./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/goblint-regression/28-race_reach_71-funloop_racing.i --full-output --traceabstraction.commutativity.condition.synthesis NECESSARY_AND_SUFFICIENT --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_71-funloop_racing.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bde6fe221f69c3fccb0f7c90e011f0b13ab5ca582ddcd328a459cbb512a8fd7f --traceabstraction.commutativity.condition.synthesis NECESSARY_AND_SUFFICIENT --- Real Ultimate output --- This is Ultimate 0.3.0-dev-1f73d82-m [2024-11-21 14:58:39,117 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-21 14:58:39,188 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-11-21 14:58:39,209 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-21 14:58:39,209 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-21 14:58:39,236 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-21 14:58:39,238 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-21 14:58:39,239 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-21 14:58:39,239 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-21 14:58:39,239 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-21 14:58:39,240 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-21 14:58:39,240 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-21 14:58:39,241 INFO L153 SettingsManager]: * Use SBE=true [2024-11-21 14:58:39,241 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-21 14:58:39,241 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-21 14:58:39,241 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-21 14:58:39,241 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-21 14:58:39,242 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-21 14:58:39,242 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-21 14:58:39,242 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-21 14:58:39,242 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-21 14:58:39,242 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-21 14:58:39,242 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-21 14:58:39,242 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-21 14:58:39,242 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-21 14:58:39,242 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-21 14:58:39,243 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-21 14:58:39,243 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-21 14:58:39,243 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-21 14:58:39,243 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-21 14:58:39,243 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-21 14:58:39,244 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-21 14:58:39,244 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-21 14:58:39,244 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-21 14:58:39,244 INFO L153 SettingsManager]: * Commutativity condition synthesis=SUFFICIENT [2024-11-21 14:58:39,244 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-21 14:58:39,245 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-21 14:58:39,245 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-11-21 14:58:39,245 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-21 14:58:39,245 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-21 14:58:39,245 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-21 14:58:39,245 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-21 14:58:39,245 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-21 14:58:39,246 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bde6fe221f69c3fccb0f7c90e011f0b13ab5ca582ddcd328a459cbb512a8fd7f Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Commutativity condition synthesis -> NECESSARY_AND_SUFFICIENT [2024-11-21 14:58:39,564 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-21 14:58:39,576 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-21 14:58:39,578 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-21 14:58:39,581 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-21 14:58:39,581 INFO L274 PluginConnector]: CDTParser initialized [2024-11-21 14:58:39,582 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../sv-benchmarks/c/goblint-regression/28-race_reach_71-funloop_racing.i [2024-11-21 14:58:40,927 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/52f6ce4b5/9cac3ae0256b45b3a88efe7dc8f53ec0/FLAGa3939d9bb [2024-11-21 14:58:41,222 INFO L384 CDTParser]: Found 1 translation units. [2024-11-21 14:58:41,223 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/goblint-regression/28-race_reach_71-funloop_racing.i [2024-11-21 14:58:41,242 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/52f6ce4b5/9cac3ae0256b45b3a88efe7dc8f53ec0/FLAGa3939d9bb [2024-11-21 14:58:41,261 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/52f6ce4b5/9cac3ae0256b45b3a88efe7dc8f53ec0 [2024-11-21 14:58:41,264 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-21 14:58:41,265 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-21 14:58:41,267 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-21 14:58:41,268 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-21 14:58:41,272 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-21 14:58:41,273 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 02:58:41" (1/1) ... [2024-11-21 14:58:41,274 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ebe9da2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:58:41, skipping insertion in model container [2024-11-21 14:58:41,274 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 02:58:41" (1/1) ... [2024-11-21 14:58:41,320 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-21 14:58:41,642 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_71-funloop_racing.i[41323,41336] [2024-11-21 14:58:41,677 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-21 14:58:41,718 INFO L200 MainTranslator]: Completed pre-run [2024-11-21 14:58:41,781 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_71-funloop_racing.i[41323,41336] [2024-11-21 14:58:41,799 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-21 14:58:41,865 INFO L204 MainTranslator]: Completed translation [2024-11-21 14:58:41,866 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:58:41 WrapperNode [2024-11-21 14:58:41,867 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-21 14:58:41,869 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-21 14:58:41,869 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-21 14:58:41,869 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-21 14:58:41,875 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:58:41" (1/1) ... [2024-11-21 14:58:41,895 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:58:41" (1/1) ... [2024-11-21 14:58:41,935 INFO L138 Inliner]: procedures = 272, calls = 107, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 318 [2024-11-21 14:58:41,936 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-21 14:58:41,937 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-21 14:58:41,937 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-21 14:58:41,937 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-21 14:58:41,943 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:58:41" (1/1) ... [2024-11-21 14:58:41,943 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:58:41" (1/1) ... [2024-11-21 14:58:41,947 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:58:41" (1/1) ... [2024-11-21 14:58:41,950 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:58:41" (1/1) ... [2024-11-21 14:58:41,969 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:58:41" (1/1) ... [2024-11-21 14:58:41,971 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:58:41" (1/1) ... [2024-11-21 14:58:41,995 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:58:41" (1/1) ... [2024-11-21 14:58:41,997 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:58:41" (1/1) ... [2024-11-21 14:58:41,998 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:58:41" (1/1) ... [2024-11-21 14:58:42,004 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-21 14:58:42,005 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-21 14:58:42,005 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-21 14:58:42,005 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-21 14:58:42,006 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:58:41" (1/1) ... [2024-11-21 14:58:42,014 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-21 14:58:42,027 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 14:58:42,039 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 14:58:42,041 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 14:58:42,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-21 14:58:42,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-21 14:58:42,060 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-21 14:58:42,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-21 14:58:42,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-21 14:58:42,061 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-21 14:58:42,061 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-21 14:58:42,061 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-21 14:58:42,061 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-21 14:58:42,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-21 14:58:42,062 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-21 14:58:42,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-21 14:58:42,063 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 14:58:42,189 INFO L234 CfgBuilder]: Building ICFG [2024-11-21 14:58:42,191 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-21 14:58:42,615 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-21 14:58:42,615 INFO L283 CfgBuilder]: Performing block encoding [2024-11-21 14:58:43,057 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-21 14:58:43,057 INFO L312 CfgBuilder]: Removed 20 assume(true) statements. [2024-11-21 14:58:43,058 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 02:58:43 BoogieIcfgContainer [2024-11-21 14:58:43,058 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-21 14:58:43,061 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-21 14:58:43,061 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-21 14:58:43,065 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-21 14:58:43,066 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 02:58:41" (1/3) ... [2024-11-21 14:58:43,067 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64b866c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 02:58:43, skipping insertion in model container [2024-11-21 14:58:43,067 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:58:41" (2/3) ... [2024-11-21 14:58:43,067 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64b866c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 02:58:43, skipping insertion in model container [2024-11-21 14:58:43,067 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 02:58:43" (3/3) ... [2024-11-21 14:58:43,068 INFO L128 eAbstractionObserver]: Analyzing ICFG 28-race_reach_71-funloop_racing.i [2024-11-21 14:58:43,084 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-21 14:58:43,086 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 28-race_reach_71-funloop_racing.i that has 2 procedures, 94 locations, 1 initial locations, 20 loop locations, and 3 error locations. [2024-11-21 14:58:43,086 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-21 14:58:43,143 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-21 14:58:43,200 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-21 14:58:43,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-21 14:58:43,201 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 14:58:43,203 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 14:58:43,205 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 14:58:43,289 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-21 14:58:43,307 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t_funThread1of1ForFork0 ======== [2024-11-21 14:58:43,316 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;@55f2957f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-21 14:58:43,317 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-21 14:58:43,614 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 14:58:43,615 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 14:58:43,615 INFO L139 ounterexampleChecker]: Examining path program with hash -1332904717, occurence #1 [2024-11-21 14:58:43,616 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 14:58:43,616 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 14:58:43,620 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 14:58:43,620 INFO L85 PathProgramCache]: Analyzing trace with hash -1568876922, now seen corresponding path program 1 times [2024-11-21 14:58:43,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 14:58:43,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861828847] [2024-11-21 14:58:43,630 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 14:58:43,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 14:58:43,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 14:58:43,974 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 14:58:43,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 14:58:43,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861828847] [2024-11-21 14:58:43,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [861828847] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 14:58:43,975 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 14:58:43,975 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-21 14:58:43,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883550210] [2024-11-21 14:58:43,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 14:58:43,984 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-21 14:58:43,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 14:58:44,004 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-21 14:58:44,005 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-21 14:58:44,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 14:58:44,008 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 14:58:44,009 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 14:58:44,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 14:58:44,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 14:58:44,084 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-21 14:58:44,085 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 14:58:44,085 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 14:58:44,085 INFO L139 ounterexampleChecker]: Examining path program with hash -1332904717, occurence #2 [2024-11-21 14:58:44,085 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 14:58:44,085 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2024-11-21 14:58:44,086 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 14:58:44,086 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 14:58:44,086 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 14:58:44,087 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 14:58:44,087 INFO L85 PathProgramCache]: Analyzing trace with hash 934032029, now seen corresponding path program 1 times [2024-11-21 14:58:44,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 14:58:44,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684931492] [2024-11-21 14:58:44,087 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 14:58:44,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 14:58:44,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 14:58:44,269 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 14:58:44,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 14:58:44,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684931492] [2024-11-21 14:58:44,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1684931492] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 14:58:44,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1782521254] [2024-11-21 14:58:44,269 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 14:58:44,269 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 14:58:44,269 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 14:58:44,298 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 14:58:44,301 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 14:58:44,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 14:58:44,446 INFO L256 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-21 14:58:44,450 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 14:58:44,466 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 14:58:44,468 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 14:58:44,489 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 14:58:44,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1782521254] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 14:58:44,490 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 14:58:44,490 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-21 14:58:44,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367905795] [2024-11-21 14:58:44,491 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 14:58:44,491 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-21 14:58:44,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 14:58:44,492 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-21 14:58:44,492 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-21 14:58:44,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 14:58:44,493 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 14:58:44,493 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 14:58:44,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 14:58:44,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 14:58:44,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 14:58:44,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 14:58:44,612 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-21 14:58:44,794 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 14:58:44,795 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 14:58:44,795 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 14:58:44,795 INFO L139 ounterexampleChecker]: Examining path program with hash -1332904717, occurence #3 [2024-11-21 14:58:44,795 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 14:58:44,795 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2024-11-21 14:58:44,795 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 14:58:44,795 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 14:58:44,795 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 14:58:44,796 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 14:58:44,796 INFO L85 PathProgramCache]: Analyzing trace with hash 561947718, now seen corresponding path program 2 times [2024-11-21 14:58:44,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 14:58:44,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564353031] [2024-11-21 14:58:44,796 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 14:58:44,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 14:58:44,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 14:58:44,972 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 14:58:44,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 14:58:44,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564353031] [2024-11-21 14:58:44,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [564353031] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 14:58:44,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2121711627] [2024-11-21 14:58:44,974 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-21 14:58:44,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 14:58:44,974 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 14:58:44,976 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 14:58:44,978 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 14:58:45,100 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-21 14:58:45,100 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 14:58:45,103 INFO L256 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-21 14:58:45,104 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 14:58:45,256 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-21 14:58:45,259 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 14:58:45,305 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 14:58:45,485 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 14:58:45,562 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 14:58:45,563 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-21 14:58:45,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2121711627] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 14:58:45,563 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-21 14:58:45,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 12 [2024-11-21 14:58:45,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818311805] [2024-11-21 14:58:45,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 14:58:45,564 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-21 14:58:45,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 14:58:45,564 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-21 14:58:45,565 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2024-11-21 14:58:45,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 14:58:45,565 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 14:58:45,565 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 14:58:45,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 14:58:45,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 14:58:45,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 14:58:45,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 14:58:45,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 14:58:45,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 14:58:45,813 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 14:58:45,996 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 14:58:45,997 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 14:58:45,997 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 14:58:45,997 INFO L139 ounterexampleChecker]: Examining path program with hash -1757080674, occurence #1 [2024-11-21 14:58:45,997 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 14:58:45,997 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 14:58:45,997 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 14:58:45,997 INFO L85 PathProgramCache]: Analyzing trace with hash 1906437794, now seen corresponding path program 1 times [2024-11-21 14:58:45,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 14:58:45,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390268163] [2024-11-21 14:58:45,998 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 14:58:45,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 14:58:46,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 14:58:46,186 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 14:58:46,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 14:58:46,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390268163] [2024-11-21 14:58:46,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [390268163] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 14:58:46,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1843461355] [2024-11-21 14:58:46,186 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 14:58:46,186 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 14:58:46,187 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 14:58:46,189 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 14:58:46,194 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 14:58:46,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 14:58:46,313 INFO L256 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-21 14:58:46,315 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 14:58:46,331 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 14:58:46,331 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 14:58:46,391 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 14:58:46,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1843461355] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 14:58:46,391 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 14:58:46,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2024-11-21 14:58:46,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264627700] [2024-11-21 14:58:46,392 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 14:58:46,392 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-21 14:58:46,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 14:58:46,393 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-21 14:58:46,393 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2024-11-21 14:58:46,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 14:58:46,393 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 14:58:46,393 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 14:58:46,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 14:58:46,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 14:58:46,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 14:58:46,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 14:58:46,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 14:58:46,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 14:58:46,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 14:58:46,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 14:58:46,487 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 14:58:46,671 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 14:58:46,671 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 14:58:46,671 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 14:58:46,671 INFO L139 ounterexampleChecker]: Examining path program with hash -1757080674, occurence #2 [2024-11-21 14:58:46,671 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 14:58:46,671 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-21 14:58:46,671 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 14:58:46,672 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-11-21 14:58:46,672 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:58:46,672 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-11-21 14:58:46,672 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:58:46,672 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-11-21 14:58:46,672 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:58:46,672 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-11-21 14:58:46,672 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:58:46,672 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-11-21 14:58:46,672 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:58:46,672 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 14:58:46,672 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 14:58:46,673 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 14:58:46,674 INFO L85 PathProgramCache]: Analyzing trace with hash -1360859326, now seen corresponding path program 2 times [2024-11-21 14:58:46,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 14:58:46,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165922659] [2024-11-21 14:58:46,674 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 14:58:46,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 14:58:46,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 14:58:47,892 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 14:58:47,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 14:58:47,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165922659] [2024-11-21 14:58:47,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1165922659] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 14:58:47,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1488415181] [2024-11-21 14:58:47,893 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-21 14:58:47,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 14:58:47,893 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 14:58:47,895 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 14:58:47,897 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 14:58:48,047 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-21 14:58:48,048 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 14:58:48,051 INFO L256 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-21 14:58:48,055 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 14:58:48,180 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-21 14:58:48,181 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 14:58:48,217 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 14:58:48,386 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 14:58:48,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 14:58:48,495 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 14:58:48,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 14:58:48,560 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 14:58:48,726 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 14:58:48,726 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 14:58:48,920 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 14:58:49,021 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 14:58:49,217 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 14:58:49,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1488415181] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 14:58:49,218 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 14:58:49,218 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 11] total 28 [2024-11-21 14:58:49,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309704815] [2024-11-21 14:58:49,218 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 14:58:49,218 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-11-21 14:58:49,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 14:58:49,219 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-11-21 14:58:49,219 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=579, Unknown=19, NotChecked=102, Total=812 [2024-11-21 14:58:49,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 14:58:49,220 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 14:58:49,220 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 14:58:49,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 14:58:49,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 14:58:49,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 14:58:49,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 14:58:49,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 14:58:49,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 14:58:49,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 14:58:49,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 14:58:49,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 14:58:49,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 14:58:49,625 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 14:58:49,807 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 14:58:49,807 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 14:58:49,807 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 14:58:49,808 INFO L139 ounterexampleChecker]: Examining path program with hash -1757080674, occurence #3 [2024-11-21 14:58:49,808 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 14:58:49,808 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-21 14:58:49,808 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 14:58:49,808 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-11-21 14:58:49,808 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:58:49,808 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-11-21 14:58:49,808 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:58:49,808 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-11-21 14:58:49,808 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:58:49,808 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-11-21 14:58:49,808 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:58:49,808 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-11-21 14:58:49,808 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:58:49,808 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2024-11-21 14:58:49,808 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:58:49,809 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2024-11-21 14:58:49,809 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:58:49,809 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2024-11-21 14:58:49,809 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:58:49,809 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2024-11-21 14:58:49,809 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:58:49,809 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2024-11-21 14:58:49,809 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:58:49,809 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 14:58:49,809 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 14:58:49,809 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 14:58:49,809 INFO L85 PathProgramCache]: Analyzing trace with hash 42918814, now seen corresponding path program 3 times [2024-11-21 14:58:49,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 14:58:49,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067264823] [2024-11-21 14:58:49,810 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 14:58:49,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 14:58:49,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 14:58:50,801 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 14:58:50,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 14:58:50,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067264823] [2024-11-21 14:58:50,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1067264823] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 14:58:50,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1558891365] [2024-11-21 14:58:50,802 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-21 14:58:50,802 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 14:58:50,802 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 14:58:50,804 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 14:58:50,805 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 14:58:50,961 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-21 14:58:50,961 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 14:58:50,964 INFO L256 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 54 conjuncts are in the unsatisfiable core [2024-11-21 14:58:50,968 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 14:58:51,073 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-21 14:58:51,073 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 14:58:51,106 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 14:58:51,247 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 14:58:51,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 14:58:51,351 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 14:58:51,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 14:58:51,414 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 14:58:51,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 14:58:51,608 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 14:58:51,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 14:58:51,659 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 14:58:51,782 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 14:58:51,782 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 14:58:52,074 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 14:58:52,100 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 14:58:52,106 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 14:58:52,112 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_~#cache~0.offset|)) 0)) is different from false [2024-11-21 14:58:52,208 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 14:58:52,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1558891365] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 14:58:52,208 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 14:58:52,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 13] total 33 [2024-11-21 14:58:52,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542302689] [2024-11-21 14:58:52,208 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 14:58:52,209 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-11-21 14:58:52,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 14:58:52,210 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-11-21 14:58:52,210 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=758, Unknown=4, NotChecked=236, Total=1122 [2024-11-21 14:58:52,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 14:58:52,210 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 14:58:52,211 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 14:58:52,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 14:58:52,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 14:58:52,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 14:58:52,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 14:58:52,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 14:58:52,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 14:58:52,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 14:58:52,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 14:58:52,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 14:58:52,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 14:58:52,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 14:58:52,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 14:58:52,701 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 14:58:52,883 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 14:58:52,883 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 14:58:52,883 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 14:58:52,884 INFO L139 ounterexampleChecker]: Examining path program with hash -1757080674, occurence #4 [2024-11-21 14:58:52,884 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 14:58:52,884 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-21 14:58:52,884 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 14:58:52,884 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-11-21 14:58:52,884 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:58:52,884 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-11-21 14:58:52,884 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:58:52,884 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-11-21 14:58:52,884 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:58:52,884 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-11-21 14:58:52,884 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:58:52,884 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-11-21 14:58:52,884 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:58:52,884 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2024-11-21 14:58:52,885 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:58:52,885 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2024-11-21 14:58:52,885 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:58:52,885 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2024-11-21 14:58:52,885 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:58:52,885 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2024-11-21 14:58:52,885 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:58:52,885 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2024-11-21 14:58:52,885 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:58:52,885 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2024-11-21 14:58:52,885 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:58:52,885 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2024-11-21 14:58:52,885 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:58:52,885 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2024-11-21 14:58:52,885 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:58:52,885 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2024-11-21 14:58:52,885 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:58:52,885 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2024-11-21 14:58:52,885 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:58:52,885 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 14:58:52,885 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 14:58:52,886 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 14:58:52,886 INFO L85 PathProgramCache]: Analyzing trace with hash 598807034, now seen corresponding path program 4 times [2024-11-21 14:58:52,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 14:58:52,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001051359] [2024-11-21 14:58:52,886 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 14:58:52,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 14:58:52,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 14:58:54,119 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 14:58:54,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 14:58:54,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2001051359] [2024-11-21 14:58:54,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2001051359] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 14:58:54,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [214451465] [2024-11-21 14:58:54,120 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-21 14:58:54,120 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 14:58:54,120 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 14:58:54,122 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 14:58:54,124 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 14:58:56,260 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-21 14:58:56,260 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 14:58:56,264 INFO L256 TraceCheckSpWp]: Trace formula consists of 538 conjuncts, 68 conjuncts are in the unsatisfiable core [2024-11-21 14:58:56,271 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 14:58:56,368 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-21 14:58:56,368 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 14:58:56,392 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 14:58:56,490 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 14:58:56,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 14:58:56,569 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 14:58:56,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 14:58:56,609 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 14:58:56,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 14:58:56,753 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-21 14:58:56,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 14:58:56,795 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 14:58:56,923 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 14:58:56,958 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 14:58:57,084 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 14:58:57,084 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 14:59:00,481 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_530 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_530) |c_~#cache~0.base|) (+ 84 (* |c_t_funThread1of1ForFork0_~i~0#1| 28) |c_~#cache~0.offset|)) 0)) is different from false [2024-11-21 14:59:00,612 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 14:59:00,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [214451465] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 14:59:00,613 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 14:59:00,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 15] total 39 [2024-11-21 14:59:00,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68453763] [2024-11-21 14:59:00,613 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 14:59:00,613 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2024-11-21 14:59:00,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 14:59:00,614 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2024-11-21 14:59:00,615 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=160, Invalid=1285, Unknown=41, NotChecked=74, Total=1560 [2024-11-21 14:59:00,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 14:59:00,615 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 14:59:00,615 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 14:59:00,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 14:59:00,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 14:59:00,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 14:59:00,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 14:59:00,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 14:59:00,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 14:59:00,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 14:59:01,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 14:59:01,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 14:59:01,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 14:59:01,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 14:59:01,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 14:59:01,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 14:59:01,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 14:59:01,366 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 14:59:01,553 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 14:59:01,553 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 14:59:01,553 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 14:59:01,554 INFO L139 ounterexampleChecker]: Examining path program with hash -1757080674, occurence #5 [2024-11-21 14:59:01,554 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 14:59:01,554 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-21 14:59:01,554 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 14:59:01,554 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-11-21 14:59:01,554 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:01,554 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-11-21 14:59:01,554 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:01,554 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-11-21 14:59:01,554 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:01,554 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-11-21 14:59:01,554 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:01,554 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-11-21 14:59:01,554 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:01,554 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2024-11-21 14:59:01,554 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:01,554 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2024-11-21 14:59:01,554 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:01,554 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2024-11-21 14:59:01,554 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:01,554 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2024-11-21 14:59:01,554 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:01,554 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2024-11-21 14:59:01,555 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:01,555 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2024-11-21 14:59:01,555 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:01,555 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2024-11-21 14:59:01,555 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:01,555 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2024-11-21 14:59:01,555 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:01,555 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2024-11-21 14:59:01,555 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:01,555 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2024-11-21 14:59:01,555 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:01,555 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2024-11-21 14:59:01,555 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:01,555 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2024-11-21 14:59:01,555 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:01,555 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 94 [2024-11-21 14:59:01,555 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:01,555 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 95 [2024-11-21 14:59:01,555 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:01,555 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 97 [2024-11-21 14:59:01,555 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:01,555 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 14:59:01,556 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 14:59:01,556 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 14:59:01,556 INFO L85 PathProgramCache]: Analyzing trace with hash 1659402838, now seen corresponding path program 5 times [2024-11-21 14:59:01,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 14:59:01,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321696479] [2024-11-21 14:59:01,556 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 14:59:01,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 14:59:01,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 14:59:03,085 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 14:59:03,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 14:59:03,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1321696479] [2024-11-21 14:59:03,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1321696479] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 14:59:03,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1394620545] [2024-11-21 14:59:03,085 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-21 14:59:03,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 14:59:03,086 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 14:59:03,088 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 14:59:03,090 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 14:59:06,909 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2024-11-21 14:59:06,909 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 14:59:06,916 INFO L256 TraceCheckSpWp]: Trace formula consists of 610 conjuncts, 95 conjuncts are in the unsatisfiable core [2024-11-21 14:59:06,920 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 14:59:07,211 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-21 14:59:07,211 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 14:59:07,240 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 14:59:07,349 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 14:59:07,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 14:59:07,442 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 14:59:07,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 14:59:07,492 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 14:59:07,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 14:59:07,676 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-21 14:59:07,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 14:59:07,735 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 14:59:07,900 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 14:59:07,946 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 14:59:08,166 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 23 treesize of output 11 [2024-11-21 14:59:08,208 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-21 14:59:08,338 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 0 proven. 177 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-21 14:59:08,338 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 14:59:08,938 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 14:59:09,032 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_t_funThread1of1ForFork0_~i~0#1| 28) |c_~#cache~0.offset|)) 0)) is different from false [2024-11-21 14:59:09,037 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 14:59:09,358 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 14:59:09,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1394620545] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 14:59:09,358 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 14:59:09,358 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 23, 17] total 52 [2024-11-21 14:59:09,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68911124] [2024-11-21 14:59:09,358 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 14:59:09,359 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2024-11-21 14:59:09,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 14:59:09,360 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2024-11-21 14:59:09,361 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=211, Invalid=2238, Unknown=13, NotChecked=294, Total=2756 [2024-11-21 14:59:09,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 14:59:09,361 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 14:59:09,361 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 53 states have (on average 5.528301886792453) internal successors, (293), 52 states have internal predecessors, (293), 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 14:59:09,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 14:59:09,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 14:59:09,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 14:59:09,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 14:59:09,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 14:59:09,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 14:59:09,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 14:59:09,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 14:59:10,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 14:59:10,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 14:59:10,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 14:59:10,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 14:59:10,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 14:59:10,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 14:59:10,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 14:59:10,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-21 14:59:10,456 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 14:59:10,634 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 14:59:10,634 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 14:59:10,634 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 14:59:10,634 INFO L139 ounterexampleChecker]: Examining path program with hash -1757080674, occurence #6 [2024-11-21 14:59:10,634 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 14:59:10,634 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-21 14:59:10,635 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 14:59:10,635 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-11-21 14:59:10,635 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:10,635 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-11-21 14:59:10,635 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:10,635 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-11-21 14:59:10,635 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:10,635 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-11-21 14:59:10,635 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:10,635 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-11-21 14:59:10,635 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:10,635 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2024-11-21 14:59:10,635 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:10,635 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2024-11-21 14:59:10,635 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:10,635 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2024-11-21 14:59:10,635 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:10,635 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2024-11-21 14:59:10,635 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:10,635 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2024-11-21 14:59:10,635 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:10,635 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2024-11-21 14:59:10,635 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:10,635 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2024-11-21 14:59:10,635 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:10,635 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2024-11-21 14:59:10,635 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:10,635 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2024-11-21 14:59:10,636 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:10,636 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2024-11-21 14:59:10,636 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:10,636 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2024-11-21 14:59:10,636 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:10,636 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2024-11-21 14:59:10,636 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:10,636 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 94 [2024-11-21 14:59:10,636 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:10,636 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 95 [2024-11-21 14:59:10,636 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:10,636 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 97 [2024-11-21 14:59:10,636 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:10,636 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 108 [2024-11-21 14:59:10,636 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:10,636 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 113 [2024-11-21 14:59:10,636 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:10,636 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 114 [2024-11-21 14:59:10,636 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:10,636 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 115 [2024-11-21 14:59:10,636 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:10,636 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 117 [2024-11-21 14:59:10,636 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:10,636 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 14:59:10,636 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 14:59:10,637 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 14:59:10,637 INFO L85 PathProgramCache]: Analyzing trace with hash -1957421902, now seen corresponding path program 6 times [2024-11-21 14:59:10,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 14:59:10,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380377522] [2024-11-21 14:59:10,637 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 14:59:10,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 14:59:10,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 14:59:12,358 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 14:59:12,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 14:59:12,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380377522] [2024-11-21 14:59:12,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1380377522] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 14:59:12,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [836865628] [2024-11-21 14:59:12,358 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-21 14:59:12,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 14:59:12,359 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 14:59:12,361 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 14:59:12,362 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 14:59:14,024 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2024-11-21 14:59:14,025 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 14:59:14,029 INFO L256 TraceCheckSpWp]: Trace formula consists of 682 conjuncts, 90 conjuncts are in the unsatisfiable core [2024-11-21 14:59:14,035 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 14:59:14,113 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-21 14:59:14,114 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 14:59:14,152 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 14:59:14,254 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 14:59:14,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 14:59:14,332 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 14:59:14,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 14:59:14,372 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 14:59:14,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 14:59:14,552 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 14:59:14,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 14:59:14,595 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 23 treesize of output 11 [2024-11-21 14:59:14,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 14:59:14,761 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-21 14:59:14,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 14:59:14,804 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 14:59:14,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 14:59:14,949 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 14:59:15,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 14:59:15,004 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 14:59:15,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 14:59:15,167 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 14:59:15,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 14:59:15,213 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 14:59:15,340 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 14:59:15,340 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 14:59:16,096 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_973 Int) (v_ArrVal_970 (Array Int Int))) (= (select (select (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_970))) (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_973))) |c_~#cache~0.base|) (+ 140 (* |c_t_funThread1of1ForFork0_~i~0#1| 28) |c_~#cache~0.offset|)) 0)) is different from false [2024-11-21 14:59:16,112 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 14:59:16,115 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_t_funThread1of1ForFork0_~i~0#1| 28) |c_~#cache~0.offset|)) 0)) is different from false [2024-11-21 14:59:16,124 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 14:59:16,233 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 14:59:16,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [836865628] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 14:59:16,234 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 14:59:16,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 19] total 51 [2024-11-21 14:59:16,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708999608] [2024-11-21 14:59:16,234 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 14:59:16,235 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2024-11-21 14:59:16,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 14:59:16,235 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2024-11-21 14:59:16,236 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=196, Invalid=2072, Unknown=4, NotChecked=380, Total=2652 [2024-11-21 14:59:16,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 14:59:16,236 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 14:59:16,237 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 14:59:16,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 14:59:16,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 14:59:16,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 14:59:16,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 14:59:16,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 14:59:16,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 14:59:16,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 14:59:16,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-11-21 14:59:16,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 14:59:17,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 14:59:17,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 14:59:17,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 14:59:17,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 14:59:17,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 14:59:17,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 14:59:17,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 14:59:17,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-21 14:59:17,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 14:59:17,577 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 14:59:17,757 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 14:59:17,757 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 14:59:17,757 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 14:59:17,757 INFO L139 ounterexampleChecker]: Examining path program with hash -1757080674, occurence #7 [2024-11-21 14:59:17,757 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 14:59:17,757 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-21 14:59:17,757 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 14:59:17,757 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-11-21 14:59:17,757 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:17,757 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-11-21 14:59:17,757 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:17,757 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-11-21 14:59:17,758 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:17,758 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-11-21 14:59:17,758 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:17,758 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-11-21 14:59:17,758 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:17,758 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2024-11-21 14:59:17,758 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:17,758 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2024-11-21 14:59:17,758 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:17,758 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2024-11-21 14:59:17,758 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:17,758 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2024-11-21 14:59:17,758 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:17,758 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2024-11-21 14:59:17,758 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:17,758 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2024-11-21 14:59:17,758 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:17,758 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2024-11-21 14:59:17,758 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:17,758 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2024-11-21 14:59:17,758 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:17,758 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2024-11-21 14:59:17,758 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:17,758 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2024-11-21 14:59:17,758 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:17,758 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2024-11-21 14:59:17,758 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:17,758 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2024-11-21 14:59:17,759 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:17,759 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 94 [2024-11-21 14:59:17,759 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:17,759 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 95 [2024-11-21 14:59:17,759 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:17,759 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 97 [2024-11-21 14:59:17,759 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:17,759 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 108 [2024-11-21 14:59:17,759 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:17,759 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 113 [2024-11-21 14:59:17,759 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:17,759 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 114 [2024-11-21 14:59:17,759 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:17,759 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 115 [2024-11-21 14:59:17,759 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:17,759 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 117 [2024-11-21 14:59:17,759 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:17,759 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 128 [2024-11-21 14:59:17,759 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:17,759 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 133 [2024-11-21 14:59:17,759 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:17,759 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 134 [2024-11-21 14:59:17,759 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:17,759 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 135 [2024-11-21 14:59:17,759 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:17,760 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 137 [2024-11-21 14:59:17,760 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:17,760 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 14:59:17,760 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 14:59:17,761 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 14:59:17,761 INFO L85 PathProgramCache]: Analyzing trace with hash -1567426290, now seen corresponding path program 7 times [2024-11-21 14:59:17,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 14:59:17,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074086709] [2024-11-21 14:59:17,762 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 14:59:17,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 14:59:17,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 14:59:19,748 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 14:59:19,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 14:59:19,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074086709] [2024-11-21 14:59:19,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2074086709] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 14:59:19,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1980751127] [2024-11-21 14:59:19,748 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-21 14:59:19,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 14:59:19,748 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 14:59:19,750 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 14:59:19,751 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 14:59:19,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 14:59:19,947 INFO L256 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 102 conjuncts are in the unsatisfiable core [2024-11-21 14:59:19,951 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 14:59:20,051 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-21 14:59:20,051 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 14:59:20,077 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 14:59:20,191 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 14:59:20,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 14:59:20,280 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 14:59:20,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 14:59:20,327 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 14:59:20,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 14:59:20,562 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 14:59:20,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 14:59:20,613 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 14:59:20,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 14:59:20,773 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 14:59:20,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 14:59:20,813 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 14:59:20,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 14:59:20,978 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 14:59:21,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 14:59:21,025 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 14:59:21,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 14:59:21,230 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 14:59:21,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 14:59:21,278 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 14:59:21,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 14:59:21,434 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-21 14:59:21,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 14:59:21,478 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 14:59:21,613 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 14:59:21,613 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 14:59:23,301 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 14:59:23,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1980751127] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 14:59:23,301 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 14:59:23,302 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20, 21] total 57 [2024-11-21 14:59:23,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445696090] [2024-11-21 14:59:23,302 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 14:59:23,302 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 58 states [2024-11-21 14:59:23,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 14:59:23,303 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2024-11-21 14:59:23,304 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=237, Invalid=3002, Unknown=67, NotChecked=0, Total=3306 [2024-11-21 14:59:23,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 14:59:23,304 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 14:59:23,305 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 14:59:23,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 14:59:23,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 14:59:23,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 14:59:23,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 14:59:23,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 14:59:23,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 14:59:23,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 14:59:23,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-11-21 14:59:23,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 14:59:23,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 14:59:24,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 14:59:24,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 14:59:24,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 14:59:24,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 14:59:24,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 14:59:24,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 14:59:24,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 14:59:24,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-21 14:59:24,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 14:59:24,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 14:59:24,905 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 14:59:25,088 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 14:59:25,088 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 14:59:25,088 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 14:59:25,089 INFO L139 ounterexampleChecker]: Examining path program with hash -1757080674, occurence #8 [2024-11-21 14:59:25,089 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 14:59:25,089 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-21 14:59:25,089 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 14:59:25,089 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-11-21 14:59:25,089 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:25,089 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-11-21 14:59:25,089 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:25,089 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-11-21 14:59:25,089 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:25,089 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-11-21 14:59:25,089 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:25,089 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-11-21 14:59:25,089 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:25,089 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2024-11-21 14:59:25,089 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:25,089 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2024-11-21 14:59:25,089 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:25,089 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2024-11-21 14:59:25,089 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:25,089 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2024-11-21 14:59:25,089 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:25,089 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2024-11-21 14:59:25,089 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:25,089 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2024-11-21 14:59:25,090 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:25,090 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2024-11-21 14:59:25,090 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:25,090 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2024-11-21 14:59:25,090 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:25,090 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2024-11-21 14:59:25,090 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:25,090 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2024-11-21 14:59:25,090 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:25,090 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2024-11-21 14:59:25,090 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:25,090 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2024-11-21 14:59:25,090 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:25,090 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 94 [2024-11-21 14:59:25,090 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:25,090 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 95 [2024-11-21 14:59:25,090 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:25,090 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 97 [2024-11-21 14:59:25,090 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:25,090 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 108 [2024-11-21 14:59:25,090 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:25,090 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 113 [2024-11-21 14:59:25,090 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:25,090 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 114 [2024-11-21 14:59:25,090 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:25,090 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 115 [2024-11-21 14:59:25,090 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:25,090 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 117 [2024-11-21 14:59:25,090 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:25,090 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 128 [2024-11-21 14:59:25,090 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:25,090 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 133 [2024-11-21 14:59:25,091 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:25,091 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 134 [2024-11-21 14:59:25,091 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:25,091 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 135 [2024-11-21 14:59:25,091 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:25,091 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 137 [2024-11-21 14:59:25,091 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:25,091 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 148 [2024-11-21 14:59:25,091 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:25,091 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 153 [2024-11-21 14:59:25,091 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:25,091 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 154 [2024-11-21 14:59:25,091 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:25,091 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 155 [2024-11-21 14:59:25,091 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:25,091 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 157 [2024-11-21 14:59:25,091 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:25,091 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 14:59:25,091 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 14:59:25,091 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 14:59:25,092 INFO L85 PathProgramCache]: Analyzing trace with hash -1463546006, now seen corresponding path program 8 times [2024-11-21 14:59:25,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 14:59:25,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466617282] [2024-11-21 14:59:25,092 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 14:59:25,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 14:59:25,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 14:59:27,351 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 14:59:27,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 14:59:27,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466617282] [2024-11-21 14:59:27,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1466617282] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 14:59:27,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [275697291] [2024-11-21 14:59:27,351 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-21 14:59:27,351 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 14:59:27,351 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 14:59:27,355 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 14:59:27,356 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 14:59:27,588 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-21 14:59:27,588 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 14:59:27,592 INFO L256 TraceCheckSpWp]: Trace formula consists of 826 conjuncts, 111 conjuncts are in the unsatisfiable core [2024-11-21 14:59:27,597 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 14:59:27,684 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-21 14:59:27,684 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 14:59:27,712 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 14:59:27,829 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 14:59:27,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 14:59:27,910 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 14:59:27,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 14:59:27,952 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 14:59:28,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 14:59:28,126 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 14:59:28,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 14:59:28,170 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 14:59:28,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 14:59:28,394 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-21 14:59:28,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 14:59:28,461 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 14:59:28,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 14:59:28,690 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 14:59:28,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 14:59:28,734 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 23 treesize of output 11 [2024-11-21 14:59:28,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 14:59:28,894 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 23 treesize of output 11 [2024-11-21 14:59:28,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 14:59:28,962 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 14:59:29,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 14:59:29,146 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 14:59:29,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 14:59:29,189 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 14:59:29,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 14:59:29,351 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 14:59:29,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 14:59:29,393 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 14:59:29,533 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 14:59:29,533 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 14:59:31,273 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 14:59:31,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [275697291] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 14:59:31,273 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 14:59:31,273 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22, 22] total 62 [2024-11-21 14:59:31,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714720217] [2024-11-21 14:59:31,274 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 14:59:31,274 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2024-11-21 14:59:31,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 14:59:31,275 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2024-11-21 14:59:31,276 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=254, Invalid=3592, Unknown=60, NotChecked=0, Total=3906 [2024-11-21 14:59:31,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 14:59:31,276 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 14:59:31,276 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 7.396825396825397) internal successors, (466), 62 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 14:59:31,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 14:59:31,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 14:59:31,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 14:59:31,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 14:59:31,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 14:59:31,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 14:59:31,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 14:59:31,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-11-21 14:59:31,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 14:59:31,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-21 14:59:31,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 14:59:33,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 14:59:33,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 14:59:33,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 14:59:33,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 14:59:33,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 14:59:33,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 14:59:33,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 14:59:33,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-21 14:59:33,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 14:59:33,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 14:59:33,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-21 14:59:33,058 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 14:59:33,245 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 14:59:33,245 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 14:59:33,245 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 14:59:33,245 INFO L139 ounterexampleChecker]: Examining path program with hash -1757080674, occurence #9 [2024-11-21 14:59:33,245 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 14:59:33,245 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-21 14:59:33,246 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 14:59:33,246 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-11-21 14:59:33,246 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:33,246 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-11-21 14:59:33,246 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:33,246 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-11-21 14:59:33,246 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:33,246 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-11-21 14:59:33,246 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:33,246 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-11-21 14:59:33,246 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:33,246 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2024-11-21 14:59:33,246 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:33,246 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2024-11-21 14:59:33,246 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:33,246 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2024-11-21 14:59:33,246 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:33,246 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2024-11-21 14:59:33,246 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:33,246 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2024-11-21 14:59:33,246 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:33,246 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2024-11-21 14:59:33,246 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:33,246 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2024-11-21 14:59:33,246 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:33,246 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2024-11-21 14:59:33,246 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:33,246 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2024-11-21 14:59:33,246 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:33,246 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2024-11-21 14:59:33,246 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:33,246 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2024-11-21 14:59:33,246 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:33,247 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2024-11-21 14:59:33,247 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:33,247 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 94 [2024-11-21 14:59:33,247 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:33,247 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 95 [2024-11-21 14:59:33,247 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:33,247 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 97 [2024-11-21 14:59:33,247 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:33,247 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 108 [2024-11-21 14:59:33,247 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:33,247 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 113 [2024-11-21 14:59:33,247 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:33,247 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 114 [2024-11-21 14:59:33,247 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:33,247 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 115 [2024-11-21 14:59:33,247 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:33,247 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 117 [2024-11-21 14:59:33,247 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:33,247 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 128 [2024-11-21 14:59:33,247 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:33,247 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 133 [2024-11-21 14:59:33,247 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:33,247 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 134 [2024-11-21 14:59:33,247 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:33,247 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 135 [2024-11-21 14:59:33,247 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:33,247 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 137 [2024-11-21 14:59:33,247 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:33,247 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 148 [2024-11-21 14:59:33,247 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:33,247 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 153 [2024-11-21 14:59:33,247 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:33,247 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 154 [2024-11-21 14:59:33,247 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:33,247 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 155 [2024-11-21 14:59:33,248 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:33,248 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 157 [2024-11-21 14:59:33,248 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:33,248 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 168 [2024-11-21 14:59:33,249 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:33,249 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 173 [2024-11-21 14:59:33,249 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:33,249 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 174 [2024-11-21 14:59:33,249 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:33,249 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 175 [2024-11-21 14:59:33,249 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:33,249 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 177 [2024-11-21 14:59:33,250 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:59:33,250 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 14:59:33,250 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 14:59:33,250 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 14:59:33,250 INFO L85 PathProgramCache]: Analyzing trace with hash 1485201350, now seen corresponding path program 9 times [2024-11-21 14:59:33,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 14:59:33,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417511279] [2024-11-21 14:59:33,251 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 14:59:33,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 14:59:33,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 14:59:35,790 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 14:59:35,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 14:59:35,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417511279] [2024-11-21 14:59:35,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1417511279] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 14:59:35,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1212653669] [2024-11-21 14:59:35,791 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-21 14:59:35,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 14:59:35,791 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 14:59:35,793 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 14:59:35,794 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 14:59:55,314 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2024-11-21 14:59:55,314 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 14:59:55,333 INFO L256 TraceCheckSpWp]: Trace formula consists of 898 conjuncts, 138 conjuncts are in the unsatisfiable core [2024-11-21 14:59:55,341 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 14:59:55,555 INFO L349 Elim1Store]: treesize reduction 12, result has 52.0 percent of original size [2024-11-21 14:59:55,555 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 14:59:55,603 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 14:59:55,794 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 14:59:55,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 14:59:55,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 14:59:55,893 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 14:59:55,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 14:59:55,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 14:59:55,951 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 14:59:56,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 14:59:56,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 14:59:56,193 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 14:59:56,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 14:59:56,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 14:59:56,246 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 14:59:56,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 14:59:56,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 14:59:56,511 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 14:59:56,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 14:59:56,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 14:59:56,594 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 14:59:56,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 14:59:56,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 14:59:56,824 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 14:59:56,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 14:59:56,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 14:59:56,875 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 14:59:57,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 14:59:57,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 14:59:57,083 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2024-11-21 14:59:57,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 14:59:57,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 14:59:57,141 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 14:59:57,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 14:59:57,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 14:59:57,341 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 14:59:57,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 14:59:57,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 14:59:57,402 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 14:59:57,598 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2024-11-21 14:59:57,696 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 14 [2024-11-21 14:59:57,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 14:59:57,897 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 14:59:57,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 14:59:57,945 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 14:59:58,097 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 14:59:58,097 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 14:59:59,504 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 14:59:59,895 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 14:59:59,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1212653669] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 14:59:59,895 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 14:59:59,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 26, 25] total 71 [2024-11-21 14:59:59,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61672309] [2024-11-21 14:59:59,895 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 14:59:59,895 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 72 states [2024-11-21 14:59:59,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 14:59:59,897 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 72 interpolants. [2024-11-21 14:59:59,898 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=320, Invalid=4615, Unknown=39, NotChecked=138, Total=5112 [2024-11-21 14:59:59,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 14:59:59,898 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 14:59:59,898 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 72 states, 72 states have (on average 7.291666666666667) internal successors, (525), 71 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 14:59:59,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 14:59:59,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 14:59:59,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 14:59:59,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 14:59:59,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 14:59:59,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 14:59:59,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 14:59:59,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-11-21 14:59:59,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 14:59:59,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-21 14:59:59,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-21 14:59:59,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:00:02,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 15:00:02,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:00:02,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:00:02,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 15:00:02,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:00:02,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:00:02,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 15:00:02,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-21 15:00:02,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 15:00:02,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 15:00:02,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-21 15:00:02,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-21 15:00:02,163 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 15:00:02,339 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 15:00:02,339 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 15:00:02,339 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:00:02,340 INFO L139 ounterexampleChecker]: Examining path program with hash -1757080674, occurence #10 [2024-11-21 15:00:02,340 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 15:00:02,340 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-21 15:00:02,340 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:00:02,340 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-11-21 15:00:02,340 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:00:02,340 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-11-21 15:00:02,340 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:00:02,340 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-11-21 15:00:02,340 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:00:02,340 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-11-21 15:00:02,340 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:00:02,340 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-11-21 15:00:02,340 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:00:02,340 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2024-11-21 15:00:02,340 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:00:02,340 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2024-11-21 15:00:02,340 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:00:02,340 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2024-11-21 15:00:02,340 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:00:02,340 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2024-11-21 15:00:02,340 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:00:02,340 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2024-11-21 15:00:02,340 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:00:02,340 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2024-11-21 15:00:02,340 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:00:02,340 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2024-11-21 15:00:02,340 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:00:02,341 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2024-11-21 15:00:02,341 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:00:02,341 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2024-11-21 15:00:02,341 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:00:02,341 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2024-11-21 15:00:02,341 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:00:02,341 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2024-11-21 15:00:02,341 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:00:02,341 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2024-11-21 15:00:02,341 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:00:02,341 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 94 [2024-11-21 15:00:02,341 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:00:02,341 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 95 [2024-11-21 15:00:02,341 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:00:02,341 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 97 [2024-11-21 15:00:02,341 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:00:02,341 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 108 [2024-11-21 15:00:02,341 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:00:02,341 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 113 [2024-11-21 15:00:02,341 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:00:02,341 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 114 [2024-11-21 15:00:02,341 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:00:02,341 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 115 [2024-11-21 15:00:02,341 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:00:02,341 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 117 [2024-11-21 15:00:02,341 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:00:02,341 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 128 [2024-11-21 15:00:02,341 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:00:02,341 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 133 [2024-11-21 15:00:02,341 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:00:02,341 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 134 [2024-11-21 15:00:02,341 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:00:02,341 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 135 [2024-11-21 15:00:02,341 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:00:02,342 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 137 [2024-11-21 15:00:02,342 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:00:02,342 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 148 [2024-11-21 15:00:02,342 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:00:02,342 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 153 [2024-11-21 15:00:02,342 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:00:02,342 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 154 [2024-11-21 15:00:02,342 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:00:02,342 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 155 [2024-11-21 15:00:02,342 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:00:02,342 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 157 [2024-11-21 15:00:02,342 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:00:02,342 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 168 [2024-11-21 15:00:02,342 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:00:02,342 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 173 [2024-11-21 15:00:02,342 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:00:02,342 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 174 [2024-11-21 15:00:02,342 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:00:02,342 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 175 [2024-11-21 15:00:02,342 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:00:02,342 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 177 [2024-11-21 15:00:02,342 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:00:02,342 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 188 [2024-11-21 15:00:02,342 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:00:02,342 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 193 [2024-11-21 15:00:02,343 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:00:02,343 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 194 [2024-11-21 15:00:02,343 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:00:02,343 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 195 [2024-11-21 15:00:02,343 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:00:02,343 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 197 [2024-11-21 15:00:02,343 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:00:02,343 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 15:00:02,343 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:00:02,343 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:00:02,343 INFO L85 PathProgramCache]: Analyzing trace with hash -419894750, now seen corresponding path program 10 times [2024-11-21 15:00:02,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:00:02,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66181831] [2024-11-21 15:00:02,343 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:00:02,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:00:02,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:00:04,749 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 15:00:04,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:00:04,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [66181831] [2024-11-21 15:00:04,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [66181831] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:00:04,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [818971062] [2024-11-21 15:00:04,750 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-21 15:00:04,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:00:04,750 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:00:04,752 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 15:00:04,752 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 15:07:14,896 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-21 15:07:14,896 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 15:07:14,969 INFO L256 TraceCheckSpWp]: Trace formula consists of 970 conjuncts, 152 conjuncts are in the unsatisfiable core [2024-11-21 15:07:14,975 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:07:15,100 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-21 15:07:15,100 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 15:07:15,141 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 30 treesize of output 21 [2024-11-21 15:07:15,289 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2024-11-21 15:07:15,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 15:07:15,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 15:07:15,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 15:07:15,400 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 15:07:15,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 15:07:15,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 15:07:15,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 15:07:15,463 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 15:07:15,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 15:07:15,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 15:07:15,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 15:07:15,713 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 15:07:15,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 15:07:15,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 15:07:15,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 15:07:15,774 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 15:07:15,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 15:07:15,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 15:07:15,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 15:07:15,990 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 15:07:16,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 15:07:16,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 15:07:16,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 15:07:16,058 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 15:07:16,279 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 15:07:16,377 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 37 treesize of output 24 [2024-11-21 15:07:16,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 15:07:16,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 15:07:16,660 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 15:07:16,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 15:07:16,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 15:07:16,732 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 15:07:16,975 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 15:07:17,070 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 15:07:17,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 15:07:17,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 15:07:17,306 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 15:07:17,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 15:07:17,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 15:07:17,374 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 15:07:17,613 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 15:07:17,716 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 14 [2024-11-21 15:07:17,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 15:07:17,924 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 15:07:17,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 15:07:17,971 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 15:07:18,126 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 15:07:18,126 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 15:07:20,435 WARN L851 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_129| Int) (v_ArrVal_2282 (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_2282) |c_~#cache~0.base|) (+ 252 .cse0 |c_~#cache~0.offset|)) 0) (< (+ .cse0 |c_~#cache~0.offset|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_129|)))) is different from false [2024-11-21 15:07:20,509 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2282 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_2282) |c_~#cache~0.base|) (+ 252 |c_~#cache~0.offset|)) 0)) is different from false [2024-11-21 15:07:20,604 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 15:07:20,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [818971062] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 15:07:20,604 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 15:07:20,604 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 30, 27] total 79 [2024-11-21 15:07:20,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89738498] [2024-11-21 15:07:20,604 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 15:07:20,605 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 80 states [2024-11-21 15:07:20,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:07:20,606 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 80 interpolants. [2024-11-21 15:07:20,608 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=369, Invalid=5598, Unknown=47, NotChecked=306, Total=6320 [2024-11-21 15:07:20,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:07:20,608 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:07:20,609 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 80 states, 80 states have (on average 7.3125) internal successors, (585), 79 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 15:07:20,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 15:07:20,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:07:20,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:07:20,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 15:07:20,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:07:20,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:07:20,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 15:07:20,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-11-21 15:07:20,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 15:07:20,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-21 15:07:20,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-21 15:07:20,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-11-21 15:07:20,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:07:23,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 15:07:23,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:07:23,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:07:23,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 15:07:23,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:07:23,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:07:23,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 15:07:23,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-21 15:07:23,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 15:07:23,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 15:07:23,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-21 15:07:23,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-21 15:07:23,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-21 15:07:23,393 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-21 15:07:23,505 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 15:07:23,505 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 15:07:23,505 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:07:23,506 INFO L139 ounterexampleChecker]: Examining path program with hash -1757080674, occurence #11 [2024-11-21 15:07:23,506 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 15:07:23,506 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-21 15:07:23,506 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:07:23,506 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-11-21 15:07:23,506 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:07:23,506 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-11-21 15:07:23,506 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:07:23,506 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-11-21 15:07:23,506 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:07:23,506 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-11-21 15:07:23,506 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:07:23,506 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-11-21 15:07:23,506 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:07:23,506 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2024-11-21 15:07:23,506 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:07:23,506 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2024-11-21 15:07:23,506 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:07:23,506 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2024-11-21 15:07:23,506 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:07:23,506 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2024-11-21 15:07:23,506 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:07:23,506 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2024-11-21 15:07:23,506 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:07:23,506 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2024-11-21 15:07:23,506 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:07:23,506 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2024-11-21 15:07:23,506 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:07:23,506 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2024-11-21 15:07:23,506 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:07:23,507 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2024-11-21 15:07:23,507 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:07:23,507 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2024-11-21 15:07:23,507 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:07:23,507 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2024-11-21 15:07:23,507 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:07:23,507 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2024-11-21 15:07:23,507 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:07:23,507 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 94 [2024-11-21 15:07:23,507 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:07:23,507 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 95 [2024-11-21 15:07:23,507 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:07:23,507 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 97 [2024-11-21 15:07:23,507 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:07:23,507 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 108 [2024-11-21 15:07:23,507 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:07:23,507 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 113 [2024-11-21 15:07:23,507 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:07:23,507 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 114 [2024-11-21 15:07:23,507 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:07:23,507 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 115 [2024-11-21 15:07:23,507 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:07:23,507 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 117 [2024-11-21 15:07:23,507 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:07:23,507 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 128 [2024-11-21 15:07:23,507 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:07:23,507 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 133 [2024-11-21 15:07:23,507 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:07:23,507 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 134 [2024-11-21 15:07:23,507 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:07:23,507 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 135 [2024-11-21 15:07:23,507 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:07:23,507 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 137 [2024-11-21 15:07:23,507 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:07:23,507 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 148 [2024-11-21 15:07:23,507 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:07:23,508 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 153 [2024-11-21 15:07:23,508 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:07:23,508 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 154 [2024-11-21 15:07:23,508 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:07:23,508 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 155 [2024-11-21 15:07:23,508 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:07:23,508 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 157 [2024-11-21 15:07:23,508 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:07:23,508 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 168 [2024-11-21 15:07:23,508 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:07:23,508 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 173 [2024-11-21 15:07:23,508 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:07:23,508 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 174 [2024-11-21 15:07:23,508 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:07:23,508 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 175 [2024-11-21 15:07:23,508 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:07:23,508 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 177 [2024-11-21 15:07:23,508 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:07:23,508 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 188 [2024-11-21 15:07:23,508 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:07:23,508 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 193 [2024-11-21 15:07:23,508 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:07:23,508 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 194 [2024-11-21 15:07:23,508 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:07:23,508 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 195 [2024-11-21 15:07:23,508 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:07:23,508 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 197 [2024-11-21 15:07:23,508 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:07:23,509 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 208 [2024-11-21 15:07:23,509 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:07:23,509 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 213 [2024-11-21 15:07:23,509 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:07:23,509 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 214 [2024-11-21 15:07:23,509 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:07:23,509 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 215 [2024-11-21 15:07:23,509 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:07:23,509 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 217 [2024-11-21 15:07:23,509 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:07:23,509 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 15:07:23,509 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:07:23,509 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:07:23,509 INFO L85 PathProgramCache]: Analyzing trace with hash -1011175810, now seen corresponding path program 11 times [2024-11-21 15:07:23,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:07:23,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880934147] [2024-11-21 15:07:23,509 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:07:23,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:07:23,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:07:23,804 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 15:07:23,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:07:23,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880934147] [2024-11-21 15:07:23,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1880934147] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:07:23,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [35241058] [2024-11-21 15:07:23,804 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-21 15:07:23,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:07:23,805 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:07:23,806 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 15:07:23,807 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 Killed by 15