./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/goblint-regression/28-race_reach_72-funloop_hard_racing.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1f73d82f 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 ../sv-benchmarks/c/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 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-1f73d82-m [2024-11-21 11:31:41,659 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-21 11:31:41,731 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-11-21 11:31:41,738 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-21 11:31:41,738 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-21 11:31:41,774 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-21 11:31:41,778 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-21 11:31:41,779 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-21 11:31:41,779 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-21 11:31:41,779 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-21 11:31:41,780 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-21 11:31:41,780 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-21 11:31:41,780 INFO L153 SettingsManager]: * Use SBE=true [2024-11-21 11:31:41,780 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-21 11:31:41,781 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-21 11:31:41,781 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-21 11:31:41,781 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-21 11:31:41,781 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-21 11:31:41,781 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-21 11:31:41,781 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-21 11:31:41,781 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-21 11:31:41,781 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-21 11:31:41,781 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-21 11:31:41,781 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-21 11:31:41,782 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-21 11:31:41,782 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-21 11:31:41,782 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-21 11:31:41,782 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-21 11:31:41,782 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-21 11:31:41,782 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-21 11:31:41,782 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-21 11:31:41,782 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-21 11:31:41,783 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-21 11:31:41,783 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-21 11:31:41,783 INFO L153 SettingsManager]: * Commutativity condition synthesis=SUFFICIENT [2024-11-21 11:31:41,783 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-21 11:31:41,783 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-21 11:31:41,783 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-11-21 11:31:41,783 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-21 11:31:41,783 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-21 11:31:41,783 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-21 11:31:41,784 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-21 11:31:41,784 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-21 11:31:41,784 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 [2024-11-21 11:31:42,017 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-21 11:31:42,022 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-21 11:31:42,023 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-21 11:31:42,025 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-21 11:31:42,025 INFO L274 PluginConnector]: CDTParser initialized [2024-11-21 11:31:42,026 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../sv-benchmarks/c/goblint-regression/28-race_reach_72-funloop_hard_racing.i [2024-11-21 11:31:43,174 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/fa1a728aa/f7c159b1989a4edab4522cdf9aae9695/FLAG3dd09c9db [2024-11-21 11:31:43,435 INFO L384 CDTParser]: Found 1 translation units. [2024-11-21 11:31:43,436 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/goblint-regression/28-race_reach_72-funloop_hard_racing.i [2024-11-21 11:31:43,444 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/fa1a728aa/f7c159b1989a4edab4522cdf9aae9695/FLAG3dd09c9db [2024-11-21 11:31:43,755 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/fa1a728aa/f7c159b1989a4edab4522cdf9aae9695 [2024-11-21 11:31:43,756 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-21 11:31:43,758 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-21 11:31:43,759 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-21 11:31:43,760 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-21 11:31:43,763 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-21 11:31:43,763 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:31:43" (1/1) ... [2024-11-21 11:31:43,764 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@529ee070 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:31:43, skipping insertion in model container [2024-11-21 11:31:43,765 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:31:43" (1/1) ... [2024-11-21 11:31:43,794 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-21 11:31:44,086 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/goblint-regression/28-race_reach_72-funloop_hard_racing.i[41323,41336] [2024-11-21 11:31:44,105 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-21 11:31:44,126 INFO L200 MainTranslator]: Completed pre-run [2024-11-21 11:31:44,165 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/goblint-regression/28-race_reach_72-funloop_hard_racing.i[41323,41336] [2024-11-21 11:31:44,179 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-21 11:31:44,228 INFO L204 MainTranslator]: Completed translation [2024-11-21 11:31:44,228 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:31:44 WrapperNode [2024-11-21 11:31:44,229 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-21 11:31:44,229 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-21 11:31:44,229 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-21 11:31:44,229 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-21 11:31:44,234 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:31:44" (1/1) ... [2024-11-21 11:31:44,253 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:31:44" (1/1) ... [2024-11-21 11:31:44,279 INFO L138 Inliner]: procedures = 272, calls = 109, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 324 [2024-11-21 11:31:44,282 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-21 11:31:44,283 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-21 11:31:44,283 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-21 11:31:44,283 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-21 11:31:44,287 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:31:44" (1/1) ... [2024-11-21 11:31:44,288 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:31:44" (1/1) ... [2024-11-21 11:31:44,291 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:31:44" (1/1) ... [2024-11-21 11:31:44,292 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:31:44" (1/1) ... [2024-11-21 11:31:44,302 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:31:44" (1/1) ... [2024-11-21 11:31:44,310 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:31:44" (1/1) ... [2024-11-21 11:31:44,313 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:31:44" (1/1) ... [2024-11-21 11:31:44,314 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:31:44" (1/1) ... [2024-11-21 11:31:44,318 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:31:44" (1/1) ... [2024-11-21 11:31:44,319 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-21 11:31:44,320 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-21 11:31:44,320 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-21 11:31:44,321 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-21 11:31:44,325 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:31:44" (1/1) ... [2024-11-21 11:31:44,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-21 11:31:44,339 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 11:31:44,351 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-21 11:31:44,356 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-21 11:31:44,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-21 11:31:44,371 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-21 11:31:44,371 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-21 11:31:44,371 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-21 11:31:44,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-21 11:31:44,371 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-21 11:31:44,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-21 11:31:44,371 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-21 11:31:44,371 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-21 11:31:44,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-21 11:31:44,371 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-21 11:31:44,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-21 11:31:44,372 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-21 11:31:44,465 INFO L234 CfgBuilder]: Building ICFG [2024-11-21 11:31:44,467 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-21 11:31:44,793 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-21 11:31:44,794 INFO L283 CfgBuilder]: Performing block encoding [2024-11-21 11:31:45,101 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-21 11:31:45,102 INFO L312 CfgBuilder]: Removed 20 assume(true) statements. [2024-11-21 11:31:45,102 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:31:45 BoogieIcfgContainer [2024-11-21 11:31:45,102 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-21 11:31:45,104 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-21 11:31:45,105 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-21 11:31:45,109 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-21 11:31:45,109 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 11:31:43" (1/3) ... [2024-11-21 11:31:45,110 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@693d5746 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 11:31:45, skipping insertion in model container [2024-11-21 11:31:45,110 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:31:44" (2/3) ... [2024-11-21 11:31:45,110 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@693d5746 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 11:31:45, skipping insertion in model container [2024-11-21 11:31:45,110 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:31:45" (3/3) ... [2024-11-21 11:31:45,111 INFO L128 eAbstractionObserver]: Analyzing ICFG 28-race_reach_72-funloop_hard_racing.i [2024-11-21 11:31:45,122 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-21 11:31:45,123 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. [2024-11-21 11:31:45,123 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-21 11:31:45,164 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-21 11:31:45,201 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-21 11:31:45,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-21 11:31:45,201 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 11:31:45,204 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-11-21 11:31:45,209 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-11-21 11:31:45,279 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-21 11:31:45,291 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t_funThread1of1ForFork0 ======== [2024-11-21 11:31:45,297 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;@3685d603, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-21 11:31:45,297 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-21 11:31:45,515 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 11:31:45,515 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 11:31:45,516 INFO L139 ounterexampleChecker]: Examining path program with hash -1300001530, occurence #1 [2024-11-21 11:31:45,516 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 11:31:45,516 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 11:31:45,519 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 11:31:45,519 INFO L85 PathProgramCache]: Analyzing trace with hash 90116, now seen corresponding path program 1 times [2024-11-21 11:31:45,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 11:31:45,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422628205] [2024-11-21 11:31:45,524 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 11:31:45,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 11:31:45,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 11:31:45,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 11:31:45,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 11:31:45,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422628205] [2024-11-21 11:31:45,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1422628205] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 11:31:45,769 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 11:31:45,769 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-21 11:31:45,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516301640] [2024-11-21 11:31:45,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 11:31:45,776 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-21 11:31:45,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 11:31:45,795 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-21 11:31:45,795 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-21 11:31:45,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:31:45,797 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 11:31:45,798 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) [2024-11-21 11:31:45,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:31:45,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:31:45,852 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-21 11:31:45,852 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 11:31:45,852 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 11:31:45,852 INFO L139 ounterexampleChecker]: Examining path program with hash -1300001530, occurence #2 [2024-11-21 11:31:45,852 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 11:31:45,852 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2024-11-21 11:31:45,853 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:31:45,853 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2024-11-21 11:31:45,853 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 11:31:45,853 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 11:31:45,853 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 11:31:45,854 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 11:31:45,854 INFO L85 PathProgramCache]: Analyzing trace with hash 1661965167, now seen corresponding path program 1 times [2024-11-21 11:31:45,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 11:31:45,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035345573] [2024-11-21 11:31:45,854 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 11:31:45,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 11:31:45,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 11:31:45,978 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 11:31:45,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 11:31:45,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1035345573] [2024-11-21 11:31:45,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1035345573] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 11:31:45,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1385877266] [2024-11-21 11:31:45,979 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 11:31:45,979 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 11:31:45,979 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 11:31:45,981 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 11:31:45,982 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-21 11:31:46,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 11:31:46,094 INFO L256 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-21 11:31:46,102 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 11:31:46,119 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 11:31:46,119 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 11:31:46,133 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 11:31:46,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1385877266] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 11:31:46,133 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 11:31:46,134 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-21 11:31:46,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445691801] [2024-11-21 11:31:46,134 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 11:31:46,135 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-21 11:31:46,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 11:31:46,135 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-21 11:31:46,135 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-21 11:31:46,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:31:46,136 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 11:31:46,136 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) [2024-11-21 11:31:46,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:31:46,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:31:46,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:31:46,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:31:46,233 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 [2024-11-21 11:31:46,419 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 11:31:46,419 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 11:31:46,419 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 11:31:46,419 INFO L139 ounterexampleChecker]: Examining path program with hash -1300001530, occurence #3 [2024-11-21 11:31:46,420 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 11:31:46,420 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2024-11-21 11:31:46,420 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:31:46,420 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2024-11-21 11:31:46,420 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 11:31:46,420 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 11:31:46,420 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 11:31:46,421 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 11:31:46,421 INFO L85 PathProgramCache]: Analyzing trace with hash 1806197444, now seen corresponding path program 2 times [2024-11-21 11:31:46,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 11:31:46,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514882880] [2024-11-21 11:31:46,421 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 11:31:46,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 11:31:46,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 11:31:46,616 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 11:31:46,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 11:31:46,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1514882880] [2024-11-21 11:31:46,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1514882880] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 11:31:46,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1070322945] [2024-11-21 11:31:46,617 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-21 11:31:46,618 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 11:31:46,618 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 11:31:46,624 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 11:31:46,625 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-21 11:31:46,725 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-21 11:31:46,725 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 11:31:46,727 INFO L256 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-21 11:31:46,729 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 11:31:46,828 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-21 11:31:46,829 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 [2024-11-21 11:31:46,858 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 [2024-11-21 11:31:46,992 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 [2024-11-21 11:31:47,055 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-21 11:31:47,055 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-21 11:31:47,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1070322945] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 11:31:47,055 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-21 11:31:47,056 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 12 [2024-11-21 11:31:47,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904750644] [2024-11-21 11:31:47,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 11:31:47,056 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-21 11:31:47,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 11:31:47,056 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-21 11:31:47,057 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2024-11-21 11:31:47,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:31:47,057 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 11:31:47,057 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) [2024-11-21 11:31:47,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:31:47,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:31:47,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:31:47,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:31:47,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:31:47,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:31:47,218 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-21 11:31:47,408 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 11:31:47,409 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 11:31:47,409 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 11:31:47,409 INFO L139 ounterexampleChecker]: Examining path program with hash 1634427547, occurence #1 [2024-11-21 11:31:47,409 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 11:31:47,410 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 11:31:47,410 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 11:31:47,410 INFO L85 PathProgramCache]: Analyzing trace with hash 18886496, now seen corresponding path program 1 times [2024-11-21 11:31:47,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 11:31:47,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090131287] [2024-11-21 11:31:47,410 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 11:31:47,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 11:31:47,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 11:31:47,538 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-21 11:31:47,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 11:31:47,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090131287] [2024-11-21 11:31:47,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2090131287] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 11:31:47,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [341493929] [2024-11-21 11:31:47,539 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 11:31:47,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 11:31:47,539 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 11:31:47,543 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 11:31:47,544 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-21 11:31:47,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 11:31:47,642 INFO L256 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-21 11:31:47,643 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 11:31:47,657 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-21 11:31:47,659 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 11:31:47,723 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-21 11:31:47,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [341493929] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 11:31:47,724 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 11:31:47,724 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2024-11-21 11:31:47,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488415181] [2024-11-21 11:31:47,724 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 11:31:47,724 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-21 11:31:47,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 11:31:47,725 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-21 11:31:47,725 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2024-11-21 11:31:47,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:31:47,725 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 11:31:47,725 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) [2024-11-21 11:31:47,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:31:47,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:31:47,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:31:47,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:31:47,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:31:47,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:31:47,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:31:47,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:31:47,807 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-21 11:31:47,992 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 11:31:47,993 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 11:31:47,993 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 11:31:47,993 INFO L139 ounterexampleChecker]: Examining path program with hash 1634427547, occurence #2 [2024-11-21 11:31:47,993 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 11:31:47,993 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-11-21 11:31:47,993 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:31:47,994 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-21 11:31:47,994 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 11:31:47,994 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-11-21 11:31:47,994 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:31:47,994 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-11-21 11:31:47,994 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:31:47,994 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-11-21 11:31:47,994 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:31:47,994 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-11-21 11:31:47,994 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:31:47,994 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-11-21 11:31:47,994 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:31:47,994 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 11:31:47,994 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 11:31:47,994 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 11:31:47,994 INFO L85 PathProgramCache]: Analyzing trace with hash 1268879232, now seen corresponding path program 2 times [2024-11-21 11:31:47,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 11:31:47,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829853776] [2024-11-21 11:31:47,994 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 11:31:47,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 11:31:48,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 11:31:48,791 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-21 11:31:48,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 11:31:48,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829853776] [2024-11-21 11:31:48,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1829853776] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 11:31:48,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [315465930] [2024-11-21 11:31:48,793 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-21 11:31:48,793 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 11:31:48,793 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 11:31:48,795 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 11:31:48,799 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-21 11:31:48,915 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-21 11:31:48,915 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 11:31:48,917 INFO L256 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-21 11:31:48,920 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 11:31:49,024 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-21 11:31:49,025 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 [2024-11-21 11:31:49,058 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 [2024-11-21 11:31:49,181 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-21 11:31:49,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:31:49,258 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 [2024-11-21 11:31:49,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:31:49,301 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 [2024-11-21 11:31:49,416 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-21 11:31:49,417 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 11:31:49,542 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_234 (Array Int Int)) (v_ArrVal_237 Int)) (= (select (select (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_234))) (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_237))) |c_~#cache~0.base|) (+ (* |c_t_funThread1of1ForFork0_~i~0#1| 28) 28 |c_~#cache~0.offset|)) 0)) is different from false [2024-11-21 11:31:49,561 WARN L851 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_25| Int) (v_ArrVal_234 (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_234) |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 [2024-11-21 11:31:49,565 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_234 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_234) |c_~#cache~0.base|) (+ (* |c_t_funThread1of1ForFork0_~i~0#1| 28) 28 |c_~#cache~0.offset|)) 0)) is different from false [2024-11-21 11:31:49,569 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_234 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_234) |c_~#cache~0.base|) (+ 28 |c_~#cache~0.offset|)) 0)) is different from false [2024-11-21 11:31:49,646 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-21 11:31:49,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [315465930] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 11:31:49,647 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 11:31:49,647 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 11] total 28 [2024-11-21 11:31:49,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352890064] [2024-11-21 11:31:49,647 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 11:31:49,647 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-11-21 11:31:49,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 11:31:49,648 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-11-21 11:31:49,648 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=510, Unknown=4, NotChecked=196, Total=812 [2024-11-21 11:31:49,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:31:49,648 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 11:31:49,648 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 3.6551724137931036) internal successors, (106), 28 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 11:31:49,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:31:49,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:31:49,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:31:49,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:31:49,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:31:49,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:31:49,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:31:49,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:31:49,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:31:49,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 11:31:49,943 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-21 11:31:50,131 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 11:31:50,131 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 11:31:50,131 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 11:31:50,132 INFO L139 ounterexampleChecker]: Examining path program with hash 1634427547, occurence #3 [2024-11-21 11:31:50,132 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 11:31:50,132 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-11-21 11:31:50,132 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:31:50,132 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-21 11:31:50,132 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 11:31:50,132 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-11-21 11:31:50,132 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:31:50,132 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-11-21 11:31:50,132 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:31:50,132 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-11-21 11:31:50,132 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:31:50,132 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-11-21 11:31:50,132 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:31:50,132 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-11-21 11:31:50,132 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:31:50,132 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2024-11-21 11:31:50,132 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:31:50,132 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2024-11-21 11:31:50,132 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:31:50,132 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2024-11-21 11:31:50,132 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:31:50,132 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2024-11-21 11:31:50,132 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:31:50,132 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2024-11-21 11:31:50,132 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:31:50,132 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 11:31:50,132 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 11:31:50,133 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 11:31:50,133 INFO L85 PathProgramCache]: Analyzing trace with hash -1256217060, now seen corresponding path program 3 times [2024-11-21 11:31:50,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 11:31:50,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303345566] [2024-11-21 11:31:50,133 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 11:31:50,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 11:31:50,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 11:31:50,819 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-21 11:31:50,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 11:31:50,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1303345566] [2024-11-21 11:31:50,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1303345566] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 11:31:50,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [656518986] [2024-11-21 11:31:50,819 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-21 11:31:50,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 11:31:50,820 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 11:31:50,822 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 11:31:50,823 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-21 11:31:50,987 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-21 11:31:50,987 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 11:31:50,989 INFO L256 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 54 conjuncts are in the unsatisfiable core [2024-11-21 11:31:50,993 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 11:31:51,128 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-21 11:31:51,128 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 [2024-11-21 11:31:51,150 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 16 treesize of output 11 [2024-11-21 11:31:51,253 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-21 11:31:51,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:31:51,319 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 [2024-11-21 11:31:51,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:31:51,364 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 [2024-11-21 11:31:51,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:31:51,526 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 [2024-11-21 11:31:51,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:31:51,563 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 [2024-11-21 11:31:51,660 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-21 11:31:51,661 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 11:31:51,912 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_368 Int) (v_ArrVal_364 (Array Int Int))) (= (select (select (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_364))) (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_368))) |c_~#cache~0.base|) (+ 56 (* |c_t_funThread1of1ForFork0_~i~0#1| 28) |c_~#cache~0.offset|)) 0)) is different from false [2024-11-21 11:31:51,929 WARN L851 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_31| Int) (v_ArrVal_364 (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_31|) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_364) |c_~#cache~0.base|) (+ 56 .cse0 |c_~#cache~0.offset|)) 0)))) is different from false [2024-11-21 11:31:51,933 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_364 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_364) |c_~#cache~0.base|) (+ 56 (* |c_t_funThread1of1ForFork0_~i~0#1| 28) |c_~#cache~0.offset|)) 0)) is different from false [2024-11-21 11:31:52,034 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-21 11:31:52,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [656518986] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 11:31:52,035 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 11:31:52,035 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 13] total 33 [2024-11-21 11:31:52,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518903506] [2024-11-21 11:31:52,035 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 11:31:52,036 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-11-21 11:31:52,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 11:31:52,036 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-11-21 11:31:52,037 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=130, Invalid=800, Unknown=12, NotChecked=180, Total=1122 [2024-11-21 11:31:52,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:31:52,037 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 11:31:52,037 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 4.852941176470588) internal successors, (165), 33 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 11:31:52,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:31:52,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:31:52,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:31:52,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:31:52,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 11:31:52,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:31:52,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:31:52,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:31:52,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:31:52,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:31:52,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 11:31:52,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 11:31:52,413 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-21 11:31:52,600 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-21 11:31:52,601 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 11:31:52,601 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 11:31:52,601 INFO L139 ounterexampleChecker]: Examining path program with hash 1634427547, occurence #4 [2024-11-21 11:31:52,601 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 11:31:52,601 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-11-21 11:31:52,601 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:31:52,601 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-21 11:31:52,601 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 11:31:52,602 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-11-21 11:31:52,602 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:31:52,602 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-11-21 11:31:52,602 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:31:52,602 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-11-21 11:31:52,602 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:31:52,602 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-11-21 11:31:52,602 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:31:52,602 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-11-21 11:31:52,602 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:31:52,602 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2024-11-21 11:31:52,602 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:31:52,602 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2024-11-21 11:31:52,602 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:31:52,602 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2024-11-21 11:31:52,602 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:31:52,602 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2024-11-21 11:31:52,602 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:31:52,602 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2024-11-21 11:31:52,602 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:31:52,602 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2024-11-21 11:31:52,602 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:31:52,602 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2024-11-21 11:31:52,602 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:31:52,602 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2024-11-21 11:31:52,603 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:31:52,603 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2024-11-21 11:31:52,603 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:31:52,603 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2024-11-21 11:31:52,603 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:31:52,603 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 11:31:52,603 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 11:31:52,603 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 11:31:52,603 INFO L85 PathProgramCache]: Analyzing trace with hash 1173116600, now seen corresponding path program 4 times [2024-11-21 11:31:52,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 11:31:52,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1921528909] [2024-11-21 11:31:52,603 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 11:31:52,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 11:31:52,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 11:31:53,495 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-21 11:31:53,495 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 11:31:53,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1921528909] [2024-11-21 11:31:53,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1921528909] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 11:31:53,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1616072359] [2024-11-21 11:31:53,496 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-21 11:31:53,496 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 11:31:53,496 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 11:31:53,502 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 11:31:53,503 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-21 11:31:53,771 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-21 11:31:53,771 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 11:31:53,774 INFO L256 TraceCheckSpWp]: Trace formula consists of 538 conjuncts, 66 conjuncts are in the unsatisfiable core [2024-11-21 11:31:53,777 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 11:31:53,852 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-21 11:31:53,852 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2024-11-21 11:31:53,874 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 [2024-11-21 11:31:53,967 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 [2024-11-21 11:31:54,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:31:54,031 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 [2024-11-21 11:31:54,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:31:54,070 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 [2024-11-21 11:31:54,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:31:54,214 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 [2024-11-21 11:31:54,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:31:54,253 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-21 11:31:54,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:31:54,404 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 [2024-11-21 11:31:54,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:31:54,445 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 [2024-11-21 11:31:54,569 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-21 11:31:54,569 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 11:31:54,891 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_533 Int) (v_ArrVal_530 (Array Int Int))) (= (select (select (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_530))) (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_533))) |c_~#cache~0.base|) (+ 84 (* |c_t_funThread1of1ForFork0_~i~0#1| 28) |c_~#cache~0.offset|)) 0)) is different from false [2024-11-21 11:31:54,905 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_530 (Array Int Int)) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_39| 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_530) |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 [2024-11-21 11:31:55,039 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-21 11:31:55,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1616072359] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 11:31:55,040 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 11:31:55,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 15] total 39 [2024-11-21 11:31:55,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642991524] [2024-11-21 11:31:55,040 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 11:31:55,040 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2024-11-21 11:31:55,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 11:31:55,041 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2024-11-21 11:31:55,041 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=158, Invalid=1237, Unknown=19, NotChecked=146, Total=1560 [2024-11-21 11:31:55,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:31:55,041 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 11:31:55,042 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 5.625) internal successors, (225), 39 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) [2024-11-21 11:31:55,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:31:55,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:31:55,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:31:55,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:31:55,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 11:31:55,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 11:31:55,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:31:55,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:31:55,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:31:55,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:31:55,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:31:55,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 11:31:55,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 11:31:55,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 11:31:55,564 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-21 11:31:55,746 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 11:31:55,746 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 11:31:55,746 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 11:31:55,747 INFO L139 ounterexampleChecker]: Examining path program with hash 1634427547, occurence #5 [2024-11-21 11:31:55,747 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 11:31:55,747 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-11-21 11:31:55,747 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:31:55,747 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-21 11:31:55,747 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 11:31:55,747 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-11-21 11:31:55,747 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:31:55,747 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-11-21 11:31:55,747 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:31:55,747 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-11-21 11:31:55,747 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:31:55,747 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-11-21 11:31:55,747 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:31:55,748 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-11-21 11:31:55,748 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:31:55,748 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2024-11-21 11:31:55,748 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:31:55,748 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2024-11-21 11:31:55,748 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:31:55,748 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2024-11-21 11:31:55,748 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:31:55,748 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2024-11-21 11:31:55,748 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:31:55,748 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2024-11-21 11:31:55,748 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:31:55,748 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2024-11-21 11:31:55,748 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:31:55,748 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2024-11-21 11:31:55,749 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:31:55,749 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2024-11-21 11:31:55,749 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:31:55,749 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2024-11-21 11:31:55,749 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:31:55,749 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2024-11-21 11:31:55,749 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:31:55,749 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2024-11-21 11:31:55,749 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:31:55,749 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2024-11-21 11:31:55,749 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:31:55,749 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 94 [2024-11-21 11:31:55,749 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:31:55,749 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 95 [2024-11-21 11:31:55,749 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:31:55,749 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 97 [2024-11-21 11:31:55,749 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:31:55,749 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 11:31:55,750 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 11:31:55,753 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 11:31:55,753 INFO L85 PathProgramCache]: Analyzing trace with hash 1320591700, now seen corresponding path program 5 times [2024-11-21 11:31:55,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 11:31:55,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772296063] [2024-11-21 11:31:55,753 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 11:31:55,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 11:31:55,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 11:31:56,833 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 0 proven. 128 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-21 11:31:56,833 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 11:31:56,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1772296063] [2024-11-21 11:31:56,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1772296063] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 11:31:56,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [651579901] [2024-11-21 11:31:56,834 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-21 11:31:56,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 11:31:56,834 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 11:31:56,836 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 11:31:56,837 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-21 11:32:01,711 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2024-11-21 11:32:01,711 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 11:32:01,718 INFO L256 TraceCheckSpWp]: Trace formula consists of 610 conjuncts, 75 conjuncts are in the unsatisfiable core [2024-11-21 11:32:01,722 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 11:32:01,795 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-21 11:32:01,795 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 [2024-11-21 11:32:01,816 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 [2024-11-21 11:32:01,917 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 [2024-11-21 11:32:01,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:32:01,988 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 [2024-11-21 11:32:02,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:32:02,031 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 [2024-11-21 11:32:02,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:32:02,176 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 [2024-11-21 11:32:02,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:32:02,213 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 [2024-11-21 11:32:02,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:32:02,344 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 [2024-11-21 11:32:02,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:32:02,383 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-21 11:32:02,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:32:02,519 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 [2024-11-21 11:32:02,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:32:02,560 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 [2024-11-21 11:32:02,703 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 0 proven. 128 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-21 11:32:02,703 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 11:32:03,146 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_732 (Array Int Int)) (v_ArrVal_735 Int)) (= (select (select (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_732))) (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_735))) |c_~#cache~0.base|) (+ 112 (* |c_t_funThread1of1ForFork0_~i~0#1| 28) |c_~#cache~0.offset|)) 0)) is different from false [2024-11-21 11:32:03,253 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_732 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_732) |c_~#cache~0.base|) (+ 112 |c_~#cache~0.offset|)) 0)) is different from false [2024-11-21 11:32:03,327 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 0 proven. 128 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-21 11:32:03,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [651579901] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 11:32:03,327 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 11:32:03,327 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 44 [2024-11-21 11:32:03,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586289673] [2024-11-21 11:32:03,327 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 11:32:03,327 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2024-11-21 11:32:03,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 11:32:03,328 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2024-11-21 11:32:03,329 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=174, Invalid=1624, Unknown=16, NotChecked=166, Total=1980 [2024-11-21 11:32:03,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:32:03,329 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 11:32:03,329 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 45 states have (on average 6.355555555555555) internal successors, (286), 44 states have internal predecessors, (286), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 11:32:03,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:32:03,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:32:03,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:32:03,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:32:03,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 11:32:03,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 11:32:03,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 11:32:03,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:32:04,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:32:04,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:32:04,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:32:04,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:32:04,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 11:32:04,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 11:32:04,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 11:32:04,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 11:32:04,126 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-21 11:32:04,311 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 11:32:04,311 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 11:32:04,311 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 11:32:04,312 INFO L139 ounterexampleChecker]: Examining path program with hash 1634427547, occurence #6 [2024-11-21 11:32:04,312 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 11:32:04,312 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-11-21 11:32:04,312 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:04,312 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-21 11:32:04,312 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 11:32:04,312 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-11-21 11:32:04,312 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:04,312 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-11-21 11:32:04,312 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:04,312 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-11-21 11:32:04,312 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:04,312 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-11-21 11:32:04,312 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:04,312 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-11-21 11:32:04,312 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:04,312 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2024-11-21 11:32:04,312 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:04,312 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2024-11-21 11:32:04,312 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:04,312 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2024-11-21 11:32:04,312 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:04,312 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2024-11-21 11:32:04,312 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:04,313 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2024-11-21 11:32:04,313 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:04,313 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2024-11-21 11:32:04,313 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:04,313 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2024-11-21 11:32:04,313 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:04,313 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2024-11-21 11:32:04,313 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:04,313 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2024-11-21 11:32:04,313 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:04,313 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2024-11-21 11:32:04,313 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:04,313 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2024-11-21 11:32:04,313 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:04,313 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2024-11-21 11:32:04,313 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:04,313 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 94 [2024-11-21 11:32:04,313 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:04,313 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 95 [2024-11-21 11:32:04,313 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:04,313 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 97 [2024-11-21 11:32:04,313 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:04,313 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 108 [2024-11-21 11:32:04,313 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:04,313 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 113 [2024-11-21 11:32:04,313 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:04,313 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 114 [2024-11-21 11:32:04,313 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:04,313 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 115 [2024-11-21 11:32:04,313 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:04,313 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 117 [2024-11-21 11:32:04,313 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:04,313 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 11:32:04,313 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 11:32:04,313 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 11:32:04,314 INFO L85 PathProgramCache]: Analyzing trace with hash -223509008, now seen corresponding path program 6 times [2024-11-21 11:32:04,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 11:32:04,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276529274] [2024-11-21 11:32:04,314 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 11:32:04,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 11:32:04,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 11:32:05,556 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-21 11:32:05,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 11:32:05,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1276529274] [2024-11-21 11:32:05,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1276529274] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 11:32:05,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2132459383] [2024-11-21 11:32:05,558 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-21 11:32:05,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 11:32:05,558 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 11:32:05,560 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) [2024-11-21 11:32:05,561 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 [2024-11-21 11:32:07,184 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2024-11-21 11:32:07,184 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 11:32:07,196 INFO L256 TraceCheckSpWp]: Trace formula consists of 682 conjuncts, 94 conjuncts are in the unsatisfiable core [2024-11-21 11:32:07,202 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 11:32:07,274 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-21 11:32:07,274 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 [2024-11-21 11:32:07,301 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 [2024-11-21 11:32:07,394 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 16 treesize of output 11 [2024-11-21 11:32:07,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:32:07,466 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 [2024-11-21 11:32:07,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:32:07,503 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 [2024-11-21 11:32:07,649 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 [2024-11-21 11:32:07,684 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 [2024-11-21 11:32:07,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:32:07,809 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 [2024-11-21 11:32:07,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:32:07,841 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 [2024-11-21 11:32:07,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:32:07,952 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 [2024-11-21 11:32:07,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:32:07,993 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 [2024-11-21 11:32:08,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:32:08,129 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 [2024-11-21 11:32:08,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:32:08,172 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 [2024-11-21 11:32:08,292 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-21 11:32:08,292 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 11:32:08,933 WARN L851 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_61| Int) (v_ArrVal_970 (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_970) |c_~#cache~0.base|) (+ 140 .cse0 |c_~#cache~0.offset|)) 0)))) is different from false [2024-11-21 11:32:08,980 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_970 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_970) |c_~#cache~0.base|) (+ 140 |c_~#cache~0.offset|)) 0)) is different from false [2024-11-21 11:32:09,053 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-21 11:32:09,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2132459383] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 11:32:09,053 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 11:32:09,054 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 19] total 51 [2024-11-21 11:32:09,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222002493] [2024-11-21 11:32:09,054 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 11:32:09,054 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2024-11-21 11:32:09,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 11:32:09,055 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2024-11-21 11:32:09,056 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=202, Invalid=2223, Unknown=33, NotChecked=194, Total=2652 [2024-11-21 11:32:09,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:32:09,056 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 11:32:09,056 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 52 states have (on average 6.634615384615385) internal successors, (345), 51 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) [2024-11-21 11:32:09,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:32:09,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:32:09,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:32:09,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:32:09,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 11:32:09,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 11:32:09,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 11:32:09,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 11:32:09,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:32:09,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:32:09,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:32:09,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:32:09,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:32:09,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 11:32:09,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 11:32:09,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 11:32:09,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 11:32:09,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 11:32:09,936 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-21 11:32:10,123 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 11:32:10,124 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 11:32:10,124 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 11:32:10,124 INFO L139 ounterexampleChecker]: Examining path program with hash 1634427547, occurence #7 [2024-11-21 11:32:10,124 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 11:32:10,124 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-11-21 11:32:10,124 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:10,124 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-21 11:32:10,125 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 11:32:10,125 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-11-21 11:32:10,125 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:10,125 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-11-21 11:32:10,125 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:10,125 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-11-21 11:32:10,125 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:10,125 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-11-21 11:32:10,125 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:10,125 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-11-21 11:32:10,125 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:10,125 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2024-11-21 11:32:10,125 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:10,125 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2024-11-21 11:32:10,125 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:10,125 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2024-11-21 11:32:10,125 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:10,126 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2024-11-21 11:32:10,126 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:10,126 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2024-11-21 11:32:10,126 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:10,126 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2024-11-21 11:32:10,127 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:10,127 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2024-11-21 11:32:10,127 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:10,127 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2024-11-21 11:32:10,127 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:10,127 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2024-11-21 11:32:10,127 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:10,127 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2024-11-21 11:32:10,127 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:10,127 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2024-11-21 11:32:10,127 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:10,127 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2024-11-21 11:32:10,127 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:10,127 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 94 [2024-11-21 11:32:10,127 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:10,127 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 95 [2024-11-21 11:32:10,127 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:10,127 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 97 [2024-11-21 11:32:10,127 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:10,128 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 108 [2024-11-21 11:32:10,128 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:10,128 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 113 [2024-11-21 11:32:10,128 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:10,128 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 114 [2024-11-21 11:32:10,128 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:10,128 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 115 [2024-11-21 11:32:10,128 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:10,128 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 117 [2024-11-21 11:32:10,128 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:10,128 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 128 [2024-11-21 11:32:10,128 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:10,128 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 133 [2024-11-21 11:32:10,128 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:10,128 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 134 [2024-11-21 11:32:10,128 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:10,128 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 135 [2024-11-21 11:32:10,128 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:10,128 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 137 [2024-11-21 11:32:10,128 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:10,128 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 11:32:10,128 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 11:32:10,129 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 11:32:10,129 INFO L85 PathProgramCache]: Analyzing trace with hash -411040628, now seen corresponding path program 7 times [2024-11-21 11:32:10,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 11:32:10,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826082292] [2024-11-21 11:32:10,129 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 11:32:10,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 11:32:10,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 11:32:11,472 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 0 proven. 312 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-21 11:32:11,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 11:32:11,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [826082292] [2024-11-21 11:32:11,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [826082292] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 11:32:11,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1352401035] [2024-11-21 11:32:11,472 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-21 11:32:11,472 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 11:32:11,473 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 11:32:11,475 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) [2024-11-21 11:32:11,476 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 [2024-11-21 11:32:11,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 11:32:11,656 INFO L256 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 102 conjuncts are in the unsatisfiable core [2024-11-21 11:32:11,660 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 11:32:11,732 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-21 11:32:11,732 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 [2024-11-21 11:32:11,754 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 [2024-11-21 11:32:11,849 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 [2024-11-21 11:32:11,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:32:11,914 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 [2024-11-21 11:32:11,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:32:11,949 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 [2024-11-21 11:32:12,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:32:12,100 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-21 11:32:12,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:32:12,141 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-21 11:32:12,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:32:12,272 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 [2024-11-21 11:32:12,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:32:12,307 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 [2024-11-21 11:32:12,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:32:12,464 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 [2024-11-21 11:32:12,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:32:12,512 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 [2024-11-21 11:32:12,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:32:12,673 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 [2024-11-21 11:32:12,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:32:12,723 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 [2024-11-21 11:32:12,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:32:12,886 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 [2024-11-21 11:32:12,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:32:12,933 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 [2024-11-21 11:32:13,066 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 0 proven. 312 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-21 11:32:13,066 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 11:32:13,887 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1244 (Array Int Int)) (v_ArrVal_1247 Int)) (= (select (select (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1244))) (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_1247))) |c_~#cache~0.base|) (+ (* |c_t_funThread1of1ForFork0_~i~0#1| 28) 168 |c_~#cache~0.offset|)) 0)) is different from false [2024-11-21 11:32:13,898 WARN L851 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_75| Int) (v_ArrVal_1244 (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_75|) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1244) |c_~#cache~0.base|) (+ .cse0 168 |c_~#cache~0.offset|)) 0)))) is different from false [2024-11-21 11:32:13,901 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1244 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1244) |c_~#cache~0.base|) (+ (* |c_t_funThread1of1ForFork0_~i~0#1| 28) 168 |c_~#cache~0.offset|)) 0)) is different from false [2024-11-21 11:32:14,015 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 0 proven. 312 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-21 11:32:14,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1352401035] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 11:32:14,015 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 11:32:14,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20, 21] total 57 [2024-11-21 11:32:14,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696137733] [2024-11-21 11:32:14,015 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 11:32:14,015 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 58 states [2024-11-21 11:32:14,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 11:32:14,018 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2024-11-21 11:32:14,020 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=226, Invalid=2740, Unknown=16, NotChecked=324, Total=3306 [2024-11-21 11:32:14,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:32:14,020 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 11:32:14,021 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 58 states, 58 states have (on average 6.982758620689655) internal successors, (405), 57 states have internal predecessors, (405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 11:32:14,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:32:14,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:32:14,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:32:14,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:32:14,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 11:32:14,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 11:32:14,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 11:32:14,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 11:32:14,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 11:32:14,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:32:14,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:32:14,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:32:14,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:32:14,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:32:14,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 11:32:14,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 11:32:14,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 11:32:14,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 11:32:14,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 11:32:14,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 11:32:14,930 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-21 11:32:15,117 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-21 11:32:15,118 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 11:32:15,118 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 11:32:15,118 INFO L139 ounterexampleChecker]: Examining path program with hash 1634427547, occurence #8 [2024-11-21 11:32:15,118 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 11:32:15,118 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-11-21 11:32:15,118 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:15,118 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-21 11:32:15,118 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 11:32:15,118 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-11-21 11:32:15,118 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:15,118 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-11-21 11:32:15,119 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:15,119 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-11-21 11:32:15,119 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:15,119 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-11-21 11:32:15,119 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:15,119 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-11-21 11:32:15,119 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:15,119 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2024-11-21 11:32:15,119 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:15,119 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2024-11-21 11:32:15,119 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:15,119 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2024-11-21 11:32:15,119 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:15,119 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2024-11-21 11:32:15,119 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:15,119 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2024-11-21 11:32:15,119 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:15,119 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2024-11-21 11:32:15,119 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:15,119 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2024-11-21 11:32:15,119 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:15,119 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2024-11-21 11:32:15,119 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:15,119 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2024-11-21 11:32:15,119 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:15,119 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2024-11-21 11:32:15,119 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:15,119 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2024-11-21 11:32:15,119 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:15,119 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2024-11-21 11:32:15,119 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:15,119 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 94 [2024-11-21 11:32:15,119 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:15,119 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 95 [2024-11-21 11:32:15,119 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:15,119 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 97 [2024-11-21 11:32:15,119 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:15,119 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 108 [2024-11-21 11:32:15,119 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:15,119 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 113 [2024-11-21 11:32:15,119 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:15,119 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 114 [2024-11-21 11:32:15,119 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:15,119 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 115 [2024-11-21 11:32:15,119 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:15,119 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 117 [2024-11-21 11:32:15,119 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:15,119 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 128 [2024-11-21 11:32:15,119 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:15,119 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 133 [2024-11-21 11:32:15,119 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:15,119 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 134 [2024-11-21 11:32:15,119 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:15,119 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 135 [2024-11-21 11:32:15,119 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:15,119 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 137 [2024-11-21 11:32:15,119 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:15,120 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 148 [2024-11-21 11:32:15,120 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:15,120 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 153 [2024-11-21 11:32:15,120 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:15,120 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 154 [2024-11-21 11:32:15,120 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:15,120 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 155 [2024-11-21 11:32:15,120 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:15,120 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 157 [2024-11-21 11:32:15,120 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:15,120 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 11:32:15,120 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 11:32:15,120 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 11:32:15,120 INFO L85 PathProgramCache]: Analyzing trace with hash 895294760, now seen corresponding path program 8 times [2024-11-21 11:32:15,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 11:32:15,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014168755] [2024-11-21 11:32:15,120 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 11:32:15,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 11:32:15,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 11:32:16,610 INFO L134 CoverageAnalysis]: Checked inductivity of 489 backedges. 0 proven. 434 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-21 11:32:16,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 11:32:16,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014168755] [2024-11-21 11:32:16,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1014168755] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 11:32:16,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1147275573] [2024-11-21 11:32:16,611 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-21 11:32:16,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 11:32:16,611 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 11:32:16,613 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) [2024-11-21 11:32:16,614 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 [2024-11-21 11:32:16,802 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-21 11:32:16,802 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 11:32:16,812 INFO L256 TraceCheckSpWp]: Trace formula consists of 826 conjuncts, 111 conjuncts are in the unsatisfiable core [2024-11-21 11:32:16,817 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 11:32:16,893 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-21 11:32:16,893 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 [2024-11-21 11:32:16,918 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 [2024-11-21 11:32:17,018 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 [2024-11-21 11:32:17,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:32:17,091 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 [2024-11-21 11:32:17,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:32:17,131 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 [2024-11-21 11:32:17,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:32:17,300 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 [2024-11-21 11:32:17,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:32:17,337 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 [2024-11-21 11:32:17,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:32:17,479 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 [2024-11-21 11:32:17,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:32:17,517 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 [2024-11-21 11:32:17,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:32:17,657 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 [2024-11-21 11:32:17,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:32:17,697 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 [2024-11-21 11:32:17,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:32:17,834 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 [2024-11-21 11:32:17,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:32:17,872 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 [2024-11-21 11:32:18,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:32:18,016 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 [2024-11-21 11:32:18,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:32:18,054 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 [2024-11-21 11:32:18,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:32:18,203 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 [2024-11-21 11:32:18,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:32:18,241 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 [2024-11-21 11:32:18,366 INFO L134 CoverageAnalysis]: Checked inductivity of 489 backedges. 0 proven. 434 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-21 11:32:18,366 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 11:32:19,414 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1554 (Array Int Int)) (v_ArrVal_1558 Int)) (= (select (select (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1554))) (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_1558))) |c_~#cache~0.base|) (+ 196 (* |c_t_funThread1of1ForFork0_~i~0#1| 28) |c_~#cache~0.offset|)) 0)) is different from false [2024-11-21 11:32:19,427 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1554 (Array Int Int)) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_91| Int)) (let ((.cse0 (* |c_t_funThread1of1ForFork0_~i~0#1| 28))) (or (< (+ .cse0 |c_~#cache~0.offset|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_91|) (= 0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1554) |c_~#cache~0.base|) (+ 196 .cse0 |c_~#cache~0.offset|)))))) is different from false [2024-11-21 11:32:19,430 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1554 (Array Int Int))) (= 0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1554) |c_~#cache~0.base|) (+ 196 (* |c_t_funThread1of1ForFork0_~i~0#1| 28) |c_~#cache~0.offset|)))) is different from false [2024-11-21 11:32:19,433 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1554 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1554) |c_~#cache~0.base|) (+ 196 |c_~#cache~0.offset|)) 0)) is different from false [2024-11-21 11:32:19,510 INFO L134 CoverageAnalysis]: Checked inductivity of 489 backedges. 0 proven. 434 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-21 11:32:19,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1147275573] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 11:32:19,510 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 11:32:19,510 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22, 23] total 63 [2024-11-21 11:32:19,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65289544] [2024-11-21 11:32:19,510 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 11:32:19,511 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 64 states [2024-11-21 11:32:19,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 11:32:19,512 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2024-11-21 11:32:19,512 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=244, Invalid=3308, Unknown=4, NotChecked=476, Total=4032 [2024-11-21 11:32:19,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:32:19,512 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 11:32:19,513 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 64 states, 64 states have (on average 7.28125) internal successors, (466), 63 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 11:32:19,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:32:19,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:32:19,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:32:19,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:32:19,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 11:32:19,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 11:32:19,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 11:32:19,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 11:32:19,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 11:32:19,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-21 11:32:19,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:32:20,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:32:20,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:32:20,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:32:20,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:32:20,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 11:32:20,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 11:32:20,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 11:32:20,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 11:32:20,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 11:32:20,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 11:32:20,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-21 11:32:20,742 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-21 11:32:20,926 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,SelfDestructingSolverStorable10 [2024-11-21 11:32:20,926 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 11:32:20,926 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 11:32:20,926 INFO L139 ounterexampleChecker]: Examining path program with hash 1634427547, occurence #9 [2024-11-21 11:32:20,926 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 11:32:20,926 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-11-21 11:32:20,927 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:20,927 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-21 11:32:20,927 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 11:32:20,927 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-11-21 11:32:20,927 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:20,927 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-11-21 11:32:20,927 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:20,927 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-11-21 11:32:20,927 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:20,927 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-11-21 11:32:20,927 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:20,927 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-11-21 11:32:20,927 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:20,927 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2024-11-21 11:32:20,927 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:20,927 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2024-11-21 11:32:20,927 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:20,927 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2024-11-21 11:32:20,927 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:20,927 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2024-11-21 11:32:20,927 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:20,927 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2024-11-21 11:32:20,927 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:20,927 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2024-11-21 11:32:20,927 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:20,927 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2024-11-21 11:32:20,927 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:20,927 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2024-11-21 11:32:20,927 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:20,927 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2024-11-21 11:32:20,927 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:20,927 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2024-11-21 11:32:20,927 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:20,927 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2024-11-21 11:32:20,927 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:20,927 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2024-11-21 11:32:20,927 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:20,927 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 94 [2024-11-21 11:32:20,927 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:20,927 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 95 [2024-11-21 11:32:20,927 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:20,927 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 97 [2024-11-21 11:32:20,927 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:20,927 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 108 [2024-11-21 11:32:20,927 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:20,927 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 113 [2024-11-21 11:32:20,927 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:20,927 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 114 [2024-11-21 11:32:20,927 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:20,927 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 115 [2024-11-21 11:32:20,927 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:20,927 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 117 [2024-11-21 11:32:20,927 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:20,927 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 128 [2024-11-21 11:32:20,927 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:20,927 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 133 [2024-11-21 11:32:20,928 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:20,928 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 134 [2024-11-21 11:32:20,928 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:20,928 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 135 [2024-11-21 11:32:20,928 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:20,928 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 137 [2024-11-21 11:32:20,928 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:20,928 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 148 [2024-11-21 11:32:20,928 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:20,929 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 153 [2024-11-21 11:32:20,929 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:20,929 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 154 [2024-11-21 11:32:20,929 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:20,929 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 155 [2024-11-21 11:32:20,929 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:20,929 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 157 [2024-11-21 11:32:20,929 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:20,929 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 168 [2024-11-21 11:32:20,929 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:20,929 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 173 [2024-11-21 11:32:20,929 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:20,929 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 174 [2024-11-21 11:32:20,930 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:20,930 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 175 [2024-11-21 11:32:20,930 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:20,930 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 177 [2024-11-21 11:32:20,930 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:20,930 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 11:32:20,930 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 11:32:20,930 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 11:32:20,930 INFO L85 PathProgramCache]: Analyzing trace with hash -151793724, now seen corresponding path program 9 times [2024-11-21 11:32:20,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 11:32:20,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420667813] [2024-11-21 11:32:20,930 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 11:32:20,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 11:32:20,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 11:32:22,912 INFO L134 CoverageAnalysis]: Checked inductivity of 631 backedges. 0 proven. 576 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-21 11:32:22,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 11:32:22,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420667813] [2024-11-21 11:32:22,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [420667813] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 11:32:22,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1481124773] [2024-11-21 11:32:22,912 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-21 11:32:22,912 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 11:32:22,912 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 11:32:22,915 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) [2024-11-21 11:32:22,917 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 [2024-11-21 11:32:35,342 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2024-11-21 11:32:35,342 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 11:32:35,361 INFO L256 TraceCheckSpWp]: Trace formula consists of 898 conjuncts, 140 conjuncts are in the unsatisfiable core [2024-11-21 11:32:35,367 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 11:32:35,544 INFO L349 Elim1Store]: treesize reduction 12, result has 52.0 percent of original size [2024-11-21 11:32:35,545 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 25 [2024-11-21 11:32:35,593 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 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 [2024-11-21 11:32:35,778 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 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 [2024-11-21 11:32:35,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:32:35,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:32:35,864 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2024-11-21 11:32:35,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:32:35,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:32:35,937 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 [2024-11-21 11:32:36,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:32:36,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:32:36,132 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 [2024-11-21 11:32:36,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:32:36,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:32:36,189 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 [2024-11-21 11:32:36,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:32:36,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:32:36,358 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 [2024-11-21 11:32:36,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:32:36,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:32:36,398 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 [2024-11-21 11:32:36,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:32:36,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:32:36,544 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 [2024-11-21 11:32:36,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:32:36,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:32:36,595 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 [2024-11-21 11:32:36,767 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 [2024-11-21 11:32:36,841 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 [2024-11-21 11:32:37,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:32:37,017 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-21 11:32:37,017 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 25 [2024-11-21 11:32:37,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:32:37,117 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-21 11:32:37,117 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 29 [2024-11-21 11:32:37,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:32:37,303 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 [2024-11-21 11:32:37,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:32:37,344 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 [2024-11-21 11:32:37,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:32:37,491 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 [2024-11-21 11:32:37,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:32:37,527 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 [2024-11-21 11:32:37,629 INFO L134 CoverageAnalysis]: Checked inductivity of 631 backedges. 0 proven. 576 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-21 11:32:37,629 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 11:32:39,159 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1900 (Array Int Int)) (v_ArrVal_1904 Int)) (= (select (select (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1900))) (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_1904))) |c_~#cache~0.base|) (+ 224 (* |c_t_funThread1of1ForFork0_~i~0#1| 28) |c_~#cache~0.offset|)) 0)) is different from false [2024-11-21 11:32:39,183 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1900 (Array Int Int)) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_109| 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_109|) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1900) |c_~#cache~0.base|) (+ 224 .cse0 |c_~#cache~0.offset|)) 0)))) is different from false [2024-11-21 11:32:39,186 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1900 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1900) |c_~#cache~0.base|) (+ 224 (* |c_t_funThread1of1ForFork0_~i~0#1| 28) |c_~#cache~0.offset|)) 0)) is different from false [2024-11-21 11:32:39,193 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1900 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1900) |c_~#cache~0.base|) (+ 224 |c_~#cache~0.offset|)) 0)) is different from false [2024-11-21 11:32:39,299 INFO L134 CoverageAnalysis]: Checked inductivity of 631 backedges. 0 proven. 576 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-21 11:32:39,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1481124773] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 11:32:39,299 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 11:32:39,299 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 27, 25] total 72 [2024-11-21 11:32:39,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219479703] [2024-11-21 11:32:39,300 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 11:32:39,300 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 73 states [2024-11-21 11:32:39,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 11:32:39,301 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2024-11-21 11:32:39,302 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=305, Invalid=4399, Unknown=4, NotChecked=548, Total=5256 [2024-11-21 11:32:39,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:32:39,302 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 11:32:39,302 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 73 states, 73 states have (on average 7.191780821917808) internal successors, (525), 72 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) [2024-11-21 11:32:39,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:32:39,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:32:39,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:32:39,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:32:39,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 11:32:39,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 11:32:39,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 11:32:39,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 11:32:39,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 11:32:39,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-21 11:32:39,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-21 11:32:39,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:32:40,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:32:40,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:32:40,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:32:40,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:32:40,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 11:32:40,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 11:32:40,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 11:32:40,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 11:32:40,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 11:32:40,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 11:32:40,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-21 11:32:40,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-21 11:32:40,846 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-21 11:32:41,024 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,13 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 11:32:41,025 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 11:32:41,025 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 11:32:41,025 INFO L139 ounterexampleChecker]: Examining path program with hash 1634427547, occurence #10 [2024-11-21 11:32:41,025 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 11:32:41,025 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-11-21 11:32:41,025 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:41,025 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-21 11:32:41,025 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 11:32:41,025 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-11-21 11:32:41,025 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:41,025 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-11-21 11:32:41,025 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:41,025 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-11-21 11:32:41,025 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:41,025 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-11-21 11:32:41,025 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:41,025 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-11-21 11:32:41,025 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:41,025 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2024-11-21 11:32:41,025 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:41,025 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2024-11-21 11:32:41,025 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:41,025 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2024-11-21 11:32:41,025 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:41,025 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2024-11-21 11:32:41,025 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:41,025 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2024-11-21 11:32:41,025 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:41,025 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2024-11-21 11:32:41,025 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:41,025 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2024-11-21 11:32:41,026 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:41,026 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2024-11-21 11:32:41,026 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:41,026 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2024-11-21 11:32:41,026 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:41,026 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2024-11-21 11:32:41,026 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:41,026 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2024-11-21 11:32:41,026 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:41,026 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2024-11-21 11:32:41,026 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:41,026 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 94 [2024-11-21 11:32:41,026 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:41,026 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 95 [2024-11-21 11:32:41,026 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:41,026 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 97 [2024-11-21 11:32:41,026 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:41,026 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 108 [2024-11-21 11:32:41,026 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:41,026 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 113 [2024-11-21 11:32:41,026 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:41,026 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 114 [2024-11-21 11:32:41,026 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:41,026 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 115 [2024-11-21 11:32:41,026 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:41,026 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 117 [2024-11-21 11:32:41,026 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:41,026 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 128 [2024-11-21 11:32:41,026 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:41,026 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 133 [2024-11-21 11:32:41,026 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:41,026 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 134 [2024-11-21 11:32:41,026 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:41,026 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 135 [2024-11-21 11:32:41,026 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:41,026 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 137 [2024-11-21 11:32:41,026 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:41,026 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 148 [2024-11-21 11:32:41,026 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:41,026 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 153 [2024-11-21 11:32:41,026 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:41,026 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 154 [2024-11-21 11:32:41,026 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:41,026 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 155 [2024-11-21 11:32:41,027 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:41,027 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 157 [2024-11-21 11:32:41,027 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:41,027 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 168 [2024-11-21 11:32:41,027 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:41,027 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 173 [2024-11-21 11:32:41,027 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:41,027 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 174 [2024-11-21 11:32:41,027 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:41,027 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 175 [2024-11-21 11:32:41,027 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:41,027 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 177 [2024-11-21 11:32:41,027 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:41,027 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 188 [2024-11-21 11:32:41,027 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:41,027 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 193 [2024-11-21 11:32:41,027 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:41,028 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 194 [2024-11-21 11:32:41,028 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:41,028 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 195 [2024-11-21 11:32:41,028 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:41,028 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 197 [2024-11-21 11:32:41,028 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:41,028 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 11:32:41,028 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 11:32:41,028 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 11:32:41,028 INFO L85 PathProgramCache]: Analyzing trace with hash 426974304, now seen corresponding path program 10 times [2024-11-21 11:32:41,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 11:32:41,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136864347] [2024-11-21 11:32:41,028 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 11:32:41,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 11:32:41,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 11:32:43,230 INFO L134 CoverageAnalysis]: Checked inductivity of 793 backedges. 0 proven. 738 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-21 11:32:43,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 11:32:43,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2136864347] [2024-11-21 11:32:43,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2136864347] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 11:32:43,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [163924915] [2024-11-21 11:32:43,230 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-21 11:32:43,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 11:32:43,231 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 11:32:43,232 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 11:32:43,233 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-21 11:40:07,922 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-21 11:40:07,923 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 11:40:08,003 INFO L256 TraceCheckSpWp]: Trace formula consists of 970 conjuncts, 158 conjuncts are in the unsatisfiable core [2024-11-21 11:40:08,013 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 11:40:08,128 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-21 11:40:08,128 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 [2024-11-21 11:40:08,166 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 30 treesize of output 21 [2024-11-21 11:40:08,304 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 30 treesize of output 21 [2024-11-21 11:40:08,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:40:08,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:40:08,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:40:08,404 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 31 [2024-11-21 11:40:08,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:40:08,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:40:08,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:40:08,456 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 31 [2024-11-21 11:40:08,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:40:08,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:40:08,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:40:08,678 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 31 [2024-11-21 11:40:08,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:40:08,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:40:08,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:40:08,736 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 31 [2024-11-21 11:40:08,914 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 31 [2024-11-21 11:40:09,003 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 31 [2024-11-21 11:40:09,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:40:09,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:40:09,216 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-21 11:40:09,216 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 35 [2024-11-21 11:40:09,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:40:09,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:40:09,320 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-21 11:40:09,320 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 39 [2024-11-21 11:40:09,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:40:09,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:40:09,509 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 [2024-11-21 11:40:09,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:40:09,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:40:09,552 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 [2024-11-21 11:40:09,728 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 [2024-11-21 11:40:09,830 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 [2024-11-21 11:40:09,979 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2024-11-21 11:40:10,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:40:10,058 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-21 11:40:10,058 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 25 [2024-11-21 11:40:10,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:40:10,187 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-21 11:40:10,187 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 29 [2024-11-21 11:40:10,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:40:10,408 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 [2024-11-21 11:40:10,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:40:10,455 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 [2024-11-21 11:40:10,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:40:10,634 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 [2024-11-21 11:40:10,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:40:10,679 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 [2024-11-21 11:40:10,820 INFO L134 CoverageAnalysis]: Checked inductivity of 793 backedges. 0 proven. 738 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-21 11:40:10,821 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 11:40:11,255 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 4 [2024-11-21 11:40:12,105 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2285 Int) (v_ArrVal_2282 (Array Int Int))) (= (select (select (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_2282))) (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_2285))) |c_~#cache~0.base|) (+ 252 (* |c_t_funThread1of1ForFork0_~i~0#1| 28) |c_~#cache~0.offset|)) 0)) is different from false [2024-11-21 11:40:12,447 INFO L134 CoverageAnalysis]: Checked inductivity of 793 backedges. 0 proven. 738 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-21 11:40:12,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [163924915] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 11:40:12,447 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 11:40:12,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 32, 26] total 80 [2024-11-21 11:40:12,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539313176] [2024-11-21 11:40:12,447 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 11:40:12,448 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 81 states [2024-11-21 11:40:12,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 11:40:12,448 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 81 interpolants. [2024-11-21 11:40:12,450 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=376, Invalid=5897, Unknown=51, NotChecked=156, Total=6480 [2024-11-21 11:40:12,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:40:12,450 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 11:40:12,450 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 81 states, 81 states have (on average 7.222222222222222) internal successors, (585), 80 states have internal predecessors, (585), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 11:40:12,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:40:12,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:40:12,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:40:12,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:40:12,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 11:40:12,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 11:40:12,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 11:40:12,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 11:40:12,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 11:40:12,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-21 11:40:12,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-21 11:40:12,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-11-21 11:40:12,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:40:14,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:40:14,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:40:14,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:40:14,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:40:14,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 11:40:14,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 11:40:14,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 11:40:14,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 11:40:14,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 11:40:14,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 11:40:14,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-21 11:40:14,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-21 11:40:14,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-21 11:40:14,538 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-11-21 11:40:14,659 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,14 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 11:40:14,660 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 11:40:14,660 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 11:40:14,660 INFO L139 ounterexampleChecker]: Examining path program with hash 1634427547, occurence #11 [2024-11-21 11:40:14,660 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 11:40:14,660 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-11-21 11:40:14,660 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:40:14,660 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-21 11:40:14,660 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 11:40:14,661 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-11-21 11:40:14,661 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:40:14,661 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-11-21 11:40:14,661 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:40:14,661 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-11-21 11:40:14,661 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:40:14,661 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-11-21 11:40:14,661 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:40:14,661 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-11-21 11:40:14,661 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:40:14,661 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2024-11-21 11:40:14,661 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:40:14,661 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2024-11-21 11:40:14,662 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:40:14,662 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2024-11-21 11:40:14,662 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:40:14,662 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2024-11-21 11:40:14,662 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:40:14,662 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2024-11-21 11:40:14,662 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:40:14,662 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2024-11-21 11:40:14,662 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:40:14,663 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2024-11-21 11:40:14,663 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:40:14,663 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2024-11-21 11:40:14,663 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:40:14,663 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2024-11-21 11:40:14,663 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:40:14,663 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2024-11-21 11:40:14,663 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:40:14,663 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2024-11-21 11:40:14,663 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:40:14,663 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2024-11-21 11:40:14,663 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:40:14,663 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 94 [2024-11-21 11:40:14,663 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:40:14,663 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 95 [2024-11-21 11:40:14,664 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:40:14,664 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 97 [2024-11-21 11:40:14,664 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:40:14,664 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 108 [2024-11-21 11:40:14,664 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:40:14,664 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 113 [2024-11-21 11:40:14,664 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:40:14,664 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 114 [2024-11-21 11:40:14,664 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:40:14,664 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 115 [2024-11-21 11:40:14,664 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:40:14,664 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 117 [2024-11-21 11:40:14,665 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:40:14,665 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 128 [2024-11-21 11:40:14,665 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:40:14,665 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 133 [2024-11-21 11:40:14,665 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:40:14,665 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 134 [2024-11-21 11:40:14,665 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:40:14,665 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 135 [2024-11-21 11:40:14,665 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:40:14,665 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 137 [2024-11-21 11:40:14,665 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:40:14,665 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 148 [2024-11-21 11:40:14,666 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:40:14,666 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 153 [2024-11-21 11:40:14,666 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:40:14,666 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 154 [2024-11-21 11:40:14,666 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:40:14,666 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 155 [2024-11-21 11:40:14,666 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:40:14,666 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 157 [2024-11-21 11:40:14,666 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:40:14,666 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 168 [2024-11-21 11:40:14,666 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:40:14,666 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 173 [2024-11-21 11:40:14,666 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:40:14,666 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 174 [2024-11-21 11:40:14,666 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:40:14,666 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 175 [2024-11-21 11:40:14,666 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:40:14,666 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 177 [2024-11-21 11:40:14,666 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:40:14,666 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 188 [2024-11-21 11:40:14,666 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:40:14,666 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 193 [2024-11-21 11:40:14,666 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:40:14,666 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 194 [2024-11-21 11:40:14,666 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:40:14,666 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 195 [2024-11-21 11:40:14,666 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:40:14,666 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 197 [2024-11-21 11:40:14,666 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:40:14,666 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 208 [2024-11-21 11:40:14,666 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:40:14,666 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 213 [2024-11-21 11:40:14,666 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:40:14,667 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 214 [2024-11-21 11:40:14,667 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:40:14,667 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 215 [2024-11-21 11:40:14,667 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:40:14,667 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 217 [2024-11-21 11:40:14,667 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:40:14,667 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 11:40:14,667 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 11:40:14,667 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 11:40:14,667 INFO L85 PathProgramCache]: Analyzing trace with hash 478806780, now seen corresponding path program 11 times [2024-11-21 11:40:14,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 11:40:14,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787633242] [2024-11-21 11:40:14,667 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 11:40:14,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 11:40:14,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 11:40:14,885 INFO L134 CoverageAnalysis]: Checked inductivity of 975 backedges. 767 proven. 153 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-21 11:40:14,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 11:40:14,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787633242] [2024-11-21 11:40:14,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [787633242] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 11:40:14,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1631796662] [2024-11-21 11:40:14,886 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-21 11:40:14,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 11:40:14,886 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 11:40:14,890 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 11:40:14,891 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-21 11:41:34,425 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2024-11-21 11:41:34,425 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 11:41:34,464 INFO L256 TraceCheckSpWp]: Trace formula consists of 1042 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-21 11:41:34,467 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 11:41:34,638 INFO L134 CoverageAnalysis]: Checked inductivity of 975 backedges. 920 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-21 11:41:34,638 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-21 11:41:34,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1631796662] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 11:41:34,638 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-21 11:41:34,638 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [13] total 14 [2024-11-21 11:41:34,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207300833] [2024-11-21 11:41:34,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 11:41:34,639 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-21 11:41:34,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 11:41:34,639 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-21 11:41:34,639 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=101, Unknown=0, NotChecked=0, Total=182 [2024-11-21 11:41:34,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:41:34,639 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 11:41:34,640 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 16.76923076923077) internal successors, (218), 13 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 11:41:34,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:41:34,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:41:34,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:41:34,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:41:34,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 11:41:34,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 11:41:34,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 11:41:34,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 11:41:34,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 11:41:34,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-21 11:41:34,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-21 11:41:34,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-11-21 11:41:34,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-11-21 11:41:34,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:41:47,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:41:47,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:41:47,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 11:41:47,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:41:47,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:41:47,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 11:41:47,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-21 11:41:47,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-21 11:41:47,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-21 11:41:47,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-21 11:41:47,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-21 11:41:47,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-11-21 11:41:47,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-11-21 11:41:47,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 11:41:48,012 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-21 11:41:48,181 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-21 11:41:48,181 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 11:41:48,181 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 11:41:48,182 INFO L139 ounterexampleChecker]: Examining path program with hash 796331569, occurence #1 [2024-11-21 11:41:48,182 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 11:41:48,182 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 11:41:48,182 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 11:41:48,182 INFO L85 PathProgramCache]: Analyzing trace with hash 1987557389, now seen corresponding path program 1 times [2024-11-21 11:41:48,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 11:41:48,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277137547] [2024-11-21 11:41:48,182 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 11:41:48,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 11:41:48,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 11:41:48,362 INFO L134 CoverageAnalysis]: Checked inductivity of 1513 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1513 trivial. 0 not checked. [2024-11-21 11:41:48,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 11:41:48,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277137547] [2024-11-21 11:41:48,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [277137547] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 11:41:48,362 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 11:41:48,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-21 11:41:48,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525017677] [2024-11-21 11:41:48,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 11:41:48,363 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-21 11:41:48,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 11:41:48,363 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-21 11:41:48,363 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-21 11:41:48,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:41:48,363 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 11:41:48,363 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 11:41:48,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:41:48,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:41:48,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 11:41:48,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:41:48,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:41:48,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 11:41:48,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-21 11:41:48,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-21 11:41:48,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-11-21 11:41:48,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-11-21 11:41:48,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-11-21 11:41:48,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-11-21 11:41:48,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-11-21 11:41:48,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 11:41:48,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:41:49,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:41:49,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:41:49,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 11:41:49,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:41:49,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:41:49,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 11:41:49,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-21 11:41:49,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-21 11:41:49,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-21 11:41:49,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-21 11:41:49,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-21 11:41:49,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-11-21 11:41:49,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-11-21 11:41:49,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 11:41:49,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 11:41:49,291 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-21 11:41:49,292 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-21 11:41:49,295 INFO L422 BasicCegarLoop]: Path program histogram: [11, 2, 1, 1] [2024-11-21 11:41:49,296 INFO L319 ceAbstractionStarter]: Result for error location t_funThread1of1ForFork0 was SAFE (1/2) [2024-11-21 11:41:49,298 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-21 11:41:49,299 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-21 11:41:49,299 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-21 11:41:49,299 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;@3685d603, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-21 11:41:49,299 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-11-21 11:41:49,303 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 11:41:49,303 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 11:41:49,303 INFO L139 ounterexampleChecker]: Examining path program with hash -517071205, occurence #1 [2024-11-21 11:41:49,303 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 11:41:49,303 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 11:41:49,303 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 11:41:49,304 INFO L85 PathProgramCache]: Analyzing trace with hash -1439742186, now seen corresponding path program 1 times [2024-11-21 11:41:49,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 11:41:49,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011747891] [2024-11-21 11:41:49,304 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 11:41:49,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 11:41:49,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 11:41:49,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 11:41:49,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 11:41:49,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011747891] [2024-11-21 11:41:49,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1011747891] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 11:41:49,321 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 11:41:49,321 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-21 11:41:49,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632177247] [2024-11-21 11:41:49,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 11:41:49,321 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-21 11:41:49,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 11:41:49,321 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-21 11:41:49,322 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-21 11:41:49,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:41:49,322 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 11:41:49,322 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 11:41:49,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:41:49,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:41:49,337 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-21 11:41:49,337 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 11:41:49,337 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 11:41:49,337 INFO L139 ounterexampleChecker]: Examining path program with hash -517071205, occurence #2 [2024-11-21 11:41:49,337 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 11:41:49,338 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2024-11-21 11:41:49,338 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:41:49,338 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2024-11-21 11:41:49,338 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 11:41:49,338 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 11:41:49,338 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 11:41:49,338 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 11:41:49,338 INFO L85 PathProgramCache]: Analyzing trace with hash -1290328383, now seen corresponding path program 1 times [2024-11-21 11:41:49,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 11:41:49,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221824081] [2024-11-21 11:41:49,338 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 11:41:49,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 11:41:49,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 11:41:49,359 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 11:41:49,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 11:41:49,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [221824081] [2024-11-21 11:41:49,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [221824081] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 11:41:49,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [209776940] [2024-11-21 11:41:49,359 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 11:41:49,359 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 11:41:49,359 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 11:41:49,361 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 11:41:49,405 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-21 11:41:49,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 11:41:49,568 INFO L256 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-21 11:41:49,569 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 11:41:49,573 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 11:41:49,573 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 11:41:49,580 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 11:41:49,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [209776940] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 11:41:49,580 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 11:41:49,580 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-21 11:41:49,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113192060] [2024-11-21 11:41:49,580 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 11:41:49,581 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-21 11:41:49,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 11:41:49,581 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-21 11:41:49,581 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-21 11:41:49,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:41:49,581 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 11:41:49,581 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 6 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) [2024-11-21 11:41:49,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:41:49,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:41:49,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:41:49,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:41:49,625 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-21 11:41:49,808 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-21 11:41:49,808 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 11:41:49,808 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 11:41:49,808 INFO L139 ounterexampleChecker]: Examining path program with hash -517071205, occurence #3 [2024-11-21 11:41:49,809 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 11:41:49,809 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2024-11-21 11:41:49,809 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:41:49,809 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2024-11-21 11:41:49,809 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 11:41:49,809 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 11:41:49,809 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 11:41:49,809 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 11:41:49,809 INFO L85 PathProgramCache]: Analyzing trace with hash -1795204650, now seen corresponding path program 2 times [2024-11-21 11:41:49,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 11:41:49,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313351566] [2024-11-21 11:41:49,809 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 11:41:49,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 11:41:49,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 11:41:49,846 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 11:41:49,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 11:41:49,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313351566] [2024-11-21 11:41:49,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1313351566] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 11:41:49,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [178378905] [2024-11-21 11:41:49,846 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-21 11:41:49,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 11:41:49,846 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 11:41:49,848 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 11:41:49,853 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-21 11:41:50,024 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-21 11:41:50,024 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 11:41:50,025 INFO L256 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-21 11:41:50,025 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 11:41:50,036 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 11:41:50,036 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 11:41:50,071 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 11:41:50,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [178378905] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 11:41:50,071 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 11:41:50,071 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2024-11-21 11:41:50,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344111] [2024-11-21 11:41:50,071 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 11:41:50,072 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-21 11:41:50,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 11:41:50,073 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-21 11:41:50,073 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2024-11-21 11:41:50,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:41:50,073 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 11:41:50,073 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 1.6923076923076923) internal successors, (22), 12 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) [2024-11-21 11:41:50,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:41:50,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:41:50,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:41:50,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:41:50,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:41:50,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:41:50,113 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-21 11:41:50,303 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-21 11:41:50,304 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 11:41:50,304 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 11:41:50,304 INFO L139 ounterexampleChecker]: Examining path program with hash -517071205, occurence #4 [2024-11-21 11:41:50,304 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 11:41:50,304 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-11-21 11:41:50,304 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:41:50,304 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-21 11:41:50,304 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 11:41:50,304 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 11:41:50,304 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 11:41:50,305 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 11:41:50,305 INFO L85 PathProgramCache]: Analyzing trace with hash -1444371978, now seen corresponding path program 3 times [2024-11-21 11:41:50,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 11:41:50,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29874646] [2024-11-21 11:41:50,305 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 11:41:50,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 11:41:50,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-21 11:41:50,322 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-21 11:41:50,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-21 11:41:50,356 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-21 11:41:50,357 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-21 11:41:50,357 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 3 remaining) [2024-11-21 11:41:50,357 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2024-11-21 11:41:50,357 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2024-11-21 11:41:50,357 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-21 11:41:50,358 INFO L422 BasicCegarLoop]: Path program histogram: [3, 1] [2024-11-21 11:41:50,358 INFO L319 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE,UNKNOWN,UNKNOWN (2/2) [2024-11-21 11:41:50,360 WARN L246 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-21 11:41:50,361 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-11-21 11:41:50,380 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-21 11:41:50,382 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-21 11:41:50,393 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-21 11:41:50,393 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t_funThread1of2ForFork0 ======== [2024-11-21 11:41:50,394 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;@3685d603, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-21 11:41:50,394 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-21 11:41:50,737 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 11:41:50,737 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 11:41:50,738 INFO L139 ounterexampleChecker]: Examining path program with hash -387949587, occurence #1 [2024-11-21 11:41:50,738 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 11:41:50,738 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 11:41:50,739 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 11:41:50,739 INFO L85 PathProgramCache]: Analyzing trace with hash -1679819962, now seen corresponding path program 1 times [2024-11-21 11:41:50,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 11:41:50,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1615360101] [2024-11-21 11:41:50,739 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 11:41:50,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 11:41:50,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 11:41:50,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 11:41:50,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 11:41:50,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1615360101] [2024-11-21 11:41:50,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1615360101] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 11:41:50,772 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 11:41:50,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-21 11:41:50,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379354894] [2024-11-21 11:41:50,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 11:41:50,791 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-21 11:41:50,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 11:41:50,792 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-21 11:41:50,792 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-21 11:41:50,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:41:50,792 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 11:41:50,792 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 11:41:50,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:41:51,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:41:51,043 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-21 11:41:51,043 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 11:41:51,043 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 11:41:51,043 INFO L139 ounterexampleChecker]: Examining path program with hash 854074626, occurence #1 [2024-11-21 11:41:51,043 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 11:41:51,043 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 11:41:51,043 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 11:41:51,044 INFO L85 PathProgramCache]: Analyzing trace with hash -922223527, now seen corresponding path program 1 times [2024-11-21 11:41:51,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 11:41:51,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036033076] [2024-11-21 11:41:51,044 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 11:41:51,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 11:41:51,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 11:41:51,092 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 11:41:51,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 11:41:51,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1036033076] [2024-11-21 11:41:51,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1036033076] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 11:41:51,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1185556074] [2024-11-21 11:41:51,093 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 11:41:51,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 11:41:51,093 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 11:41:51,095 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 11:41:51,096 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-21 11:41:51,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 11:41:51,320 INFO L256 TraceCheckSpWp]: Trace formula consists of 515 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-21 11:41:51,322 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 11:41:51,329 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 11:41:51,329 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 11:41:51,340 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 11:41:51,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1185556074] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 11:41:51,341 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 11:41:51,341 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-21 11:41:51,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358703986] [2024-11-21 11:41:51,341 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 11:41:51,342 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-21 11:41:51,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 11:41:51,342 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-21 11:41:51,342 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-21 11:41:51,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:41:51,343 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 11:41:51,343 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 6 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 11:41:51,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:41:51,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:41:51,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:41:51,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:41:51,410 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-11-21 11:41:51,597 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,18 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 11:41:51,598 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 11:41:51,598 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 11:41:51,598 INFO L139 ounterexampleChecker]: Examining path program with hash 854074626, occurence #2 [2024-11-21 11:41:51,598 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 11:41:51,598 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2024-11-21 11:41:51,598 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:41:51,598 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2024-11-21 11:41:51,598 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 11:41:51,598 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2024-11-21 11:41:51,598 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 11:41:51,598 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-11-21 11:41:51,598 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:41:51,598 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 38 [2024-11-21 11:41:51,599 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:41:51,599 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2024-11-21 11:41:51,599 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:41:51,599 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2024-11-21 11:41:51,599 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:41:51,599 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2024-11-21 11:41:51,599 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:41:51,599 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 56 [2024-11-21 11:41:51,599 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:41:51,599 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2024-11-21 11:41:51,599 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:41:51,599 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2024-11-21 11:41:51,599 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:41:51,599 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2024-11-21 11:41:51,599 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:41:51,599 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2024-11-21 11:41:51,599 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:41:51,599 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2024-11-21 11:41:51,599 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:41:51,599 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 11:41:51,599 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 11:41:51,599 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 11:41:51,599 INFO L85 PathProgramCache]: Analyzing trace with hash -1162890306, now seen corresponding path program 2 times [2024-11-21 11:41:51,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 11:41:51,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [33261695] [2024-11-21 11:41:51,599 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 11:41:51,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 11:41:51,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 11:41:51,731 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 11:41:51,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 11:41:51,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [33261695] [2024-11-21 11:41:51,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [33261695] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 11:41:51,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1529972474] [2024-11-21 11:41:51,732 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-21 11:41:51,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 11:41:51,732 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 11:41:51,736 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 11:41:51,740 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-21 11:41:52,003 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-21 11:41:52,004 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 11:41:52,005 INFO L256 TraceCheckSpWp]: Trace formula consists of 508 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-21 11:41:52,007 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 11:41:52,481 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-21 11:41:52,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:41:52,521 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 [2024-11-21 11:41:52,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:41:52,541 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 [2024-11-21 11:41:52,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:41:52,595 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 21 treesize of output 20 [2024-11-21 11:41:52,690 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-21 11:41:52,690 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-21 11:41:52,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1529972474] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 11:41:52,690 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-21 11:41:52,690 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [6] total 17 [2024-11-21 11:41:52,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381535111] [2024-11-21 11:41:52,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 11:41:52,691 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-21 11:41:52,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 11:41:52,691 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-21 11:41:52,691 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=253, Unknown=0, NotChecked=0, Total=306 [2024-11-21 11:41:52,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:41:52,691 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 11:41:52,691 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.461538461538462) internal successors, (84), 12 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 11:41:52,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:41:52,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:41:52,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:41:53,149 WARN L331 ript$VariableManager]: TermVariable v_subst_2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 11:41:53,204 WARN L331 ript$VariableManager]: TermVariable v_subst_2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 11:41:53,226 WARN L331 ript$VariableManager]: TermVariable v_subst_2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 11:41:53,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:41:53,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:41:53,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:41:53,584 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-11-21 11:41:53,764 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,19 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 11:41:53,764 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 11:41:53,764 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 11:41:53,765 INFO L139 ounterexampleChecker]: Examining path program with hash 1604271487, occurence #1 [2024-11-21 11:41:53,765 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 11:41:53,765 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 11:41:53,765 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 11:41:53,765 INFO L85 PathProgramCache]: Analyzing trace with hash 1432227109, now seen corresponding path program 3 times [2024-11-21 11:41:53,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 11:41:53,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718023358] [2024-11-21 11:41:53,765 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 11:41:53,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 11:41:53,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 11:41:53,947 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-21 11:41:53,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 11:41:53,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [718023358] [2024-11-21 11:41:53,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [718023358] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 11:41:53,947 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 11:41:53,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-21 11:41:53,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069037138] [2024-11-21 11:41:53,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 11:41:53,948 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-21 11:41:53,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 11:41:53,948 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-21 11:41:53,948 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-21 11:41:53,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:41:53,949 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 11:41:53,949 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 11:41:53,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:41:53,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:41:53,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:41:53,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:41:54,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:41:54,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:41:54,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:41:54,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:41:54,072 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-21 11:41:54,072 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 11:41:54,072 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 11:41:54,072 INFO L139 ounterexampleChecker]: Examining path program with hash -1331418294, occurence #1 [2024-11-21 11:41:54,072 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 11:41:54,072 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 11:41:54,073 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 11:41:54,073 INFO L85 PathProgramCache]: Analyzing trace with hash -1210006435, now seen corresponding path program 4 times [2024-11-21 11:41:54,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 11:41:54,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144547372] [2024-11-21 11:41:54,073 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 11:41:54,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 11:41:54,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 11:41:54,247 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-21 11:41:54,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 11:41:54,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144547372] [2024-11-21 11:41:54,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [144547372] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 11:41:54,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1345369592] [2024-11-21 11:41:54,247 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-21 11:41:54,247 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 11:41:54,247 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 11:41:54,249 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 11:41:54,250 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-21 11:41:54,534 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-21 11:41:54,534 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 11:41:54,537 INFO L256 TraceCheckSpWp]: Trace formula consists of 882 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-21 11:41:54,540 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 11:41:54,547 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-11-21 11:41:54,570 INFO L349 Elim1Store]: treesize reduction 29, result has 39.6 percent of original size [2024-11-21 11:41:54,570 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 32 treesize of output 34 [2024-11-21 11:41:54,696 INFO L349 Elim1Store]: treesize reduction 3, result has 96.2 percent of original size [2024-11-21 11:41:54,697 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 99 [2024-11-21 11:41:54,748 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-21 11:41:54,787 INFO L349 Elim1Store]: treesize reduction 29, result has 19.4 percent of original size [2024-11-21 11:41:54,788 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 20 [2024-11-21 11:41:54,953 INFO L349 Elim1Store]: treesize reduction 64, result has 56.2 percent of original size [2024-11-21 11:41:54,955 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 113 [2024-11-21 11:41:58,311 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-21 11:41:58,311 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-21 11:41:58,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1345369592] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 11:41:58,311 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-21 11:41:58,311 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [6] total 13 [2024-11-21 11:41:58,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780032787] [2024-11-21 11:41:58,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 11:41:58,312 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-21 11:41:58,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 11:41:58,312 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-21 11:41:58,312 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=120, Unknown=1, NotChecked=0, Total=156 [2024-11-21 11:41:58,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:41:58,312 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 11:41:58,312 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.125) internal successors, (129), 8 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 11:41:58,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:41:58,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:41:58,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:41:58,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:41:58,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:42:00,512 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-21 11:42:04,645 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-21 11:42:06,652 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-21 11:42:08,679 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-21 11:42:10,692 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-21 11:42:12,711 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-21 11:42:17,059 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-21 11:42:19,068 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-21 11:42:21,078 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-21 11:42:23,118 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-21 11:42:25,125 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-21 11:42:27,271 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-21 11:42:29,276 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-21 11:42:29,303 WARN L331 ript$VariableManager]: TermVariable v_subst_12 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 11:42:29,304 WARN L331 ript$VariableManager]: TermVariable v_subst_11 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 11:42:29,304 WARN L331 ript$VariableManager]: TermVariable v_subst_10 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 11:42:29,304 WARN L331 ript$VariableManager]: TermVariable v_subst_6 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 11:42:29,304 WARN L331 ript$VariableManager]: TermVariable v_subst_5 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 11:42:29,304 WARN L331 ript$VariableManager]: TermVariable v_subst_4 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 11:42:29,304 WARN L331 ript$VariableManager]: TermVariable v_subst_3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 11:42:29,304 WARN L331 ript$VariableManager]: TermVariable v_subst_9 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 11:42:29,304 WARN L331 ript$VariableManager]: TermVariable v_subst_8 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 11:42:29,304 WARN L331 ript$VariableManager]: TermVariable v_subst_7 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 11:42:31,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:42:31,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:42:31,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:42:31,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:42:31,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-21 11:42:31,491 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-11-21 11:42:31,680 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-11-21 11:42:31,681 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 11:42:31,681 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 11:42:31,681 INFO L139 ounterexampleChecker]: Examining path program with hash -466659918, occurence #1 [2024-11-21 11:42:31,681 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 11:42:31,681 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 11:42:31,681 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 11:42:31,682 INFO L85 PathProgramCache]: Analyzing trace with hash 1969598630, now seen corresponding path program 5 times [2024-11-21 11:42:31,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 11:42:31,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728363352] [2024-11-21 11:42:31,682 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 11:42:31,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 11:42:31,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 11:42:31,864 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-21 11:42:31,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 11:42:31,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728363352] [2024-11-21 11:42:31,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1728363352] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 11:42:31,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [690953165] [2024-11-21 11:42:31,864 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-21 11:42:31,864 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 11:42:31,864 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 11:42:31,866 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 11:42:31,868 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-21 11:42:43,615 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2024-11-21 11:42:43,616 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 11:42:43,625 INFO L256 TraceCheckSpWp]: Trace formula consists of 1230 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-21 11:42:43,628 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 11:42:43,638 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-21 11:42:43,638 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 11:42:43,676 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-21 11:42:43,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [690953165] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 11:42:43,677 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 11:42:43,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2024-11-21 11:42:43,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224397577] [2024-11-21 11:42:43,677 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 11:42:43,677 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-21 11:42:43,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 11:42:43,678 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-21 11:42:43,678 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2024-11-21 11:42:43,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:42:43,678 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 11:42:43,678 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.076923076923077) internal successors, (66), 12 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 11:42:43,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:42:43,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:42:43,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:42:43,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:42:43,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-21 11:42:43,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:42:43,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:42:43,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:42:43,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:42:43,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:42:43,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-21 11:42:43,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:42:43,777 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-11-21 11:42:43,957 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,21 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 11:42:43,958 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 11:42:43,958 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 11:42:43,958 INFO L139 ounterexampleChecker]: Examining path program with hash -466659918, occurence #2 [2024-11-21 11:42:43,958 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 11:42:43,958 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-11-21 11:42:43,959 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:42:43,959 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-21 11:42:43,959 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 11:42:43,959 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2024-11-21 11:42:43,959 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 11:42:43,959 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 43 [2024-11-21 11:42:43,959 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:42:43,959 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 44 [2024-11-21 11:42:43,959 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:42:43,959 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 45 [2024-11-21 11:42:43,959 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:42:43,959 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 60 [2024-11-21 11:42:43,959 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:42:43,959 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 61 [2024-11-21 11:42:43,959 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:42:43,959 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 62 [2024-11-21 11:42:43,959 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:42:43,959 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2024-11-21 11:42:43,959 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:42:43,960 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 78 [2024-11-21 11:42:43,960 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:42:43,960 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 79 [2024-11-21 11:42:43,960 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:42:43,960 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 80 [2024-11-21 11:42:43,960 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:42:43,960 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 81 [2024-11-21 11:42:43,995 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 312 treesize of output 288 [2024-11-21 11:42:44,021 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 11:42:44,021 INFO L85 PathProgramCache]: Analyzing trace with hash 1102719862, now seen corresponding path program 1 times [2024-11-21 11:42:44,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 11:42:44,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346836820] [2024-11-21 11:42:44,022 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 11:42:44,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 11:42:44,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 11:42:44,389 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-21 11:42:44,389 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 11:42:44,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346836820] [2024-11-21 11:42:44,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1346836820] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 11:42:44,389 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 11:42:44,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-21 11:42:44,391 INFO L172 ounterexampleChecker]: Successfully proved commutativity at non-minimality point 81. Constructing proof automaton... [2024-11-21 11:42:44,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 11:42:44,391 INFO L309 artialOrderCegarLoop]: Commutativity proof succeeded, skipping feasibility check. [2024-11-21 11:42:44,392 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-21 11:42:44,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SMTINTERPOL [2024-11-21 11:42:44,392 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-21 11:42:44,392 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2024-11-21 11:42:44,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:42:44,392 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 11:42:44,392 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 7 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 11:42:44,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:42:44,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:42:44,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:42:44,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:42:44,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-21 11:42:44,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:42:44,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:42:44,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:42:44,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:42:44,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:42:44,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:42:44,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-21 11:42:44,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:42:44,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-21 11:42:44,653 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-21 11:42:44,653 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 11:42:44,653 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 11:42:44,653 INFO L139 ounterexampleChecker]: Examining path program with hash -2058432422, occurence #1 [2024-11-21 11:42:44,653 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 11:42:44,653 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 11:42:44,654 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 11:42:44,654 INFO L85 PathProgramCache]: Analyzing trace with hash 1600580082, now seen corresponding path program 6 times [2024-11-21 11:42:44,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 11:42:44,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448590114] [2024-11-21 11:42:44,654 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 11:42:44,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 11:42:44,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 11:42:45,762 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 49 proven. 37 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-21 11:42:45,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 11:42:45,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448590114] [2024-11-21 11:42:45,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1448590114] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 11:42:45,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1769448851] [2024-11-21 11:42:45,763 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-21 11:42:45,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 11:42:45,764 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 11:42:45,765 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 11:42:45,766 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-21 11:43:42,914 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2024-11-21 11:43:42,914 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 11:43:42,935 INFO L256 TraceCheckSpWp]: Trace formula consists of 1230 conjuncts, 77 conjuncts are in the unsatisfiable core [2024-11-21 11:43:42,941 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 11:43:44,562 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-21 11:43:44,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:43:44,648 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 [2024-11-21 11:43:44,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:43:44,668 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 [2024-11-21 11:43:44,734 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 19 treesize of output 18 [2024-11-21 11:43:44,826 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 11 proven. 86 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-21 11:43:44,826 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 11:43:44,946 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_5123 (Array Int Int))) (not (= (select (select (let ((.cse0 (store |c_#pthreadsMutex| |c_~#__global_lock~0.base| v_ArrVal_5123))) (store .cse0 |c_t_funThread2of2ForFork0_cache_entry_addref_~entry#1.base| (store (select .cse0 |c_t_funThread2of2ForFork0_cache_entry_addref_~entry#1.base|) (+ |c_t_funThread2of2ForFork0_cache_entry_addref_~entry#1.offset| 4) 0))) |c_~#cache~0.base|) (+ 32 (* |c_t_funThread2of2ForFork0_~i~0#1| 28) |c_~#cache~0.offset|)) 0))) is different from false [2024-11-21 11:43:44,973 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-21 11:43:44,974 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 49 treesize of output 40 [2024-11-21 11:43:44,989 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-21 11:43:44,989 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 393 treesize of output 399 [2024-11-21 11:43:44,998 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 206 treesize of output 178 [2024-11-21 11:43:45,043 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2024-11-21 11:43:45,077 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-21 11:43:45,077 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 73 treesize of output 68 [2024-11-21 11:43:45,121 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2024-11-21 11:43:45,124 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2024-11-21 11:43:45,132 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-21 11:43:45,132 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 72 treesize of output 67 [2024-11-21 11:43:45,747 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2024-11-21 11:43:45,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1769448851] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-21 11:43:45,747 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-21 11:43:45,747 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [17, 20] total 45 [2024-11-21 11:43:45,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724977147] [2024-11-21 11:43:45,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 11:43:45,748 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-21 11:43:45,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 11:43:45,749 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-21 11:43:45,749 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=196, Invalid=1787, Unknown=1, NotChecked=86, Total=2070 [2024-11-21 11:43:45,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:43:45,749 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 11:43:45,749 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 11.071428571428571) internal successors, (155), 13 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 11:43:45,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:43:45,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:43:45,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:43:45,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:43:45,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-21 11:43:45,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:43:45,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-21 11:43:45,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:43:46,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:43:46,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:43:46,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:43:46,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:43:46,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-21 11:43:46,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:43:46,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-21 11:43:46,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-21 11:43:46,465 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-11-21 11:43:46,641 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-11-21 11:43:46,641 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 11:43:46,641 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 11:43:46,641 INFO L139 ounterexampleChecker]: Examining path program with hash -1336449219, occurence #1 [2024-11-21 11:43:46,641 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 11:43:46,642 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 11:43:46,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 11:43:46,643 INFO L85 PathProgramCache]: Analyzing trace with hash -1187217351, now seen corresponding path program 7 times [2024-11-21 11:43:46,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 11:43:46,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410485027] [2024-11-21 11:43:46,643 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 11:43:46,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 11:43:46,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 11:43:47,525 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 110 proven. 67 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2024-11-21 11:43:47,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 11:43:47,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1410485027] [2024-11-21 11:43:47,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1410485027] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 11:43:47,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1308413656] [2024-11-21 11:43:47,525 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-21 11:43:47,525 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 11:43:47,525 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 11:43:47,527 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 11:43:47,528 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-21 11:43:47,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 11:43:47,874 INFO L256 TraceCheckSpWp]: Trace formula consists of 1063 conjuncts, 61 conjuncts are in the unsatisfiable core [2024-11-21 11:43:47,878 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 11:43:48,723 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-21 11:43:48,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:43:48,793 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 [2024-11-21 11:43:48,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:43:48,810 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 [2024-11-21 11:43:48,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:43:48,842 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 [2024-11-21 11:43:48,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:43:48,860 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 [2024-11-21 11:43:48,894 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 19 treesize of output 18 [2024-11-21 11:43:48,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:43:48,948 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 [2024-11-21 11:43:48,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:43:48,964 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 [2024-11-21 11:43:49,014 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 77 proven. 106 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2024-11-21 11:43:49,014 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 11:43:49,068 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_5516 (Array Int Int))) (not (= (select (select (store |c_#pthreadsMutex| |c_~#__global_lock~0.base| v_ArrVal_5516) |c_~#cache~0.base|) (+ (* |c_t_funThread2of2ForFork0_~i~0#1| 28) |c_~#cache~0.offset| 4)) 0))) is different from false [2024-11-21 11:43:49,100 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_5516 (Array Int Int))) (not (= (select (select (store (store |c_#pthreadsMutex| |c_t_funThread2of2ForFork0_cache_entry_addref_~entry#1.base| (store (select |c_#pthreadsMutex| |c_t_funThread2of2ForFork0_cache_entry_addref_~entry#1.base|) (+ |c_t_funThread2of2ForFork0_cache_entry_addref_~entry#1.offset| 4) 0)) |c_~#__global_lock~0.base| v_ArrVal_5516) |c_~#cache~0.base|) (+ 32 (* |c_t_funThread2of2ForFork0_~i~0#1| 28) |c_~#cache~0.offset|)) 0))) is different from false [2024-11-21 11:43:49,221 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-21 11:43:49,221 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 49 treesize of output 40 [2024-11-21 11:43:49,237 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-21 11:43:49,238 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 239 treesize of output 253 [2024-11-21 11:43:49,241 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 119 treesize of output 112 [2024-11-21 11:43:49,244 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 89 [2024-11-21 11:43:49,279 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2024-11-21 11:43:49,291 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-21 11:43:49,291 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 72 treesize of output 67 [2024-11-21 11:43:49,362 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2024-11-21 11:43:49,372 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2024-11-21 11:43:49,790 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 90 proven. 38 refuted. 0 times theorem prover too weak. 112 trivial. 16 not checked. [2024-11-21 11:43:49,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1308413656] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 11:43:49,790 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 11:43:49,790 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 16, 14] total 42 [2024-11-21 11:43:49,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385920855] [2024-11-21 11:43:49,791 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 11:43:49,791 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2024-11-21 11:43:49,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 11:43:49,792 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2024-11-21 11:43:49,792 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=189, Invalid=1454, Unknown=5, NotChecked=158, Total=1806 [2024-11-21 11:43:49,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:43:49,792 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 11:43:49,793 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 8.906976744186046) internal successors, (383), 42 states have internal predecessors, (383), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 11:43:49,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:43:49,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:43:49,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:43:49,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:43:49,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-21 11:43:49,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:43:49,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-21 11:43:49,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-21 11:43:49,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:43:52,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:43:52,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:43:52,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:43:52,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:43:52,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-21 11:43:52,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:43:52,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-21 11:43:52,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-21 11:43:52,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-11-21 11:43:52,229 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-11-21 11:43:52,414 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-11-21 11:43:52,415 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 11:43:52,415 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 11:43:52,415 INFO L139 ounterexampleChecker]: Examining path program with hash 794248028, occurence #1 [2024-11-21 11:43:52,415 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 11:43:52,415 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 11:43:52,415 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 11:43:52,415 INFO L85 PathProgramCache]: Analyzing trace with hash 2057438561, now seen corresponding path program 1 times [2024-11-21 11:43:52,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 11:43:52,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [709861571] [2024-11-21 11:43:52,415 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 11:43:52,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 11:43:52,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 11:43:52,625 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 0 proven. 237 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2024-11-21 11:43:52,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 11:43:52,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [709861571] [2024-11-21 11:43:52,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [709861571] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 11:43:52,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1605580802] [2024-11-21 11:43:52,625 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 11:43:52,625 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 11:43:52,625 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 11:43:52,627 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 11:43:52,628 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-21 11:43:53,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 11:43:53,037 INFO L256 TraceCheckSpWp]: Trace formula consists of 1142 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-21 11:43:53,041 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 11:43:53,185 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 0 proven. 237 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2024-11-21 11:43:53,185 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 11:43:53,358 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 0 proven. 237 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2024-11-21 11:43:53,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1605580802] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 11:43:53,358 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 11:43:53,358 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2024-11-21 11:43:53,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701172559] [2024-11-21 11:43:53,359 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 11:43:53,359 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-21 11:43:53,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 11:43:53,360 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-21 11:43:53,360 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2024-11-21 11:43:53,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:43:53,360 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 11:43:53,360 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 32.30769230769231) internal successors, (420), 13 states have internal predecessors, (420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 11:43:53,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:43:53,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:43:53,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:43:53,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:43:53,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-21 11:43:53,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:43:53,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-21 11:43:53,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-21 11:43:53,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-11-21 11:43:53,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:43:53,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:43:53,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:43:53,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:43:53,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:43:53,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-21 11:43:53,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:43:53,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-21 11:43:53,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-21 11:43:53,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-11-21 11:43:53,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:43:53,641 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2024-11-21 11:43:53,827 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-11-21 11:43:53,828 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 11:43:53,828 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 11:43:53,828 INFO L139 ounterexampleChecker]: Examining path program with hash 794248028, occurence #2 [2024-11-21 11:43:53,828 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 11:43:53,828 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-11-21 11:43:53,828 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:43:53,828 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-21 11:43:53,828 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 11:43:53,828 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2024-11-21 11:43:53,829 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 11:43:53,829 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-11-21 11:43:53,829 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:43:53,829 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 38 [2024-11-21 11:43:53,829 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:43:53,829 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2024-11-21 11:43:53,829 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:43:53,829 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2024-11-21 11:43:53,829 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:43:53,829 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 41 [2024-11-21 11:43:53,866 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 646 treesize of output 598 [2024-11-21 11:43:53,891 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 11:43:53,891 INFO L85 PathProgramCache]: Analyzing trace with hash -619683445, now seen corresponding path program 1 times [2024-11-21 11:43:53,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 11:43:53,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466325964] [2024-11-21 11:43:53,891 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 11:43:53,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 11:43:53,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-21 11:43:53,906 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-11-21 11:43:53,906 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-11-21 11:43:53,906 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 63 [2024-11-21 11:43:53,906 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:43:53,906 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 64 [2024-11-21 11:43:53,906 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:43:53,907 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 65 [2024-11-21 11:43:53,907 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:43:53,907 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 78 [2024-11-21 11:43:53,907 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:43:53,907 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 79 [2024-11-21 11:43:53,907 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:43:53,907 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 80 [2024-11-21 11:43:53,907 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:43:53,907 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 81 is hopeless, skipping. [2024-11-21 11:43:53,907 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 103 [2024-11-21 11:43:53,907 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:43:53,907 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 104 [2024-11-21 11:43:53,907 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:43:53,907 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 105 [2024-11-21 11:43:53,907 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:43:53,907 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 118 [2024-11-21 11:43:53,907 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:43:53,907 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 119 [2024-11-21 11:43:53,907 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:43:53,907 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 120 [2024-11-21 11:43:53,907 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:43:53,907 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 121 is hopeless, skipping. [2024-11-21 11:43:53,907 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 143 [2024-11-21 11:43:53,907 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:43:53,907 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 144 [2024-11-21 11:43:53,907 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:43:53,907 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 145 [2024-11-21 11:43:53,907 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:43:53,907 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 158 [2024-11-21 11:43:53,907 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:43:53,907 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 159 [2024-11-21 11:43:53,907 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:43:53,907 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 160 [2024-11-21 11:43:53,907 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:43:53,907 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 161 is hopeless, skipping. [2024-11-21 11:43:53,908 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 183 [2024-11-21 11:43:53,908 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:43:53,908 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 184 [2024-11-21 11:43:53,908 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:43:53,908 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 185 [2024-11-21 11:43:53,908 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:43:53,908 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 198 [2024-11-21 11:43:53,908 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:43:53,908 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 199 [2024-11-21 11:43:53,908 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:43:53,908 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 200 [2024-11-21 11:43:53,908 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:43:53,908 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 201 is hopeless, skipping. [2024-11-21 11:43:53,908 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 223 [2024-11-21 11:43:53,908 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:43:53,908 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 224 [2024-11-21 11:43:53,908 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:43:53,908 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 225 [2024-11-21 11:43:53,908 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:43:53,908 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 238 [2024-11-21 11:43:53,908 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:43:53,908 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 239 [2024-11-21 11:43:53,908 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:43:53,908 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 240 [2024-11-21 11:43:53,908 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:43:53,908 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 241 is hopeless, skipping. [2024-11-21 11:43:53,908 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 263 [2024-11-21 11:43:53,908 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:43:53,908 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 264 [2024-11-21 11:43:53,908 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:43:53,908 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 265 [2024-11-21 11:43:53,908 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:43:53,908 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 278 [2024-11-21 11:43:53,908 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:43:53,908 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 279 [2024-11-21 11:43:53,908 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:43:53,908 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 280 [2024-11-21 11:43:53,908 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:43:53,908 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 281 is hopeless, skipping. [2024-11-21 11:43:53,908 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 303 [2024-11-21 11:43:53,908 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:43:53,909 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 304 [2024-11-21 11:43:53,909 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:43:53,909 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 305 [2024-11-21 11:43:53,909 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:43:53,910 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 318 [2024-11-21 11:43:53,910 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:43:53,910 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 319 [2024-11-21 11:43:53,910 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:43:53,910 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 320 [2024-11-21 11:43:53,910 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:43:53,910 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 321 is hopeless, skipping. [2024-11-21 11:43:53,910 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 343 [2024-11-21 11:43:53,910 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:43:53,910 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 344 [2024-11-21 11:43:53,910 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:43:53,910 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 345 [2024-11-21 11:43:53,910 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:43:53,910 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 358 [2024-11-21 11:43:53,910 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:43:53,910 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 359 [2024-11-21 11:43:53,910 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:43:53,911 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 360 [2024-11-21 11:43:53,911 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:43:53,911 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 361 is hopeless, skipping. [2024-11-21 11:43:53,911 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 383 [2024-11-21 11:43:53,911 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:43:53,911 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 384 [2024-11-21 11:43:53,911 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:43:53,911 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 385 [2024-11-21 11:43:53,911 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:43:53,911 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 398 [2024-11-21 11:43:53,911 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:43:53,911 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 399 [2024-11-21 11:43:53,911 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:43:53,911 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 400 [2024-11-21 11:43:53,911 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:43:53,911 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 401 is hopeless, skipping. [2024-11-21 11:43:53,911 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 423 [2024-11-21 11:43:53,911 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:43:53,911 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 424 [2024-11-21 11:43:53,911 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:43:53,911 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 425 [2024-11-21 11:43:53,911 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:43:53,912 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 438 [2024-11-21 11:43:53,912 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:43:53,912 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 439 [2024-11-21 11:43:53,912 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:43:53,912 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 440 [2024-11-21 11:43:53,912 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:43:53,912 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 442 [2024-11-21 11:43:53,912 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:43:53,912 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 453 [2024-11-21 11:43:53,912 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:43:53,915 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 458 [2024-11-21 11:43:53,915 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:43:53,915 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 459 [2024-11-21 11:43:53,915 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:43:53,915 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 460 [2024-11-21 11:43:53,915 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:43:53,915 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 462 [2024-11-21 11:43:53,915 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:43:53,915 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 473 [2024-11-21 11:43:53,915 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:43:53,915 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 478 [2024-11-21 11:43:53,915 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:43:53,915 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 479 [2024-11-21 11:43:53,915 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:43:53,915 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 480 [2024-11-21 11:43:53,915 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:43:53,915 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 482 [2024-11-21 11:43:53,915 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:43:53,915 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 11:43:53,915 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 11:43:53,916 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 11:43:53,916 INFO L85 PathProgramCache]: Analyzing trace with hash 291163669, now seen corresponding path program 2 times [2024-11-21 11:43:53,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 11:43:53,916 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511425840] [2024-11-21 11:43:53,916 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 11:43:53,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 11:43:54,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 11:43:54,506 INFO L134 CoverageAnalysis]: Checked inductivity of 1894 backedges. 1749 proven. 90 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-21 11:43:54,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 11:43:54,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [511425840] [2024-11-21 11:43:54,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [511425840] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 11:43:54,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1354927692] [2024-11-21 11:43:54,506 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-21 11:43:54,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 11:43:54,506 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 11:43:54,508 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 11:43:54,509 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-11-21 11:43:55,161 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-21 11:43:55,161 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 11:43:55,169 INFO L256 TraceCheckSpWp]: Trace formula consists of 2006 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-21 11:43:55,174 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 11:43:55,456 INFO L134 CoverageAnalysis]: Checked inductivity of 1894 backedges. 1791 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2024-11-21 11:43:55,456 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-21 11:43:55,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1354927692] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 11:43:55,456 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-21 11:43:55,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [16] total 17 [2024-11-21 11:43:55,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017968853] [2024-11-21 11:43:55,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 11:43:55,457 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-21 11:43:55,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 11:43:55,458 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-21 11:43:55,458 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=149, Unknown=0, NotChecked=0, Total=272 [2024-11-21 11:43:55,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:43:55,458 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 11:43:55,458 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 33.69230769230769) internal successors, (438), 13 states have internal predecessors, (438), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 11:43:55,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:43:55,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:43:55,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:43:55,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:43:55,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-21 11:43:55,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:43:55,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-21 11:43:55,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-21 11:43:55,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-11-21 11:43:55,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:43:55,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:43:57,922 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-21 11:43:58,227 WARN L331 ript$VariableManager]: TermVariable v_subst_12 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 11:43:58,227 WARN L331 ript$VariableManager]: TermVariable v_subst_11 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 11:43:58,227 WARN L331 ript$VariableManager]: TermVariable v_subst_10 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 11:43:58,227 WARN L331 ript$VariableManager]: TermVariable v_subst_6 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 11:43:58,227 WARN L331 ript$VariableManager]: TermVariable v_subst_5 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 11:43:58,227 WARN L331 ript$VariableManager]: TermVariable v_subst_4 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 11:43:58,227 WARN L331 ript$VariableManager]: TermVariable v_subst_3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 11:43:58,227 WARN L331 ript$VariableManager]: TermVariable v_subst_9 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 11:43:58,227 WARN L331 ript$VariableManager]: TermVariable v_subst_8 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 11:43:58,227 WARN L331 ript$VariableManager]: TermVariable v_subst_7 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 11:44:00,247 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-21 11:44:02,252 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-21 11:44:02,276 WARN L331 ript$VariableManager]: TermVariable v_subst_12 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 11:44:02,276 WARN L331 ript$VariableManager]: TermVariable v_subst_11 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 11:44:02,276 WARN L331 ript$VariableManager]: TermVariable v_subst_10 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 11:44:02,276 WARN L331 ript$VariableManager]: TermVariable v_subst_6 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 11:44:02,276 WARN L331 ript$VariableManager]: TermVariable v_subst_5 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 11:44:02,276 WARN L331 ript$VariableManager]: TermVariable v_subst_4 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 11:44:02,276 WARN L331 ript$VariableManager]: TermVariable v_subst_3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 11:44:02,277 WARN L331 ript$VariableManager]: TermVariable v_subst_9 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 11:44:02,277 WARN L331 ript$VariableManager]: TermVariable v_subst_8 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 11:44:02,277 WARN L331 ript$VariableManager]: TermVariable v_subst_7 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 11:44:04,302 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-21 11:44:06,351 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-21 11:44:08,355 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-21 11:44:10,359 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-21 11:44:10,440 WARN L331 ript$VariableManager]: TermVariable v_subst_15 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 11:44:10,440 WARN L331 ript$VariableManager]: TermVariable v_subst_14 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 11:44:10,441 WARN L331 ript$VariableManager]: TermVariable v_subst_13 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 11:44:10,441 WARN L331 ript$VariableManager]: TermVariable |t_funThread1of2ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 11:44:10,441 WARN L331 ript$VariableManager]: TermVariable v_subst_18 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 11:44:10,441 WARN L331 ript$VariableManager]: TermVariable v_subst_17 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 11:44:10,441 WARN L331 ript$VariableManager]: TermVariable v_subst_16 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 11:44:10,441 WARN L331 ript$VariableManager]: TermVariable |t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 11:44:10,441 WARN L331 ript$VariableManager]: TermVariable v_subst_6 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 11:44:10,441 WARN L331 ript$VariableManager]: TermVariable v_subst_5 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 11:44:10,441 WARN L331 ript$VariableManager]: TermVariable v_subst_4 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 11:44:10,441 WARN L331 ript$VariableManager]: TermVariable v_subst_3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 11:44:10,479 WARN L331 ript$VariableManager]: TermVariable v_subst_12 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 11:44:10,479 WARN L331 ript$VariableManager]: TermVariable v_subst_11 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 11:44:10,479 WARN L331 ript$VariableManager]: TermVariable v_subst_10 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 11:44:10,479 WARN L331 ript$VariableManager]: TermVariable v_subst_6 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 11:44:10,479 WARN L331 ript$VariableManager]: TermVariable v_subst_5 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 11:44:10,479 WARN L331 ript$VariableManager]: TermVariable v_subst_4 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 11:44:10,479 WARN L331 ript$VariableManager]: TermVariable v_subst_3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 11:44:10,479 WARN L331 ript$VariableManager]: TermVariable v_subst_9 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 11:44:10,479 WARN L331 ript$VariableManager]: TermVariable v_subst_8 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 11:44:10,479 WARN L331 ript$VariableManager]: TermVariable v_subst_7 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 11:44:12,606 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-21 11:44:14,619 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-21 11:44:16,636 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-21 11:44:18,641 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-21 11:44:20,648 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-21 11:44:20,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:44:20,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:44:20,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:44:20,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:44:20,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-21 11:44:20,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:44:20,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-21 11:44:20,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 11:44:20,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-11-21 11:44:20,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:44:20,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 11:44:20,667 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2024-11-21 11:44:20,854 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,25 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2024-11-21 11:44:20,855 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 11:44:20,855 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 11:44:20,855 INFO L139 ounterexampleChecker]: Examining path program with hash -1615835955, occurence #1 [2024-11-21 11:44:20,855 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 11:44:20,855 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 11:44:20,856 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 11:44:20,856 INFO L85 PathProgramCache]: Analyzing trace with hash -1556630167, now seen corresponding path program 8 times [2024-11-21 11:44:20,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 11:44:20,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881407679] [2024-11-21 11:44:20,856 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 11:44:20,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 11:44:20,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 11:44:35,436 INFO L134 CoverageAnalysis]: Checked inductivity of 1319 backedges. 0 proven. 1264 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-21 11:44:35,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 11:44:35,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1881407679] [2024-11-21 11:44:35,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1881407679] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 11:44:35,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1655561924] [2024-11-21 11:44:35,438 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-21 11:44:35,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 11:44:35,438 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 11:44:35,440 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 11:44:35,441 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-11-21 11:44:36,122 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-21 11:44:36,123 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 11:44:36,132 INFO L256 TraceCheckSpWp]: Trace formula consists of 1611 conjuncts, 278 conjuncts are in the unsatisfiable core [2024-11-21 11:44:36,139 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 11:44:36,269 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-21 11:44:36,270 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 [2024-11-21 11:44:36,330 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 [2024-11-21 11:44:36,508 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 [2024-11-21 11:44:36,731 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 [2024-11-21 11:44:36,861 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 30 [2024-11-21 11:44:36,937 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 30 [2024-11-21 11:44:37,337 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 30 [2024-11-21 11:44:37,444 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 [2024-11-21 11:44:37,624 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 30 [2024-11-21 11:44:37,739 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 30 [2024-11-21 11:44:38,086 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 30 [2024-11-21 11:44:38,195 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 [2024-11-21 11:44:38,375 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 30 [2024-11-21 11:44:38,496 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 30 [2024-11-21 11:44:38,865 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 30 [2024-11-21 11:44:38,948 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 [2024-11-21 11:44:39,148 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 30 [2024-11-21 11:44:39,273 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 30 [2024-11-21 11:44:39,672 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 30 [2024-11-21 11:44:39,753 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 [2024-11-21 11:44:39,955 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 30 [2024-11-21 11:44:40,085 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 30 [2024-11-21 11:44:40,477 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 30 [2024-11-21 11:44:40,611 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 [2024-11-21 11:44:40,846 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 30 [2024-11-21 11:44:40,993 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 30 [2024-11-21 11:44:41,442 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 30 [2024-11-21 11:44:41,523 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 [2024-11-21 11:44:41,755 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 30 [2024-11-21 11:44:41,906 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 30 [2024-11-21 11:44:42,359 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 30 [2024-11-21 11:44:42,443 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 [2024-11-21 11:44:42,691 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 30 [2024-11-21 11:44:42,838 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 30 [2024-11-21 11:44:43,306 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 30 [2024-11-21 11:44:43,394 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 [2024-11-21 11:44:43,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:44:43,660 INFO L349 Elim1Store]: treesize reduction 14, result has 58.8 percent of original size [2024-11-21 11:44:43,660 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 32 treesize of output 42 [2024-11-21 11:44:43,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:44:43,964 INFO L349 Elim1Store]: treesize reduction 14, result has 58.8 percent of original size [2024-11-21 11:44:43,964 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 48 treesize of output 54 [2024-11-21 11:44:44,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:44:44,380 INFO L349 Elim1Store]: treesize reduction 14, result has 58.8 percent of original size [2024-11-21 11:44:44,381 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 32 treesize of output 42 [2024-11-21 11:44:44,574 INFO L134 CoverageAnalysis]: Checked inductivity of 1319 backedges. 0 proven. 1264 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-21 11:44:44,574 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 11:46:06,765 WARN L851 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread2of2ForFork0_cache_entry_addref_~entry#1.offset_64| Int)) (or (= (select (let ((.cse0 (select (store |c_#memory_int| |c_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base| (let ((.cse1 (select |c_#memory_int| |c_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base|))) (store .cse1 |c_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.offset| (select .cse1 |c_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.offset|)))) |c_~#cache~0.base|))) (store .cse0 |v_t_funThread2of2ForFork0_cache_entry_addref_~entry#1.offset_64| (+ (select .cse0 |v_t_funThread2of2ForFork0_cache_entry_addref_~entry#1.offset_64|) 1))) (+ (* |c_t_funThread1of2ForFork0_~i~0#1| 28) 28 |c_~#cache~0.offset|)) 0) (< (+ (* |c_t_funThread2of2ForFork0_~i~0#1| 28) 28 |c_~#cache~0.offset|) |v_t_funThread2of2ForFork0_cache_entry_addref_~entry#1.offset_64|))) is different from false [2024-11-21 11:46:08,819 WARN L851 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread2of2ForFork0_cache_entry_addref_~entry#1.offset_64| Int) (v_ArrVal_7441 Int)) (or (= (select (let ((.cse0 (select (let ((.cse1 (store |c_#memory_int| |c_t_funThread2of2ForFork0_cache_entry_addref_~entry#1.base| (store (select |c_#memory_int| |c_t_funThread2of2ForFork0_cache_entry_addref_~entry#1.base|) |c_t_funThread2of2ForFork0_cache_entry_addref_~entry#1.offset| v_ArrVal_7441)))) (store .cse1 |c_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base| (let ((.cse2 (select .cse1 |c_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base|))) (store .cse2 |c_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.offset| (select .cse2 |c_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.offset|))))) |c_~#cache~0.base|))) (store .cse0 |v_t_funThread2of2ForFork0_cache_entry_addref_~entry#1.offset_64| (+ (select .cse0 |v_t_funThread2of2ForFork0_cache_entry_addref_~entry#1.offset_64|) 1))) (+ (* |c_t_funThread1of2ForFork0_~i~0#1| 28) 28 |c_~#cache~0.offset|)) 0) (< (+ (* |c_t_funThread2of2ForFork0_~i~0#1| 28) 28 |c_~#cache~0.offset|) |v_t_funThread2of2ForFork0_cache_entry_addref_~entry#1.offset_64|))) is different from false [2024-11-21 11:46:10,918 WARN L851 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread2of2ForFork0_cache_entry_addref_~entry#1.offset_64| Int) (|v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.offset_87| Int) (v_ArrVal_7441 Int)) (let ((.cse2 (* |c_t_funThread1of2ForFork0_~i~0#1| 28))) (or (= (select (let ((.cse0 (let ((.cse1 (select (store |c_#memory_int| |c_t_funThread2of2ForFork0_cache_entry_addref_~entry#1.base| (store (select |c_#memory_int| |c_t_funThread2of2ForFork0_cache_entry_addref_~entry#1.base|) |c_t_funThread2of2ForFork0_cache_entry_addref_~entry#1.offset| v_ArrVal_7441)) |c_~#cache~0.base|))) (store .cse1 |v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.offset_87| (select .cse1 |v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.offset_87|))))) (store .cse0 |v_t_funThread2of2ForFork0_cache_entry_addref_~entry#1.offset_64| (+ (select .cse0 |v_t_funThread2of2ForFork0_cache_entry_addref_~entry#1.offset_64|) 1))) (+ .cse2 28 |c_~#cache~0.offset|)) 0) (< (+ .cse2 |c_~#cache~0.offset|) |v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.offset_87|) (< (+ (* |c_t_funThread2of2ForFork0_~i~0#1| 28) 28 |c_~#cache~0.offset|) |v_t_funThread2of2ForFork0_cache_entry_addref_~entry#1.offset_64|)))) is different from false [2024-11-21 11:46:12,953 WARN L851 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread2of2ForFork0_cache_entry_addref_~entry#1.offset_64| Int) (|v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.offset_87| Int) (v_ArrVal_7441 Int)) (let ((.cse0 (* |c_t_funThread1of2ForFork0_~i~0#1| 28))) (or (< (+ .cse0 28 |c_~#cache~0.offset|) |v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.offset_87|) (= (select (let ((.cse1 (let ((.cse2 (select (store |c_#memory_int| |c_t_funThread2of2ForFork0_cache_entry_addref_~entry#1.base| (store (select |c_#memory_int| |c_t_funThread2of2ForFork0_cache_entry_addref_~entry#1.base|) |c_t_funThread2of2ForFork0_cache_entry_addref_~entry#1.offset| v_ArrVal_7441)) |c_~#cache~0.base|))) (store .cse2 |v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.offset_87| (select .cse2 |v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.offset_87|))))) (store .cse1 |v_t_funThread2of2ForFork0_cache_entry_addref_~entry#1.offset_64| (+ (select .cse1 |v_t_funThread2of2ForFork0_cache_entry_addref_~entry#1.offset_64|) 1))) (+ 56 .cse0 |c_~#cache~0.offset|)) 0) (< (+ (* |c_t_funThread2of2ForFork0_~i~0#1| 28) 28 |c_~#cache~0.offset|) |v_t_funThread2of2ForFork0_cache_entry_addref_~entry#1.offset_64|)))) is different from false Killed by 15