./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/elevator_spec14_product03.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/elevator_spec14_product03.cil.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8ed4163e8f042a84d9cdccd4fee3ee0ba89fdce83cd991779acec4a51d9a650c --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 03:40:31,969 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 03:40:32,030 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-01-09 03:40:32,039 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 03:40:32,039 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 03:40:32,061 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 03:40:32,063 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 03:40:32,063 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 03:40:32,063 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 03:40:32,064 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 03:40:32,064 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 03:40:32,064 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 03:40:32,065 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 03:40:32,065 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 03:40:32,065 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 03:40:32,065 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 03:40:32,065 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 03:40:32,065 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 03:40:32,066 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 03:40:32,066 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 03:40:32,066 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 03:40:32,066 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 03:40:32,066 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 03:40:32,066 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 03:40:32,066 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 03:40:32,066 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 03:40:32,066 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 03:40:32,066 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 03:40:32,067 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 03:40:32,067 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 03:40:32,067 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 03:40:32,067 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 03:40:32,067 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 03:40:32,067 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 03:40:32,068 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 03:40:32,068 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 03:40:32,068 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 03:40:32,068 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 03:40:32,068 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 03:40:32,068 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 03:40:32,068 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 03:40:32,068 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 03:40:32,068 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 03:40:32,068 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 03:40:32,069 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 03:40:32,069 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 03:40:32,069 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 03:40:32,069 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 03:40:32,069 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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/UAutomizer-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 -> Automizer 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 -> 8ed4163e8f042a84d9cdccd4fee3ee0ba89fdce83cd991779acec4a51d9a650c [2025-01-09 03:40:32,334 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 03:40:32,342 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 03:40:32,345 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 03:40:32,346 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 03:40:32,347 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 03:40:32,347 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/elevator_spec14_product03.cil.c [2025-01-09 03:40:33,515 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/775ac0d3c/35250d92a2ab4da8ac7c11269c323cd6/FLAG1055bdd64 [2025-01-09 03:40:33,820 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 03:40:33,820 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/product-lines/elevator_spec14_product03.cil.c [2025-01-09 03:40:33,848 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/775ac0d3c/35250d92a2ab4da8ac7c11269c323cd6/FLAG1055bdd64 [2025-01-09 03:40:33,863 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/775ac0d3c/35250d92a2ab4da8ac7c11269c323cd6 [2025-01-09 03:40:33,866 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 03:40:33,867 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 03:40:33,869 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 03:40:33,869 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 03:40:33,873 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 03:40:33,874 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 03:40:33" (1/1) ... [2025-01-09 03:40:33,874 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9458d46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:40:33, skipping insertion in model container [2025-01-09 03:40:33,875 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 03:40:33" (1/1) ... [2025-01-09 03:40:33,913 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 03:40:34,225 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/product-lines/elevator_spec14_product03.cil.c[68958,68971] [2025-01-09 03:40:34,228 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 03:40:34,241 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 03:40:34,248 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Person.i","") [48] [2025-01-09 03:40:34,249 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"UnitTests.i","") [169] [2025-01-09 03:40:34,249 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Floor.i","") [268] [2025-01-09 03:40:34,249 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification14_spec.i","") [935] [2025-01-09 03:40:34,249 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [976] [2025-01-09 03:40:34,250 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [994] [2025-01-09 03:40:34,250 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [1346] [2025-01-09 03:40:34,250 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [1712] [2025-01-09 03:40:34,250 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Elevator.i","") [1747] [2025-01-09 03:40:34,250 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [3244] [2025-01-09 03:40:34,325 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/product-lines/elevator_spec14_product03.cil.c[68958,68971] [2025-01-09 03:40:34,326 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 03:40:34,346 INFO L204 MainTranslator]: Completed translation [2025-01-09 03:40:34,347 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:40:34 WrapperNode [2025-01-09 03:40:34,348 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 03:40:34,349 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 03:40:34,349 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 03:40:34,349 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 03:40:34,353 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:40:34" (1/1) ... [2025-01-09 03:40:34,377 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:40:34" (1/1) ... [2025-01-09 03:40:34,419 INFO L138 Inliner]: procedures = 89, calls = 329, calls flagged for inlining = 24, calls inlined = 21, statements flattened = 999 [2025-01-09 03:40:34,420 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 03:40:34,420 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 03:40:34,420 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 03:40:34,420 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 03:40:34,428 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:40:34" (1/1) ... [2025-01-09 03:40:34,428 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:40:34" (1/1) ... [2025-01-09 03:40:34,432 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:40:34" (1/1) ... [2025-01-09 03:40:34,453 INFO L175 MemorySlicer]: Split 81 memory accesses to 20 slices as follows [2, 4, 4, 4, 2, 4, 4, 5, 3, 3, 5, 7, 4, 4, 4, 4, 4, 6, 4, 4]. 9 percent of accesses are in the largest equivalence class. The 81 initializations are split as follows [2, 4, 4, 4, 2, 4, 4, 5, 3, 3, 5, 7, 4, 4, 4, 4, 4, 6, 4, 4]. The 0 writes are split as follows [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]. [2025-01-09 03:40:34,453 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:40:34" (1/1) ... [2025-01-09 03:40:34,453 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:40:34" (1/1) ... [2025-01-09 03:40:34,471 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:40:34" (1/1) ... [2025-01-09 03:40:34,477 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:40:34" (1/1) ... [2025-01-09 03:40:34,484 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:40:34" (1/1) ... [2025-01-09 03:40:34,487 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:40:34" (1/1) ... [2025-01-09 03:40:34,489 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:40:34" (1/1) ... [2025-01-09 03:40:34,494 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 03:40:34,495 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 03:40:34,495 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 03:40:34,495 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 03:40:34,496 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:40:34" (1/1) ... [2025-01-09 03:40:34,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 03:40:34,512 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 03:40:34,531 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-09 03:40:34,534 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-09 03:40:34,550 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 03:40:34,550 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2025-01-09 03:40:34,551 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2025-01-09 03:40:34,551 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2025-01-09 03:40:34,551 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2025-01-09 03:40:34,551 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2025-01-09 03:40:34,551 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2025-01-09 03:40:34,551 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2025-01-09 03:40:34,551 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2025-01-09 03:40:34,551 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2025-01-09 03:40:34,551 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2025-01-09 03:40:34,551 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2025-01-09 03:40:34,551 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2025-01-09 03:40:34,551 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2025-01-09 03:40:34,552 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2025-01-09 03:40:34,552 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2025-01-09 03:40:34,552 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2025-01-09 03:40:34,552 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2025-01-09 03:40:34,552 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2025-01-09 03:40:34,552 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2025-01-09 03:40:34,552 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2025-01-09 03:40:34,552 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2025-01-09 03:40:34,552 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2025-01-09 03:40:34,552 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2025-01-09 03:40:34,552 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2025-01-09 03:40:34,552 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2025-01-09 03:40:34,552 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2025-01-09 03:40:34,552 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2025-01-09 03:40:34,552 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2025-01-09 03:40:34,552 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2025-01-09 03:40:34,552 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2025-01-09 03:40:34,552 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2025-01-09 03:40:34,552 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2025-01-09 03:40:34,552 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2025-01-09 03:40:34,552 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2025-01-09 03:40:34,552 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__base [2025-01-09 03:40:34,552 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__base [2025-01-09 03:40:34,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 03:40:34,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-09 03:40:34,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-01-09 03:40:34,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-01-09 03:40:34,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-01-09 03:40:34,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-01-09 03:40:34,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-01-09 03:40:34,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-01-09 03:40:34,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-01-09 03:40:34,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-01-09 03:40:34,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-01-09 03:40:34,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2025-01-09 03:40:34,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2025-01-09 03:40:34,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2025-01-09 03:40:34,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2025-01-09 03:40:34,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2025-01-09 03:40:34,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2025-01-09 03:40:34,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2025-01-09 03:40:34,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2025-01-09 03:40:34,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2025-01-09 03:40:34,554 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2025-01-09 03:40:34,554 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2025-01-09 03:40:34,554 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2025-01-09 03:40:34,554 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2025-01-09 03:40:34,554 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2025-01-09 03:40:34,554 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2025-01-09 03:40:34,554 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 03:40:34,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 03:40:34,554 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2025-01-09 03:40:34,554 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2025-01-09 03:40:34,677 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 03:40:34,678 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 03:40:35,512 INFO L? ?]: Removed 422 outVars from TransFormulas that were not future-live. [2025-01-09 03:40:35,513 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 03:40:35,541 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 03:40:35,541 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-01-09 03:40:35,541 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 03:40:35 BoogieIcfgContainer [2025-01-09 03:40:35,542 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 03:40:35,543 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 03:40:35,543 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 03:40:35,547 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 03:40:35,547 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 03:40:33" (1/3) ... [2025-01-09 03:40:35,547 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fe25a58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 03:40:35, skipping insertion in model container [2025-01-09 03:40:35,547 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:40:34" (2/3) ... [2025-01-09 03:40:35,548 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fe25a58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 03:40:35, skipping insertion in model container [2025-01-09 03:40:35,548 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 03:40:35" (3/3) ... [2025-01-09 03:40:35,550 INFO L128 eAbstractionObserver]: Analyzing ICFG elevator_spec14_product03.cil.c [2025-01-09 03:40:35,562 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 03:40:35,564 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG elevator_spec14_product03.cil.c that has 23 procedures, 516 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-01-09 03:40:35,629 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 03:40:35,637 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=PETRI_NET, 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;@40646979, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 03:40:35,637 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 03:40:35,642 INFO L276 IsEmpty]: Start isEmpty. Operand has 516 states, 401 states have (on average 1.680798004987531) internal successors, (674), 417 states have internal predecessors, (674), 91 states have call successors, (91), 22 states have call predecessors, (91), 22 states have return successors, (91), 89 states have call predecessors, (91), 91 states have call successors, (91) [2025-01-09 03:40:35,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2025-01-09 03:40:35,662 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:40:35,666 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 03:40:35,667 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:40:35,670 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:40:35,670 INFO L85 PathProgramCache]: Analyzing trace with hash -1656021853, now seen corresponding path program 1 times [2025-01-09 03:40:35,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:40:35,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045909070] [2025-01-09 03:40:35,676 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:40:35,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:40:35,760 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 101 statements into 1 equivalence classes. [2025-01-09 03:40:35,822 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 101 of 101 statements. [2025-01-09 03:40:35,822 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:40:35,822 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:40:36,137 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2025-01-09 03:40:36,137 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:40:36,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2045909070] [2025-01-09 03:40:36,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2045909070] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:40:36,139 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 03:40:36,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-09 03:40:36,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099117387] [2025-01-09 03:40:36,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:40:36,143 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-09 03:40:36,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:40:36,161 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-09 03:40:36,162 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-09 03:40:36,165 INFO L87 Difference]: Start difference. First operand has 516 states, 401 states have (on average 1.680798004987531) internal successors, (674), 417 states have internal predecessors, (674), 91 states have call successors, (91), 22 states have call predecessors, (91), 22 states have return successors, (91), 89 states have call predecessors, (91), 91 states have call successors, (91) Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2025-01-09 03:40:36,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:40:36,307 INFO L93 Difference]: Finished difference Result 1025 states and 1712 transitions. [2025-01-09 03:40:36,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-09 03:40:36,309 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 101 [2025-01-09 03:40:36,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:40:36,321 INFO L225 Difference]: With dead ends: 1025 [2025-01-09 03:40:36,322 INFO L226 Difference]: Without dead ends: 511 [2025-01-09 03:40:36,329 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-01-09 03:40:36,330 INFO L435 NwaCegarLoop]: 840 mSDtfsCounter, 6 mSDsluCounter, 1674 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 2514 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 03:40:36,331 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 2514 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 03:40:36,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 511 states. [2025-01-09 03:40:36,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 511 to 511. [2025-01-09 03:40:36,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 511 states, 397 states have (on average 1.672544080604534) internal successors, (664), 412 states have internal predecessors, (664), 91 states have call successors, (91), 23 states have call predecessors, (91), 22 states have return successors, (90), 88 states have call predecessors, (90), 90 states have call successors, (90) [2025-01-09 03:40:36,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 511 states and 845 transitions. [2025-01-09 03:40:36,403 INFO L78 Accepts]: Start accepts. Automaton has 511 states and 845 transitions. Word has length 101 [2025-01-09 03:40:36,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:40:36,403 INFO L471 AbstractCegarLoop]: Abstraction has 511 states and 845 transitions. [2025-01-09 03:40:36,403 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2025-01-09 03:40:36,403 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 845 transitions. [2025-01-09 03:40:36,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2025-01-09 03:40:36,410 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:40:36,410 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 03:40:36,410 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-09 03:40:36,410 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:40:36,411 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:40:36,411 INFO L85 PathProgramCache]: Analyzing trace with hash -1533274203, now seen corresponding path program 1 times [2025-01-09 03:40:36,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:40:36,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808665436] [2025-01-09 03:40:36,411 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:40:36,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:40:36,434 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 102 statements into 1 equivalence classes. [2025-01-09 03:40:36,444 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 102 of 102 statements. [2025-01-09 03:40:36,444 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:40:36,444 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:40:36,622 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2025-01-09 03:40:36,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:40:36,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808665436] [2025-01-09 03:40:36,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1808665436] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:40:36,622 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 03:40:36,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-09 03:40:36,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512432040] [2025-01-09 03:40:36,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:40:36,623 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-09 03:40:36,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:40:36,624 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-09 03:40:36,625 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-09 03:40:36,625 INFO L87 Difference]: Start difference. First operand 511 states and 845 transitions. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2025-01-09 03:40:36,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:40:36,697 INFO L93 Difference]: Finished difference Result 1005 states and 1667 transitions. [2025-01-09 03:40:36,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-09 03:40:36,698 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 102 [2025-01-09 03:40:36,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:40:36,703 INFO L225 Difference]: With dead ends: 1005 [2025-01-09 03:40:36,703 INFO L226 Difference]: Without dead ends: 511 [2025-01-09 03:40:36,705 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-09 03:40:36,706 INFO L435 NwaCegarLoop]: 831 mSDtfsCounter, 4 mSDsluCounter, 1655 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 2486 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 03:40:36,707 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 2486 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 03:40:36,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 511 states. [2025-01-09 03:40:36,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 511 to 511. [2025-01-09 03:40:36,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 511 states, 397 states have (on average 1.6700251889168767) internal successors, (663), 412 states have internal predecessors, (663), 91 states have call successors, (91), 23 states have call predecessors, (91), 22 states have return successors, (90), 88 states have call predecessors, (90), 90 states have call successors, (90) [2025-01-09 03:40:36,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 511 states and 844 transitions. [2025-01-09 03:40:36,744 INFO L78 Accepts]: Start accepts. Automaton has 511 states and 844 transitions. Word has length 102 [2025-01-09 03:40:36,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:40:36,744 INFO L471 AbstractCegarLoop]: Abstraction has 511 states and 844 transitions. [2025-01-09 03:40:36,744 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2025-01-09 03:40:36,744 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 844 transitions. [2025-01-09 03:40:36,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2025-01-09 03:40:36,749 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:40:36,750 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 03:40:36,750 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-09 03:40:36,750 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:40:36,750 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:40:36,751 INFO L85 PathProgramCache]: Analyzing trace with hash 1731062111, now seen corresponding path program 1 times [2025-01-09 03:40:36,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:40:36,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892376002] [2025-01-09 03:40:36,751 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:40:36,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:40:36,774 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 103 statements into 1 equivalence classes. [2025-01-09 03:40:36,782 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 103 of 103 statements. [2025-01-09 03:40:36,782 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:40:36,782 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:40:36,886 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2025-01-09 03:40:36,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:40:36,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892376002] [2025-01-09 03:40:36,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [892376002] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:40:36,888 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 03:40:36,888 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-09 03:40:36,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317900479] [2025-01-09 03:40:36,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:40:36,888 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-09 03:40:36,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:40:36,889 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-09 03:40:36,889 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-09 03:40:36,889 INFO L87 Difference]: Start difference. First operand 511 states and 844 transitions. Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2025-01-09 03:40:36,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:40:36,945 INFO L93 Difference]: Finished difference Result 1005 states and 1666 transitions. [2025-01-09 03:40:36,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-09 03:40:36,945 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 103 [2025-01-09 03:40:36,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:40:36,949 INFO L225 Difference]: With dead ends: 1005 [2025-01-09 03:40:36,949 INFO L226 Difference]: Without dead ends: 511 [2025-01-09 03:40:36,951 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-09 03:40:36,951 INFO L435 NwaCegarLoop]: 831 mSDtfsCounter, 3 mSDsluCounter, 1655 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2486 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 03:40:36,952 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2486 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 03:40:36,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 511 states. [2025-01-09 03:40:36,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 511 to 511. [2025-01-09 03:40:36,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 511 states, 397 states have (on average 1.6675062972292192) internal successors, (662), 412 states have internal predecessors, (662), 91 states have call successors, (91), 23 states have call predecessors, (91), 22 states have return successors, (90), 88 states have call predecessors, (90), 90 states have call successors, (90) [2025-01-09 03:40:36,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 511 states and 843 transitions. [2025-01-09 03:40:36,978 INFO L78 Accepts]: Start accepts. Automaton has 511 states and 843 transitions. Word has length 103 [2025-01-09 03:40:36,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:40:36,980 INFO L471 AbstractCegarLoop]: Abstraction has 511 states and 843 transitions. [2025-01-09 03:40:36,980 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2025-01-09 03:40:36,980 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 843 transitions. [2025-01-09 03:40:36,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2025-01-09 03:40:36,983 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:40:36,984 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 03:40:36,984 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-09 03:40:36,984 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:40:36,984 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:40:36,984 INFO L85 PathProgramCache]: Analyzing trace with hash -694568095, now seen corresponding path program 1 times [2025-01-09 03:40:36,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:40:36,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322041809] [2025-01-09 03:40:36,984 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:40:36,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:40:37,007 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 104 statements into 1 equivalence classes. [2025-01-09 03:40:37,017 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 104 of 104 statements. [2025-01-09 03:40:37,018 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:40:37,018 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:40:37,119 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2025-01-09 03:40:37,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:40:37,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322041809] [2025-01-09 03:40:37,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [322041809] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:40:37,119 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 03:40:37,119 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-09 03:40:37,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121734231] [2025-01-09 03:40:37,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:40:37,119 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-09 03:40:37,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:40:37,120 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-09 03:40:37,120 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-09 03:40:37,120 INFO L87 Difference]: Start difference. First operand 511 states and 843 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2025-01-09 03:40:37,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:40:37,169 INFO L93 Difference]: Finished difference Result 1005 states and 1665 transitions. [2025-01-09 03:40:37,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-09 03:40:37,171 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 104 [2025-01-09 03:40:37,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:40:37,173 INFO L225 Difference]: With dead ends: 1005 [2025-01-09 03:40:37,173 INFO L226 Difference]: Without dead ends: 511 [2025-01-09 03:40:37,176 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-09 03:40:37,178 INFO L435 NwaCegarLoop]: 831 mSDtfsCounter, 2 mSDsluCounter, 1655 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 2486 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 03:40:37,179 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 2486 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 03:40:37,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 511 states. [2025-01-09 03:40:37,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 511 to 511. [2025-01-09 03:40:37,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 511 states, 397 states have (on average 1.6649874055415617) internal successors, (661), 412 states have internal predecessors, (661), 91 states have call successors, (91), 23 states have call predecessors, (91), 22 states have return successors, (90), 88 states have call predecessors, (90), 90 states have call successors, (90) [2025-01-09 03:40:37,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 511 states and 842 transitions. [2025-01-09 03:40:37,202 INFO L78 Accepts]: Start accepts. Automaton has 511 states and 842 transitions. Word has length 104 [2025-01-09 03:40:37,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:40:37,202 INFO L471 AbstractCegarLoop]: Abstraction has 511 states and 842 transitions. [2025-01-09 03:40:37,202 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2025-01-09 03:40:37,202 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 842 transitions. [2025-01-09 03:40:37,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2025-01-09 03:40:37,204 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:40:37,204 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 03:40:37,204 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-01-09 03:40:37,205 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:40:37,205 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:40:37,205 INFO L85 PathProgramCache]: Analyzing trace with hash 879466011, now seen corresponding path program 1 times [2025-01-09 03:40:37,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:40:37,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [840251752] [2025-01-09 03:40:37,205 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:40:37,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:40:37,220 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 105 statements into 1 equivalence classes. [2025-01-09 03:40:37,242 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 105 of 105 statements. [2025-01-09 03:40:37,244 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:40:37,244 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:40:37,331 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2025-01-09 03:40:37,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:40:37,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [840251752] [2025-01-09 03:40:37,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [840251752] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:40:37,332 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 03:40:37,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-09 03:40:37,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802673375] [2025-01-09 03:40:37,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:40:37,333 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-09 03:40:37,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:40:37,334 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-09 03:40:37,334 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-09 03:40:37,334 INFO L87 Difference]: Start difference. First operand 511 states and 842 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2025-01-09 03:40:37,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:40:37,381 INFO L93 Difference]: Finished difference Result 1005 states and 1664 transitions. [2025-01-09 03:40:37,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-09 03:40:37,382 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 105 [2025-01-09 03:40:37,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:40:37,386 INFO L225 Difference]: With dead ends: 1005 [2025-01-09 03:40:37,386 INFO L226 Difference]: Without dead ends: 511 [2025-01-09 03:40:37,389 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-09 03:40:37,390 INFO L435 NwaCegarLoop]: 831 mSDtfsCounter, 1 mSDsluCounter, 1655 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 2486 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 03:40:37,391 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 2486 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 03:40:37,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 511 states. [2025-01-09 03:40:37,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 511 to 511. [2025-01-09 03:40:37,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 511 states, 397 states have (on average 1.6624685138539044) internal successors, (660), 412 states have internal predecessors, (660), 91 states have call successors, (91), 23 states have call predecessors, (91), 22 states have return successors, (90), 88 states have call predecessors, (90), 90 states have call successors, (90) [2025-01-09 03:40:37,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 511 states and 841 transitions. [2025-01-09 03:40:37,415 INFO L78 Accepts]: Start accepts. Automaton has 511 states and 841 transitions. Word has length 105 [2025-01-09 03:40:37,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:40:37,415 INFO L471 AbstractCegarLoop]: Abstraction has 511 states and 841 transitions. [2025-01-09 03:40:37,415 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2025-01-09 03:40:37,415 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 841 transitions. [2025-01-09 03:40:37,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2025-01-09 03:40:37,418 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:40:37,418 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 03:40:37,418 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-01-09 03:40:37,418 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:40:37,418 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:40:37,418 INFO L85 PathProgramCache]: Analyzing trace with hash 1889042205, now seen corresponding path program 1 times [2025-01-09 03:40:37,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:40:37,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586922245] [2025-01-09 03:40:37,418 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:40:37,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:40:37,435 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 106 statements into 1 equivalence classes. [2025-01-09 03:40:37,443 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 106 of 106 statements. [2025-01-09 03:40:37,445 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:40:37,445 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:40:37,642 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2025-01-09 03:40:37,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:40:37,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586922245] [2025-01-09 03:40:37,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1586922245] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:40:37,642 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 03:40:37,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-01-09 03:40:37,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447102702] [2025-01-09 03:40:37,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:40:37,642 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-01-09 03:40:37,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:40:37,643 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-01-09 03:40:37,643 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2025-01-09 03:40:37,643 INFO L87 Difference]: Start difference. First operand 511 states and 841 transitions. Second operand has 9 states, 8 states have (on average 8.125) internal successors, (65), 8 states have internal predecessors, (65), 3 states have call successors, (12), 2 states have call predecessors, (12), 4 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2025-01-09 03:40:37,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:40:37,769 INFO L93 Difference]: Finished difference Result 1016 states and 1681 transitions. [2025-01-09 03:40:37,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-09 03:40:37,770 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 8.125) internal successors, (65), 8 states have internal predecessors, (65), 3 states have call successors, (12), 2 states have call predecessors, (12), 4 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 106 [2025-01-09 03:40:37,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:40:37,773 INFO L225 Difference]: With dead ends: 1016 [2025-01-09 03:40:37,773 INFO L226 Difference]: Without dead ends: 526 [2025-01-09 03:40:37,778 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2025-01-09 03:40:37,778 INFO L435 NwaCegarLoop]: 826 mSDtfsCounter, 91 mSDsluCounter, 5695 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 6521 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-09 03:40:37,779 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 6521 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-09 03:40:37,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 526 states. [2025-01-09 03:40:37,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 526 to 524. [2025-01-09 03:40:37,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 524 states, 407 states have (on average 1.6584766584766584) internal successors, (675), 424 states have internal predecessors, (675), 92 states have call successors, (92), 23 states have call predecessors, (92), 24 states have return successors, (94), 89 states have call predecessors, (94), 91 states have call successors, (94) [2025-01-09 03:40:37,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 524 states and 861 transitions. [2025-01-09 03:40:37,798 INFO L78 Accepts]: Start accepts. Automaton has 524 states and 861 transitions. Word has length 106 [2025-01-09 03:40:37,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:40:37,798 INFO L471 AbstractCegarLoop]: Abstraction has 524 states and 861 transitions. [2025-01-09 03:40:37,798 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 8.125) internal successors, (65), 8 states have internal predecessors, (65), 3 states have call successors, (12), 2 states have call predecessors, (12), 4 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2025-01-09 03:40:37,798 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 861 transitions. [2025-01-09 03:40:37,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2025-01-09 03:40:37,800 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:40:37,800 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 03:40:37,800 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-01-09 03:40:37,800 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:40:37,801 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:40:37,801 INFO L85 PathProgramCache]: Analyzing trace with hash -1467393476, now seen corresponding path program 1 times [2025-01-09 03:40:37,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:40:37,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876133693] [2025-01-09 03:40:37,801 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:40:37,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:40:37,814 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 106 statements into 1 equivalence classes. [2025-01-09 03:40:37,819 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 106 of 106 statements. [2025-01-09 03:40:37,819 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:40:37,819 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:40:37,881 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2025-01-09 03:40:37,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:40:37,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1876133693] [2025-01-09 03:40:37,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1876133693] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:40:37,883 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 03:40:37,883 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-09 03:40:37,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991965993] [2025-01-09 03:40:37,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:40:37,883 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-09 03:40:37,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:40:37,885 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-09 03:40:37,885 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-09 03:40:37,885 INFO L87 Difference]: Start difference. First operand 524 states and 861 transitions. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2025-01-09 03:40:37,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:40:37,929 INFO L93 Difference]: Finished difference Result 1023 states and 1692 transitions. [2025-01-09 03:40:37,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-09 03:40:37,930 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 106 [2025-01-09 03:40:37,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:40:37,933 INFO L225 Difference]: With dead ends: 1023 [2025-01-09 03:40:37,933 INFO L226 Difference]: Without dead ends: 520 [2025-01-09 03:40:37,935 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-01-09 03:40:37,935 INFO L435 NwaCegarLoop]: 829 mSDtfsCounter, 1 mSDsluCounter, 1652 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 2481 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 03:40:37,935 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 2481 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 03:40:37,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 520 states. [2025-01-09 03:40:37,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 520 to 520. [2025-01-09 03:40:37,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 520 states, 405 states have (on average 1.6592592592592592) internal successors, (672), 421 states have internal predecessors, (672), 91 states have call successors, (91), 23 states have call predecessors, (91), 23 states have return successors, (91), 88 states have call predecessors, (91), 90 states have call successors, (91) [2025-01-09 03:40:37,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 520 states and 854 transitions. [2025-01-09 03:40:37,950 INFO L78 Accepts]: Start accepts. Automaton has 520 states and 854 transitions. Word has length 106 [2025-01-09 03:40:37,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:40:37,950 INFO L471 AbstractCegarLoop]: Abstraction has 520 states and 854 transitions. [2025-01-09 03:40:37,951 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2025-01-09 03:40:37,951 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 854 transitions. [2025-01-09 03:40:37,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2025-01-09 03:40:37,952 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:40:37,952 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 03:40:37,952 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-01-09 03:40:37,953 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:40:37,953 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:40:37,953 INFO L85 PathProgramCache]: Analyzing trace with hash -1849400949, now seen corresponding path program 1 times [2025-01-09 03:40:37,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:40:37,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385874839] [2025-01-09 03:40:37,953 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:40:37,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:40:37,971 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 107 statements into 1 equivalence classes. [2025-01-09 03:40:37,976 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 107 of 107 statements. [2025-01-09 03:40:37,976 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:40:37,976 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:40:38,063 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2025-01-09 03:40:38,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:40:38,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385874839] [2025-01-09 03:40:38,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [385874839] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:40:38,064 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 03:40:38,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-01-09 03:40:38,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499878047] [2025-01-09 03:40:38,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:40:38,064 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-09 03:40:38,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:40:38,065 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-09 03:40:38,065 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-01-09 03:40:38,065 INFO L87 Difference]: Start difference. First operand 520 states and 854 transitions. Second operand has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 2 states have call successors, (12), 2 states have call predecessors, (12), 4 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2025-01-09 03:40:38,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:40:38,279 INFO L93 Difference]: Finished difference Result 1066 states and 1764 transitions. [2025-01-09 03:40:38,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-09 03:40:38,279 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 2 states have call successors, (12), 2 states have call predecessors, (12), 4 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 107 [2025-01-09 03:40:38,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:40:38,283 INFO L225 Difference]: With dead ends: 1066 [2025-01-09 03:40:38,283 INFO L226 Difference]: Without dead ends: 552 [2025-01-09 03:40:38,285 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-01-09 03:40:38,286 INFO L435 NwaCegarLoop]: 803 mSDtfsCounter, 72 mSDsluCounter, 3133 mSDsCounter, 0 mSdLazyCounter, 343 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 3936 SdHoareTripleChecker+Invalid, 355 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 343 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-09 03:40:38,286 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 3936 Invalid, 355 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 343 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-09 03:40:38,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 552 states. [2025-01-09 03:40:38,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 552 to 525. [2025-01-09 03:40:38,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 525 states, 410 states have (on average 1.6439024390243901) internal successors, (674), 425 states have internal predecessors, (674), 91 states have call successors, (91), 24 states have call predecessors, (91), 23 states have return successors, (90), 88 states have call predecessors, (90), 90 states have call successors, (90) [2025-01-09 03:40:38,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 525 states and 855 transitions. [2025-01-09 03:40:38,312 INFO L78 Accepts]: Start accepts. Automaton has 525 states and 855 transitions. Word has length 107 [2025-01-09 03:40:38,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:40:38,312 INFO L471 AbstractCegarLoop]: Abstraction has 525 states and 855 transitions. [2025-01-09 03:40:38,312 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 2 states have call successors, (12), 2 states have call predecessors, (12), 4 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2025-01-09 03:40:38,312 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 855 transitions. [2025-01-09 03:40:38,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2025-01-09 03:40:38,314 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:40:38,314 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 03:40:38,314 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-01-09 03:40:38,314 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:40:38,315 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:40:38,315 INFO L85 PathProgramCache]: Analyzing trace with hash 1847165568, now seen corresponding path program 1 times [2025-01-09 03:40:38,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:40:38,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669930562] [2025-01-09 03:40:38,315 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:40:38,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:40:38,328 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 108 statements into 1 equivalence classes. [2025-01-09 03:40:38,335 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 108 of 108 statements. [2025-01-09 03:40:38,335 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:40:38,335 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:40:38,448 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2025-01-09 03:40:38,449 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:40:38,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669930562] [2025-01-09 03:40:38,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1669930562] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:40:38,449 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 03:40:38,449 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-01-09 03:40:38,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699542111] [2025-01-09 03:40:38,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:40:38,450 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-09 03:40:38,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:40:38,450 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-09 03:40:38,451 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-01-09 03:40:38,451 INFO L87 Difference]: Start difference. First operand 525 states and 855 transitions. Second operand has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 6 states have internal predecessors, (67), 2 states have call successors, (12), 2 states have call predecessors, (12), 4 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2025-01-09 03:40:38,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:40:38,627 INFO L93 Difference]: Finished difference Result 1017 states and 1659 transitions. [2025-01-09 03:40:38,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-09 03:40:38,627 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 6 states have internal predecessors, (67), 2 states have call successors, (12), 2 states have call predecessors, (12), 4 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 108 [2025-01-09 03:40:38,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:40:38,630 INFO L225 Difference]: With dead ends: 1017 [2025-01-09 03:40:38,631 INFO L226 Difference]: Without dead ends: 543 [2025-01-09 03:40:38,633 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2025-01-09 03:40:38,633 INFO L435 NwaCegarLoop]: 792 mSDtfsCounter, 56 mSDsluCounter, 3121 mSDsCounter, 0 mSdLazyCounter, 274 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 3913 SdHoareTripleChecker+Invalid, 279 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 274 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-09 03:40:38,634 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 3913 Invalid, 279 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 274 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-09 03:40:38,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 543 states. [2025-01-09 03:40:38,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 543 to 525. [2025-01-09 03:40:38,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 525 states, 410 states have (on average 1.6341463414634145) internal successors, (670), 425 states have internal predecessors, (670), 91 states have call successors, (91), 24 states have call predecessors, (91), 23 states have return successors, (90), 88 states have call predecessors, (90), 90 states have call successors, (90) [2025-01-09 03:40:38,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 525 states and 851 transitions. [2025-01-09 03:40:38,654 INFO L78 Accepts]: Start accepts. Automaton has 525 states and 851 transitions. Word has length 108 [2025-01-09 03:40:38,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:40:38,654 INFO L471 AbstractCegarLoop]: Abstraction has 525 states and 851 transitions. [2025-01-09 03:40:38,654 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 6 states have internal predecessors, (67), 2 states have call successors, (12), 2 states have call predecessors, (12), 4 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2025-01-09 03:40:38,654 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 851 transitions. [2025-01-09 03:40:38,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2025-01-09 03:40:38,657 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:40:38,657 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 03:40:38,658 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-01-09 03:40:38,658 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:40:38,658 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:40:38,659 INFO L85 PathProgramCache]: Analyzing trace with hash 1641267440, now seen corresponding path program 1 times [2025-01-09 03:40:38,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:40:38,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509323242] [2025-01-09 03:40:38,659 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:40:38,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:40:38,674 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 109 statements into 1 equivalence classes. [2025-01-09 03:40:38,681 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 109 of 109 statements. [2025-01-09 03:40:38,681 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:40:38,681 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:40:38,781 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2025-01-09 03:40:38,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:40:38,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [509323242] [2025-01-09 03:40:38,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [509323242] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:40:38,782 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 03:40:38,782 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-01-09 03:40:38,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547971647] [2025-01-09 03:40:38,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:40:38,782 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-09 03:40:38,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:40:38,783 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-09 03:40:38,783 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-01-09 03:40:38,783 INFO L87 Difference]: Start difference. First operand 525 states and 851 transitions. Second operand has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 2 states have call successors, (12), 2 states have call predecessors, (12), 4 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2025-01-09 03:40:38,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:40:38,929 INFO L93 Difference]: Finished difference Result 1017 states and 1655 transitions. [2025-01-09 03:40:38,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-09 03:40:38,930 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 2 states have call successors, (12), 2 states have call predecessors, (12), 4 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 109 [2025-01-09 03:40:38,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:40:38,933 INFO L225 Difference]: With dead ends: 1017 [2025-01-09 03:40:38,933 INFO L226 Difference]: Without dead ends: 543 [2025-01-09 03:40:38,935 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2025-01-09 03:40:38,936 INFO L435 NwaCegarLoop]: 791 mSDtfsCounter, 55 mSDsluCounter, 3117 mSDsCounter, 0 mSdLazyCounter, 254 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 3908 SdHoareTripleChecker+Invalid, 259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 254 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-09 03:40:38,936 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 3908 Invalid, 259 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 254 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-09 03:40:38,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 543 states. [2025-01-09 03:40:38,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 543 to 525. [2025-01-09 03:40:38,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 525 states, 410 states have (on average 1.6243902439024391) internal successors, (666), 425 states have internal predecessors, (666), 91 states have call successors, (91), 24 states have call predecessors, (91), 23 states have return successors, (90), 88 states have call predecessors, (90), 90 states have call successors, (90) [2025-01-09 03:40:38,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 525 states and 847 transitions. [2025-01-09 03:40:38,951 INFO L78 Accepts]: Start accepts. Automaton has 525 states and 847 transitions. Word has length 109 [2025-01-09 03:40:38,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:40:38,951 INFO L471 AbstractCegarLoop]: Abstraction has 525 states and 847 transitions. [2025-01-09 03:40:38,952 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 2 states have call successors, (12), 2 states have call predecessors, (12), 4 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2025-01-09 03:40:38,952 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 847 transitions. [2025-01-09 03:40:38,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2025-01-09 03:40:38,954 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:40:38,954 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 03:40:38,954 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-01-09 03:40:38,954 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:40:38,954 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:40:38,954 INFO L85 PathProgramCache]: Analyzing trace with hash -865493648, now seen corresponding path program 1 times [2025-01-09 03:40:38,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:40:38,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227359135] [2025-01-09 03:40:38,955 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:40:38,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:40:38,968 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 109 statements into 1 equivalence classes. [2025-01-09 03:40:38,973 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 109 of 109 statements. [2025-01-09 03:40:38,973 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:40:38,973 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:40:39,064 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2025-01-09 03:40:39,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:40:39,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [227359135] [2025-01-09 03:40:39,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [227359135] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:40:39,064 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 03:40:39,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-01-09 03:40:39,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096226838] [2025-01-09 03:40:39,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:40:39,065 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-09 03:40:39,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:40:39,065 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-09 03:40:39,065 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-01-09 03:40:39,065 INFO L87 Difference]: Start difference. First operand 525 states and 847 transitions. Second operand has 7 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 3 states have call successors, (12), 2 states have call predecessors, (12), 4 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2025-01-09 03:40:39,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:40:39,126 INFO L93 Difference]: Finished difference Result 1008 states and 1637 transitions. [2025-01-09 03:40:39,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-09 03:40:39,127 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 3 states have call successors, (12), 2 states have call predecessors, (12), 4 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 109 [2025-01-09 03:40:39,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:40:39,129 INFO L225 Difference]: With dead ends: 1008 [2025-01-09 03:40:39,129 INFO L226 Difference]: Without dead ends: 513 [2025-01-09 03:40:39,131 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-01-09 03:40:39,132 INFO L435 NwaCegarLoop]: 817 mSDtfsCounter, 94 mSDsluCounter, 3989 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 4806 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 03:40:39,132 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 4806 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 03:40:39,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 513 states. [2025-01-09 03:40:39,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 513 to 504. [2025-01-09 03:40:39,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 504 states, 389 states have (on average 1.6169665809768639) internal successors, (629), 404 states have internal predecessors, (629), 91 states have call successors, (91), 24 states have call predecessors, (91), 23 states have return successors, (90), 88 states have call predecessors, (90), 90 states have call successors, (90) [2025-01-09 03:40:39,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 504 states and 810 transitions. [2025-01-09 03:40:39,156 INFO L78 Accepts]: Start accepts. Automaton has 504 states and 810 transitions. Word has length 109 [2025-01-09 03:40:39,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:40:39,157 INFO L471 AbstractCegarLoop]: Abstraction has 504 states and 810 transitions. [2025-01-09 03:40:39,157 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 3 states have call successors, (12), 2 states have call predecessors, (12), 4 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2025-01-09 03:40:39,157 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 810 transitions. [2025-01-09 03:40:39,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2025-01-09 03:40:39,159 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:40:39,159 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 03:40:39,159 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-01-09 03:40:39,159 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:40:39,160 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:40:39,160 INFO L85 PathProgramCache]: Analyzing trace with hash 718049605, now seen corresponding path program 1 times [2025-01-09 03:40:39,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:40:39,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244607693] [2025-01-09 03:40:39,160 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:40:39,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:40:39,174 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 110 statements into 1 equivalence classes. [2025-01-09 03:40:39,180 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 110 of 110 statements. [2025-01-09 03:40:39,180 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:40:39,180 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:40:39,254 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2025-01-09 03:40:39,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:40:39,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1244607693] [2025-01-09 03:40:39,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1244607693] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:40:39,254 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 03:40:39,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-01-09 03:40:39,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486067336] [2025-01-09 03:40:39,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:40:39,254 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-09 03:40:39,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:40:39,255 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-09 03:40:39,255 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-01-09 03:40:39,255 INFO L87 Difference]: Start difference. First operand 504 states and 810 transitions. Second operand has 6 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 2 states have call successors, (12), 2 states have call predecessors, (12), 4 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2025-01-09 03:40:39,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:40:39,333 INFO L93 Difference]: Finished difference Result 987 states and 1600 transitions. [2025-01-09 03:40:39,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-09 03:40:39,333 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 2 states have call successors, (12), 2 states have call predecessors, (12), 4 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 110 [2025-01-09 03:40:39,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:40:39,336 INFO L225 Difference]: With dead ends: 987 [2025-01-09 03:40:39,336 INFO L226 Difference]: Without dead ends: 513 [2025-01-09 03:40:39,338 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2025-01-09 03:40:39,338 INFO L435 NwaCegarLoop]: 792 mSDtfsCounter, 39 mSDsluCounter, 3121 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 3913 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-09 03:40:39,338 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 3913 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-09 03:40:39,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 513 states. [2025-01-09 03:40:39,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 513 to 504. [2025-01-09 03:40:39,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 504 states, 389 states have (on average 1.6143958868894601) internal successors, (628), 404 states have internal predecessors, (628), 91 states have call successors, (91), 24 states have call predecessors, (91), 23 states have return successors, (90), 88 states have call predecessors, (90), 90 states have call successors, (90) [2025-01-09 03:40:39,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 504 states and 809 transitions. [2025-01-09 03:40:39,352 INFO L78 Accepts]: Start accepts. Automaton has 504 states and 809 transitions. Word has length 110 [2025-01-09 03:40:39,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:40:39,352 INFO L471 AbstractCegarLoop]: Abstraction has 504 states and 809 transitions. [2025-01-09 03:40:39,352 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 2 states have call successors, (12), 2 states have call predecessors, (12), 4 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2025-01-09 03:40:39,353 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 809 transitions. [2025-01-09 03:40:39,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2025-01-09 03:40:39,354 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:40:39,354 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 03:40:39,354 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-01-09 03:40:39,355 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:40:39,355 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:40:39,355 INFO L85 PathProgramCache]: Analyzing trace with hash -967242667, now seen corresponding path program 1 times [2025-01-09 03:40:39,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:40:39,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779418468] [2025-01-09 03:40:39,355 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:40:39,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:40:39,367 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 111 statements into 1 equivalence classes. [2025-01-09 03:40:39,376 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 111 of 111 statements. [2025-01-09 03:40:39,376 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:40:39,376 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:40:39,456 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2025-01-09 03:40:39,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:40:39,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [779418468] [2025-01-09 03:40:39,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [779418468] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:40:39,457 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 03:40:39,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-01-09 03:40:39,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113383226] [2025-01-09 03:40:39,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:40:39,457 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-09 03:40:39,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:40:39,457 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-09 03:40:39,457 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-01-09 03:40:39,458 INFO L87 Difference]: Start difference. First operand 504 states and 809 transitions. Second operand has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 6 states have internal predecessors, (70), 2 states have call successors, (12), 2 states have call predecessors, (12), 4 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2025-01-09 03:40:39,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:40:39,537 INFO L93 Difference]: Finished difference Result 987 states and 1599 transitions. [2025-01-09 03:40:39,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-09 03:40:39,537 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 6 states have internal predecessors, (70), 2 states have call successors, (12), 2 states have call predecessors, (12), 4 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 111 [2025-01-09 03:40:39,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:40:39,540 INFO L225 Difference]: With dead ends: 987 [2025-01-09 03:40:39,540 INFO L226 Difference]: Without dead ends: 513 [2025-01-09 03:40:39,542 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2025-01-09 03:40:39,542 INFO L435 NwaCegarLoop]: 792 mSDtfsCounter, 38 mSDsluCounter, 3121 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 3913 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-09 03:40:39,542 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 3913 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-09 03:40:39,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 513 states. [2025-01-09 03:40:39,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 513 to 504. [2025-01-09 03:40:39,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 504 states, 389 states have (on average 1.6118251928020566) internal successors, (627), 404 states have internal predecessors, (627), 91 states have call successors, (91), 24 states have call predecessors, (91), 23 states have return successors, (90), 88 states have call predecessors, (90), 90 states have call successors, (90) [2025-01-09 03:40:39,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 504 states and 808 transitions. [2025-01-09 03:40:39,555 INFO L78 Accepts]: Start accepts. Automaton has 504 states and 808 transitions. Word has length 111 [2025-01-09 03:40:39,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:40:39,555 INFO L471 AbstractCegarLoop]: Abstraction has 504 states and 808 transitions. [2025-01-09 03:40:39,555 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 6 states have internal predecessors, (70), 2 states have call successors, (12), 2 states have call predecessors, (12), 4 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2025-01-09 03:40:39,555 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 808 transitions. [2025-01-09 03:40:39,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2025-01-09 03:40:39,557 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:40:39,557 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 03:40:39,557 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-01-09 03:40:39,557 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:40:39,557 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:40:39,558 INFO L85 PathProgramCache]: Analyzing trace with hash -507038710, now seen corresponding path program 1 times [2025-01-09 03:40:39,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:40:39,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797850442] [2025-01-09 03:40:39,558 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:40:39,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:40:39,570 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 112 statements into 1 equivalence classes. [2025-01-09 03:40:39,575 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 112 of 112 statements. [2025-01-09 03:40:39,575 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:40:39,575 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:40:39,728 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2025-01-09 03:40:39,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:40:39,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797850442] [2025-01-09 03:40:39,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [797850442] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:40:39,729 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 03:40:39,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-01-09 03:40:39,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155280794] [2025-01-09 03:40:39,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:40:39,729 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-01-09 03:40:39,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:40:39,730 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-01-09 03:40:39,730 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2025-01-09 03:40:39,730 INFO L87 Difference]: Start difference. First operand 504 states and 808 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 9 states have internal predecessors, (71), 3 states have call successors, (12), 2 states have call predecessors, (12), 4 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2025-01-09 03:40:39,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:40:39,877 INFO L93 Difference]: Finished difference Result 977 states and 1581 transitions. [2025-01-09 03:40:39,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-09 03:40:39,878 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 9 states have internal predecessors, (71), 3 states have call successors, (12), 2 states have call predecessors, (12), 4 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 112 [2025-01-09 03:40:39,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:40:39,881 INFO L225 Difference]: With dead ends: 977 [2025-01-09 03:40:39,881 INFO L226 Difference]: Without dead ends: 509 [2025-01-09 03:40:39,884 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2025-01-09 03:40:39,884 INFO L435 NwaCegarLoop]: 764 mSDtfsCounter, 21 mSDsluCounter, 6081 mSDsCounter, 0 mSdLazyCounter, 233 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 6845 SdHoareTripleChecker+Invalid, 235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 233 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-09 03:40:39,884 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 6845 Invalid, 235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 233 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-09 03:40:39,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 509 states. [2025-01-09 03:40:39,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 509 to 506. [2025-01-09 03:40:39,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 506 states, 391 states have (on average 1.60613810741688) internal successors, (628), 406 states have internal predecessors, (628), 91 states have call successors, (91), 24 states have call predecessors, (91), 23 states have return successors, (90), 88 states have call predecessors, (90), 90 states have call successors, (90) [2025-01-09 03:40:39,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 506 states and 809 transitions. [2025-01-09 03:40:39,901 INFO L78 Accepts]: Start accepts. Automaton has 506 states and 809 transitions. Word has length 112 [2025-01-09 03:40:39,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:40:39,901 INFO L471 AbstractCegarLoop]: Abstraction has 506 states and 809 transitions. [2025-01-09 03:40:39,901 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 9 states have internal predecessors, (71), 3 states have call successors, (12), 2 states have call predecessors, (12), 4 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2025-01-09 03:40:39,901 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 809 transitions. [2025-01-09 03:40:39,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2025-01-09 03:40:39,903 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:40:39,903 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 03:40:39,903 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-01-09 03:40:39,903 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:40:39,903 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:40:39,903 INFO L85 PathProgramCache]: Analyzing trace with hash 748148874, now seen corresponding path program 1 times [2025-01-09 03:40:39,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:40:39,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663846459] [2025-01-09 03:40:39,904 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:40:39,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:40:39,917 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 113 statements into 1 equivalence classes. [2025-01-09 03:40:39,923 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 113 of 113 statements. [2025-01-09 03:40:39,923 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:40:39,923 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:40:40,008 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2025-01-09 03:40:40,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:40:40,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663846459] [2025-01-09 03:40:40,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [663846459] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 03:40:40,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1985177038] [2025-01-09 03:40:40,009 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:40:40,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 03:40:40,009 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 03:40:40,011 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 03:40:40,013 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-01-09 03:40:40,126 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 113 statements into 1 equivalence classes. [2025-01-09 03:40:40,238 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 113 of 113 statements. [2025-01-09 03:40:40,239 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:40:40,239 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:40:40,243 INFO L256 TraceCheckSpWp]: Trace formula consists of 1208 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-09 03:40:40,249 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 03:40:40,348 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2025-01-09 03:40:40,348 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 03:40:40,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1985177038] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:40:40,348 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 03:40:40,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2025-01-09 03:40:40,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552290437] [2025-01-09 03:40:40,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:40:40,348 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-09 03:40:40,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:40:40,349 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-09 03:40:40,349 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2025-01-09 03:40:40,349 INFO L87 Difference]: Start difference. First operand 506 states and 809 transitions. Second operand has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2025-01-09 03:40:40,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:40:40,787 INFO L93 Difference]: Finished difference Result 977 states and 1604 transitions. [2025-01-09 03:40:40,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-09 03:40:40,788 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 113 [2025-01-09 03:40:40,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:40:40,791 INFO L225 Difference]: With dead ends: 977 [2025-01-09 03:40:40,791 INFO L226 Difference]: Without dead ends: 514 [2025-01-09 03:40:40,793 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2025-01-09 03:40:40,794 INFO L435 NwaCegarLoop]: 770 mSDtfsCounter, 751 mSDsluCounter, 1184 mSDsCounter, 0 mSdLazyCounter, 421 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 755 SdHoareTripleChecker+Valid, 1954 SdHoareTripleChecker+Invalid, 436 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 421 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-01-09 03:40:40,794 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [755 Valid, 1954 Invalid, 436 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 421 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-01-09 03:40:40,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 514 states. [2025-01-09 03:40:40,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 514 to 514. [2025-01-09 03:40:40,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 514 states, 398 states have (on average 1.6080402010050252) internal successors, (640), 413 states have internal predecessors, (640), 91 states have call successors, (91), 25 states have call predecessors, (91), 24 states have return successors, (91), 88 states have call predecessors, (91), 90 states have call successors, (91) [2025-01-09 03:40:40,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 514 states and 822 transitions. [2025-01-09 03:40:40,810 INFO L78 Accepts]: Start accepts. Automaton has 514 states and 822 transitions. Word has length 113 [2025-01-09 03:40:40,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:40:40,811 INFO L471 AbstractCegarLoop]: Abstraction has 514 states and 822 transitions. [2025-01-09 03:40:40,811 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2025-01-09 03:40:40,811 INFO L276 IsEmpty]: Start isEmpty. Operand 514 states and 822 transitions. [2025-01-09 03:40:40,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2025-01-09 03:40:40,813 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:40:40,813 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 03:40:40,821 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-01-09 03:40:41,013 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2025-01-09 03:40:41,014 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:40:41,015 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:40:41,015 INFO L85 PathProgramCache]: Analyzing trace with hash 1396015579, now seen corresponding path program 1 times [2025-01-09 03:40:41,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:40:41,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183916530] [2025-01-09 03:40:41,015 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:40:41,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:40:41,030 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 116 statements into 1 equivalence classes. [2025-01-09 03:40:41,037 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 116 of 116 statements. [2025-01-09 03:40:41,037 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:40:41,037 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:40:41,108 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2025-01-09 03:40:41,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:40:41,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183916530] [2025-01-09 03:40:41,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1183916530] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 03:40:41,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1881824553] [2025-01-09 03:40:41,110 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:40:41,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 03:40:41,110 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 03:40:41,112 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 03:40:41,113 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-01-09 03:40:41,224 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 116 statements into 1 equivalence classes. [2025-01-09 03:40:41,329 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 116 of 116 statements. [2025-01-09 03:40:41,330 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:40:41,330 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:40:41,333 INFO L256 TraceCheckSpWp]: Trace formula consists of 1211 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-09 03:40:41,336 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 03:40:41,442 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2025-01-09 03:40:41,444 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 03:40:41,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1881824553] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:40:41,444 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 03:40:41,444 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2025-01-09 03:40:41,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127934891] [2025-01-09 03:40:41,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:40:41,445 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-09 03:40:41,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:40:41,445 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-09 03:40:41,445 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2025-01-09 03:40:41,445 INFO L87 Difference]: Start difference. First operand 514 states and 822 transitions. Second operand has 5 states, 5 states have (on average 15.6) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2025-01-09 03:40:41,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:40:41,841 INFO L93 Difference]: Finished difference Result 993 states and 1627 transitions. [2025-01-09 03:40:41,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-09 03:40:41,841 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 116 [2025-01-09 03:40:41,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:40:41,846 INFO L225 Difference]: With dead ends: 993 [2025-01-09 03:40:41,846 INFO L226 Difference]: Without dead ends: 522 [2025-01-09 03:40:41,849 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2025-01-09 03:40:41,850 INFO L435 NwaCegarLoop]: 767 mSDtfsCounter, 738 mSDsluCounter, 1184 mSDsCounter, 0 mSdLazyCounter, 420 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 745 SdHoareTripleChecker+Valid, 1951 SdHoareTripleChecker+Invalid, 436 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 420 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-09 03:40:41,850 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [745 Valid, 1951 Invalid, 436 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 420 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-09 03:40:41,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 522 states. [2025-01-09 03:40:41,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 522 to 522. [2025-01-09 03:40:41,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 522 states, 405 states have (on average 1.6098765432098765) internal successors, (652), 420 states have internal predecessors, (652), 91 states have call successors, (91), 26 states have call predecessors, (91), 25 states have return successors, (92), 88 states have call predecessors, (92), 90 states have call successors, (92) [2025-01-09 03:40:41,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 522 states and 835 transitions. [2025-01-09 03:40:41,871 INFO L78 Accepts]: Start accepts. Automaton has 522 states and 835 transitions. Word has length 116 [2025-01-09 03:40:41,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:40:41,871 INFO L471 AbstractCegarLoop]: Abstraction has 522 states and 835 transitions. [2025-01-09 03:40:41,871 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2025-01-09 03:40:41,871 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 835 transitions. [2025-01-09 03:40:41,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2025-01-09 03:40:41,873 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:40:41,873 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 03:40:41,880 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-01-09 03:40:42,077 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2025-01-09 03:40:42,077 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:40:42,078 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:40:42,078 INFO L85 PathProgramCache]: Analyzing trace with hash 291085670, now seen corresponding path program 1 times [2025-01-09 03:40:42,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:40:42,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647022435] [2025-01-09 03:40:42,078 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:40:42,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:40:42,104 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 119 statements into 1 equivalence classes. [2025-01-09 03:40:42,111 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 119 of 119 statements. [2025-01-09 03:40:42,111 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:40:42,111 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:40:42,177 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2025-01-09 03:40:42,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:40:42,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [647022435] [2025-01-09 03:40:42,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [647022435] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 03:40:42,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1214003673] [2025-01-09 03:40:42,177 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:40:42,177 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 03:40:42,177 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 03:40:42,180 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 03:40:42,182 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-01-09 03:40:42,323 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 119 statements into 1 equivalence classes. [2025-01-09 03:40:42,460 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 119 of 119 statements. [2025-01-09 03:40:42,460 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:40:42,460 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:40:42,468 INFO L256 TraceCheckSpWp]: Trace formula consists of 1214 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-09 03:40:42,472 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 03:40:42,563 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2025-01-09 03:40:42,563 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 03:40:42,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1214003673] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:40:42,563 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 03:40:42,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2025-01-09 03:40:42,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208409725] [2025-01-09 03:40:42,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:40:42,565 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-09 03:40:42,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:40:42,566 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-09 03:40:42,566 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2025-01-09 03:40:42,566 INFO L87 Difference]: Start difference. First operand 522 states and 835 transitions. Second operand has 5 states, 5 states have (on average 16.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2025-01-09 03:40:42,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:40:42,946 INFO L93 Difference]: Finished difference Result 1009 states and 1650 transitions. [2025-01-09 03:40:42,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-09 03:40:42,946 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 119 [2025-01-09 03:40:42,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:40:42,949 INFO L225 Difference]: With dead ends: 1009 [2025-01-09 03:40:42,949 INFO L226 Difference]: Without dead ends: 530 [2025-01-09 03:40:42,952 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2025-01-09 03:40:42,952 INFO L435 NwaCegarLoop]: 764 mSDtfsCounter, 742 mSDsluCounter, 1184 mSDsCounter, 0 mSdLazyCounter, 419 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 752 SdHoareTripleChecker+Valid, 1948 SdHoareTripleChecker+Invalid, 436 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 419 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-09 03:40:42,952 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [752 Valid, 1948 Invalid, 436 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 419 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-09 03:40:42,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 530 states. [2025-01-09 03:40:42,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 530 to 530. [2025-01-09 03:40:42,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 530 states, 412 states have (on average 1.6116504854368932) internal successors, (664), 427 states have internal predecessors, (664), 91 states have call successors, (91), 27 states have call predecessors, (91), 26 states have return successors, (93), 88 states have call predecessors, (93), 90 states have call successors, (93) [2025-01-09 03:40:42,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 530 states and 848 transitions. [2025-01-09 03:40:42,967 INFO L78 Accepts]: Start accepts. Automaton has 530 states and 848 transitions. Word has length 119 [2025-01-09 03:40:42,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:40:42,967 INFO L471 AbstractCegarLoop]: Abstraction has 530 states and 848 transitions. [2025-01-09 03:40:42,968 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2025-01-09 03:40:42,968 INFO L276 IsEmpty]: Start isEmpty. Operand 530 states and 848 transitions. [2025-01-09 03:40:42,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2025-01-09 03:40:42,969 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:40:42,969 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 03:40:42,978 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-01-09 03:40:43,174 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 03:40:43,174 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:40:43,174 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:40:43,174 INFO L85 PathProgramCache]: Analyzing trace with hash 1135759343, now seen corresponding path program 1 times [2025-01-09 03:40:43,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:40:43,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547931410] [2025-01-09 03:40:43,174 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:40:43,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:40:43,186 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 122 statements into 1 equivalence classes. [2025-01-09 03:40:43,191 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 122 of 122 statements. [2025-01-09 03:40:43,191 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:40:43,191 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:40:43,265 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2025-01-09 03:40:43,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:40:43,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547931410] [2025-01-09 03:40:43,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [547931410] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 03:40:43,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [121133200] [2025-01-09 03:40:43,265 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:40:43,265 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 03:40:43,265 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 03:40:43,268 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 03:40:43,269 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-01-09 03:40:43,369 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 122 statements into 1 equivalence classes. [2025-01-09 03:40:43,458 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 122 of 122 statements. [2025-01-09 03:40:43,458 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:40:43,458 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:40:43,462 INFO L256 TraceCheckSpWp]: Trace formula consists of 1217 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-09 03:40:43,464 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 03:40:43,553 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2025-01-09 03:40:43,553 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 03:40:43,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [121133200] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:40:43,553 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 03:40:43,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2025-01-09 03:40:43,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202788685] [2025-01-09 03:40:43,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:40:43,555 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-09 03:40:43,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:40:43,556 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-09 03:40:43,556 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2025-01-09 03:40:43,556 INFO L87 Difference]: Start difference. First operand 530 states and 848 transitions. Second operand has 5 states, 5 states have (on average 16.4) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2025-01-09 03:40:43,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:40:43,918 INFO L93 Difference]: Finished difference Result 1025 states and 1673 transitions. [2025-01-09 03:40:43,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-09 03:40:43,918 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 122 [2025-01-09 03:40:43,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:40:43,921 INFO L225 Difference]: With dead ends: 1025 [2025-01-09 03:40:43,922 INFO L226 Difference]: Without dead ends: 538 [2025-01-09 03:40:43,924 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2025-01-09 03:40:43,924 INFO L435 NwaCegarLoop]: 761 mSDtfsCounter, 736 mSDsluCounter, 1184 mSDsCounter, 0 mSdLazyCounter, 418 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 749 SdHoareTripleChecker+Valid, 1945 SdHoareTripleChecker+Invalid, 436 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 418 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-09 03:40:43,925 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [749 Valid, 1945 Invalid, 436 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 418 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-09 03:40:43,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2025-01-09 03:40:43,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 538. [2025-01-09 03:40:43,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 538 states, 419 states have (on average 1.6133651551312649) internal successors, (676), 434 states have internal predecessors, (676), 91 states have call successors, (91), 28 states have call predecessors, (91), 27 states have return successors, (94), 88 states have call predecessors, (94), 90 states have call successors, (94) [2025-01-09 03:40:43,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 861 transitions. [2025-01-09 03:40:43,940 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 861 transitions. Word has length 122 [2025-01-09 03:40:43,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:40:43,940 INFO L471 AbstractCegarLoop]: Abstraction has 538 states and 861 transitions. [2025-01-09 03:40:43,940 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2025-01-09 03:40:43,940 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 861 transitions. [2025-01-09 03:40:43,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2025-01-09 03:40:43,942 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:40:43,942 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 03:40:43,949 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-01-09 03:40:44,146 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2025-01-09 03:40:44,146 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:40:44,147 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:40:44,147 INFO L85 PathProgramCache]: Analyzing trace with hash 589671490, now seen corresponding path program 1 times [2025-01-09 03:40:44,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:40:44,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248264148] [2025-01-09 03:40:44,147 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:40:44,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:40:44,157 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 125 statements into 1 equivalence classes. [2025-01-09 03:40:44,163 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 125 of 125 statements. [2025-01-09 03:40:44,163 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:40:44,163 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:40:44,312 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2025-01-09 03:40:44,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:40:44,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1248264148] [2025-01-09 03:40:44,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1248264148] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 03:40:44,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1704410418] [2025-01-09 03:40:44,313 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:40:44,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 03:40:44,314 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 03:40:44,316 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 03:40:44,317 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-01-09 03:40:44,414 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 125 statements into 1 equivalence classes. [2025-01-09 03:40:44,507 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 125 of 125 statements. [2025-01-09 03:40:44,507 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:40:44,507 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:40:44,510 INFO L256 TraceCheckSpWp]: Trace formula consists of 1220 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-01-09 03:40:44,513 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 03:40:44,652 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2025-01-09 03:40:44,653 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 03:40:44,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1704410418] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:40:44,653 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 03:40:44,653 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 13 [2025-01-09 03:40:44,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976917089] [2025-01-09 03:40:44,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:40:44,653 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-09 03:40:44,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:40:44,653 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-09 03:40:44,653 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2025-01-09 03:40:44,654 INFO L87 Difference]: Start difference. First operand 538 states and 861 transitions. Second operand has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 5 states have internal predecessors, (88), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2025-01-09 03:40:45,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:40:45,093 INFO L93 Difference]: Finished difference Result 1526 states and 2508 transitions. [2025-01-09 03:40:45,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-09 03:40:45,094 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 5 states have internal predecessors, (88), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 125 [2025-01-09 03:40:45,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:40:45,102 INFO L225 Difference]: With dead ends: 1526 [2025-01-09 03:40:45,102 INFO L226 Difference]: Without dead ends: 1031 [2025-01-09 03:40:45,104 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2025-01-09 03:40:45,104 INFO L435 NwaCegarLoop]: 851 mSDtfsCounter, 702 mSDsluCounter, 2684 mSDsCounter, 0 mSdLazyCounter, 609 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 708 SdHoareTripleChecker+Valid, 3535 SdHoareTripleChecker+Invalid, 619 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 609 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-01-09 03:40:45,104 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [708 Valid, 3535 Invalid, 619 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 609 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-01-09 03:40:45,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1031 states. [2025-01-09 03:40:45,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1031 to 1024. [2025-01-09 03:40:45,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1024 states, 797 states have (on average 1.6323713927227101) internal successors, (1301), 826 states have internal predecessors, (1301), 174 states have call successors, (174), 52 states have call predecessors, (174), 52 states have return successors, (193), 171 states have call predecessors, (193), 172 states have call successors, (193) [2025-01-09 03:40:45,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1024 states to 1024 states and 1668 transitions. [2025-01-09 03:40:45,138 INFO L78 Accepts]: Start accepts. Automaton has 1024 states and 1668 transitions. Word has length 125 [2025-01-09 03:40:45,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:40:45,139 INFO L471 AbstractCegarLoop]: Abstraction has 1024 states and 1668 transitions. [2025-01-09 03:40:45,139 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 5 states have internal predecessors, (88), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2025-01-09 03:40:45,139 INFO L276 IsEmpty]: Start isEmpty. Operand 1024 states and 1668 transitions. [2025-01-09 03:40:45,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2025-01-09 03:40:45,141 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:40:45,141 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 03:40:45,149 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-01-09 03:40:45,342 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 03:40:45,342 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:40:45,342 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:40:45,343 INFO L85 PathProgramCache]: Analyzing trace with hash -317364318, now seen corresponding path program 1 times [2025-01-09 03:40:45,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:40:45,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241519391] [2025-01-09 03:40:45,343 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:40:45,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:40:45,353 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 127 statements into 1 equivalence classes. [2025-01-09 03:40:45,361 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 127 of 127 statements. [2025-01-09 03:40:45,361 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:40:45,361 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:40:45,525 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2025-01-09 03:40:45,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:40:45,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241519391] [2025-01-09 03:40:45,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [241519391] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 03:40:45,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1672746864] [2025-01-09 03:40:45,525 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:40:45,525 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 03:40:45,526 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 03:40:45,527 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 03:40:45,529 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-01-09 03:40:45,647 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 127 statements into 1 equivalence classes. [2025-01-09 03:40:45,738 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 127 of 127 statements. [2025-01-09 03:40:45,738 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:40:45,738 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:40:45,745 INFO L256 TraceCheckSpWp]: Trace formula consists of 1216 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-01-09 03:40:45,749 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 03:40:45,853 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-01-09 03:40:45,854 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 03:40:45,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1672746864] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:40:45,854 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 03:40:45,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2025-01-09 03:40:45,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536233864] [2025-01-09 03:40:45,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:40:45,854 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-09 03:40:45,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:40:45,854 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-09 03:40:45,855 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2025-01-09 03:40:45,855 INFO L87 Difference]: Start difference. First operand 1024 states and 1668 transitions. Second operand has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2025-01-09 03:40:46,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:40:46,173 INFO L93 Difference]: Finished difference Result 2023 states and 3343 transitions. [2025-01-09 03:40:46,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-09 03:40:46,173 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 127 [2025-01-09 03:40:46,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:40:46,179 INFO L225 Difference]: With dead ends: 2023 [2025-01-09 03:40:46,180 INFO L226 Difference]: Without dead ends: 1042 [2025-01-09 03:40:46,184 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2025-01-09 03:40:46,185 INFO L435 NwaCegarLoop]: 810 mSDtfsCounter, 719 mSDsluCounter, 2168 mSDsCounter, 0 mSdLazyCounter, 253 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 719 SdHoareTripleChecker+Valid, 2978 SdHoareTripleChecker+Invalid, 269 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 253 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-09 03:40:46,185 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [719 Valid, 2978 Invalid, 269 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 253 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-09 03:40:46,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1042 states. [2025-01-09 03:40:46,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1042 to 1034. [2025-01-09 03:40:46,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1034 states, 803 states have (on average 1.6276463262764633) internal successors, (1307), 835 states have internal predecessors, (1307), 176 states have call successors, (176), 53 states have call predecessors, (176), 54 states have return successors, (203), 171 states have call predecessors, (203), 174 states have call successors, (203) [2025-01-09 03:40:46,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1034 states to 1034 states and 1686 transitions. [2025-01-09 03:40:46,222 INFO L78 Accepts]: Start accepts. Automaton has 1034 states and 1686 transitions. Word has length 127 [2025-01-09 03:40:46,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:40:46,222 INFO L471 AbstractCegarLoop]: Abstraction has 1034 states and 1686 transitions. [2025-01-09 03:40:46,222 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2025-01-09 03:40:46,222 INFO L276 IsEmpty]: Start isEmpty. Operand 1034 states and 1686 transitions. [2025-01-09 03:40:46,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2025-01-09 03:40:46,224 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:40:46,224 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 03:40:46,233 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-01-09 03:40:46,424 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,7 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 03:40:46,425 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:40:46,425 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:40:46,425 INFO L85 PathProgramCache]: Analyzing trace with hash 1989621369, now seen corresponding path program 1 times [2025-01-09 03:40:46,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:40:46,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313471526] [2025-01-09 03:40:46,425 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:40:46,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:40:46,436 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 132 statements into 1 equivalence classes. [2025-01-09 03:40:46,443 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 132 of 132 statements. [2025-01-09 03:40:46,443 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:40:46,443 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:40:46,600 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2025-01-09 03:40:46,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:40:46,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [313471526] [2025-01-09 03:40:46,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [313471526] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 03:40:46,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2050914539] [2025-01-09 03:40:46,600 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:40:46,600 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 03:40:46,600 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 03:40:46,602 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 03:40:46,604 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-01-09 03:40:46,705 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 132 statements into 1 equivalence classes. [2025-01-09 03:40:46,798 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 132 of 132 statements. [2025-01-09 03:40:46,798 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:40:46,798 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:40:46,802 INFO L256 TraceCheckSpWp]: Trace formula consists of 1233 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-01-09 03:40:46,804 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 03:40:46,823 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-01-09 03:40:46,823 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 03:40:46,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2050914539] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:40:46,824 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 03:40:46,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2025-01-09 03:40:46,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979681101] [2025-01-09 03:40:46,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:40:46,824 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 03:40:46,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:40:46,825 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 03:40:46,825 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2025-01-09 03:40:46,825 INFO L87 Difference]: Start difference. First operand 1034 states and 1686 transitions. Second operand has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2025-01-09 03:40:46,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:40:46,879 INFO L93 Difference]: Finished difference Result 2511 states and 4164 transitions. [2025-01-09 03:40:46,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 03:40:46,879 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 132 [2025-01-09 03:40:46,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:40:46,887 INFO L225 Difference]: With dead ends: 2511 [2025-01-09 03:40:46,887 INFO L226 Difference]: Without dead ends: 1521 [2025-01-09 03:40:46,891 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2025-01-09 03:40:46,892 INFO L435 NwaCegarLoop]: 1460 mSDtfsCounter, 748 mSDsluCounter, 782 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 748 SdHoareTripleChecker+Valid, 2242 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 03:40:46,892 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [748 Valid, 2242 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 03:40:46,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1521 states. [2025-01-09 03:40:46,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1521 to 1034. [2025-01-09 03:40:46,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1034 states, 803 states have (on average 1.62640099626401) internal successors, (1306), 835 states have internal predecessors, (1306), 176 states have call successors, (176), 53 states have call predecessors, (176), 54 states have return successors, (203), 171 states have call predecessors, (203), 174 states have call successors, (203) [2025-01-09 03:40:46,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1034 states to 1034 states and 1685 transitions. [2025-01-09 03:40:46,960 INFO L78 Accepts]: Start accepts. Automaton has 1034 states and 1685 transitions. Word has length 132 [2025-01-09 03:40:46,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:40:46,961 INFO L471 AbstractCegarLoop]: Abstraction has 1034 states and 1685 transitions. [2025-01-09 03:40:46,961 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2025-01-09 03:40:46,961 INFO L276 IsEmpty]: Start isEmpty. Operand 1034 states and 1685 transitions. [2025-01-09 03:40:46,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2025-01-09 03:40:46,963 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:40:46,963 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 03:40:46,970 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2025-01-09 03:40:47,168 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 03:40:47,168 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:40:47,169 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:40:47,169 INFO L85 PathProgramCache]: Analyzing trace with hash -1603746053, now seen corresponding path program 1 times [2025-01-09 03:40:47,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:40:47,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045021661] [2025-01-09 03:40:47,169 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:40:47,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:40:47,181 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 132 statements into 1 equivalence classes. [2025-01-09 03:40:47,187 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 132 of 132 statements. [2025-01-09 03:40:47,187 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:40:47,187 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:40:47,331 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2025-01-09 03:40:47,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:40:47,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2045021661] [2025-01-09 03:40:47,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2045021661] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 03:40:47,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1393142953] [2025-01-09 03:40:47,332 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:40:47,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 03:40:47,332 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 03:40:47,334 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 03:40:47,342 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-01-09 03:40:47,448 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 132 statements into 1 equivalence classes. [2025-01-09 03:40:47,540 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 132 of 132 statements. [2025-01-09 03:40:47,541 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:40:47,541 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:40:47,544 INFO L256 TraceCheckSpWp]: Trace formula consists of 1232 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-01-09 03:40:47,548 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 03:40:47,637 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-01-09 03:40:47,637 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 03:40:47,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1393142953] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:40:47,637 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 03:40:47,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2025-01-09 03:40:47,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399977113] [2025-01-09 03:40:47,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:40:47,637 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-09 03:40:47,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:40:47,638 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-09 03:40:47,638 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2025-01-09 03:40:47,638 INFO L87 Difference]: Start difference. First operand 1034 states and 1685 transitions. Second operand has 5 states, 5 states have (on average 17.8) internal successors, (89), 5 states have internal predecessors, (89), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2025-01-09 03:40:47,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:40:47,733 INFO L93 Difference]: Finished difference Result 2596 states and 4256 transitions. [2025-01-09 03:40:47,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-09 03:40:47,734 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 5 states have internal predecessors, (89), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 132 [2025-01-09 03:40:47,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:40:47,743 INFO L225 Difference]: With dead ends: 2596 [2025-01-09 03:40:47,743 INFO L226 Difference]: Without dead ends: 1607 [2025-01-09 03:40:47,748 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2025-01-09 03:40:47,750 INFO L435 NwaCegarLoop]: 864 mSDtfsCounter, 344 mSDsluCounter, 2513 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 344 SdHoareTripleChecker+Valid, 3377 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 03:40:47,750 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [344 Valid, 3377 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 03:40:47,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1607 states. [2025-01-09 03:40:47,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1607 to 1607. [2025-01-09 03:40:47,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1607 states, 1255 states have (on average 1.600796812749004) internal successors, (2009), 1292 states have internal predecessors, (2009), 260 states have call successors, (260), 89 states have call predecessors, (260), 91 states have return successors, (339), 251 states have call predecessors, (339), 256 states have call successors, (339) [2025-01-09 03:40:47,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1607 states to 1607 states and 2608 transitions. [2025-01-09 03:40:47,819 INFO L78 Accepts]: Start accepts. Automaton has 1607 states and 2608 transitions. Word has length 132 [2025-01-09 03:40:47,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:40:47,820 INFO L471 AbstractCegarLoop]: Abstraction has 1607 states and 2608 transitions. [2025-01-09 03:40:47,820 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 5 states have internal predecessors, (89), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2025-01-09 03:40:47,820 INFO L276 IsEmpty]: Start isEmpty. Operand 1607 states and 2608 transitions. [2025-01-09 03:40:47,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2025-01-09 03:40:47,823 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:40:47,824 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 03:40:47,831 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2025-01-09 03:40:48,024 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 03:40:48,024 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:40:48,025 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:40:48,025 INFO L85 PathProgramCache]: Analyzing trace with hash 1475067517, now seen corresponding path program 1 times [2025-01-09 03:40:48,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:40:48,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513436979] [2025-01-09 03:40:48,025 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:40:48,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:40:48,038 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 132 statements into 1 equivalence classes. [2025-01-09 03:40:48,045 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 132 of 132 statements. [2025-01-09 03:40:48,045 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:40:48,045 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:40:48,184 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2025-01-09 03:40:48,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:40:48,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513436979] [2025-01-09 03:40:48,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1513436979] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 03:40:48,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [898999830] [2025-01-09 03:40:48,184 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:40:48,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 03:40:48,184 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 03:40:48,186 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 03:40:48,187 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-01-09 03:40:48,288 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 132 statements into 1 equivalence classes. [2025-01-09 03:40:48,379 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 132 of 132 statements. [2025-01-09 03:40:48,379 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:40:48,379 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:40:48,383 INFO L256 TraceCheckSpWp]: Trace formula consists of 1229 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-01-09 03:40:48,405 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 03:40:48,462 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-01-09 03:40:48,462 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 03:40:48,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [898999830] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:40:48,462 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 03:40:48,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 10 [2025-01-09 03:40:48,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552361148] [2025-01-09 03:40:48,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:40:48,463 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 03:40:48,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:40:48,463 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 03:40:48,463 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2025-01-09 03:40:48,463 INFO L87 Difference]: Start difference. First operand 1607 states and 2608 transitions. Second operand has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 2 states have internal predecessors, (89), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2025-01-09 03:40:48,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:40:48,503 INFO L93 Difference]: Finished difference Result 2919 states and 4731 transitions. [2025-01-09 03:40:48,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 03:40:48,503 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 2 states have internal predecessors, (89), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 132 [2025-01-09 03:40:48,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:40:48,510 INFO L225 Difference]: With dead ends: 2919 [2025-01-09 03:40:48,510 INFO L226 Difference]: Without dead ends: 1357 [2025-01-09 03:40:48,518 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2025-01-09 03:40:48,518 INFO L435 NwaCegarLoop]: 894 mSDtfsCounter, 510 mSDsluCounter, 390 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 510 SdHoareTripleChecker+Valid, 1284 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 03:40:48,519 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [510 Valid, 1284 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 03:40:48,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1357 states. [2025-01-09 03:40:48,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1357 to 1357. [2025-01-09 03:40:48,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1357 states, 1057 states have (on average 1.5818353831598864) internal successors, (1672), 1085 states have internal predecessors, (1672), 219 states have call successors, (219), 81 states have call predecessors, (219), 80 states have return successors, (275), 214 states have call predecessors, (275), 215 states have call successors, (275) [2025-01-09 03:40:48,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1357 states to 1357 states and 2166 transitions. [2025-01-09 03:40:48,565 INFO L78 Accepts]: Start accepts. Automaton has 1357 states and 2166 transitions. Word has length 132 [2025-01-09 03:40:48,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:40:48,565 INFO L471 AbstractCegarLoop]: Abstraction has 1357 states and 2166 transitions. [2025-01-09 03:40:48,566 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 2 states have internal predecessors, (89), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2025-01-09 03:40:48,566 INFO L276 IsEmpty]: Start isEmpty. Operand 1357 states and 2166 transitions. [2025-01-09 03:40:48,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2025-01-09 03:40:48,569 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:40:48,569 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 03:40:48,580 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2025-01-09 03:40:48,769 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 03:40:48,770 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:40:48,770 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:40:48,770 INFO L85 PathProgramCache]: Analyzing trace with hash 224380129, now seen corresponding path program 1 times [2025-01-09 03:40:48,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:40:48,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880337476] [2025-01-09 03:40:48,771 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:40:48,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:40:48,781 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 155 statements into 1 equivalence classes. [2025-01-09 03:40:48,787 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 155 of 155 statements. [2025-01-09 03:40:48,787 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:40:48,787 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:40:48,914 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2025-01-09 03:40:48,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:40:48,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880337476] [2025-01-09 03:40:48,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1880337476] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 03:40:48,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1424472263] [2025-01-09 03:40:48,914 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:40:48,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 03:40:48,914 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 03:40:48,916 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 03:40:48,917 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-01-09 03:40:49,032 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 155 statements into 1 equivalence classes. [2025-01-09 03:40:49,120 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 155 of 155 statements. [2025-01-09 03:40:49,120 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:40:49,120 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:40:49,124 INFO L256 TraceCheckSpWp]: Trace formula consists of 1324 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-09 03:40:49,126 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 03:40:49,152 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2025-01-09 03:40:49,152 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 03:40:49,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1424472263] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:40:49,152 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 03:40:49,152 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [9] total 11 [2025-01-09 03:40:49,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71411267] [2025-01-09 03:40:49,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:40:49,152 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-09 03:40:49,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:40:49,153 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-09 03:40:49,153 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2025-01-09 03:40:49,153 INFO L87 Difference]: Start difference. First operand 1357 states and 2166 transitions. Second operand has 4 states, 4 states have (on average 27.5) internal successors, (110), 4 states have internal predecessors, (110), 2 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2025-01-09 03:40:49,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:40:49,314 INFO L93 Difference]: Finished difference Result 2759 states and 4464 transitions. [2025-01-09 03:40:49,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-09 03:40:49,315 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.5) internal successors, (110), 4 states have internal predecessors, (110), 2 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 155 [2025-01-09 03:40:49,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:40:49,322 INFO L225 Difference]: With dead ends: 2759 [2025-01-09 03:40:49,322 INFO L226 Difference]: Without dead ends: 1447 [2025-01-09 03:40:49,327 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2025-01-09 03:40:49,328 INFO L435 NwaCegarLoop]: 728 mSDtfsCounter, 144 mSDsluCounter, 1433 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 2161 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-09 03:40:49,328 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 2161 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-09 03:40:49,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1447 states. [2025-01-09 03:40:49,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1447 to 1435. [2025-01-09 03:40:49,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1435 states, 1133 states have (on average 1.6045895851721095) internal successors, (1818), 1161 states have internal predecessors, (1818), 219 states have call successors, (219), 83 states have call predecessors, (219), 82 states have return successors, (275), 214 states have call predecessors, (275), 215 states have call successors, (275) [2025-01-09 03:40:49,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1435 states to 1435 states and 2312 transitions. [2025-01-09 03:40:49,377 INFO L78 Accepts]: Start accepts. Automaton has 1435 states and 2312 transitions. Word has length 155 [2025-01-09 03:40:49,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:40:49,377 INFO L471 AbstractCegarLoop]: Abstraction has 1435 states and 2312 transitions. [2025-01-09 03:40:49,377 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.5) internal successors, (110), 4 states have internal predecessors, (110), 2 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2025-01-09 03:40:49,378 INFO L276 IsEmpty]: Start isEmpty. Operand 1435 states and 2312 transitions. [2025-01-09 03:40:49,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2025-01-09 03:40:49,382 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:40:49,382 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 03:40:49,389 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2025-01-09 03:40:49,582 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2025-01-09 03:40:49,582 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:40:49,583 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:40:49,583 INFO L85 PathProgramCache]: Analyzing trace with hash 487565920, now seen corresponding path program 1 times [2025-01-09 03:40:49,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:40:49,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1735053565] [2025-01-09 03:40:49,583 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:40:49,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:40:49,595 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 160 statements into 1 equivalence classes. [2025-01-09 03:40:49,601 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 160 of 160 statements. [2025-01-09 03:40:49,601 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:40:49,601 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:40:49,740 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2025-01-09 03:40:49,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:40:49,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1735053565] [2025-01-09 03:40:49,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1735053565] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 03:40:49,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [342853379] [2025-01-09 03:40:49,740 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:40:49,740 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 03:40:49,740 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 03:40:49,743 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 03:40:49,744 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-01-09 03:40:49,850 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 160 statements into 1 equivalence classes. [2025-01-09 03:40:49,940 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 160 of 160 statements. [2025-01-09 03:40:49,940 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:40:49,940 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:40:49,945 INFO L256 TraceCheckSpWp]: Trace formula consists of 1329 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-09 03:40:49,947 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 03:40:49,971 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2025-01-09 03:40:49,972 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 03:40:49,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [342853379] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:40:49,972 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 03:40:49,972 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [9] total 11 [2025-01-09 03:40:49,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957257458] [2025-01-09 03:40:49,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:40:49,973 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-09 03:40:49,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:40:49,974 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-09 03:40:49,974 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2025-01-09 03:40:49,977 INFO L87 Difference]: Start difference. First operand 1435 states and 2312 transitions. Second operand has 4 states, 4 states have (on average 28.5) internal successors, (114), 4 states have internal predecessors, (114), 2 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2025-01-09 03:40:50,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:40:50,135 INFO L93 Difference]: Finished difference Result 2921 states and 4758 transitions. [2025-01-09 03:40:50,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-09 03:40:50,136 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.5) internal successors, (114), 4 states have internal predecessors, (114), 2 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 160 [2025-01-09 03:40:50,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:40:50,143 INFO L225 Difference]: With dead ends: 2921 [2025-01-09 03:40:50,143 INFO L226 Difference]: Without dead ends: 1531 [2025-01-09 03:40:50,148 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2025-01-09 03:40:50,148 INFO L435 NwaCegarLoop]: 727 mSDtfsCounter, 142 mSDsluCounter, 1431 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 2158 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-09 03:40:50,149 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 2158 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-09 03:40:50,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1531 states. [2025-01-09 03:40:50,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1531 to 1513. [2025-01-09 03:40:50,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1513 states, 1209 states have (on average 1.6244830438378826) internal successors, (1964), 1237 states have internal predecessors, (1964), 219 states have call successors, (219), 85 states have call predecessors, (219), 84 states have return successors, (275), 214 states have call predecessors, (275), 215 states have call successors, (275) [2025-01-09 03:40:50,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1513 states to 1513 states and 2458 transitions. [2025-01-09 03:40:50,187 INFO L78 Accepts]: Start accepts. Automaton has 1513 states and 2458 transitions. Word has length 160 [2025-01-09 03:40:50,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:40:50,188 INFO L471 AbstractCegarLoop]: Abstraction has 1513 states and 2458 transitions. [2025-01-09 03:40:50,188 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.5) internal successors, (114), 4 states have internal predecessors, (114), 2 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2025-01-09 03:40:50,188 INFO L276 IsEmpty]: Start isEmpty. Operand 1513 states and 2458 transitions. [2025-01-09 03:40:50,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2025-01-09 03:40:50,191 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:40:50,191 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 03:40:50,199 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2025-01-09 03:40:50,392 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2025-01-09 03:40:50,392 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:40:50,393 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:40:50,393 INFO L85 PathProgramCache]: Analyzing trace with hash -1870500784, now seen corresponding path program 1 times [2025-01-09 03:40:50,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:40:50,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347605803] [2025-01-09 03:40:50,393 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:40:50,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:40:50,404 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 164 statements into 1 equivalence classes. [2025-01-09 03:40:50,410 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 164 of 164 statements. [2025-01-09 03:40:50,410 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:40:50,410 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:40:50,582 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2025-01-09 03:40:50,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:40:50,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1347605803] [2025-01-09 03:40:50,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1347605803] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 03:40:50,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1902349701] [2025-01-09 03:40:50,583 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:40:50,583 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 03:40:50,583 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 03:40:50,585 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 03:40:50,587 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2025-01-09 03:40:50,705 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 164 statements into 1 equivalence classes. [2025-01-09 03:40:50,790 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 164 of 164 statements. [2025-01-09 03:40:50,791 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:40:50,791 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:40:50,794 INFO L256 TraceCheckSpWp]: Trace formula consists of 1333 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-09 03:40:50,796 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 03:40:50,819 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2025-01-09 03:40:50,819 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 03:40:50,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1902349701] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:40:50,819 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 03:40:50,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [9] total 11 [2025-01-09 03:40:50,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076986768] [2025-01-09 03:40:50,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:40:50,820 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-09 03:40:50,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:40:50,820 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-09 03:40:50,820 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2025-01-09 03:40:50,820 INFO L87 Difference]: Start difference. First operand 1513 states and 2458 transitions. Second operand has 4 states, 4 states have (on average 29.5) internal successors, (118), 4 states have internal predecessors, (118), 2 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2025-01-09 03:40:50,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:40:50,985 INFO L93 Difference]: Finished difference Result 3083 states and 5052 transitions. [2025-01-09 03:40:50,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-09 03:40:50,985 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 29.5) internal successors, (118), 4 states have internal predecessors, (118), 2 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 164 [2025-01-09 03:40:50,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:40:50,993 INFO L225 Difference]: With dead ends: 3083 [2025-01-09 03:40:50,993 INFO L226 Difference]: Without dead ends: 1615 [2025-01-09 03:40:50,998 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2025-01-09 03:40:50,998 INFO L435 NwaCegarLoop]: 726 mSDtfsCounter, 140 mSDsluCounter, 1429 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 2155 SdHoareTripleChecker+Invalid, 197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-09 03:40:51,000 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 2155 Invalid, 197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-09 03:40:51,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1615 states. [2025-01-09 03:40:51,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1615 to 1591. [2025-01-09 03:40:51,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1591 states, 1285 states have (on average 1.6420233463035019) internal successors, (2110), 1313 states have internal predecessors, (2110), 219 states have call successors, (219), 87 states have call predecessors, (219), 86 states have return successors, (275), 214 states have call predecessors, (275), 215 states have call successors, (275) [2025-01-09 03:40:51,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1591 states to 1591 states and 2604 transitions. [2025-01-09 03:40:51,042 INFO L78 Accepts]: Start accepts. Automaton has 1591 states and 2604 transitions. Word has length 164 [2025-01-09 03:40:51,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:40:51,042 INFO L471 AbstractCegarLoop]: Abstraction has 1591 states and 2604 transitions. [2025-01-09 03:40:51,043 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 29.5) internal successors, (118), 4 states have internal predecessors, (118), 2 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2025-01-09 03:40:51,043 INFO L276 IsEmpty]: Start isEmpty. Operand 1591 states and 2604 transitions. [2025-01-09 03:40:51,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2025-01-09 03:40:51,046 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:40:51,046 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 03:40:51,060 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2025-01-09 03:40:51,246 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,13 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 03:40:51,248 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:40:51,248 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:40:51,248 INFO L85 PathProgramCache]: Analyzing trace with hash 864725121, now seen corresponding path program 1 times [2025-01-09 03:40:51,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:40:51,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427192599] [2025-01-09 03:40:51,249 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:40:51,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:40:51,259 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 167 statements into 1 equivalence classes. [2025-01-09 03:40:51,263 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 167 of 167 statements. [2025-01-09 03:40:51,264 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:40:51,264 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:40:51,409 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2025-01-09 03:40:51,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:40:51,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427192599] [2025-01-09 03:40:51,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [427192599] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 03:40:51,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1761633412] [2025-01-09 03:40:51,409 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:40:51,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 03:40:51,410 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 03:40:51,412 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 03:40:51,413 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2025-01-09 03:40:51,528 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 167 statements into 1 equivalence classes. [2025-01-09 03:40:51,621 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 167 of 167 statements. [2025-01-09 03:40:51,621 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:40:51,621 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:40:51,624 INFO L256 TraceCheckSpWp]: Trace formula consists of 1336 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-09 03:40:51,627 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 03:40:51,651 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2025-01-09 03:40:51,652 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 03:40:51,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1761633412] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:40:51,652 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 03:40:51,652 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [9] total 11 [2025-01-09 03:40:51,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659028807] [2025-01-09 03:40:51,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:40:51,652 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-09 03:40:51,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:40:51,653 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-09 03:40:51,653 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2025-01-09 03:40:51,653 INFO L87 Difference]: Start difference. First operand 1591 states and 2604 transitions. Second operand has 4 states, 4 states have (on average 30.5) internal successors, (122), 4 states have internal predecessors, (122), 2 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2025-01-09 03:40:51,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:40:51,802 INFO L93 Difference]: Finished difference Result 3245 states and 5346 transitions. [2025-01-09 03:40:51,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-09 03:40:51,803 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 30.5) internal successors, (122), 4 states have internal predecessors, (122), 2 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 167 [2025-01-09 03:40:51,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:40:51,810 INFO L225 Difference]: With dead ends: 3245 [2025-01-09 03:40:51,811 INFO L226 Difference]: Without dead ends: 1699 [2025-01-09 03:40:51,815 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2025-01-09 03:40:51,816 INFO L435 NwaCegarLoop]: 723 mSDtfsCounter, 138 mSDsluCounter, 1422 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 2145 SdHoareTripleChecker+Invalid, 199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-09 03:40:51,817 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 2145 Invalid, 199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-09 03:40:51,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1699 states. [2025-01-09 03:40:51,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1699 to 1669. [2025-01-09 03:40:51,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1669 states, 1361 states have (on average 1.6576047024246878) internal successors, (2256), 1389 states have internal predecessors, (2256), 219 states have call successors, (219), 89 states have call predecessors, (219), 88 states have return successors, (275), 214 states have call predecessors, (275), 215 states have call successors, (275) [2025-01-09 03:40:51,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1669 states to 1669 states and 2750 transitions. [2025-01-09 03:40:51,860 INFO L78 Accepts]: Start accepts. Automaton has 1669 states and 2750 transitions. Word has length 167 [2025-01-09 03:40:51,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:40:51,860 INFO L471 AbstractCegarLoop]: Abstraction has 1669 states and 2750 transitions. [2025-01-09 03:40:51,861 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 30.5) internal successors, (122), 4 states have internal predecessors, (122), 2 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2025-01-09 03:40:51,861 INFO L276 IsEmpty]: Start isEmpty. Operand 1669 states and 2750 transitions. [2025-01-09 03:40:51,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2025-01-09 03:40:51,864 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:40:51,864 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 03:40:51,871 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2025-01-09 03:40:52,064 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26,14 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 03:40:52,064 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:40:52,065 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:40:52,065 INFO L85 PathProgramCache]: Analyzing trace with hash 1467906639, now seen corresponding path program 1 times [2025-01-09 03:40:52,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:40:52,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17767731] [2025-01-09 03:40:52,065 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:40:52,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:40:52,076 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 169 statements into 1 equivalence classes. [2025-01-09 03:40:52,082 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 169 of 169 statements. [2025-01-09 03:40:52,083 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:40:52,083 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:40:52,222 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2025-01-09 03:40:52,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:40:52,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [17767731] [2025-01-09 03:40:52,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [17767731] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 03:40:52,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [914804881] [2025-01-09 03:40:52,222 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:40:52,222 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 03:40:52,222 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 03:40:52,224 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 03:40:52,227 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2025-01-09 03:40:52,344 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 169 statements into 1 equivalence classes. [2025-01-09 03:40:52,427 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 169 of 169 statements. [2025-01-09 03:40:52,427 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:40:52,427 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:40:52,431 INFO L256 TraceCheckSpWp]: Trace formula consists of 1332 conjuncts, 33 conjuncts are in the unsatisfiable core [2025-01-09 03:40:52,435 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 03:40:52,599 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2025-01-09 03:40:52,599 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 03:40:52,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [914804881] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:40:52,599 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 03:40:52,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [9] total 14 [2025-01-09 03:40:52,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480838695] [2025-01-09 03:40:52,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:40:52,599 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-01-09 03:40:52,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:40:52,600 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-01-09 03:40:52,600 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2025-01-09 03:40:52,600 INFO L87 Difference]: Start difference. First operand 1669 states and 2750 transitions. Second operand has 9 states, 9 states have (on average 12.0) internal successors, (108), 7 states have internal predecessors, (108), 3 states have call successors, (16), 4 states have call predecessors, (16), 6 states have return successors, (16), 5 states have call predecessors, (16), 3 states have call successors, (16) [2025-01-09 03:40:54,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:40:54,365 INFO L93 Difference]: Finished difference Result 5206 states and 8725 transitions. [2025-01-09 03:40:54,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-09 03:40:54,365 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.0) internal successors, (108), 7 states have internal predecessors, (108), 3 states have call successors, (16), 4 states have call predecessors, (16), 6 states have return successors, (16), 5 states have call predecessors, (16), 3 states have call successors, (16) Word has length 169 [2025-01-09 03:40:54,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:40:54,383 INFO L225 Difference]: With dead ends: 5206 [2025-01-09 03:40:54,384 INFO L226 Difference]: Without dead ends: 3206 [2025-01-09 03:40:54,392 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=384, Unknown=0, NotChecked=0, Total=462 [2025-01-09 03:40:54,393 INFO L435 NwaCegarLoop]: 357 mSDtfsCounter, 1792 mSDsluCounter, 1851 mSDsCounter, 0 mSdLazyCounter, 3579 mSolverCounterSat, 434 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1889 SdHoareTripleChecker+Valid, 2208 SdHoareTripleChecker+Invalid, 4013 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 434 IncrementalHoareTripleChecker+Valid, 3579 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2025-01-09 03:40:54,393 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1889 Valid, 2208 Invalid, 4013 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [434 Valid, 3579 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2025-01-09 03:40:54,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3206 states. [2025-01-09 03:40:54,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3206 to 3194. [2025-01-09 03:40:54,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3194 states, 2559 states have (on average 1.6604142243063698) internal successors, (4249), 2641 states have internal predecessors, (4249), 455 states have call successors, (455), 159 states have call predecessors, (455), 179 states have return successors, (599), 451 states have call predecessors, (599), 451 states have call successors, (599) [2025-01-09 03:40:54,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3194 states to 3194 states and 5303 transitions. [2025-01-09 03:40:54,481 INFO L78 Accepts]: Start accepts. Automaton has 3194 states and 5303 transitions. Word has length 169 [2025-01-09 03:40:54,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:40:54,482 INFO L471 AbstractCegarLoop]: Abstraction has 3194 states and 5303 transitions. [2025-01-09 03:40:54,482 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.0) internal successors, (108), 7 states have internal predecessors, (108), 3 states have call successors, (16), 4 states have call predecessors, (16), 6 states have return successors, (16), 5 states have call predecessors, (16), 3 states have call successors, (16) [2025-01-09 03:40:54,482 INFO L276 IsEmpty]: Start isEmpty. Operand 3194 states and 5303 transitions. [2025-01-09 03:40:54,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2025-01-09 03:40:54,489 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:40:54,489 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 03:40:54,496 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2025-01-09 03:40:54,689 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2025-01-09 03:40:54,690 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:40:54,690 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:40:54,690 INFO L85 PathProgramCache]: Analyzing trace with hash 611860441, now seen corresponding path program 1 times [2025-01-09 03:40:54,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:40:54,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012545095] [2025-01-09 03:40:54,690 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:40:54,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:40:54,703 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 172 statements into 1 equivalence classes. [2025-01-09 03:40:54,731 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 172 of 172 statements. [2025-01-09 03:40:54,731 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:40:54,731 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:40:54,809 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2025-01-09 03:40:54,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:40:54,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012545095] [2025-01-09 03:40:54,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2012545095] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:40:54,809 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 03:40:54,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-01-09 03:40:54,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249390856] [2025-01-09 03:40:54,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:40:54,809 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-09 03:40:54,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:40:54,810 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-09 03:40:54,810 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2025-01-09 03:40:54,810 INFO L87 Difference]: Start difference. First operand 3194 states and 5303 transitions. Second operand has 8 states, 7 states have (on average 15.0) internal successors, (105), 7 states have internal predecessors, (105), 3 states have call successors, (16), 2 states have call predecessors, (16), 4 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2025-01-09 03:40:54,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:40:54,939 INFO L93 Difference]: Finished difference Result 6214 states and 10346 transitions. [2025-01-09 03:40:54,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-09 03:40:54,940 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 15.0) internal successors, (105), 7 states have internal predecessors, (105), 3 states have call successors, (16), 2 states have call predecessors, (16), 4 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 172 [2025-01-09 03:40:54,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:40:54,953 INFO L225 Difference]: With dead ends: 6214 [2025-01-09 03:40:54,954 INFO L226 Difference]: Without dead ends: 2927 [2025-01-09 03:40:54,963 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2025-01-09 03:40:54,967 INFO L435 NwaCegarLoop]: 765 mSDtfsCounter, 30 mSDsluCounter, 4560 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 5325 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-09 03:40:54,967 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 5325 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-09 03:40:54,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2927 states. [2025-01-09 03:40:55,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2927 to 2915. [2025-01-09 03:40:55,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2915 states, 2380 states have (on average 1.6823529411764706) internal successors, (4004), 2449 states have internal predecessors, (4004), 375 states have call successors, (375), 147 states have call predecessors, (375), 159 states have return successors, (469), 366 states have call predecessors, (469), 371 states have call successors, (469) [2025-01-09 03:40:55,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2915 states to 2915 states and 4848 transitions. [2025-01-09 03:40:55,038 INFO L78 Accepts]: Start accepts. Automaton has 2915 states and 4848 transitions. Word has length 172 [2025-01-09 03:40:55,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:40:55,038 INFO L471 AbstractCegarLoop]: Abstraction has 2915 states and 4848 transitions. [2025-01-09 03:40:55,038 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 15.0) internal successors, (105), 7 states have internal predecessors, (105), 3 states have call successors, (16), 2 states have call predecessors, (16), 4 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2025-01-09 03:40:55,038 INFO L276 IsEmpty]: Start isEmpty. Operand 2915 states and 4848 transitions. [2025-01-09 03:40:55,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 461 [2025-01-09 03:40:55,074 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:40:55,074 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 7, 7, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 03:40:55,074 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2025-01-09 03:40:55,074 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:40:55,075 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:40:55,075 INFO L85 PathProgramCache]: Analyzing trace with hash -617728542, now seen corresponding path program 1 times [2025-01-09 03:40:55,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:40:55,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442313138] [2025-01-09 03:40:55,075 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:40:55,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:40:55,106 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 460 statements into 1 equivalence classes. [2025-01-09 03:40:55,113 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 460 of 460 statements. [2025-01-09 03:40:55,114 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:40:55,114 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:40:55,493 INFO L134 CoverageAnalysis]: Checked inductivity of 1061 backedges. 36 proven. 101 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2025-01-09 03:40:55,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:40:55,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1442313138] [2025-01-09 03:40:55,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1442313138] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 03:40:55,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1033181050] [2025-01-09 03:40:55,494 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:40:55,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 03:40:55,495 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 03:40:55,496 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 03:40:55,498 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2025-01-09 03:40:55,664 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 460 statements into 1 equivalence classes. [2025-01-09 03:40:55,885 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 460 of 460 statements. [2025-01-09 03:40:55,885 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:40:55,885 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:40:55,893 INFO L256 TraceCheckSpWp]: Trace formula consists of 3161 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-01-09 03:40:55,902 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 03:40:56,127 INFO L134 CoverageAnalysis]: Checked inductivity of 1061 backedges. 343 proven. 50 refuted. 0 times theorem prover too weak. 668 trivial. 0 not checked. [2025-01-09 03:40:56,127 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-09 03:40:56,843 INFO L134 CoverageAnalysis]: Checked inductivity of 1061 backedges. 57 proven. 93 refuted. 0 times theorem prover too weak. 911 trivial. 0 not checked. [2025-01-09 03:40:56,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1033181050] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-09 03:40:56,843 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-09 03:40:56,843 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11, 14] total 27 [2025-01-09 03:40:56,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899471896] [2025-01-09 03:40:56,843 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-09 03:40:56,844 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2025-01-09 03:40:56,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:40:56,845 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2025-01-09 03:40:56,845 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=611, Unknown=0, NotChecked=0, Total=702 [2025-01-09 03:40:56,846 INFO L87 Difference]: Start difference. First operand 2915 states and 4848 transitions. Second operand has 27 states, 25 states have (on average 14.48) internal successors, (362), 23 states have internal predecessors, (362), 17 states have call successors, (89), 8 states have call predecessors, (89), 14 states have return successors, (90), 20 states have call predecessors, (90), 17 states have call successors, (90) [2025-01-09 03:41:31,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:41:31,841 INFO L93 Difference]: Finished difference Result 44467 states and 79091 transitions. [2025-01-09 03:41:31,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 430 states. [2025-01-09 03:41:31,842 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 25 states have (on average 14.48) internal successors, (362), 23 states have internal predecessors, (362), 17 states have call successors, (89), 8 states have call predecessors, (89), 14 states have return successors, (90), 20 states have call predecessors, (90), 17 states have call successors, (90) Word has length 460 [2025-01-09 03:41:31,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:41:32,132 INFO L225 Difference]: With dead ends: 44467 [2025-01-09 03:41:32,134 INFO L226 Difference]: Without dead ends: 41492 [2025-01-09 03:41:32,230 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1480 GetRequests, 1031 SyntacticMatches, 4 SemanticMatches, 445 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92766 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=16349, Invalid=183013, Unknown=0, NotChecked=0, Total=199362 [2025-01-09 03:41:32,235 INFO L435 NwaCegarLoop]: 2391 mSDtfsCounter, 37016 mSDsluCounter, 22068 mSDsCounter, 0 mSdLazyCounter, 67847 mSolverCounterSat, 13531 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37030 SdHoareTripleChecker+Valid, 24459 SdHoareTripleChecker+Invalid, 81378 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 13531 IncrementalHoareTripleChecker+Valid, 67847 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.8s IncrementalHoareTripleChecker+Time [2025-01-09 03:41:32,239 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [37030 Valid, 24459 Invalid, 81378 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [13531 Valid, 67847 Invalid, 0 Unknown, 0 Unchecked, 24.8s Time] [2025-01-09 03:41:32,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41492 states. [2025-01-09 03:41:34,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41492 to 33499. [2025-01-09 03:41:34,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33499 states, 27347 states have (on average 1.6617910556916664) internal successors, (45445), 28212 states have internal predecessors, (45445), 4054 states have call successors, (4054), 1747 states have call predecessors, (4054), 2097 states have return successors, (6439), 4115 states have call predecessors, (6439), 4036 states have call successors, (6439) [2025-01-09 03:41:34,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33499 states to 33499 states and 55938 transitions. [2025-01-09 03:41:34,486 INFO L78 Accepts]: Start accepts. Automaton has 33499 states and 55938 transitions. Word has length 460 [2025-01-09 03:41:34,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:41:34,487 INFO L471 AbstractCegarLoop]: Abstraction has 33499 states and 55938 transitions. [2025-01-09 03:41:34,488 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 25 states have (on average 14.48) internal successors, (362), 23 states have internal predecessors, (362), 17 states have call successors, (89), 8 states have call predecessors, (89), 14 states have return successors, (90), 20 states have call predecessors, (90), 17 states have call successors, (90) [2025-01-09 03:41:34,488 INFO L276 IsEmpty]: Start isEmpty. Operand 33499 states and 55938 transitions. [2025-01-09 03:41:34,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 504 [2025-01-09 03:41:34,755 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:41:34,756 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 12, 12, 11, 10, 10, 10, 10, 10, 10, 10, 10, 9, 8, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 03:41:34,772 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2025-01-09 03:41:34,956 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,16 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 03:41:34,957 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:41:34,958 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:41:34,958 INFO L85 PathProgramCache]: Analyzing trace with hash 1539940991, now seen corresponding path program 1 times [2025-01-09 03:41:34,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:41:34,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814984808] [2025-01-09 03:41:34,958 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:41:34,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:41:35,038 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 503 statements into 1 equivalence classes. [2025-01-09 03:41:35,110 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 503 of 503 statements. [2025-01-09 03:41:35,110 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:41:35,110 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:41:36,011 INFO L134 CoverageAnalysis]: Checked inductivity of 1236 backedges. 61 proven. 75 refuted. 0 times theorem prover too weak. 1100 trivial. 0 not checked. [2025-01-09 03:41:36,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:41:36,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [814984808] [2025-01-09 03:41:36,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [814984808] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 03:41:36,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [410378488] [2025-01-09 03:41:36,014 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:41:36,014 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 03:41:36,015 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 03:41:36,020 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 03:41:36,026 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2025-01-09 03:41:36,239 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 503 statements into 1 equivalence classes. [2025-01-09 03:41:36,504 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 503 of 503 statements. [2025-01-09 03:41:36,504 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:41:36,504 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:41:36,515 INFO L256 TraceCheckSpWp]: Trace formula consists of 3290 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-01-09 03:41:36,537 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 03:41:36,616 INFO L134 CoverageAnalysis]: Checked inductivity of 1236 backedges. 218 proven. 0 refuted. 0 times theorem prover too weak. 1018 trivial. 0 not checked. [2025-01-09 03:41:36,617 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 03:41:36,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [410378488] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:41:36,617 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 03:41:36,618 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2025-01-09 03:41:36,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343163089] [2025-01-09 03:41:36,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:41:36,619 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-09 03:41:36,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:41:36,622 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-09 03:41:36,622 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2025-01-09 03:41:36,622 INFO L87 Difference]: Start difference. First operand 33499 states and 55938 transitions. Second operand has 6 states, 6 states have (on average 30.0) internal successors, (180), 5 states have internal predecessors, (180), 2 states have call successors, (34), 2 states have call predecessors, (34), 3 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) [2025-01-09 03:41:38,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:41:38,293 INFO L93 Difference]: Finished difference Result 67379 states and 113170 transitions. [2025-01-09 03:41:38,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-09 03:41:38,294 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 30.0) internal successors, (180), 5 states have internal predecessors, (180), 2 states have call successors, (34), 2 states have call predecessors, (34), 3 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) Word has length 503 [2025-01-09 03:41:38,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:41:38,463 INFO L225 Difference]: With dead ends: 67379 [2025-01-09 03:41:38,464 INFO L226 Difference]: Without dead ends: 33949 [2025-01-09 03:41:38,596 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 515 GetRequests, 504 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2025-01-09 03:41:38,597 INFO L435 NwaCegarLoop]: 780 mSDtfsCounter, 0 mSDsluCounter, 3111 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3891 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 03:41:38,601 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3891 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 03:41:38,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33949 states. [2025-01-09 03:41:39,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33949 to 33823. [2025-01-09 03:41:39,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33823 states, 27581 states have (on average 1.656176353286683) internal successors, (45679), 28488 states have internal predecessors, (45679), 4054 states have call successors, (4054), 1747 states have call predecessors, (4054), 2187 states have return successors, (6616), 4163 states have call predecessors, (6616), 4036 states have call successors, (6616) [2025-01-09 03:41:39,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33823 states to 33823 states and 56349 transitions. [2025-01-09 03:41:39,913 INFO L78 Accepts]: Start accepts. Automaton has 33823 states and 56349 transitions. Word has length 503 [2025-01-09 03:41:39,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:41:39,914 INFO L471 AbstractCegarLoop]: Abstraction has 33823 states and 56349 transitions. [2025-01-09 03:41:39,914 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 30.0) internal successors, (180), 5 states have internal predecessors, (180), 2 states have call successors, (34), 2 states have call predecessors, (34), 3 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) [2025-01-09 03:41:39,915 INFO L276 IsEmpty]: Start isEmpty. Operand 33823 states and 56349 transitions. [2025-01-09 03:41:40,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 554 [2025-01-09 03:41:40,016 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:41:40,016 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 12, 12, 12, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 7, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 03:41:40,028 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2025-01-09 03:41:40,217 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,17 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 03:41:40,218 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:41:40,219 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:41:40,219 INFO L85 PathProgramCache]: Analyzing trace with hash 1111850609, now seen corresponding path program 1 times [2025-01-09 03:41:40,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:41:40,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019135104] [2025-01-09 03:41:40,220 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:41:40,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:41:40,249 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 553 statements into 1 equivalence classes. [2025-01-09 03:41:40,262 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 553 of 553 statements. [2025-01-09 03:41:40,263 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:41:40,263 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:41:40,650 INFO L134 CoverageAnalysis]: Checked inductivity of 1622 backedges. 90 proven. 97 refuted. 0 times theorem prover too weak. 1435 trivial. 0 not checked. [2025-01-09 03:41:40,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:41:40,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019135104] [2025-01-09 03:41:40,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2019135104] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 03:41:40,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1861573960] [2025-01-09 03:41:40,652 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:41:40,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 03:41:40,652 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 03:41:40,654 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 03:41:40,660 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2025-01-09 03:41:40,949 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 553 statements into 1 equivalence classes. [2025-01-09 03:41:41,222 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 553 of 553 statements. [2025-01-09 03:41:41,222 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:41:41,222 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:41:41,234 INFO L256 TraceCheckSpWp]: Trace formula consists of 3438 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-01-09 03:41:41,243 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 03:41:41,459 INFO L134 CoverageAnalysis]: Checked inductivity of 1622 backedges. 739 proven. 55 refuted. 0 times theorem prover too weak. 828 trivial. 0 not checked. [2025-01-09 03:41:41,459 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-09 03:41:42,131 INFO L134 CoverageAnalysis]: Checked inductivity of 1622 backedges. 164 proven. 17 refuted. 0 times theorem prover too weak. 1441 trivial. 0 not checked. [2025-01-09 03:41:42,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1861573960] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-09 03:41:42,132 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-09 03:41:42,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 20 [2025-01-09 03:41:42,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880477975] [2025-01-09 03:41:42,132 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-09 03:41:42,135 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2025-01-09 03:41:42,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:41:42,136 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2025-01-09 03:41:42,136 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2025-01-09 03:41:42,137 INFO L87 Difference]: Start difference. First operand 33823 states and 56349 transitions. Second operand has 20 states, 20 states have (on average 20.5) internal successors, (410), 17 states have internal predecessors, (410), 9 states have call successors, (105), 5 states have call predecessors, (105), 13 states have return successors, (107), 12 states have call predecessors, (107), 9 states have call successors, (107) [2025-01-09 03:41:49,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:41:49,823 INFO L93 Difference]: Finished difference Result 108480 states and 183686 transitions. [2025-01-09 03:41:49,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-01-09 03:41:49,824 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 20.5) internal successors, (410), 17 states have internal predecessors, (410), 9 states have call successors, (105), 5 states have call predecessors, (105), 13 states have return successors, (107), 12 states have call predecessors, (107), 9 states have call successors, (107) Word has length 553 [2025-01-09 03:41:49,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:41:50,237 INFO L225 Difference]: With dead ends: 108480 [2025-01-09 03:41:50,238 INFO L226 Difference]: Without dead ends: 74663 [2025-01-09 03:41:50,453 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1140 GetRequests, 1099 SyntacticMatches, 5 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 133 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=257, Invalid=1149, Unknown=0, NotChecked=0, Total=1406 [2025-01-09 03:41:50,453 INFO L435 NwaCegarLoop]: 736 mSDtfsCounter, 8273 mSDsluCounter, 5313 mSDsCounter, 0 mSdLazyCounter, 11620 mSolverCounterSat, 2725 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8273 SdHoareTripleChecker+Valid, 6049 SdHoareTripleChecker+Invalid, 14345 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2725 IncrementalHoareTripleChecker+Valid, 11620 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2025-01-09 03:41:50,454 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8273 Valid, 6049 Invalid, 14345 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2725 Valid, 11620 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2025-01-09 03:41:50,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74663 states.