./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/goblint-regression/28-race_reach_70-funloop_racefree.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1f73d82f Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../sv-benchmarks/c/goblint-regression/28-race_reach_70-funloop_racefree.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 2a10f98c1a89e2ac521234c9e4f0eca565cc5bc1484e9c7d67d861e216c6f9ba --- Real Ultimate output --- This is Ultimate 0.3.0-dev-1f73d82-m [2024-11-21 11:30:02,946 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-21 11:30:03,038 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-11-21 11:30:03,055 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-21 11:30:03,056 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-21 11:30:03,082 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-21 11:30:03,083 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-21 11:30:03,083 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-21 11:30:03,083 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-21 11:30:03,084 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-21 11:30:03,084 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-21 11:30:03,084 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-21 11:30:03,084 INFO L153 SettingsManager]: * Use SBE=true [2024-11-21 11:30:03,084 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-21 11:30:03,084 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-21 11:30:03,085 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-21 11:30:03,085 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-21 11:30:03,085 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-21 11:30:03,085 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-21 11:30:03,085 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-21 11:30:03,085 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-21 11:30:03,085 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-21 11:30:03,085 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-21 11:30:03,086 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-21 11:30:03,086 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-21 11:30:03,086 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-21 11:30:03,086 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-21 11:30:03,086 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-21 11:30:03,086 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-21 11:30:03,086 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-21 11:30:03,086 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-21 11:30:03,087 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-21 11:30:03,087 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-21 11:30:03,087 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-21 11:30:03,087 INFO L153 SettingsManager]: * Commutativity condition synthesis=SUFFICIENT [2024-11-21 11:30:03,087 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-21 11:30:03,087 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-21 11:30:03,087 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-11-21 11:30:03,088 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-21 11:30:03,088 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-21 11:30:03,088 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-21 11:30:03,088 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-21 11:30:03,088 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-21 11:30:03,088 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 -> 2a10f98c1a89e2ac521234c9e4f0eca565cc5bc1484e9c7d67d861e216c6f9ba [2024-11-21 11:30:03,376 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-21 11:30:03,386 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-21 11:30:03,390 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-21 11:30:03,391 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-21 11:30:03,391 INFO L274 PluginConnector]: CDTParser initialized [2024-11-21 11:30:03,392 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../sv-benchmarks/c/goblint-regression/28-race_reach_70-funloop_racefree.i [2024-11-21 11:30:04,681 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/071b1bdca/59ceb4a47d4f4a76bf5a962011888938/FLAG7bcdb8cfc [2024-11-21 11:30:05,006 INFO L384 CDTParser]: Found 1 translation units. [2024-11-21 11:30:05,007 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/goblint-regression/28-race_reach_70-funloop_racefree.i [2024-11-21 11:30:05,026 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/071b1bdca/59ceb4a47d4f4a76bf5a962011888938/FLAG7bcdb8cfc [2024-11-21 11:30:05,044 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/071b1bdca/59ceb4a47d4f4a76bf5a962011888938 [2024-11-21 11:30:05,047 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-21 11:30:05,048 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-21 11:30:05,050 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-21 11:30:05,051 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-21 11:30:05,055 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-21 11:30:05,056 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:30:05" (1/1) ... [2024-11-21 11:30:05,058 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@596e2dac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:30:05, skipping insertion in model container [2024-11-21 11:30:05,059 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:30:05" (1/1) ... [2024-11-21 11:30:05,100 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-21 11:30:05,440 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_70-funloop_racefree.i[41323,41336] [2024-11-21 11:30:05,469 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-21 11:30:05,506 INFO L200 MainTranslator]: Completed pre-run [2024-11-21 11:30:05,554 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_70-funloop_racefree.i[41323,41336] [2024-11-21 11:30:05,570 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-21 11:30:05,638 INFO L204 MainTranslator]: Completed translation [2024-11-21 11:30:05,639 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:30:05 WrapperNode [2024-11-21 11:30:05,640 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-21 11:30:05,641 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-21 11:30:05,641 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-21 11:30:05,641 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-21 11:30:05,647 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:30:05" (1/1) ... [2024-11-21 11:30:05,668 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:30:05" (1/1) ... [2024-11-21 11:30:05,702 INFO L138 Inliner]: procedures = 272, calls = 95, calls flagged for inlining = 5, calls inlined = 6, statements flattened = 262 [2024-11-21 11:30:05,706 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-21 11:30:05,707 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-21 11:30:05,710 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-21 11:30:05,710 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-21 11:30:05,716 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:30:05" (1/1) ... [2024-11-21 11:30:05,716 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:30:05" (1/1) ... [2024-11-21 11:30:05,720 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:30:05" (1/1) ... [2024-11-21 11:30:05,723 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:30:05" (1/1) ... [2024-11-21 11:30:05,739 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:30:05" (1/1) ... [2024-11-21 11:30:05,740 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:30:05" (1/1) ... [2024-11-21 11:30:05,748 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:30:05" (1/1) ... [2024-11-21 11:30:05,753 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:30:05" (1/1) ... [2024-11-21 11:30:05,754 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:30:05" (1/1) ... [2024-11-21 11:30:05,760 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-21 11:30:05,761 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-21 11:30:05,765 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-21 11:30:05,765 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-21 11:30:05,766 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:30:05" (1/1) ... [2024-11-21 11:30:05,773 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-21 11:30:05,787 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 11:30:05,801 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-21 11:30:05,804 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-21 11:30:05,824 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-21 11:30:05,824 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-21 11:30:05,824 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-21 11:30:05,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-21 11:30:05,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-21 11:30:05,824 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-21 11:30:05,824 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-21 11:30:05,824 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-21 11:30:05,824 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-21 11:30:05,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-21 11:30:05,824 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-21 11:30:05,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-21 11:30:05,826 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-21 11:30:05,935 INFO L234 CfgBuilder]: Building ICFG [2024-11-21 11:30:05,936 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-21 11:30:06,316 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-21 11:30:06,316 INFO L283 CfgBuilder]: Performing block encoding [2024-11-21 11:30:06,746 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-21 11:30:06,748 INFO L312 CfgBuilder]: Removed 15 assume(true) statements. [2024-11-21 11:30:06,748 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:30:06 BoogieIcfgContainer [2024-11-21 11:30:06,749 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-21 11:30:06,751 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-21 11:30:06,751 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-21 11:30:06,757 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-21 11:30:06,757 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 11:30:05" (1/3) ... [2024-11-21 11:30:06,758 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5665d9aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 11:30:06, skipping insertion in model container [2024-11-21 11:30:06,759 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:30:05" (2/3) ... [2024-11-21 11:30:06,759 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5665d9aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 11:30:06, skipping insertion in model container [2024-11-21 11:30:06,759 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:30:06" (3/3) ... [2024-11-21 11:30:06,761 INFO L128 eAbstractionObserver]: Analyzing ICFG 28-race_reach_70-funloop_racefree.i [2024-11-21 11:30:06,778 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-21 11:30:06,780 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 28-race_reach_70-funloop_racefree.i that has 2 procedures, 69 locations, 1 initial locations, 15 loop locations, and 2 error locations. [2024-11-21 11:30:06,781 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-21 11:30:06,833 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-21 11:30:06,888 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-21 11:30:06,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-21 11:30:06,890 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 11:30:06,893 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-11-21 11:30:06,894 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-11-21 11:30:06,985 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-21 11:30:07,003 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t_funThread1of1ForFork0 ======== [2024-11-21 11:30:07,010 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;@3bf27fad, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-21 11:30:07,011 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-21 11:30:07,335 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 11:30:07,336 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 11:30:07,336 INFO L139 ounterexampleChecker]: Examining path program with hash 2116285414, occurence #1 [2024-11-21 11:30:07,337 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 11:30:07,337 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 11:30:07,341 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 11:30:07,342 INFO L85 PathProgramCache]: Analyzing trace with hash -1709475561, now seen corresponding path program 1 times [2024-11-21 11:30:07,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 11:30:07,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913544220] [2024-11-21 11:30:07,350 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 11:30:07,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 11:30:07,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 11:30:07,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 11:30:07,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 11:30:07,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913544220] [2024-11-21 11:30:07,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1913544220] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 11:30:07,703 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 11:30:07,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-21 11:30:07,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890588901] [2024-11-21 11:30:07,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 11:30:07,707 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-21 11:30:07,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 11:30:07,725 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-21 11:30:07,726 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-21 11:30:07,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:30:07,727 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 11:30:07,729 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 11:30:07,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:30:07,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:30:07,801 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-21 11:30:07,801 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 11:30:07,801 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 11:30:07,801 INFO L139 ounterexampleChecker]: Examining path program with hash 2116285414, occurence #2 [2024-11-21 11:30:07,802 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 11:30:07,802 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2024-11-21 11:30:07,802 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 11:30:07,803 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 11:30:07,803 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 11:30:07,803 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 11:30:07,803 INFO L85 PathProgramCache]: Analyzing trace with hash 1411219918, now seen corresponding path program 1 times [2024-11-21 11:30:07,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 11:30:07,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086270914] [2024-11-21 11:30:07,803 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 11:30:07,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 11:30:07,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 11:30:07,961 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 11:30:07,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 11:30:07,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086270914] [2024-11-21 11:30:07,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2086270914] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 11:30:07,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1793061685] [2024-11-21 11:30:07,964 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 11:30:07,964 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 11:30:07,965 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 11:30:07,979 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 11:30:07,980 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-21 11:30:08,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 11:30:08,117 INFO L256 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-21 11:30:08,121 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 11:30:08,142 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 11:30:08,143 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 11:30:08,164 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 11:30:08,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1793061685] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 11:30:08,165 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 11:30:08,165 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-21 11:30:08,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266580937] [2024-11-21 11:30:08,166 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 11:30:08,167 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-21 11:30:08,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 11:30:08,168 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-21 11:30:08,169 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-21 11:30:08,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:30:08,169 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 11:30:08,169 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 11:30:08,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:30:08,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:30:08,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:30:08,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:30:08,292 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-21 11:30:08,473 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 11:30:08,474 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 11:30:08,474 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 11:30:08,474 INFO L139 ounterexampleChecker]: Examining path program with hash 2116285414, occurence #3 [2024-11-21 11:30:08,474 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 11:30:08,474 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2024-11-21 11:30:08,474 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 11:30:08,474 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 11:30:08,474 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 11:30:08,475 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 11:30:08,475 INFO L85 PathProgramCache]: Analyzing trace with hash 246640343, now seen corresponding path program 2 times [2024-11-21 11:30:08,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 11:30:08,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450573511] [2024-11-21 11:30:08,475 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 11:30:08,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 11:30:08,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 11:30:08,716 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 11:30:08,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 11:30:08,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450573511] [2024-11-21 11:30:08,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [450573511] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 11:30:08,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [993451972] [2024-11-21 11:30:08,717 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-21 11:30:08,717 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 11:30:08,717 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 11:30:08,720 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 11:30:08,722 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-21 11:30:08,861 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-21 11:30:08,862 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 11:30:08,863 INFO L256 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-21 11:30:08,865 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 11:30:08,984 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-21 11:30:08,986 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2024-11-21 11:30:09,036 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 16 [2024-11-21 11:30:09,205 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 16 [2024-11-21 11:30:09,296 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-21 11:30:09,297 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-21 11:30:09,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [993451972] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 11:30:09,299 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-21 11:30:09,299 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 12 [2024-11-21 11:30:09,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847289461] [2024-11-21 11:30:09,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 11:30:09,300 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-21 11:30:09,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 11:30:09,301 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-21 11:30:09,301 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2024-11-21 11:30:09,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:30:09,301 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 11:30:09,301 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.25) internal successors, (18), 7 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 11:30:09,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:30:09,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:30:09,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:30:09,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:30:09,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:30:09,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:30:09,533 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-21 11:30:09,720 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 11:30:09,720 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 11:30:09,721 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 11:30:09,721 INFO L139 ounterexampleChecker]: Examining path program with hash -258129998, occurence #1 [2024-11-21 11:30:09,721 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 11:30:09,721 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 11:30:09,721 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 11:30:09,721 INFO L85 PathProgramCache]: Analyzing trace with hash -1451463117, now seen corresponding path program 1 times [2024-11-21 11:30:09,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 11:30:09,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644690032] [2024-11-21 11:30:09,722 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 11:30:09,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 11:30:09,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 11:30:09,883 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-21 11:30:09,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 11:30:09,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1644690032] [2024-11-21 11:30:09,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1644690032] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 11:30:09,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1716274656] [2024-11-21 11:30:09,883 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 11:30:09,883 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 11:30:09,884 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 11:30:09,886 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 11:30:09,887 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-21 11:30:10,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 11:30:10,010 INFO L256 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-21 11:30:10,012 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 11:30:10,033 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-21 11:30:10,034 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 11:30:10,122 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-21 11:30:10,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1716274656] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 11:30:10,123 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 11:30:10,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2024-11-21 11:30:10,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926895262] [2024-11-21 11:30:10,123 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 11:30:10,124 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-21 11:30:10,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 11:30:10,124 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-21 11:30:10,124 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2024-11-21 11:30:10,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:30:10,125 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 11:30:10,125 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.3846153846153846) internal successors, (44), 12 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 11:30:10,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:30:10,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:30:10,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:30:10,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:30:10,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:30:10,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:30:10,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:30:10,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:30:10,229 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-21 11:30:10,413 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 11:30:10,414 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 11:30:10,414 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 11:30:10,414 INFO L139 ounterexampleChecker]: Examining path program with hash -258129998, occurence #2 [2024-11-21 11:30:10,414 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 11:30:10,414 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-21 11:30:10,414 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 11:30:10,414 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-11-21 11:30:10,414 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:10,414 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-11-21 11:30:10,414 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:10,414 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-11-21 11:30:10,414 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:10,414 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-11-21 11:30:10,414 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:10,414 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-11-21 11:30:10,414 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:10,414 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 11:30:10,415 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 11:30:10,415 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 11:30:10,415 INFO L85 PathProgramCache]: Analyzing trace with hash 793455315, now seen corresponding path program 2 times [2024-11-21 11:30:10,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 11:30:10,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301688135] [2024-11-21 11:30:10,415 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 11:30:10,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 11:30:10,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 11:30:11,443 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-21 11:30:11,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 11:30:11,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301688135] [2024-11-21 11:30:11,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1301688135] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 11:30:11,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [794888794] [2024-11-21 11:30:11,444 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-21 11:30:11,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 11:30:11,445 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 11:30:11,447 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 11:30:11,449 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-21 11:30:11,590 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-21 11:30:11,590 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 11:30:11,593 INFO L256 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-21 11:30:11,596 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 11:30:11,689 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-21 11:30:11,689 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2024-11-21 11:30:11,723 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-21 11:30:11,875 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-21 11:30:11,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:30:11,969 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-21 11:30:12,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:30:12,040 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 25 treesize of output 20 [2024-11-21 11:30:12,215 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-21 11:30:12,216 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 11:30:12,409 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_236 Int) (v_ArrVal_234 (Array Int 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_236 (- 1))))) |c_~#cache~0.base|) (+ (* |c_t_funThread1of1ForFork0_~i~0#1| 28) 28 |c_~#cache~0.offset|)) 0)) is different from false [2024-11-21 11:30:12,493 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_234 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_234) |c_~#cache~0.base|) (+ (* |c_t_funThread1of1ForFork0_~i~0#1| 28) 28 |c_~#cache~0.offset|)) 0)) is different from false [2024-11-21 11:30:12,498 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_234 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_234) |c_~#cache~0.base|) (+ 28 |c_~#cache~0.offset|)) 0)) is different from false [2024-11-21 11:30:12,622 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-21 11:30:12,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [794888794] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 11:30:12,622 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 11:30:12,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 12] total 27 [2024-11-21 11:30:12,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114053004] [2024-11-21 11:30:12,623 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 11:30:12,623 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-11-21 11:30:12,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 11:30:12,624 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-11-21 11:30:12,625 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=500, Unknown=8, NotChecked=144, Total=756 [2024-11-21 11:30:12,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:30:12,625 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 11:30:12,626 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 3.6785714285714284) internal successors, (103), 27 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 11:30:12,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:30:12,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:30:12,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:30:12,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:30:12,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:30:13,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:30:13,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:30:13,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:30:13,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:30:13,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 11:30:13,069 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-21 11:30:13,258 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 11:30:13,258 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 11:30:13,259 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 11:30:13,259 INFO L139 ounterexampleChecker]: Examining path program with hash -258129998, occurence #3 [2024-11-21 11:30:13,259 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 11:30:13,259 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-21 11:30:13,259 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 11:30:13,259 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-11-21 11:30:13,259 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:13,259 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-11-21 11:30:13,259 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:13,259 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-11-21 11:30:13,259 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:13,259 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-11-21 11:30:13,259 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:13,259 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-11-21 11:30:13,259 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:13,259 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2024-11-21 11:30:13,259 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:13,259 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2024-11-21 11:30:13,259 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:13,260 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2024-11-21 11:30:13,260 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:13,260 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2024-11-21 11:30:13,260 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:13,260 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2024-11-21 11:30:13,260 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:13,260 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 11:30:13,260 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 11:30:13,260 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 11:30:13,260 INFO L85 PathProgramCache]: Analyzing trace with hash -1166388177, now seen corresponding path program 3 times [2024-11-21 11:30:13,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 11:30:13,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226060154] [2024-11-21 11:30:13,260 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 11:30:13,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 11:30:13,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 11:30:14,379 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-21 11:30:14,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 11:30:14,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1226060154] [2024-11-21 11:30:14,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1226060154] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 11:30:14,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [240330409] [2024-11-21 11:30:14,380 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-21 11:30:14,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 11:30:14,381 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 11:30:14,383 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 11:30:14,385 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-21 11:30:14,586 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-21 11:30:14,586 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 11:30:14,589 INFO L256 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 51 conjuncts are in the unsatisfiable core [2024-11-21 11:30:14,593 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 11:30:14,688 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-21 11:30:14,688 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2024-11-21 11:30:14,719 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-21 11:30:14,848 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-21 11:30:14,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:30:14,945 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 11:30:15,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:30:15,008 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 25 treesize of output 20 [2024-11-21 11:30:15,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:30:15,204 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-21 11:30:15,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:30:15,253 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 25 treesize of output 20 [2024-11-21 11:30:15,422 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-21 11:30:15,422 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 11:30:15,780 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_364 Int) (v_ArrVal_363 (Array Int Int))) (= (select (select (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_363))) (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_364 (- 1))))) |c_~#cache~0.base|) (+ 56 (* |c_t_funThread1of1ForFork0_~i~0#1| 28) |c_~#cache~0.offset|)) 0)) is different from false [2024-11-21 11:30:15,805 WARN L851 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_31| Int) (v_ArrVal_363 (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_363) |c_~#cache~0.base|) (+ 56 .cse0 |c_~#cache~0.offset|)) 0) (< (+ .cse0 |c_~#cache~0.offset|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_31|)))) is different from false [2024-11-21 11:30:15,953 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-21 11:30:15,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [240330409] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 11:30:15,953 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 11:30:15,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 15] total 34 [2024-11-21 11:30:15,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793203231] [2024-11-21 11:30:15,954 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 11:30:15,954 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2024-11-21 11:30:15,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 11:30:15,955 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2024-11-21 11:30:15,956 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=138, Invalid=916, Unknown=10, NotChecked=126, Total=1190 [2024-11-21 11:30:15,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:30:15,956 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 11:30:15,956 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 4.685714285714286) internal successors, (164), 34 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 11:30:15,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:30:15,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:30:15,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:30:15,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:30:15,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 11:30:15,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:30:16,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:30:16,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:30:16,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:30:16,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:30:16,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 11:30:16,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 11:30:16,471 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-21 11:30:16,653 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-21 11:30:16,653 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 11:30:16,653 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 11:30:16,655 INFO L139 ounterexampleChecker]: Examining path program with hash -258129998, occurence #4 [2024-11-21 11:30:16,655 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 11:30:16,655 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-21 11:30:16,655 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 11:30:16,655 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-11-21 11:30:16,655 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:16,656 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-11-21 11:30:16,656 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:16,656 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-11-21 11:30:16,656 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:16,656 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-11-21 11:30:16,656 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:16,656 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-11-21 11:30:16,656 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:16,656 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2024-11-21 11:30:16,656 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:16,656 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2024-11-21 11:30:16,656 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:16,656 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2024-11-21 11:30:16,656 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:16,656 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2024-11-21 11:30:16,656 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:16,656 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2024-11-21 11:30:16,656 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:16,656 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2024-11-21 11:30:16,656 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:16,656 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2024-11-21 11:30:16,656 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:16,656 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2024-11-21 11:30:16,656 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:16,656 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2024-11-21 11:30:16,656 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:16,656 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2024-11-21 11:30:16,656 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:16,656 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 11:30:16,656 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 11:30:16,657 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 11:30:16,657 INFO L85 PathProgramCache]: Analyzing trace with hash -562874485, now seen corresponding path program 4 times [2024-11-21 11:30:16,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 11:30:16,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362164188] [2024-11-21 11:30:16,657 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 11:30:16,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 11:30:16,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 11:30:18,109 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-21 11:30:18,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 11:30:18,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362164188] [2024-11-21 11:30:18,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1362164188] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 11:30:18,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1546986857] [2024-11-21 11:30:18,110 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-21 11:30:18,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 11:30:18,110 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 11:30:18,112 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 11:30:18,114 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-21 11:30:18,351 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-21 11:30:18,351 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 11:30:18,354 INFO L256 TraceCheckSpWp]: Trace formula consists of 538 conjuncts, 68 conjuncts are in the unsatisfiable core [2024-11-21 11:30:18,359 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 11:30:18,438 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-21 11:30:18,438 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2024-11-21 11:30:18,467 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-21 11:30:18,587 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-21 11:30:18,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:30:18,717 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-21 11:30:18,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:30:18,788 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 25 treesize of output 20 [2024-11-21 11:30:19,020 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-21 11:30:19,085 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 25 treesize of output 20 [2024-11-21 11:30:19,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:30:19,289 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 23 treesize of output 11 [2024-11-21 11:30:19,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:30:19,338 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 25 treesize of output 20 [2024-11-21 11:30:19,468 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-21 11:30:19,468 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 11:30:20,197 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-21 11:30:20,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1546986857] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 11:30:20,198 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 11:30:20,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 17] total 40 [2024-11-21 11:30:20,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767141631] [2024-11-21 11:30:20,198 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 11:30:20,198 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2024-11-21 11:30:20,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 11:30:20,199 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2024-11-21 11:30:20,200 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=168, Invalid=1447, Unknown=25, NotChecked=0, Total=1640 [2024-11-21 11:30:20,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:30:20,201 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 11:30:20,201 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 41 states have (on average 5.439024390243903) internal successors, (223), 40 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 11:30:20,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:30:20,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:30:20,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:30:20,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:30:20,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 11:30:20,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 11:30:20,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:30:20,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:30:20,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:30:20,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:30:20,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:30:20,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 11:30:20,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 11:30:20,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 11:30:20,953 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-21 11:30:21,139 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 11:30:21,139 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 11:30:21,139 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 11:30:21,139 INFO L139 ounterexampleChecker]: Examining path program with hash -258129998, occurence #5 [2024-11-21 11:30:21,139 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 11:30:21,139 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-21 11:30:21,139 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 11:30:21,139 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-11-21 11:30:21,139 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:21,140 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-11-21 11:30:21,140 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:21,140 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-11-21 11:30:21,140 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:21,140 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-11-21 11:30:21,140 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:21,140 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-11-21 11:30:21,140 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:21,140 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2024-11-21 11:30:21,140 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:21,140 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2024-11-21 11:30:21,140 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:21,140 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2024-11-21 11:30:21,140 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:21,140 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2024-11-21 11:30:21,140 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:21,140 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2024-11-21 11:30:21,140 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:21,140 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2024-11-21 11:30:21,140 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:21,140 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2024-11-21 11:30:21,140 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:21,140 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2024-11-21 11:30:21,140 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:21,140 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2024-11-21 11:30:21,140 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:21,140 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2024-11-21 11:30:21,140 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:21,140 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2024-11-21 11:30:21,140 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:21,140 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2024-11-21 11:30:21,140 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:21,141 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 94 [2024-11-21 11:30:21,141 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:21,141 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 95 [2024-11-21 11:30:21,141 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:21,141 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 97 [2024-11-21 11:30:21,141 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:21,141 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 11:30:21,141 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 11:30:21,141 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 11:30:21,141 INFO L85 PathProgramCache]: Analyzing trace with hash 2132071655, now seen corresponding path program 5 times [2024-11-21 11:30:21,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 11:30:21,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595293878] [2024-11-21 11:30:21,141 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 11:30:21,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 11:30:21,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 11:30:22,829 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 0 proven. 128 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-21 11:30:22,830 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 11:30:22,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595293878] [2024-11-21 11:30:22,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [595293878] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 11:30:22,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [895900967] [2024-11-21 11:30:22,830 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-21 11:30:22,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 11:30:22,830 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 11:30:22,832 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 11:30:22,834 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-21 11:30:28,819 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2024-11-21 11:30:28,819 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 11:30:28,829 INFO L256 TraceCheckSpWp]: Trace formula consists of 610 conjuncts, 75 conjuncts are in the unsatisfiable core [2024-11-21 11:30:28,833 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 11:30:28,895 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-21 11:30:28,895 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2024-11-21 11:30:28,919 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-21 11:30:29,021 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-21 11:30:29,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:30:29,093 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-21 11:30:29,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:30:29,131 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 25 treesize of output 20 [2024-11-21 11:30:29,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:30:29,326 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-21 11:30:29,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:30:29,372 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 25 treesize of output 20 [2024-11-21 11:30:29,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:30:29,515 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-21 11:30:29,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:30:29,557 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 25 treesize of output 20 [2024-11-21 11:30:29,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:30:29,692 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-21 11:30:29,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:30:29,731 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 25 treesize of output 20 [2024-11-21 11:30:29,854 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 0 proven. 128 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-21 11:30:29,854 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 11:30:30,644 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_726 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_726) |c_~#cache~0.base|) (+ 112 (* |c_t_funThread1of1ForFork0_~i~0#1| 28) |c_~#cache~0.offset|)) 0)) is different from false [2024-11-21 11:30:30,793 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 0 proven. 128 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-21 11:30:30,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [895900967] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 11:30:30,793 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 11:30:30,793 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 21] total 48 [2024-11-21 11:30:30,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021193322] [2024-11-21 11:30:30,793 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 11:30:30,794 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2024-11-21 11:30:30,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 11:30:30,795 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2024-11-21 11:30:30,796 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=199, Invalid=2017, Unknown=44, NotChecked=92, Total=2352 [2024-11-21 11:30:30,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:30:30,796 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 11:30:30,797 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 49 states have (on average 5.795918367346939) internal successors, (284), 48 states have internal predecessors, (284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 11:30:30,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:30:30,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:30:30,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:30:30,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:30:30,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 11:30:30,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 11:30:30,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 11:30:30,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:30:31,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:30:31,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:30:31,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:30:31,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:30:31,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 11:30:31,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 11:30:31,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 11:30:31,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 11:30:31,653 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-21 11:30:31,837 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 11:30:31,837 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 11:30:31,837 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 11:30:31,837 INFO L139 ounterexampleChecker]: Examining path program with hash -258129998, occurence #6 [2024-11-21 11:30:31,837 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 11:30:31,837 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-21 11:30:31,837 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 11:30:31,838 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-11-21 11:30:31,838 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:31,838 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-11-21 11:30:31,838 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:31,838 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-11-21 11:30:31,838 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:31,838 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-11-21 11:30:31,838 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:31,838 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-11-21 11:30:31,838 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:31,838 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2024-11-21 11:30:31,838 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:31,838 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2024-11-21 11:30:31,838 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:31,838 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2024-11-21 11:30:31,838 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:31,838 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2024-11-21 11:30:31,838 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:31,838 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2024-11-21 11:30:31,838 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:31,838 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2024-11-21 11:30:31,838 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:31,838 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2024-11-21 11:30:31,838 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:31,838 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2024-11-21 11:30:31,838 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:31,838 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2024-11-21 11:30:31,838 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:31,838 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2024-11-21 11:30:31,838 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:31,838 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2024-11-21 11:30:31,839 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:31,839 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2024-11-21 11:30:31,839 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:31,839 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 94 [2024-11-21 11:30:31,839 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:31,839 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 95 [2024-11-21 11:30:31,839 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:31,839 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 97 [2024-11-21 11:30:31,839 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:31,839 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 108 [2024-11-21 11:30:31,839 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:31,839 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 113 [2024-11-21 11:30:31,839 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:31,839 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 114 [2024-11-21 11:30:31,839 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:31,839 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 115 [2024-11-21 11:30:31,839 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:31,839 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 117 [2024-11-21 11:30:31,839 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:31,839 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 11:30:31,839 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 11:30:31,839 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 11:30:31,840 INFO L85 PathProgramCache]: Analyzing trace with hash -625071037, now seen corresponding path program 6 times [2024-11-21 11:30:31,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 11:30:31,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602672923] [2024-11-21 11:30:31,840 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 11:30:31,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 11:30:31,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 11:30:33,805 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-21 11:30:33,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 11:30:33,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602672923] [2024-11-21 11:30:33,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1602672923] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 11:30:33,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [576747514] [2024-11-21 11:30:33,806 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-21 11:30:33,806 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 11:30:33,806 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 11:30:33,808 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 11:30:33,810 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-21 11:30:35,499 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2024-11-21 11:30:35,500 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 11:30:35,505 INFO L256 TraceCheckSpWp]: Trace formula consists of 682 conjuncts, 90 conjuncts are in the unsatisfiable core [2024-11-21 11:30:35,510 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 11:30:35,571 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-21 11:30:35,571 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2024-11-21 11:30:35,596 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-21 11:30:35,695 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-21 11:30:35,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:30:35,764 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-21 11:30:35,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:30:35,804 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 25 treesize of output 20 [2024-11-21 11:30:35,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:30:35,954 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-21 11:30:36,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:30:36,001 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 25 treesize of output 20 [2024-11-21 11:30:36,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:30:36,130 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-21 11:30:36,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:30:36,183 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 25 treesize of output 20 [2024-11-21 11:30:36,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:30:36,324 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-21 11:30:36,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:30:36,369 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 25 treesize of output 20 [2024-11-21 11:30:36,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:30:36,506 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-21 11:30:36,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:30:36,562 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 25 treesize of output 20 [2024-11-21 11:30:36,680 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-21 11:30:36,680 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 11:30:37,492 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_961 Int) (v_ArrVal_960 (Array Int Int))) (= (select (select (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_960))) (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_961 (- 1))))) |c_~#cache~0.base|) (+ 140 (* |c_t_funThread1of1ForFork0_~i~0#1| 28) |c_~#cache~0.offset|)) 0)) is different from false [2024-11-21 11:30:37,516 WARN L851 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_61| Int) (v_ArrVal_960 (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_960) |c_~#cache~0.base|) (+ 140 .cse0 |c_~#cache~0.offset|)) 0)))) is different from false [2024-11-21 11:30:37,734 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-21 11:30:37,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [576747514] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 11:30:37,734 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 11:30:37,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 24] total 55 [2024-11-21 11:30:37,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087399581] [2024-11-21 11:30:37,734 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 11:30:37,735 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 56 states [2024-11-21 11:30:37,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 11:30:37,736 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2024-11-21 11:30:37,737 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=226, Invalid=2619, Unknown=25, NotChecked=210, Total=3080 [2024-11-21 11:30:37,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:30:37,737 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 11:30:37,738 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 56 states, 56 states have (on average 6.125) internal successors, (343), 55 states have internal predecessors, (343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 11:30:37,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:30:37,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:30:37,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:30:37,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:30:37,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 11:30:37,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 11:30:37,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 11:30:37,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 11:30:37,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:30:38,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:30:38,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:30:38,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:30:38,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:30:38,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 11:30:38,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 11:30:38,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 11:30:38,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 11:30:38,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 11:30:38,868 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-21 11:30:39,047 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 11:30:39,047 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 11:30:39,048 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 11:30:39,048 INFO L139 ounterexampleChecker]: Examining path program with hash -258129998, occurence #7 [2024-11-21 11:30:39,048 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 11:30:39,048 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-21 11:30:39,048 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 11:30:39,048 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-11-21 11:30:39,048 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:39,048 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-11-21 11:30:39,048 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:39,048 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-11-21 11:30:39,048 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:39,048 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-11-21 11:30:39,048 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:39,048 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-11-21 11:30:39,048 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:39,048 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2024-11-21 11:30:39,048 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:39,048 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2024-11-21 11:30:39,048 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:39,049 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2024-11-21 11:30:39,049 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:39,049 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2024-11-21 11:30:39,049 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:39,049 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2024-11-21 11:30:39,049 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:39,049 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2024-11-21 11:30:39,049 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:39,049 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2024-11-21 11:30:39,049 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:39,049 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2024-11-21 11:30:39,049 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:39,049 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2024-11-21 11:30:39,049 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:39,049 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2024-11-21 11:30:39,049 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:39,049 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2024-11-21 11:30:39,049 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:39,049 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2024-11-21 11:30:39,049 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:39,049 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 94 [2024-11-21 11:30:39,049 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:39,049 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 95 [2024-11-21 11:30:39,049 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:39,049 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 97 [2024-11-21 11:30:39,049 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:39,049 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 108 [2024-11-21 11:30:39,049 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:39,049 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 113 [2024-11-21 11:30:39,049 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:39,049 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 114 [2024-11-21 11:30:39,049 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:39,050 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 115 [2024-11-21 11:30:39,050 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:39,050 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 117 [2024-11-21 11:30:39,050 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:39,050 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 128 [2024-11-21 11:30:39,050 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:39,050 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 133 [2024-11-21 11:30:39,050 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:39,050 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 134 [2024-11-21 11:30:39,050 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:39,050 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 135 [2024-11-21 11:30:39,050 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:39,050 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 137 [2024-11-21 11:30:39,050 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:39,050 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 11:30:39,050 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 11:30:39,050 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 11:30:39,050 INFO L85 PathProgramCache]: Analyzing trace with hash 1246641567, now seen corresponding path program 7 times [2024-11-21 11:30:39,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 11:30:39,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760535285] [2024-11-21 11:30:39,051 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 11:30:39,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 11:30:39,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 11:30:41,251 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 0 proven. 312 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-21 11:30:41,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 11:30:41,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1760535285] [2024-11-21 11:30:41,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1760535285] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 11:30:41,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1934744774] [2024-11-21 11:30:41,251 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-21 11:30:41,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 11:30:41,252 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 11:30:41,253 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 11:30:41,254 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-21 11:30:41,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 11:30:41,449 INFO L256 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 102 conjuncts are in the unsatisfiable core [2024-11-21 11:30:41,453 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 11:30:41,510 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-21 11:30:41,511 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2024-11-21 11:30:41,535 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-21 11:30:41,649 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-21 11:30:41,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:30:41,713 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-21 11:30:41,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:30:41,761 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 25 treesize of output 20 [2024-11-21 11:30:41,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:30:41,931 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-21 11:30:41,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:30:41,971 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 25 treesize of output 20 [2024-11-21 11:30:42,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:30:42,108 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-21 11:30:42,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:30:42,150 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 25 treesize of output 20 [2024-11-21 11:30:42,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:30:42,340 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-21 11:30:42,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:30:42,385 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 25 treesize of output 20 [2024-11-21 11:30:42,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:30:42,525 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-21 11:30:42,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:30:42,566 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 25 treesize of output 20 [2024-11-21 11:30:42,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:30:42,713 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-21 11:30:42,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:30:42,752 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 25 treesize of output 20 [2024-11-21 11:30:42,868 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 0 proven. 312 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-21 11:30:42,868 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 11:30:44,177 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1229 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1229) |c_~#cache~0.base|) (+ (* |c_t_funThread1of1ForFork0_~i~0#1| 28) 168 |c_~#cache~0.offset|)) 0)) is different from false [2024-11-21 11:30:44,314 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 0 proven. 312 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-21 11:30:44,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1934744774] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 11:30:44,314 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 11:30:44,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20, 27] total 62 [2024-11-21 11:30:44,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350791412] [2024-11-21 11:30:44,314 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 11:30:44,315 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2024-11-21 11:30:44,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 11:30:44,316 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2024-11-21 11:30:44,317 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=257, Invalid=3474, Unknown=55, NotChecked=120, Total=3906 [2024-11-21 11:30:44,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:30:44,318 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 11:30:44,318 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 6.396825396825397) internal successors, (403), 62 states have internal predecessors, (403), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 11:30:44,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:30:44,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:30:44,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:30:44,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:30:44,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 11:30:44,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 11:30:44,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 11:30:44,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 11:30:44,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 11:30:44,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:30:45,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:30:45,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:30:45,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:30:45,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:30:45,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 11:30:45,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 11:30:45,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 11:30:45,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 11:30:45,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 11:30:45,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 11:30:45,975 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-21 11:30:46,163 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-21 11:30:46,163 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 11:30:46,163 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 11:30:46,164 INFO L139 ounterexampleChecker]: Examining path program with hash -258129998, occurence #8 [2024-11-21 11:30:46,164 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 11:30:46,164 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-21 11:30:46,164 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 11:30:46,164 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-11-21 11:30:46,164 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:46,164 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-11-21 11:30:46,164 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:46,164 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-11-21 11:30:46,164 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:46,164 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-11-21 11:30:46,164 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:46,164 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-11-21 11:30:46,164 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:46,164 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2024-11-21 11:30:46,164 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:46,164 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2024-11-21 11:30:46,164 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:46,164 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2024-11-21 11:30:46,164 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:46,164 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2024-11-21 11:30:46,164 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:46,164 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2024-11-21 11:30:46,164 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:46,164 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2024-11-21 11:30:46,164 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:46,165 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2024-11-21 11:30:46,165 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:46,165 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2024-11-21 11:30:46,165 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:46,165 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2024-11-21 11:30:46,165 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:46,165 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2024-11-21 11:30:46,165 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:46,165 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2024-11-21 11:30:46,165 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:46,165 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2024-11-21 11:30:46,165 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:46,165 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 94 [2024-11-21 11:30:46,165 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:46,165 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 95 [2024-11-21 11:30:46,165 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:46,165 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 97 [2024-11-21 11:30:46,165 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:46,165 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 108 [2024-11-21 11:30:46,165 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:46,165 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 113 [2024-11-21 11:30:46,165 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:46,165 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 114 [2024-11-21 11:30:46,165 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:46,166 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 115 [2024-11-21 11:30:46,166 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:46,166 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 117 [2024-11-21 11:30:46,166 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:46,166 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 128 [2024-11-21 11:30:46,166 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:46,166 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 133 [2024-11-21 11:30:46,166 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:46,166 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 134 [2024-11-21 11:30:46,166 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:46,166 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 135 [2024-11-21 11:30:46,166 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:46,166 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 137 [2024-11-21 11:30:46,166 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:46,166 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 148 [2024-11-21 11:30:46,166 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:46,166 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 153 [2024-11-21 11:30:46,166 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:46,166 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 154 [2024-11-21 11:30:46,166 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:46,166 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 155 [2024-11-21 11:30:46,166 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:46,166 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 157 [2024-11-21 11:30:46,166 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:46,166 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 11:30:46,166 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 11:30:46,166 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 11:30:46,167 INFO L85 PathProgramCache]: Analyzing trace with hash 19138811, now seen corresponding path program 8 times [2024-11-21 11:30:46,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 11:30:46,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861728451] [2024-11-21 11:30:46,167 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 11:30:46,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 11:30:46,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 11:30:48,597 INFO L134 CoverageAnalysis]: Checked inductivity of 489 backedges. 0 proven. 434 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-21 11:30:48,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 11:30:48,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861728451] [2024-11-21 11:30:48,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [861728451] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 11:30:48,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1756163889] [2024-11-21 11:30:48,598 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-21 11:30:48,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 11:30:48,598 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 11:30:48,600 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 11:30:48,601 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-21 11:30:48,815 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-21 11:30:48,815 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 11:30:48,818 INFO L256 TraceCheckSpWp]: Trace formula consists of 826 conjuncts, 114 conjuncts are in the unsatisfiable core [2024-11-21 11:30:48,823 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 11:30:48,901 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-21 11:30:48,901 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2024-11-21 11:30:48,927 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-21 11:30:49,028 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-21 11:30:49,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:30:49,100 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-21 11:30:49,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:30:49,141 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 25 treesize of output 20 [2024-11-21 11:30:49,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:30:49,311 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-21 11:30:49,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:30:49,359 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 25 treesize of output 20 [2024-11-21 11:30:49,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:30:49,566 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-21 11:30:49,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:30:49,613 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 25 treesize of output 20 [2024-11-21 11:30:49,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:30:49,780 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-21 11:30:49,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:30:49,825 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 25 treesize of output 20 [2024-11-21 11:30:50,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:30:50,017 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-21 11:30:50,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:30:50,070 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 25 treesize of output 20 [2024-11-21 11:30:50,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:30:50,242 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-21 11:30:50,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:30:50,298 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 25 treesize of output 20 [2024-11-21 11:30:50,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:30:50,457 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-21 11:30:50,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:30:50,501 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 25 treesize of output 20 [2024-11-21 11:30:50,629 INFO L134 CoverageAnalysis]: Checked inductivity of 489 backedges. 0 proven. 434 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-21 11:30:50,629 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 11:30:53,296 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1533 (Array Int Int)) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_91| Int)) (let ((.cse0 (* |c_t_funThread1of1ForFork0_~i~0#1| 28))) (or (< (+ .cse0 |c_~#cache~0.offset|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_91|) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1533) |c_~#cache~0.base|) (+ 196 .cse0 |c_~#cache~0.offset|)) 0)))) is different from false [2024-11-21 11:30:53,299 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1533 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1533) |c_~#cache~0.base|) (+ 196 (* |c_t_funThread1of1ForFork0_~i~0#1| 28) |c_~#cache~0.offset|)) 0)) is different from false [2024-11-21 11:30:53,304 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1533 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1533) |c_~#cache~0.base|) (+ 196 |c_~#cache~0.offset|)) 0)) is different from false [2024-11-21 11:30:53,420 INFO L134 CoverageAnalysis]: Checked inductivity of 489 backedges. 0 proven. 434 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-21 11:30:53,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1756163889] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 11:30:53,420 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 11:30:53,421 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22, 30] total 69 [2024-11-21 11:30:53,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350111974] [2024-11-21 11:30:53,421 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 11:30:53,421 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 70 states [2024-11-21 11:30:53,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 11:30:53,423 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2024-11-21 11:30:53,425 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=277, Invalid=4134, Unknown=23, NotChecked=396, Total=4830 [2024-11-21 11:30:53,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:30:53,425 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 11:30:53,426 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 70 states, 70 states have (on average 6.614285714285714) internal successors, (463), 69 states have internal predecessors, (463), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 11:30:53,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:30:53,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:30:53,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:30:53,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:30:53,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 11:30:53,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 11:30:53,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 11:30:53,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 11:30:53,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 11:30:53,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-21 11:30:53,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:30:55,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:30:55,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:30:55,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:30:55,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:30:55,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 11:30:55,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 11:30:55,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 11:30:55,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 11:30:55,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 11:30:55,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 11:30:55,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-21 11:30:55,266 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-21 11:30:55,453 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-21 11:30:55,453 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 11:30:55,453 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 11:30:55,454 INFO L139 ounterexampleChecker]: Examining path program with hash -258129998, occurence #9 [2024-11-21 11:30:55,454 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 11:30:55,454 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-21 11:30:55,454 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 11:30:55,454 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-11-21 11:30:55,454 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:55,454 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-11-21 11:30:55,454 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:55,454 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-11-21 11:30:55,454 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:55,454 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-11-21 11:30:55,454 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:55,454 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-11-21 11:30:55,454 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:55,454 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2024-11-21 11:30:55,454 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:55,454 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2024-11-21 11:30:55,454 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:55,454 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2024-11-21 11:30:55,454 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:55,454 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2024-11-21 11:30:55,454 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:55,454 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2024-11-21 11:30:55,454 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:55,454 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2024-11-21 11:30:55,454 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:55,454 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2024-11-21 11:30:55,455 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:55,455 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2024-11-21 11:30:55,455 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:55,455 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2024-11-21 11:30:55,455 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:55,455 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2024-11-21 11:30:55,455 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:55,455 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2024-11-21 11:30:55,455 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:55,455 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2024-11-21 11:30:55,455 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:55,455 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 94 [2024-11-21 11:30:55,455 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:55,455 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 95 [2024-11-21 11:30:55,455 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:55,455 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 97 [2024-11-21 11:30:55,455 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:55,455 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 108 [2024-11-21 11:30:55,455 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:55,455 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 113 [2024-11-21 11:30:55,455 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:55,455 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 114 [2024-11-21 11:30:55,455 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:55,455 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 115 [2024-11-21 11:30:55,455 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:55,455 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 117 [2024-11-21 11:30:55,455 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:55,455 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 128 [2024-11-21 11:30:55,455 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:55,455 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 133 [2024-11-21 11:30:55,455 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:55,455 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 134 [2024-11-21 11:30:55,455 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:55,456 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 135 [2024-11-21 11:30:55,456 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:55,456 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 137 [2024-11-21 11:30:55,456 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:55,456 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 148 [2024-11-21 11:30:55,456 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:55,456 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 153 [2024-11-21 11:30:55,456 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:55,456 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 154 [2024-11-21 11:30:55,456 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:55,456 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 155 [2024-11-21 11:30:55,456 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:55,456 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 157 [2024-11-21 11:30:55,456 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:55,456 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 168 [2024-11-21 11:30:55,456 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:55,456 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 173 [2024-11-21 11:30:55,456 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:55,456 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 174 [2024-11-21 11:30:55,459 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:55,460 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 175 [2024-11-21 11:30:55,460 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:55,460 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 177 [2024-11-21 11:30:55,460 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:30:55,460 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 11:30:55,460 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 11:30:55,460 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 11:30:55,460 INFO L85 PathProgramCache]: Analyzing trace with hash -853635497, now seen corresponding path program 9 times [2024-11-21 11:30:55,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 11:30:55,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371839362] [2024-11-21 11:30:55,461 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 11:30:55,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 11:30:55,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 11:30:57,992 INFO L134 CoverageAnalysis]: Checked inductivity of 631 backedges. 0 proven. 576 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-21 11:30:57,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 11:30:57,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371839362] [2024-11-21 11:30:57,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1371839362] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 11:30:57,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1444153888] [2024-11-21 11:30:57,993 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-21 11:30:57,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 11:30:57,993 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 11:30:57,994 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 11:30:57,995 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-21 11:31:04,866 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2024-11-21 11:31:04,866 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 11:31:04,877 INFO L256 TraceCheckSpWp]: Trace formula consists of 898 conjuncts, 136 conjuncts are in the unsatisfiable core [2024-11-21 11:31:04,882 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 11:31:04,984 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-21 11:31:04,984 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2024-11-21 11:31:05,014 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 16 [2024-11-21 11:31:05,142 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 16 [2024-11-21 11:31:05,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:31:05,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:31:05,239 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2024-11-21 11:31:05,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:31:05,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:31:05,313 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 30 [2024-11-21 11:31:05,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:31:05,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:31:05,579 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2024-11-21 11:31:05,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:31:05,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:31:05,630 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 30 [2024-11-21 11:31:05,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:31:05,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:31:05,819 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2024-11-21 11:31:05,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:31:05,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:31:05,874 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 30 [2024-11-21 11:31:06,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:31:06,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:31:06,054 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2024-11-21 11:31:06,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:31:06,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:31:06,107 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 30 [2024-11-21 11:31:06,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:31:06,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:31:06,290 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2024-11-21 11:31:06,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:31:06,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:31:06,362 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 30 [2024-11-21 11:31:06,547 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2024-11-21 11:31:06,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:31:06,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:31:06,559 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2024-11-21 11:31:06,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:31:06,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:31:06,613 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 30 [2024-11-21 11:31:06,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:31:06,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:31:06,804 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2024-11-21 11:31:06,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:31:06,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:31:06,856 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 30 [2024-11-21 11:31:07,046 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2024-11-21 11:31:07,135 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2024-11-21 11:31:07,305 INFO L134 CoverageAnalysis]: Checked inductivity of 631 backedges. 0 proven. 576 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-21 11:31:07,305 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 11:31:07,601 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2024-11-21 11:31:08,988 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1872 (Array Int Int)) (v_ArrVal_1874 Int)) (= (select (select (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1872))) (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| (+ (- 1) v_ArrVal_1874)))) |c_~#cache~0.base|) (+ 224 (* |c_t_funThread1of1ForFork0_~i~0#1| 28) |c_~#cache~0.offset|)) 0)) is different from false [2024-11-21 11:31:09,133 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1872 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1872) |c_~#cache~0.base|) (+ 224 (* |c_t_funThread1of1ForFork0_~i~0#1| 28) |c_~#cache~0.offset|)) 0)) is different from false [2024-11-21 11:31:09,305 INFO L134 CoverageAnalysis]: Checked inductivity of 631 backedges. 0 proven. 576 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-21 11:31:09,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1444153888] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 11:31:09,305 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 11:31:09,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 25, 32] total 77 [2024-11-21 11:31:09,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720110903] [2024-11-21 11:31:09,305 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 11:31:09,306 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 78 states [2024-11-21 11:31:09,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 11:31:09,308 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 78 interpolants. [2024-11-21 11:31:09,310 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=351, Invalid=5319, Unknown=38, NotChecked=298, Total=6006 [2024-11-21 11:31:09,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:31:09,310 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 11:31:09,310 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 78 states, 78 states have (on average 6.730769230769231) internal successors, (525), 77 states have internal predecessors, (525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 11:31:09,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:31:09,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:31:09,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:31:09,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:31:09,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 11:31:09,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 11:31:09,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 11:31:09,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 11:31:09,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 11:31:09,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-21 11:31:09,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-21 11:31:09,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:31:11,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:31:11,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:31:11,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:31:11,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:31:11,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 11:31:11,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 11:31:11,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 11:31:11,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 11:31:11,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 11:31:11,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 11:31:11,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-21 11:31:11,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-21 11:31:11,423 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-21 11:31:11,605 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,13 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 11:31:11,605 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 11:31:11,605 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 11:31:11,605 INFO L139 ounterexampleChecker]: Examining path program with hash -258129998, occurence #10 [2024-11-21 11:31:11,605 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 11:31:11,605 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-21 11:31:11,605 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 11:31:11,605 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-11-21 11:31:11,605 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:31:11,606 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-11-21 11:31:11,606 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:31:11,606 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-11-21 11:31:11,606 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:31:11,606 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-11-21 11:31:11,606 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:31:11,606 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-11-21 11:31:11,606 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:31:11,606 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2024-11-21 11:31:11,606 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:31:11,606 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2024-11-21 11:31:11,606 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:31:11,606 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2024-11-21 11:31:11,606 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:31:11,606 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2024-11-21 11:31:11,606 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:31:11,606 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2024-11-21 11:31:11,606 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:31:11,606 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2024-11-21 11:31:11,606 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:31:11,606 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2024-11-21 11:31:11,606 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:31:11,606 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2024-11-21 11:31:11,606 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:31:11,606 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2024-11-21 11:31:11,606 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:31:11,606 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2024-11-21 11:31:11,606 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:31:11,606 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2024-11-21 11:31:11,606 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:31:11,606 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2024-11-21 11:31:11,606 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:31:11,607 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 94 [2024-11-21 11:31:11,607 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:31:11,607 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 95 [2024-11-21 11:31:11,607 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:31:11,607 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 97 [2024-11-21 11:31:11,607 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:31:11,607 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 108 [2024-11-21 11:31:11,607 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:31:11,607 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 113 [2024-11-21 11:31:11,607 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:31:11,607 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 114 [2024-11-21 11:31:11,607 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:31:11,607 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 115 [2024-11-21 11:31:11,607 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:31:11,607 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 117 [2024-11-21 11:31:11,607 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:31:11,607 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 128 [2024-11-21 11:31:11,607 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:31:11,607 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 133 [2024-11-21 11:31:11,607 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:31:11,607 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 134 [2024-11-21 11:31:11,607 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:31:11,607 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 135 [2024-11-21 11:31:11,607 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:31:11,607 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 137 [2024-11-21 11:31:11,607 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:31:11,607 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 148 [2024-11-21 11:31:11,607 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:31:11,607 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 153 [2024-11-21 11:31:11,607 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:31:11,607 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 154 [2024-11-21 11:31:11,607 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:31:11,607 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 155 [2024-11-21 11:31:11,607 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:31:11,607 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 157 [2024-11-21 11:31:11,608 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:31:11,608 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 168 [2024-11-21 11:31:11,608 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:31:11,608 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 173 [2024-11-21 11:31:11,608 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:31:11,608 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 174 [2024-11-21 11:31:11,608 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:31:11,608 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 175 [2024-11-21 11:31:11,608 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:31:11,608 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 177 [2024-11-21 11:31:11,608 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:31:11,608 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 188 [2024-11-21 11:31:11,608 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:31:11,608 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 193 [2024-11-21 11:31:11,608 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:31:11,608 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 194 [2024-11-21 11:31:11,608 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:31:11,609 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 195 [2024-11-21 11:31:11,609 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:31:11,609 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 197 [2024-11-21 11:31:11,609 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:31:11,609 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 11:31:11,609 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 11:31:11,609 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 11:31:11,610 INFO L85 PathProgramCache]: Analyzing trace with hash -694366797, now seen corresponding path program 10 times [2024-11-21 11:31:11,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 11:31:11,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210130647] [2024-11-21 11:31:11,610 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 11:31:11,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 11:31:11,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 11:31:14,487 INFO L134 CoverageAnalysis]: Checked inductivity of 793 backedges. 0 proven. 738 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-21 11:31:14,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 11:31:14,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210130647] [2024-11-21 11:31:14,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [210130647] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 11:31:14,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1769876455] [2024-11-21 11:31:14,488 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-21 11:31:14,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 11:31:14,488 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 11:31:14,490 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 11:31:14,491 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-21 11:39:37,226 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-21 11:39:37,227 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 11:39:37,322 INFO L256 TraceCheckSpWp]: Trace formula consists of 970 conjuncts, 144 conjuncts are in the unsatisfiable core [2024-11-21 11:39:37,328 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 11:39:37,386 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-21 11:39:37,386 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2024-11-21 11:39:37,417 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-21 11:39:37,529 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-21 11:39:37,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:39:37,610 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-21 11:39:37,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:39:37,652 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 25 treesize of output 20 [2024-11-21 11:39:37,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:39:37,841 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-21 11:39:37,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:39:37,881 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 25 treesize of output 20 [2024-11-21 11:39:37,987 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2024-11-21 11:39:38,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:39:38,043 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-21 11:39:38,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:39:38,086 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 25 treesize of output 20 [2024-11-21 11:39:38,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:39:38,251 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-21 11:39:38,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:39:38,291 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 25 treesize of output 20 [2024-11-21 11:39:38,452 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-21 11:39:38,495 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 25 treesize of output 20 [2024-11-21 11:39:38,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:39:38,648 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-21 11:39:38,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:39:38,692 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 25 treesize of output 20 [2024-11-21 11:39:38,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:39:38,847 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-21 11:39:38,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:39:38,892 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 25 treesize of output 20 [2024-11-21 11:39:39,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:39:39,057 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-21 11:39:39,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:39:39,098 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 25 treesize of output 20 [2024-11-21 11:39:39,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:39:39,258 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-21 11:39:39,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:39:39,301 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 25 treesize of output 20 [2024-11-21 11:39:39,455 INFO L134 CoverageAnalysis]: Checked inductivity of 793 backedges. 0 proven. 738 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-21 11:39:39,455 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 11:39:41,000 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 4 [2024-11-21 11:39:44,016 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2247 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_2247) |c_~#cache~0.base|) (+ 252 (* |c_t_funThread1of1ForFork0_~i~0#1| 28) |c_~#cache~0.offset|)) 0)) is different from false [2024-11-21 11:39:44,021 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2247 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_2247) |c_~#cache~0.base|) (+ 252 |c_~#cache~0.offset|)) 0)) is different from false [2024-11-21 11:39:44,120 INFO L134 CoverageAnalysis]: Checked inductivity of 793 backedges. 0 proven. 738 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-21 11:39:44,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1769876455] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 11:39:44,120 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 11:39:44,120 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26, 36] total 83 [2024-11-21 11:39:44,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156080226] [2024-11-21 11:39:44,120 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 11:39:44,121 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 84 states [2024-11-21 11:39:44,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 11:39:44,123 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 84 interpolants. [2024-11-21 11:39:44,124 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=341, Invalid=6264, Unknown=45, NotChecked=322, Total=6972 [2024-11-21 11:39:44,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:39:44,125 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 11:39:44,125 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 84 states, 84 states have (on average 6.940476190476191) internal successors, (583), 83 states have internal predecessors, (583), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 11:39:44,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:39:44,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:39:44,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:39:44,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:39:44,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 11:39:44,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 11:39:44,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 11:39:44,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 11:39:44,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 11:39:44,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-21 11:39:44,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-21 11:39:44,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-11-21 11:39:44,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:39:46,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:39:46,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:39:46,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:39:46,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:39:46,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 11:39:46,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 11:39:46,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 11:39:46,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 11:39:46,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 11:39:46,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 11:39:46,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-21 11:39:46,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-21 11:39:46,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-21 11:39:46,633 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 11:39:46,739 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,14 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 11:39:46,739 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 11:39:46,739 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 11:39:46,739 INFO L139 ounterexampleChecker]: Examining path program with hash -258129998, occurence #11 [2024-11-21 11:39:46,739 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 11:39:46,739 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-21 11:39:46,740 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 11:39:46,740 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-11-21 11:39:46,740 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:39:46,740 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-11-21 11:39:46,740 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:39:46,740 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-11-21 11:39:46,740 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:39:46,740 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-11-21 11:39:46,740 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:39:46,740 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-11-21 11:39:46,740 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:39:46,740 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2024-11-21 11:39:46,740 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:39:46,740 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2024-11-21 11:39:46,740 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:39:46,740 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2024-11-21 11:39:46,740 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:39:46,740 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2024-11-21 11:39:46,740 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:39:46,740 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2024-11-21 11:39:46,740 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:39:46,740 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2024-11-21 11:39:46,740 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:39:46,740 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2024-11-21 11:39:46,740 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:39:46,740 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2024-11-21 11:39:46,740 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:39:46,740 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2024-11-21 11:39:46,740 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:39:46,740 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2024-11-21 11:39:46,740 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:39:46,740 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2024-11-21 11:39:46,740 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:39:46,740 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2024-11-21 11:39:46,740 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:39:46,740 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 94 [2024-11-21 11:39:46,740 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:39:46,741 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 95 [2024-11-21 11:39:46,741 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:39:46,741 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 97 [2024-11-21 11:39:46,741 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:39:46,741 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 108 [2024-11-21 11:39:46,741 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:39:46,741 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 113 [2024-11-21 11:39:46,741 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:39:46,741 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 114 [2024-11-21 11:39:46,741 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:39:46,741 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 115 [2024-11-21 11:39:46,741 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:39:46,741 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 117 [2024-11-21 11:39:46,741 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:39:46,741 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 128 [2024-11-21 11:39:46,741 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:39:46,741 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 133 [2024-11-21 11:39:46,741 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:39:46,741 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 134 [2024-11-21 11:39:46,741 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:39:46,741 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 135 [2024-11-21 11:39:46,741 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:39:46,741 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 137 [2024-11-21 11:39:46,741 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:39:46,741 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 148 [2024-11-21 11:39:46,741 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:39:46,741 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 153 [2024-11-21 11:39:46,741 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:39:46,741 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 154 [2024-11-21 11:39:46,741 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:39:46,741 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 155 [2024-11-21 11:39:46,741 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:39:46,741 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 157 [2024-11-21 11:39:46,743 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:39:46,743 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 168 [2024-11-21 11:39:46,743 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:39:46,744 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 173 [2024-11-21 11:39:46,744 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:39:46,744 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 174 [2024-11-21 11:39:46,744 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:39:46,744 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 175 [2024-11-21 11:39:46,744 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:39:46,744 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 177 [2024-11-21 11:39:46,744 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:39:46,744 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 188 [2024-11-21 11:39:46,744 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:39:46,744 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 193 [2024-11-21 11:39:46,744 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:39:46,744 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 194 [2024-11-21 11:39:46,745 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:39:46,745 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 195 [2024-11-21 11:39:46,745 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:39:46,745 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 197 [2024-11-21 11:39:46,745 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:39:46,745 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 208 [2024-11-21 11:39:46,745 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:39:46,745 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 213 [2024-11-21 11:39:46,745 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:39:46,745 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 214 [2024-11-21 11:39:46,745 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:39:46,745 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 215 [2024-11-21 11:39:46,745 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:39:46,746 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 217 [2024-11-21 11:39:46,746 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:39:46,746 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 11:39:46,746 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 11:39:46,746 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 11:39:46,746 INFO L85 PathProgramCache]: Analyzing trace with hash 1618855695, now seen corresponding path program 11 times [2024-11-21 11:39:46,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 11:39:46,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308294975] [2024-11-21 11:39:46,747 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 11:39:46,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 11:39:46,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 11:39:47,034 INFO L134 CoverageAnalysis]: Checked inductivity of 975 backedges. 767 proven. 153 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-21 11:39:47,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 11:39:47,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308294975] [2024-11-21 11:39:47,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1308294975] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 11:39:47,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1081182384] [2024-11-21 11:39:47,035 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-21 11:39:47,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 11:39:47,035 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 11:39:47,037 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 11:39:47,038 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-21 11:43:33,877 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2024-11-21 11:43:33,877 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 11:43:33,947 INFO L256 TraceCheckSpWp]: Trace formula consists of 1042 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-21 11:43:33,950 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 11:43:34,126 INFO L134 CoverageAnalysis]: Checked inductivity of 975 backedges. 920 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-21 11:43:34,126 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-21 11:43:34,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1081182384] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 11:43:34,126 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-21 11:43:34,126 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [13] total 14 [2024-11-21 11:43:34,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088171527] [2024-11-21 11:43:34,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 11:43:34,126 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-21 11:43:34,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 11:43:34,127 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-21 11:43:34,127 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=101, Unknown=0, NotChecked=0, Total=182 [2024-11-21 11:43:34,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:43:34,127 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 11:43:34,127 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 16.76923076923077) internal successors, (218), 13 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 11:43:34,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:43:34,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:43:34,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:43:34,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:43:34,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 11:43:34,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 11:43:34,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 11:43:34,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 11:43:34,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 11:43:34,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-21 11:43:34,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-21 11:43:34,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-11-21 11:43:34,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-11-21 11:43:34,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:43:43,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:43:43,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:43:43,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 11:43:43,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:43:43,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:43:43,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 11:43:43,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-21 11:43:43,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-21 11:43:43,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-21 11:43:43,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-21 11:43:43,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-21 11:43:43,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-11-21 11:43:43,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-11-21 11:43:43,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 11:43:43,718 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-11-21 11:43:43,810 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-21 11:43:43,811 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 11:43:43,811 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 11:43:43,811 INFO L139 ounterexampleChecker]: Examining path program with hash 755523648, occurence #1 [2024-11-21 11:43:43,811 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 11:43:43,811 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 11:43:43,812 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 11:43:43,812 INFO L85 PathProgramCache]: Analyzing trace with hash 804286420, now seen corresponding path program 1 times [2024-11-21 11:43:43,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 11:43:43,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162939695] [2024-11-21 11:43:43,812 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 11:43:43,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 11:43:43,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 11:43:43,940 INFO L134 CoverageAnalysis]: Checked inductivity of 1513 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1513 trivial. 0 not checked. [2024-11-21 11:43:43,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 11:43:43,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [162939695] [2024-11-21 11:43:43,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [162939695] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 11:43:43,940 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 11:43:43,940 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-21 11:43:43,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744699858] [2024-11-21 11:43:43,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 11:43:43,941 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-21 11:43:43,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 11:43:43,941 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-21 11:43:43,941 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-21 11:43:43,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:43:43,941 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 11:43:43,942 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 11:43:43,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:43:43,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:43:43,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 11:43:43,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:43:43,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:43:43,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 11:43:43,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-21 11:43:43,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-21 11:43:43,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-11-21 11:43:43,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-11-21 11:43:43,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-11-21 11:43:43,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-11-21 11:43:43,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-11-21 11:43:43,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 11:43:43,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:43:44,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:43:44,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:43:44,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 11:43:44,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:43:44,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:43:44,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 11:43:44,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-21 11:43:44,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-21 11:43:44,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-21 11:43:44,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-21 11:43:44,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-21 11:43:44,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-11-21 11:43:44,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-11-21 11:43:44,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 11:43:44,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 11:43:44,762 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-21 11:43:44,763 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-21 11:43:44,767 INFO L422 BasicCegarLoop]: Path program histogram: [11, 2, 1, 1] [2024-11-21 11:43:44,768 INFO L319 ceAbstractionStarter]: Result for error location t_funThread1of1ForFork0 was SAFE (1/2) [2024-11-21 11:43:44,771 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-21 11:43:44,772 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-21 11:43:44,772 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-21 11:43:44,772 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;@3bf27fad, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-21 11:43:44,774 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-21 11:43:44,779 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 11:43:44,783 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 11:43:44,783 INFO L139 ounterexampleChecker]: Examining path program with hash -574097810, occurence #1 [2024-11-21 11:43:44,783 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 11:43:44,783 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 11:43:44,783 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 11:43:44,784 INFO L85 PathProgramCache]: Analyzing trace with hash 1282131593, now seen corresponding path program 1 times [2024-11-21 11:43:44,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 11:43:44,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360505559] [2024-11-21 11:43:44,784 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 11:43:44,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 11:43:44,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 11:43:44,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 11:43:44,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 11:43:44,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360505559] [2024-11-21 11:43:44,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [360505559] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 11:43:44,806 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 11:43:44,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-21 11:43:44,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199547655] [2024-11-21 11:43:44,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 11:43:44,807 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-21 11:43:44,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 11:43:44,807 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-21 11:43:44,807 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-21 11:43:44,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:43:44,807 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 11:43:44,807 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 11:43:44,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:43:44,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:43:44,829 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-21 11:43:44,829 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 11:43:44,829 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 11:43:44,829 INFO L139 ounterexampleChecker]: Examining path program with hash -574097810, occurence #2 [2024-11-21 11:43:44,829 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 11:43:44,829 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2024-11-21 11:43:44,829 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 11:43:44,829 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 11:43:44,829 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 11:43:44,830 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 11:43:44,830 INFO L85 PathProgramCache]: Analyzing trace with hash -1879808896, now seen corresponding path program 1 times [2024-11-21 11:43:44,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 11:43:44,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1749432668] [2024-11-21 11:43:44,830 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 11:43:44,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 11:43:44,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 11:43:44,849 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 11:43:44,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 11:43:44,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1749432668] [2024-11-21 11:43:44,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1749432668] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 11:43:44,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1431663164] [2024-11-21 11:43:44,850 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 11:43:44,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 11:43:44,850 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 11:43:44,851 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 11:43:44,852 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-21 11:43:45,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 11:43:45,025 INFO L256 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-21 11:43:45,025 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 11:43:45,031 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 11:43:45,031 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 11:43:45,040 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 11:43:45,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1431663164] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 11:43:45,040 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 11:43:45,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-21 11:43:45,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116128325] [2024-11-21 11:43:45,040 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 11:43:45,040 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-21 11:43:45,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 11:43:45,041 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-21 11:43:45,041 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-21 11:43:45,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:43:45,041 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 11:43:45,041 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 11:43:45,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:43:45,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:43:45,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:43:45,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:43:45,103 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-21 11:43:45,286 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-21 11:43:45,286 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 11:43:45,286 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 11:43:45,286 INFO L139 ounterexampleChecker]: Examining path program with hash -574097810, occurence #3 [2024-11-21 11:43:45,286 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 11:43:45,286 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2024-11-21 11:43:45,286 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 11:43:45,286 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 11:43:45,286 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 11:43:45,287 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 11:43:45,287 INFO L85 PathProgramCache]: Analyzing trace with hash 949947465, now seen corresponding path program 2 times [2024-11-21 11:43:45,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 11:43:45,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816044382] [2024-11-21 11:43:45,287 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 11:43:45,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 11:43:45,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 11:43:45,340 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 11:43:45,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 11:43:45,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816044382] [2024-11-21 11:43:45,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [816044382] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 11:43:45,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [741294342] [2024-11-21 11:43:45,341 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-21 11:43:45,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 11:43:45,341 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 11:43:45,343 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 11:43:45,344 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-21 11:43:45,528 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-21 11:43:45,528 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 11:43:45,529 INFO L256 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-21 11:43:45,529 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 11:43:45,537 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 11:43:45,537 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 11:43:45,572 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 11:43:45,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [741294342] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 11:43:45,572 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 11:43:45,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2024-11-21 11:43:45,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004345890] [2024-11-21 11:43:45,572 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 11:43:45,573 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-21 11:43:45,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 11:43:45,574 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-21 11:43:45,574 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2024-11-21 11:43:45,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:43:45,574 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 11:43:45,574 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 1.6923076923076923) internal successors, (22), 12 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 11:43:45,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:43:45,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:43:45,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:43:45,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:43:45,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:43:45,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:43:45,664 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-21 11:43:45,846 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-21 11:43:45,847 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 11:43:45,847 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 11:43:45,847 INFO L139 ounterexampleChecker]: Examining path program with hash -574097810, occurence #4 [2024-11-21 11:43:45,847 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 11:43:45,847 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-21 11:43:45,847 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 11:43:45,847 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 11:43:45,847 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 11:43:45,848 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 11:43:45,848 INFO L85 PathProgramCache]: Analyzing trace with hash -560967447, now seen corresponding path program 3 times [2024-11-21 11:43:45,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 11:43:45,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46699730] [2024-11-21 11:43:45,848 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 11:43:45,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 11:43:45,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-21 11:43:45,869 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-21 11:43:45,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-21 11:43:45,906 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-21 11:43:45,906 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-21 11:43:45,907 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 2 remaining) [2024-11-21 11:43:45,907 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2024-11-21 11:43:45,907 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-21 11:43:45,909 INFO L422 BasicCegarLoop]: Path program histogram: [3, 1] [2024-11-21 11:43:45,909 INFO L319 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE,UNKNOWN (2/2) [2024-11-21 11:43:45,910 WARN L246 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-21 11:43:45,910 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-11-21 11:43:45,931 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-21 11:43:45,937 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-21 11:43:45,946 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-21 11:43:45,947 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t_funThread1of2ForFork0 ======== [2024-11-21 11:43:45,947 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;@3bf27fad, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-21 11:43:45,947 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-21 11:43:46,368 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 11:43:46,369 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 11:43:46,369 INFO L139 ounterexampleChecker]: Examining path program with hash 777750403, occurence #1 [2024-11-21 11:43:46,369 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 11:43:46,369 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 11:43:46,369 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 11:43:46,369 INFO L85 PathProgramCache]: Analyzing trace with hash 575496950, now seen corresponding path program 1 times [2024-11-21 11:43:46,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 11:43:46,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94830567] [2024-11-21 11:43:46,369 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 11:43:46,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 11:43:46,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 11:43:46,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 11:43:46,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 11:43:46,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94830567] [2024-11-21 11:43:46,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [94830567] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 11:43:46,396 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 11:43:46,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-21 11:43:46,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807610938] [2024-11-21 11:43:46,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 11:43:46,397 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-21 11:43:46,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 11:43:46,397 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-21 11:43:46,397 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-21 11:43:46,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:43:46,397 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 11:43:46,397 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 11:43:46,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:43:46,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:43:46,761 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-21 11:43:46,761 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 11:43:46,761 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 11:43:46,762 INFO L139 ounterexampleChecker]: Examining path program with hash 1777241762, occurence #1 [2024-11-21 11:43:46,762 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 11:43:46,762 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 11:43:46,762 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 11:43:46,762 INFO L85 PathProgramCache]: Analyzing trace with hash -1983171751, now seen corresponding path program 1 times [2024-11-21 11:43:46,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 11:43:46,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401853325] [2024-11-21 11:43:46,762 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 11:43:46,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 11:43:46,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 11:43:46,799 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 11:43:46,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 11:43:46,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401853325] [2024-11-21 11:43:46,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401853325] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 11:43:46,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1253694472] [2024-11-21 11:43:46,799 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 11:43:46,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 11:43:46,799 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 11:43:46,801 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 11:43:46,802 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-21 11:43:47,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 11:43:47,020 INFO L256 TraceCheckSpWp]: Trace formula consists of 515 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-21 11:43:47,021 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 11:43:47,027 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 11:43:47,027 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 11:43:47,037 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 11:43:47,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1253694472] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 11:43:47,037 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 11:43:47,037 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-21 11:43:47,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496111198] [2024-11-21 11:43:47,037 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 11:43:47,038 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-21 11:43:47,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 11:43:47,038 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-21 11:43:47,038 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-21 11:43:47,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:43:47,038 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 11:43:47,038 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 6 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 11:43:47,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:43:47,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:43:47,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:43:47,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:43:47,123 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-11-21 11:43:47,310 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,18 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 11:43:47,311 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 11:43:47,311 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 11:43:47,311 INFO L139 ounterexampleChecker]: Examining path program with hash 1777241762, occurence #2 [2024-11-21 11:43:47,311 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 11:43:47,311 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2024-11-21 11:43:47,311 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 11:43:47,311 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2024-11-21 11:43:47,311 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 11:43:47,311 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-11-21 11:43:47,311 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:43:47,311 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 38 [2024-11-21 11:43:47,311 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:43:47,311 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2024-11-21 11:43:47,311 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:43:47,311 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2024-11-21 11:43:47,311 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:43:47,311 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2024-11-21 11:43:47,311 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:43:47,311 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 56 [2024-11-21 11:43:47,311 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:43:47,311 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2024-11-21 11:43:47,312 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:43:47,312 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2024-11-21 11:43:47,312 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:43:47,312 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2024-11-21 11:43:47,312 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:43:47,312 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2024-11-21 11:43:47,312 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:43:47,312 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2024-11-21 11:43:47,312 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:43:47,312 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 11:43:47,312 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 11:43:47,312 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 11:43:47,312 INFO L85 PathProgramCache]: Analyzing trace with hash 968670096, now seen corresponding path program 2 times [2024-11-21 11:43:47,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 11:43:47,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578128783] [2024-11-21 11:43:47,312 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 11:43:47,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 11:43:47,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 11:43:47,438 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 11:43:47,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 11:43:47,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578128783] [2024-11-21 11:43:47,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [578128783] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 11:43:47,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [84644156] [2024-11-21 11:43:47,438 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-21 11:43:47,439 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 11:43:47,439 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 11:43:47,441 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 11:43:47,443 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-21 11:43:47,669 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-21 11:43:47,669 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 11:43:47,671 INFO L256 TraceCheckSpWp]: Trace formula consists of 508 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-11-21 11:43:47,673 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 11:43:48,158 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-21 11:43:48,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:43:48,209 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-21 11:43:48,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:43:48,235 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-21 11:43:48,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:43:48,319 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2024-11-21 11:43:48,461 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-21 11:43:48,462 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-21 11:43:48,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [84644156] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 11:43:48,462 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-21 11:43:48,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [6] total 17 [2024-11-21 11:43:48,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19043731] [2024-11-21 11:43:48,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 11:43:48,462 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-21 11:43:48,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 11:43:48,463 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-21 11:43:48,463 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=253, Unknown=0, NotChecked=0, Total=306 [2024-11-21 11:43:48,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:43:48,463 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 11:43:48,463 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.461538461538462) internal successors, (84), 12 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 11:43:48,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:43:48,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:43:48,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:43:49,006 WARN L331 ript$VariableManager]: TermVariable v_subst_2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 11:43:49,085 WARN L331 ript$VariableManager]: TermVariable v_subst_2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 11:43:49,125 WARN L331 ript$VariableManager]: TermVariable v_subst_2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 11:43:49,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:43:49,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:43:49,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:43:49,561 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-11-21 11:43:49,744 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,19 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 11:43:49,744 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 11:43:49,744 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 11:43:49,744 INFO L139 ounterexampleChecker]: Examining path program with hash 1857675025, occurence #1 [2024-11-21 11:43:49,744 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 11:43:49,744 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 11:43:49,745 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 11:43:49,745 INFO L85 PathProgramCache]: Analyzing trace with hash 181098487, now seen corresponding path program 3 times [2024-11-21 11:43:49,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 11:43:49,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384800946] [2024-11-21 11:43:49,745 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 11:43:49,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 11:43:49,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 11:43:49,950 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-21 11:43:49,950 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 11:43:49,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384800946] [2024-11-21 11:43:49,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [384800946] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 11:43:49,950 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 11:43:49,950 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-21 11:43:49,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289685675] [2024-11-21 11:43:49,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 11:43:49,951 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-21 11:43:49,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 11:43:49,951 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-21 11:43:49,951 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-21 11:43:49,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:43:49,951 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 11:43:49,952 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 11:43:49,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:43:49,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:43:49,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:43:49,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:43:50,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:43:50,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:43:50,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:43:50,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:43:50,100 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-21 11:43:50,100 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 11:43:50,100 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 11:43:50,101 INFO L139 ounterexampleChecker]: Examining path program with hash 1348452758, occurence #1 [2024-11-21 11:43:50,101 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 11:43:50,101 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 11:43:50,101 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 11:43:50,101 INFO L85 PathProgramCache]: Analyzing trace with hash 1833832239, now seen corresponding path program 4 times [2024-11-21 11:43:50,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 11:43:50,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996885875] [2024-11-21 11:43:50,102 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 11:43:50,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 11:43:50,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 11:43:50,435 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-21 11:43:50,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 11:43:50,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996885875] [2024-11-21 11:43:50,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [996885875] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 11:43:50,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1138983462] [2024-11-21 11:43:50,436 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-21 11:43:50,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 11:43:50,436 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 11:43:50,438 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 11:43:50,440 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-21 11:43:50,794 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-21 11:43:50,794 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 11:43:50,797 INFO L256 TraceCheckSpWp]: Trace formula consists of 882 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-21 11:43:50,801 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 11:43:50,809 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-11-21 11:43:50,847 INFO L349 Elim1Store]: treesize reduction 35, result has 35.2 percent of original size [2024-11-21 11:43:50,847 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 25 [2024-11-21 11:43:50,883 INFO L349 Elim1Store]: treesize reduction 3, result has 78.6 percent of original size [2024-11-21 11:43:50,883 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 17 treesize of output 18 [2024-11-21 11:43:50,931 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-21 11:43:50,983 INFO L349 Elim1Store]: treesize reduction 29, result has 19.4 percent of original size [2024-11-21 11:43:50,983 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 20 [2024-11-21 11:43:51,141 INFO L349 Elim1Store]: treesize reduction 64, result has 56.2 percent of original size [2024-11-21 11:43:51,142 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 113 [2024-11-21 11:43:56,322 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-21 11:43:56,322 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-21 11:43:56,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1138983462] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 11:43:56,322 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-21 11:43:56,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 12 [2024-11-21 11:43:56,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763866870] [2024-11-21 11:43:56,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 11:43:56,324 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-21 11:43:56,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 11:43:56,324 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-21 11:43:56,325 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=99, Unknown=1, NotChecked=0, Total=132 [2024-11-21 11:43:56,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:43:56,325 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 11:43:56,327 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 7 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 11:43:56,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:43:56,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:43:56,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:43:56,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:43:56,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:43:59,280 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-21 11:44:01,291 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-21 11:44:01,660 WARN L331 ript$VariableManager]: TermVariable v_subst_15 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 11:44:01,661 WARN L331 ript$VariableManager]: TermVariable v_subst_14 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 11:44:01,661 WARN L331 ript$VariableManager]: TermVariable v_subst_13 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 11:44:01,661 WARN L331 ript$VariableManager]: TermVariable v_subst_12 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 11:44:01,661 WARN L331 ript$VariableManager]: TermVariable v_subst_19 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 11:44:01,661 WARN L331 ript$VariableManager]: TermVariable v_subst_18 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 11:44:01,661 WARN L331 ript$VariableManager]: TermVariable v_subst_17 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 11:44:01,661 WARN L331 ript$VariableManager]: TermVariable v_subst_16 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 11:44:01,661 WARN L331 ript$VariableManager]: TermVariable v_subst_11 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 11:44:01,661 WARN L331 ript$VariableManager]: TermVariable v_subst_10 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 11:44:01,661 WARN L331 ript$VariableManager]: TermVariable v_subst_6 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 11:44:01,661 WARN L331 ript$VariableManager]: TermVariable v_subst_5 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 11:44:01,661 WARN L331 ript$VariableManager]: TermVariable v_subst_4 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 11:44:01,661 WARN L331 ript$VariableManager]: TermVariable v_subst_3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 11:44:01,661 WARN L331 ript$VariableManager]: TermVariable v_subst_9 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 11:44:01,661 WARN L331 ript$VariableManager]: TermVariable v_subst_8 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 11:44:01,662 WARN L331 ript$VariableManager]: TermVariable v_subst_7 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 11:44:01,662 WARN L331 ript$VariableManager]: TermVariable v_subst_22 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 11:44:01,662 WARN L331 ript$VariableManager]: TermVariable v_subst_21 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 11:44:01,662 WARN L331 ript$VariableManager]: TermVariable v_subst_20 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 11:44:01,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:44:01,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:44:01,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:44:01,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:44:01,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 11:44:01,872 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-11-21 11:44:02,053 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-11-21 11:44:02,053 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 11:44:02,053 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 11:44:02,054 INFO L139 ounterexampleChecker]: Examining path program with hash 1068814741, occurence #1 [2024-11-21 11:44:02,054 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 11:44:02,054 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 11:44:02,054 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 11:44:02,054 INFO L85 PathProgramCache]: Analyzing trace with hash 217846599, now seen corresponding path program 5 times [2024-11-21 11:44:02,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 11:44:02,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700220850] [2024-11-21 11:44:02,054 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 11:44:02,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 11:44:02,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 11:44:02,260 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-21 11:44:02,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 11:44:02,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1700220850] [2024-11-21 11:44:02,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1700220850] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 11:44:02,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1647062037] [2024-11-21 11:44:02,260 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-21 11:44:02,260 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 11:44:02,261 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 11:44:02,263 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 11:44:02,263 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-21 11:44:09,134 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2024-11-21 11:44:09,134 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 11:44:09,142 INFO L256 TraceCheckSpWp]: Trace formula consists of 1230 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-21 11:44:09,146 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 11:44:09,169 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-21 11:44:09,169 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 11:44:09,238 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-21 11:44:09,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1647062037] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 11:44:09,239 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 11:44:09,239 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2024-11-21 11:44:09,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836310479] [2024-11-21 11:44:09,239 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 11:44:09,240 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-21 11:44:09,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 11:44:09,240 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-21 11:44:09,240 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2024-11-21 11:44:09,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:44:09,240 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 11:44:09,241 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.076923076923077) internal successors, (66), 12 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 11:44:09,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:44:09,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:44:09,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:44:09,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:44:09,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 11:44:09,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:44:09,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:44:09,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:44:09,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:44:09,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:44:09,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 11:44:09,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:44:09,343 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-11-21 11:44:09,525 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,21 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 11:44:09,525 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 11:44:09,525 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 11:44:09,526 INFO L139 ounterexampleChecker]: Examining path program with hash 1068814741, occurence #2 [2024-11-21 11:44:09,526 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 11:44:09,526 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-21 11:44:09,526 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 11:44:09,526 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2024-11-21 11:44:09,526 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 11:44:09,526 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 43 [2024-11-21 11:44:09,526 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:44:09,526 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 44 [2024-11-21 11:44:09,526 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:44:09,526 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 45 [2024-11-21 11:44:09,526 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:44:09,526 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 60 [2024-11-21 11:44:09,526 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:44:09,526 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 61 [2024-11-21 11:44:09,526 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:44:09,526 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 62 [2024-11-21 11:44:09,526 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:44:09,526 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2024-11-21 11:44:09,526 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:44:09,526 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 78 [2024-11-21 11:44:09,526 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:44:09,526 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 79 [2024-11-21 11:44:09,526 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:44:09,526 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 80 [2024-11-21 11:44:09,527 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:44:09,527 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 81 [2024-11-21 11:44:09,569 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 312 treesize of output 288 [2024-11-21 11:44:09,598 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 11:44:09,598 INFO L85 PathProgramCache]: Analyzing trace with hash 1705428471, now seen corresponding path program 1 times [2024-11-21 11:44:09,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 11:44:09,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189932679] [2024-11-21 11:44:09,599 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 11:44:09,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 11:44:09,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 11:44:10,094 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-21 11:44:10,094 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 11:44:10,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1189932679] [2024-11-21 11:44:10,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1189932679] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 11:44:10,095 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 11:44:10,095 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-21 11:44:10,096 INFO L172 ounterexampleChecker]: Successfully proved commutativity at non-minimality point 81. Constructing proof automaton... [2024-11-21 11:44:10,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 11:44:10,097 INFO L309 artialOrderCegarLoop]: Commutativity proof succeeded, skipping feasibility check. [2024-11-21 11:44:10,097 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-21 11:44:10,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SMTINTERPOL [2024-11-21 11:44:10,098 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-21 11:44:10,098 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2024-11-21 11:44:10,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:44:10,098 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 11:44:10,098 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 7 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 11:44:10,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:44:10,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:44:10,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:44:10,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:44:10,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 11:44:10,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:44:10,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:44:10,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:44:10,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:44:10,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:44:10,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:44:10,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 11:44:10,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:44:10,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-21 11:44:10,347 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-21 11:44:10,347 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 11:44:10,347 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 11:44:10,348 INFO L139 ounterexampleChecker]: Examining path program with hash -125784958, occurence #1 [2024-11-21 11:44:10,348 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 11:44:10,348 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 11:44:10,348 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 11:44:10,348 INFO L85 PathProgramCache]: Analyzing trace with hash 709913491, now seen corresponding path program 6 times [2024-11-21 11:44:10,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 11:44:10,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032479295] [2024-11-21 11:44:10,348 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 11:44:10,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 11:44:10,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 11:44:11,550 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 49 proven. 37 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-21 11:44:11,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 11:44:11,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032479295] [2024-11-21 11:44:11,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1032479295] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 11:44:11,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1056375113] [2024-11-21 11:44:11,550 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-21 11:44:11,550 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 11:44:11,550 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 11:44:11,552 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 11:44:11,553 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process Killed by 15