59:03,360 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2025-01-24 00:59:03,360 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:59:03,360 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2025-01-24 00:59:03,360 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:59:03,360 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2025-01-24 00:59:03,360 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:59:03,360 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 94 [2025-01-24 00:59:03,360 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:59:03,360 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 95 [2025-01-24 00:59:03,360 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:59:03,360 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 97 [2025-01-24 00:59:03,360 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:59:03,361 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 108 [2025-01-24 00:59:03,361 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:59:03,361 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 113 [2025-01-24 00:59:03,361 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:59:03,361 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 114 [2025-01-24 00:59:03,361 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:59:03,361 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 115 [2025-01-24 00:59:03,361 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:59:03,361 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 117 [2025-01-24 00:59:03,361 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:59:03,361 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 128 [2025-01-24 00:59:03,361 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:59:03,361 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 133 [2025-01-24 00:59:03,361 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:59:03,361 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 134 [2025-01-24 00:59:03,361 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:59:03,361 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 135 [2025-01-24 00:59:03,361 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:59:03,361 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 137 [2025-01-24 00:59:03,361 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:59:03,361 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 148 [2025-01-24 00:59:03,361 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:59:03,361 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 153 [2025-01-24 00:59:03,361 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:59:03,361 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 154 [2025-01-24 00:59:03,361 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:59:03,361 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 155 [2025-01-24 00:59:03,362 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:59:03,362 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 157 [2025-01-24 00:59:03,362 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:59:03,362 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 168 [2025-01-24 00:59:03,362 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:59:03,362 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 173 [2025-01-24 00:59:03,362 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:59:03,362 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 174 [2025-01-24 00:59:03,362 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:59:03,362 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 175 [2025-01-24 00:59:03,362 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:59:03,362 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 177 [2025-01-24 00:59:03,362 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:59:03,362 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 188 [2025-01-24 00:59:03,362 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:59:03,362 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 193 [2025-01-24 00:59:03,362 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:59:03,362 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 194 [2025-01-24 00:59:03,362 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:59:03,362 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 195 [2025-01-24 00:59:03,362 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:59:03,362 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 197 [2025-01-24 00:59:03,362 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 00:59:03,362 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 00:59:03,362 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 00:59:03,362 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 00:59:03,362 INFO L85 PathProgramCache]: Analyzing trace with hash -1128356768, now seen corresponding path program 10 times [2025-01-24 00:59:03,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 00:59:03,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987243550] [2025-01-24 00:59:03,362 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-24 00:59:03,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 00:59:03,384 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 207 statements into 2 equivalence classes. [2025-01-24 00:59:03,479 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 207 of 207 statements. [2025-01-24 00:59:03,480 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-01-24 00:59:03,480 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 00:59:06,058 INFO L134 CoverageAnalysis]: Checked inductivity of 793 backedges. 0 proven. 738 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-01-24 00:59:06,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 00:59:06,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1987243550] [2025-01-24 00:59:06,058 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1987243550] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 00:59:06,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [387873786] [2025-01-24 00:59:06,059 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-24 00:59:06,059 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 00:59:06,059 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 00:59:06,060 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) [2025-01-24 00:59:06,062 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 [2025-01-24 00:59:06,208 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 207 statements into 2 equivalence classes. Killed by 15