./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/elevator_spec14_product32.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_product32.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 5ead0301c8481fccc00f115bae086423ed9e315d4392b2a0732a4d381346437b --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 03:41:14,942 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 03:41:15,010 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-01-09 03:41:15,015 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 03:41:15,016 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 03:41:15,037 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 03:41:15,038 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 03:41:15,038 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 03:41:15,038 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 03:41:15,039 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 03:41:15,039 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 03:41:15,039 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 03:41:15,040 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 03:41:15,040 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 03:41:15,040 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 03:41:15,040 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 03:41:15,040 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 03:41:15,041 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 03:41:15,041 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 03:41:15,041 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 03:41:15,041 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 03:41:15,041 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 03:41:15,041 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 03:41:15,041 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 03:41:15,041 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 03:41:15,041 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 03:41:15,041 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 03:41:15,041 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 03:41:15,041 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 03:41:15,041 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 03:41:15,042 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 03:41:15,042 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 03:41:15,042 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 03:41:15,042 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 03:41:15,042 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 03:41:15,042 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 03:41:15,042 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 03:41:15,043 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 03:41:15,043 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 03:41:15,043 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 03:41:15,043 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 03:41:15,043 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 03:41:15,043 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 03:41:15,043 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 03:41:15,043 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 03:41:15,043 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 03:41:15,043 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 03:41:15,043 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 03:41:15,043 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 -> 5ead0301c8481fccc00f115bae086423ed9e315d4392b2a0732a4d381346437b [2025-01-09 03:41:15,241 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 03:41:15,249 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 03:41:15,251 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 03:41:15,251 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 03:41:15,252 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 03:41:15,254 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/elevator_spec14_product32.cil.c [2025-01-09 03:41:16,477 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/631610bcc/cd283404345948d3808b9f729b63c591/FLAGc0c73289e [2025-01-09 03:41:16,893 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 03:41:16,893 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/product-lines/elevator_spec14_product32.cil.c [2025-01-09 03:41:16,920 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/631610bcc/cd283404345948d3808b9f729b63c591/FLAGc0c73289e [2025-01-09 03:41:16,942 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/631610bcc/cd283404345948d3808b9f729b63c591 [2025-01-09 03:41:16,947 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 03:41:16,952 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 03:41:16,952 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 03:41:16,952 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 03:41:16,955 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 03:41:16,956 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 03:41:16" (1/1) ... [2025-01-09 03:41:16,956 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b14f01c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:41:16, skipping insertion in model container [2025-01-09 03:41:16,956 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 03:41:16" (1/1) ... [2025-01-09 03:41:17,010 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 03:41:17,298 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_product32.cil.c[71521,71534] [2025-01-09 03:41:17,301 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 03:41:17,313 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 03:41:17,319 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Person.i","") [48] [2025-01-09 03:41:17,320 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [169] [2025-01-09 03:41:17,320 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [187] [2025-01-09 03:41:17,320 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [545] [2025-01-09 03:41:17,320 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [911] [2025-01-09 03:41:17,320 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"UnitTests.i","") [946] [2025-01-09 03:41:17,320 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Floor.i","") [1042] [2025-01-09 03:41:17,321 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Elevator.i","") [1709] [2025-01-09 03:41:17,321 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [3370] [2025-01-09 03:41:17,321 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification14_spec.i","") [3379] [2025-01-09 03:41:17,392 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_product32.cil.c[71521,71534] [2025-01-09 03:41:17,393 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 03:41:17,422 INFO L204 MainTranslator]: Completed translation [2025-01-09 03:41:17,427 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:41:17 WrapperNode [2025-01-09 03:41:17,427 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 03:41:17,428 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 03:41:17,428 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 03:41:17,428 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 03:41:17,432 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:41:17" (1/1) ... [2025-01-09 03:41:17,454 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:41:17" (1/1) ... [2025-01-09 03:41:17,481 INFO L138 Inliner]: procedures = 96, calls = 348, calls flagged for inlining = 29, calls inlined = 25, statements flattened = 903 [2025-01-09 03:41:17,482 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 03:41:17,483 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 03:41:17,483 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 03:41:17,483 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 03:41:17,489 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:41:17" (1/1) ... [2025-01-09 03:41:17,489 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:41:17" (1/1) ... [2025-01-09 03:41:17,493 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:41:17" (1/1) ... [2025-01-09 03:41:17,528 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 03:41:17,528 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:41:17" (1/1) ... [2025-01-09 03:41:17,528 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:41:17" (1/1) ... [2025-01-09 03:41:17,547 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:41:17" (1/1) ... [2025-01-09 03:41:17,550 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:41:17" (1/1) ... [2025-01-09 03:41:17,556 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:41:17" (1/1) ... [2025-01-09 03:41:17,560 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:41:17" (1/1) ... [2025-01-09 03:41:17,562 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:41:17" (1/1) ... [2025-01-09 03:41:17,571 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 03:41:17,576 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 03:41:17,576 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 03:41:17,576 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 03:41:17,577 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:41:17" (1/1) ... [2025-01-09 03:41:17,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 03:41:17,599 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 03:41:17,614 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 03:41:17,617 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 03:41:17,633 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 03:41:17,633 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2025-01-09 03:41:17,633 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2025-01-09 03:41:17,633 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2025-01-09 03:41:17,633 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2025-01-09 03:41:17,633 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2025-01-09 03:41:17,634 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2025-01-09 03:41:17,634 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2025-01-09 03:41:17,634 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2025-01-09 03:41:17,634 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2025-01-09 03:41:17,634 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2025-01-09 03:41:17,635 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2025-01-09 03:41:17,635 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2025-01-09 03:41:17,635 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2025-01-09 03:41:17,635 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2025-01-09 03:41:17,635 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2025-01-09 03:41:17,635 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2025-01-09 03:41:17,635 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__empty [2025-01-09 03:41:17,636 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__empty [2025-01-09 03:41:17,636 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2025-01-09 03:41:17,636 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2025-01-09 03:41:17,636 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2025-01-09 03:41:17,636 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2025-01-09 03:41:17,636 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2025-01-09 03:41:17,636 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2025-01-09 03:41:17,636 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2025-01-09 03:41:17,637 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2025-01-09 03:41:17,637 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2025-01-09 03:41:17,637 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2025-01-09 03:41:17,637 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2025-01-09 03:41:17,637 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2025-01-09 03:41:17,637 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2025-01-09 03:41:17,637 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2025-01-09 03:41:17,638 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2025-01-09 03:41:17,638 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2025-01-09 03:41:17,638 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2025-01-09 03:41:17,638 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2025-01-09 03:41:17,638 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2025-01-09 03:41:17,638 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2025-01-09 03:41:17,638 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2025-01-09 03:41:17,638 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2025-01-09 03:41:17,638 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2025-01-09 03:41:17,639 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2025-01-09 03:41:17,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 03:41:17,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-09 03:41:17,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-01-09 03:41:17,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-01-09 03:41:17,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-01-09 03:41:17,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-01-09 03:41:17,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-01-09 03:41:17,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-01-09 03:41:17,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-01-09 03:41:17,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-01-09 03:41:17,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-01-09 03:41:17,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2025-01-09 03:41:17,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2025-01-09 03:41:17,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2025-01-09 03:41:17,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2025-01-09 03:41:17,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2025-01-09 03:41:17,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2025-01-09 03:41:17,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2025-01-09 03:41:17,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2025-01-09 03:41:17,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2025-01-09 03:41:17,641 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2025-01-09 03:41:17,641 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2025-01-09 03:41:17,641 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2025-01-09 03:41:17,641 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2025-01-09 03:41:17,641 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2025-01-09 03:41:17,641 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2025-01-09 03:41:17,641 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2025-01-09 03:41:17,641 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2025-01-09 03:41:17,641 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 03:41:17,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 03:41:17,641 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2025-01-09 03:41:17,641 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2025-01-09 03:41:17,642 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__executivefloor [2025-01-09 03:41:17,642 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__executivefloor [2025-01-09 03:41:17,806 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 03:41:17,808 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 03:41:18,689 INFO L? ?]: Removed 475 outVars from TransFormulas that were not future-live. [2025-01-09 03:41:18,689 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 03:41:18,705 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 03:41:18,705 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-01-09 03:41:18,706 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 03:41:18 BoogieIcfgContainer [2025-01-09 03:41:18,706 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 03:41:18,707 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 03:41:18,707 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 03:41:18,711 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 03:41:18,711 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 03:41:16" (1/3) ... [2025-01-09 03:41:18,711 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d27e9bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 03:41:18, skipping insertion in model container [2025-01-09 03:41:18,711 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:41:17" (2/3) ... [2025-01-09 03:41:18,711 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d27e9bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 03:41:18, skipping insertion in model container [2025-01-09 03:41:18,712 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 03:41:18" (3/3) ... [2025-01-09 03:41:18,712 INFO L128 eAbstractionObserver]: Analyzing ICFG elevator_spec14_product32.cil.c [2025-01-09 03:41:18,722 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 03:41:18,724 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG elevator_spec14_product32.cil.c that has 28 procedures, 580 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-01-09 03:41:18,769 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 03:41:18,777 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;@4729ba8a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 03:41:18,777 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 03:41:18,781 INFO L276 IsEmpty]: Start isEmpty. Operand has 580 states, 448 states have (on average 1.6607142857142858) internal successors, (744), 466 states have internal predecessors, (744), 103 states have call successors, (103), 27 states have call predecessors, (103), 27 states have return successors, (103), 100 states have call predecessors, (103), 103 states have call successors, (103) [2025-01-09 03:41:18,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2025-01-09 03:41:18,788 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:41:18,789 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-01-09 03:41:18,789 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:41:18,792 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:41:18,793 INFO L85 PathProgramCache]: Analyzing trace with hash 1026357919, now seen corresponding path program 1 times [2025-01-09 03:41:18,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:41:18,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216079363] [2025-01-09 03:41:18,798 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:41:18,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:41:18,868 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 63 statements into 1 equivalence classes. [2025-01-09 03:41:18,907 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 63 of 63 statements. [2025-01-09 03:41:18,908 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:41:18,908 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:41:19,170 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-01-09 03:41:19,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:41:19,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1216079363] [2025-01-09 03:41:19,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1216079363] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:41:19,172 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 03:41:19,172 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-09 03:41:19,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232823857] [2025-01-09 03:41:19,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:41:19,176 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-09 03:41:19,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:41:19,188 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-09 03:41:19,188 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-09 03:41:19,191 INFO L87 Difference]: Start difference. First operand has 580 states, 448 states have (on average 1.6607142857142858) internal successors, (744), 466 states have internal predecessors, (744), 103 states have call successors, (103), 27 states have call predecessors, (103), 27 states have return successors, (103), 100 states have call predecessors, (103), 103 states have call successors, (103) Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-01-09 03:41:19,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:41:19,315 INFO L93 Difference]: Finished difference Result 1153 states and 1900 transitions. [2025-01-09 03:41:19,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-09 03:41:19,317 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 63 [2025-01-09 03:41:19,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:41:19,330 INFO L225 Difference]: With dead ends: 1153 [2025-01-09 03:41:19,330 INFO L226 Difference]: Without dead ends: 575 [2025-01-09 03:41:19,337 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 03:41:19,339 INFO L435 NwaCegarLoop]: 934 mSDtfsCounter, 6 mSDsluCounter, 1862 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 2796 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 03:41:19,339 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 2796 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 03:41:19,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 575 states. [2025-01-09 03:41:19,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 575 to 575. [2025-01-09 03:41:19,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 575 states, 444 states have (on average 1.6531531531531531) internal successors, (734), 461 states have internal predecessors, (734), 103 states have call successors, (103), 28 states have call predecessors, (103), 27 states have return successors, (102), 99 states have call predecessors, (102), 102 states have call successors, (102) [2025-01-09 03:41:19,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 575 states and 939 transitions. [2025-01-09 03:41:19,409 INFO L78 Accepts]: Start accepts. Automaton has 575 states and 939 transitions. Word has length 63 [2025-01-09 03:41:19,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:41:19,410 INFO L471 AbstractCegarLoop]: Abstraction has 575 states and 939 transitions. [2025-01-09 03:41:19,410 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-01-09 03:41:19,410 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 939 transitions. [2025-01-09 03:41:19,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-01-09 03:41:19,413 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:41:19,413 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-01-09 03:41:19,413 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-09 03:41:19,413 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:41:19,414 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:41:19,414 INFO L85 PathProgramCache]: Analyzing trace with hash -106621341, now seen corresponding path program 1 times [2025-01-09 03:41:19,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:41:19,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787000719] [2025-01-09 03:41:19,414 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:41:19,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:41:19,438 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 64 statements into 1 equivalence classes. [2025-01-09 03:41:19,458 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-01-09 03:41:19,458 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:41:19,458 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:41:19,595 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-01-09 03:41:19,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:41:19,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1787000719] [2025-01-09 03:41:19,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1787000719] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:41:19,597 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 03:41:19,597 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-09 03:41:19,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411461669] [2025-01-09 03:41:19,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:41:19,598 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-09 03:41:19,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:41:19,599 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-09 03:41:19,600 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-09 03:41:19,600 INFO L87 Difference]: Start difference. First operand 575 states and 939 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-01-09 03:41:19,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:41:19,696 INFO L93 Difference]: Finished difference Result 1133 states and 1855 transitions. [2025-01-09 03:41:19,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-09 03:41:19,697 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 64 [2025-01-09 03:41:19,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:41:19,705 INFO L225 Difference]: With dead ends: 1133 [2025-01-09 03:41:19,705 INFO L226 Difference]: Without dead ends: 575 [2025-01-09 03:41:19,710 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 03:41:19,711 INFO L435 NwaCegarLoop]: 925 mSDtfsCounter, 4 mSDsluCounter, 1843 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 2768 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 03:41:19,711 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 2768 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 03:41:19,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 575 states. [2025-01-09 03:41:19,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 575 to 575. [2025-01-09 03:41:19,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 575 states, 444 states have (on average 1.6509009009009008) internal successors, (733), 461 states have internal predecessors, (733), 103 states have call successors, (103), 28 states have call predecessors, (103), 27 states have return successors, (102), 99 states have call predecessors, (102), 102 states have call successors, (102) [2025-01-09 03:41:19,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 575 states and 938 transitions. [2025-01-09 03:41:19,742 INFO L78 Accepts]: Start accepts. Automaton has 575 states and 938 transitions. Word has length 64 [2025-01-09 03:41:19,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:41:19,742 INFO L471 AbstractCegarLoop]: Abstraction has 575 states and 938 transitions. [2025-01-09 03:41:19,742 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-01-09 03:41:19,742 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 938 transitions. [2025-01-09 03:41:19,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2025-01-09 03:41:19,748 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:41:19,748 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-01-09 03:41:19,748 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-09 03:41:19,748 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:41:19,748 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:41:19,749 INFO L85 PathProgramCache]: Analyzing trace with hash -2087527269, now seen corresponding path program 1 times [2025-01-09 03:41:19,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:41:19,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1317726932] [2025-01-09 03:41:19,749 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:41:19,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:41:19,772 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 65 statements into 1 equivalence classes. [2025-01-09 03:41:19,782 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 65 of 65 statements. [2025-01-09 03:41:19,783 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:41:19,783 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:41:19,927 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-01-09 03:41:19,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:41:19,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1317726932] [2025-01-09 03:41:19,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1317726932] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:41:19,927 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 03:41:19,927 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-09 03:41:19,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016694543] [2025-01-09 03:41:19,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:41:19,927 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-09 03:41:19,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:41:19,928 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-09 03:41:19,928 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-09 03:41:19,928 INFO L87 Difference]: Start difference. First operand 575 states and 938 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-01-09 03:41:19,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:41:19,984 INFO L93 Difference]: Finished difference Result 1133 states and 1854 transitions. [2025-01-09 03:41:19,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-09 03:41:19,985 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 65 [2025-01-09 03:41:19,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:41:19,989 INFO L225 Difference]: With dead ends: 1133 [2025-01-09 03:41:19,990 INFO L226 Difference]: Without dead ends: 575 [2025-01-09 03:41:19,992 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 03:41:19,993 INFO L435 NwaCegarLoop]: 925 mSDtfsCounter, 3 mSDsluCounter, 1843 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2768 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 03:41:19,993 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2768 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 03:41:19,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 575 states. [2025-01-09 03:41:20,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 575 to 575. [2025-01-09 03:41:20,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 575 states, 444 states have (on average 1.6486486486486487) internal successors, (732), 461 states have internal predecessors, (732), 103 states have call successors, (103), 28 states have call predecessors, (103), 27 states have return successors, (102), 99 states have call predecessors, (102), 102 states have call successors, (102) [2025-01-09 03:41:20,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 575 states and 937 transitions. [2025-01-09 03:41:20,039 INFO L78 Accepts]: Start accepts. Automaton has 575 states and 937 transitions. Word has length 65 [2025-01-09 03:41:20,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:41:20,039 INFO L471 AbstractCegarLoop]: Abstraction has 575 states and 937 transitions. [2025-01-09 03:41:20,039 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-01-09 03:41:20,039 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 937 transitions. [2025-01-09 03:41:20,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2025-01-09 03:41:20,040 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:41:20,040 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-01-09 03:41:20,040 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-09 03:41:20,040 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:41:20,041 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:41:20,041 INFO L85 PathProgramCache]: Analyzing trace with hash -289388833, now seen corresponding path program 1 times [2025-01-09 03:41:20,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:41:20,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529366767] [2025-01-09 03:41:20,041 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:41:20,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:41:20,052 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 66 statements into 1 equivalence classes. [2025-01-09 03:41:20,057 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 66 of 66 statements. [2025-01-09 03:41:20,057 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:41:20,058 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:41:20,114 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-01-09 03:41:20,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:41:20,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529366767] [2025-01-09 03:41:20,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [529366767] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:41:20,115 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 03:41:20,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-09 03:41:20,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658704265] [2025-01-09 03:41:20,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:41:20,115 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-09 03:41:20,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:41:20,116 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-09 03:41:20,116 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-09 03:41:20,116 INFO L87 Difference]: Start difference. First operand 575 states and 937 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-01-09 03:41:20,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:41:20,158 INFO L93 Difference]: Finished difference Result 1133 states and 1853 transitions. [2025-01-09 03:41:20,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-09 03:41:20,158 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 66 [2025-01-09 03:41:20,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:41:20,162 INFO L225 Difference]: With dead ends: 1133 [2025-01-09 03:41:20,162 INFO L226 Difference]: Without dead ends: 575 [2025-01-09 03:41:20,164 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 03:41:20,164 INFO L435 NwaCegarLoop]: 925 mSDtfsCounter, 2 mSDsluCounter, 1843 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 2768 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 03:41:20,164 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 2768 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 03:41:20,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 575 states. [2025-01-09 03:41:20,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 575 to 575. [2025-01-09 03:41:20,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 575 states, 444 states have (on average 1.6463963963963963) internal successors, (731), 461 states have internal predecessors, (731), 103 states have call successors, (103), 28 states have call predecessors, (103), 27 states have return successors, (102), 99 states have call predecessors, (102), 102 states have call successors, (102) [2025-01-09 03:41:20,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 575 states and 936 transitions. [2025-01-09 03:41:20,181 INFO L78 Accepts]: Start accepts. Automaton has 575 states and 936 transitions. Word has length 66 [2025-01-09 03:41:20,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:41:20,181 INFO L471 AbstractCegarLoop]: Abstraction has 575 states and 936 transitions. [2025-01-09 03:41:20,181 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-01-09 03:41:20,181 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 936 transitions. [2025-01-09 03:41:20,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2025-01-09 03:41:20,182 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:41:20,182 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-01-09 03:41:20,182 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-01-09 03:41:20,182 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:41:20,183 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:41:20,183 INFO L85 PathProgramCache]: Analyzing trace with hash -1599959401, now seen corresponding path program 1 times [2025-01-09 03:41:20,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:41:20,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898757033] [2025-01-09 03:41:20,183 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:41:20,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:41:20,194 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 67 statements into 1 equivalence classes. [2025-01-09 03:41:20,199 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 67 of 67 statements. [2025-01-09 03:41:20,200 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:41:20,200 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:41:20,255 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-01-09 03:41:20,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:41:20,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1898757033] [2025-01-09 03:41:20,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1898757033] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:41:20,256 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 03:41:20,256 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-09 03:41:20,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8762726] [2025-01-09 03:41:20,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:41:20,256 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-09 03:41:20,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:41:20,257 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-09 03:41:20,257 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-09 03:41:20,257 INFO L87 Difference]: Start difference. First operand 575 states and 936 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-01-09 03:41:20,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:41:20,294 INFO L93 Difference]: Finished difference Result 1133 states and 1852 transitions. [2025-01-09 03:41:20,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-09 03:41:20,295 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 67 [2025-01-09 03:41:20,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:41:20,298 INFO L225 Difference]: With dead ends: 1133 [2025-01-09 03:41:20,299 INFO L226 Difference]: Without dead ends: 575 [2025-01-09 03:41:20,301 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 03:41:20,301 INFO L435 NwaCegarLoop]: 925 mSDtfsCounter, 1 mSDsluCounter, 1843 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 2768 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 03:41:20,301 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 2768 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 03:41:20,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 575 states. [2025-01-09 03:41:20,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 575 to 575. [2025-01-09 03:41:20,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 575 states, 444 states have (on average 1.6441441441441442) internal successors, (730), 461 states have internal predecessors, (730), 103 states have call successors, (103), 28 states have call predecessors, (103), 27 states have return successors, (102), 99 states have call predecessors, (102), 102 states have call successors, (102) [2025-01-09 03:41:20,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 575 states and 935 transitions. [2025-01-09 03:41:20,321 INFO L78 Accepts]: Start accepts. Automaton has 575 states and 935 transitions. Word has length 67 [2025-01-09 03:41:20,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:41:20,321 INFO L471 AbstractCegarLoop]: Abstraction has 575 states and 935 transitions. [2025-01-09 03:41:20,322 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-01-09 03:41:20,322 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 935 transitions. [2025-01-09 03:41:20,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2025-01-09 03:41:20,323 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:41:20,323 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-01-09 03:41:20,323 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-01-09 03:41:20,323 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:41:20,323 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:41:20,323 INFO L85 PathProgramCache]: Analyzing trace with hash -496261285, now seen corresponding path program 1 times [2025-01-09 03:41:20,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:41:20,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078222985] [2025-01-09 03:41:20,324 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:41:20,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:41:20,334 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes. [2025-01-09 03:41:20,340 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements. [2025-01-09 03:41:20,340 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:41:20,341 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:41:20,451 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-01-09 03:41:20,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:41:20,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1078222985] [2025-01-09 03:41:20,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1078222985] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:41:20,451 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 03:41:20,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-01-09 03:41:20,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436408637] [2025-01-09 03:41:20,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:41:20,452 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-09 03:41:20,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:41:20,453 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-09 03:41:20,454 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-01-09 03:41:20,454 INFO L87 Difference]: Start difference. First operand 575 states and 935 transitions. Second operand has 7 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 3 states have call successors, (9), 2 states have call predecessors, (9), 4 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-01-09 03:41:20,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:41:20,550 INFO L93 Difference]: Finished difference Result 1144 states and 1869 transitions. [2025-01-09 03:41:20,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-09 03:41:20,552 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 3 states have call successors, (9), 2 states have call predecessors, (9), 4 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 68 [2025-01-09 03:41:20,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:41:20,557 INFO L225 Difference]: With dead ends: 1144 [2025-01-09 03:41:20,557 INFO L226 Difference]: Without dead ends: 590 [2025-01-09 03:41:20,559 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 03:41:20,561 INFO L435 NwaCegarLoop]: 922 mSDtfsCounter, 91 mSDsluCounter, 4525 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 5447 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-09 03:41:20,561 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 5447 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-09 03:41:20,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 590 states. [2025-01-09 03:41:20,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 590 to 588. [2025-01-09 03:41:20,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 588 states, 454 states have (on average 1.6409691629955947) internal successors, (745), 473 states have internal predecessors, (745), 104 states have call successors, (104), 28 states have call predecessors, (104), 29 states have return successors, (106), 100 states have call predecessors, (106), 103 states have call successors, (106) [2025-01-09 03:41:20,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 588 states and 955 transitions. [2025-01-09 03:41:20,585 INFO L78 Accepts]: Start accepts. Automaton has 588 states and 955 transitions. Word has length 68 [2025-01-09 03:41:20,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:41:20,585 INFO L471 AbstractCegarLoop]: Abstraction has 588 states and 955 transitions. [2025-01-09 03:41:20,586 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 3 states have call successors, (9), 2 states have call predecessors, (9), 4 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-01-09 03:41:20,586 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 955 transitions. [2025-01-09 03:41:20,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2025-01-09 03:41:20,587 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:41:20,588 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-01-09 03:41:20,588 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-01-09 03:41:20,588 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:41:20,588 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:41:20,588 INFO L85 PathProgramCache]: Analyzing trace with hash 272908730, now seen corresponding path program 1 times [2025-01-09 03:41:20,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:41:20,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328822237] [2025-01-09 03:41:20,588 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:41:20,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:41:20,629 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes. [2025-01-09 03:41:20,636 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements. [2025-01-09 03:41:20,636 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:41:20,636 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:41:20,693 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-01-09 03:41:20,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:41:20,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328822237] [2025-01-09 03:41:20,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [328822237] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:41:20,693 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 03:41:20,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-09 03:41:20,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678471877] [2025-01-09 03:41:20,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:41:20,694 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-09 03:41:20,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:41:20,694 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-09 03:41:20,694 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-09 03:41:20,694 INFO L87 Difference]: Start difference. First operand 588 states and 955 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-01-09 03:41:20,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:41:20,796 INFO L93 Difference]: Finished difference Result 1151 states and 1880 transitions. [2025-01-09 03:41:20,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-09 03:41:20,797 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 68 [2025-01-09 03:41:20,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:41:20,801 INFO L225 Difference]: With dead ends: 1151 [2025-01-09 03:41:20,801 INFO L226 Difference]: Without dead ends: 584 [2025-01-09 03:41:20,804 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 03:41:20,804 INFO L435 NwaCegarLoop]: 923 mSDtfsCounter, 1 mSDsluCounter, 1840 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 2763 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 03:41:20,805 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 2763 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 03:41:20,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 584 states. [2025-01-09 03:41:20,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 584 to 584. [2025-01-09 03:41:20,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 584 states, 452 states have (on average 1.6415929203539823) internal successors, (742), 470 states have internal predecessors, (742), 103 states have call successors, (103), 28 states have call predecessors, (103), 28 states have return successors, (103), 99 states have call predecessors, (103), 102 states have call successors, (103) [2025-01-09 03:41:20,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 584 states and 948 transitions. [2025-01-09 03:41:20,825 INFO L78 Accepts]: Start accepts. Automaton has 584 states and 948 transitions. Word has length 68 [2025-01-09 03:41:20,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:41:20,825 INFO L471 AbstractCegarLoop]: Abstraction has 584 states and 948 transitions. [2025-01-09 03:41:20,826 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-01-09 03:41:20,826 INFO L276 IsEmpty]: Start isEmpty. Operand 584 states and 948 transitions. [2025-01-09 03:41:20,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2025-01-09 03:41:20,829 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:41:20,829 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-01-09 03:41:20,829 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-01-09 03:41:20,829 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:41:20,829 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:41:20,829 INFO L85 PathProgramCache]: Analyzing trace with hash 1599426717, now seen corresponding path program 1 times [2025-01-09 03:41:20,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:41:20,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487882848] [2025-01-09 03:41:20,830 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:41:20,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:41:20,844 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 69 statements into 1 equivalence classes. [2025-01-09 03:41:20,850 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 69 of 69 statements. [2025-01-09 03:41:20,851 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:41:20,851 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:41:20,927 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-01-09 03:41:20,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:41:20,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487882848] [2025-01-09 03:41:20,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [487882848] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:41:20,927 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 03:41:20,927 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-01-09 03:41:20,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260456783] [2025-01-09 03:41:20,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:41:20,928 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-09 03:41:20,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:41:20,928 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-09 03:41:20,928 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-01-09 03:41:20,928 INFO L87 Difference]: Start difference. First operand 584 states and 948 transitions. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 2 states have call successors, (9), 2 states have call predecessors, (9), 4 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-01-09 03:41:21,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:41:21,137 INFO L93 Difference]: Finished difference Result 1194 states and 1952 transitions. [2025-01-09 03:41:21,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-09 03:41:21,137 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 2 states have call successors, (9), 2 states have call predecessors, (9), 4 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 69 [2025-01-09 03:41:21,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:41:21,141 INFO L225 Difference]: With dead ends: 1194 [2025-01-09 03:41:21,141 INFO L226 Difference]: Without dead ends: 616 [2025-01-09 03:41:21,143 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 03:41:21,143 INFO L435 NwaCegarLoop]: 897 mSDtfsCounter, 72 mSDsluCounter, 3509 mSDsCounter, 0 mSdLazyCounter, 343 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 4406 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 03:41:21,143 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 4406 Invalid, 355 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 343 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-09 03:41:21,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 616 states. [2025-01-09 03:41:21,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 616 to 589. [2025-01-09 03:41:21,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 589 states, 457 states have (on average 1.6280087527352298) internal successors, (744), 474 states have internal predecessors, (744), 103 states have call successors, (103), 29 states have call predecessors, (103), 28 states have return successors, (102), 99 states have call predecessors, (102), 102 states have call successors, (102) [2025-01-09 03:41:21,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 589 states and 949 transitions. [2025-01-09 03:41:21,159 INFO L78 Accepts]: Start accepts. Automaton has 589 states and 949 transitions. Word has length 69 [2025-01-09 03:41:21,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:41:21,159 INFO L471 AbstractCegarLoop]: Abstraction has 589 states and 949 transitions. [2025-01-09 03:41:21,159 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 2 states have call successors, (9), 2 states have call predecessors, (9), 4 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-01-09 03:41:21,159 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 949 transitions. [2025-01-09 03:41:21,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2025-01-09 03:41:21,160 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:41:21,160 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-01-09 03:41:21,160 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-01-09 03:41:21,160 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:41:21,160 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:41:21,160 INFO L85 PathProgramCache]: Analyzing trace with hash -359954562, now seen corresponding path program 1 times [2025-01-09 03:41:21,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:41:21,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655404840] [2025-01-09 03:41:21,161 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:41:21,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:41:21,170 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 70 statements into 1 equivalence classes. [2025-01-09 03:41:21,176 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 70 of 70 statements. [2025-01-09 03:41:21,176 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:41:21,176 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:41:21,247 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-01-09 03:41:21,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:41:21,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655404840] [2025-01-09 03:41:21,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [655404840] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:41:21,248 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 03:41:21,248 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-01-09 03:41:21,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490194120] [2025-01-09 03:41:21,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:41:21,248 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-09 03:41:21,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:41:21,249 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-09 03:41:21,249 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-01-09 03:41:21,249 INFO L87 Difference]: Start difference. First operand 589 states and 949 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 2 states have call successors, (9), 2 states have call predecessors, (9), 4 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-01-09 03:41:21,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:41:21,422 INFO L93 Difference]: Finished difference Result 1145 states and 1847 transitions. [2025-01-09 03:41:21,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-09 03:41:21,422 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 2 states have call successors, (9), 2 states have call predecessors, (9), 4 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 70 [2025-01-09 03:41:21,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:41:21,426 INFO L225 Difference]: With dead ends: 1145 [2025-01-09 03:41:21,426 INFO L226 Difference]: Without dead ends: 607 [2025-01-09 03:41:21,428 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 03:41:21,428 INFO L435 NwaCegarLoop]: 886 mSDtfsCounter, 56 mSDsluCounter, 3497 mSDsCounter, 0 mSdLazyCounter, 274 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 4383 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 03:41:21,428 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 4383 Invalid, 279 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 274 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-09 03:41:21,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 607 states. [2025-01-09 03:41:21,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 607 to 589. [2025-01-09 03:41:21,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 589 states, 457 states have (on average 1.6192560175054704) internal successors, (740), 474 states have internal predecessors, (740), 103 states have call successors, (103), 29 states have call predecessors, (103), 28 states have return successors, (102), 99 states have call predecessors, (102), 102 states have call successors, (102) [2025-01-09 03:41:21,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 589 states and 945 transitions. [2025-01-09 03:41:21,443 INFO L78 Accepts]: Start accepts. Automaton has 589 states and 945 transitions. Word has length 70 [2025-01-09 03:41:21,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:41:21,443 INFO L471 AbstractCegarLoop]: Abstraction has 589 states and 945 transitions. [2025-01-09 03:41:21,443 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 2 states have call successors, (9), 2 states have call predecessors, (9), 4 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-01-09 03:41:21,443 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 945 transitions. [2025-01-09 03:41:21,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2025-01-09 03:41:21,444 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:41:21,444 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-01-09 03:41:21,444 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-01-09 03:41:21,444 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:41:21,445 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:41:21,445 INFO L85 PathProgramCache]: Analyzing trace with hash -884999870, now seen corresponding path program 1 times [2025-01-09 03:41:21,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:41:21,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815738259] [2025-01-09 03:41:21,445 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:41:21,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:41:21,454 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-01-09 03:41:21,460 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-01-09 03:41:21,460 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:41:21,460 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:41:21,543 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-01-09 03:41:21,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:41:21,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [815738259] [2025-01-09 03:41:21,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [815738259] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:41:21,544 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 03:41:21,544 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-01-09 03:41:21,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739358428] [2025-01-09 03:41:21,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:41:21,544 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-09 03:41:21,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:41:21,544 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-09 03:41:21,545 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-01-09 03:41:21,545 INFO L87 Difference]: Start difference. First operand 589 states and 945 transitions. Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 2 states have call successors, (9), 2 states have call predecessors, (9), 4 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-01-09 03:41:21,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:41:21,691 INFO L93 Difference]: Finished difference Result 1145 states and 1843 transitions. [2025-01-09 03:41:21,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-09 03:41:21,691 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 2 states have call successors, (9), 2 states have call predecessors, (9), 4 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 71 [2025-01-09 03:41:21,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:41:21,695 INFO L225 Difference]: With dead ends: 1145 [2025-01-09 03:41:21,695 INFO L226 Difference]: Without dead ends: 607 [2025-01-09 03:41:21,697 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 03:41:21,697 INFO L435 NwaCegarLoop]: 885 mSDtfsCounter, 55 mSDsluCounter, 3493 mSDsCounter, 0 mSdLazyCounter, 254 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 4378 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 03:41:21,697 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 4378 Invalid, 259 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 254 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-09 03:41:21,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 607 states. [2025-01-09 03:41:21,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 607 to 589. [2025-01-09 03:41:21,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 589 states, 457 states have (on average 1.6105032822757113) internal successors, (736), 474 states have internal predecessors, (736), 103 states have call successors, (103), 29 states have call predecessors, (103), 28 states have return successors, (102), 99 states have call predecessors, (102), 102 states have call successors, (102) [2025-01-09 03:41:21,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 589 states and 941 transitions. [2025-01-09 03:41:21,711 INFO L78 Accepts]: Start accepts. Automaton has 589 states and 941 transitions. Word has length 71 [2025-01-09 03:41:21,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:41:21,711 INFO L471 AbstractCegarLoop]: Abstraction has 589 states and 941 transitions. [2025-01-09 03:41:21,711 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 2 states have call successors, (9), 2 states have call predecessors, (9), 4 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-01-09 03:41:21,711 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 941 transitions. [2025-01-09 03:41:21,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2025-01-09 03:41:21,712 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:41:21,712 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-01-09 03:41:21,712 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-01-09 03:41:21,712 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:41:21,712 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:41:21,712 INFO L85 PathProgramCache]: Analyzing trace with hash -1062783550, now seen corresponding path program 1 times [2025-01-09 03:41:21,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:41:21,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420147086] [2025-01-09 03:41:21,713 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:41:21,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:41:21,723 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-01-09 03:41:21,728 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-01-09 03:41:21,728 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:41:21,728 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:41:21,801 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-01-09 03:41:21,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:41:21,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420147086] [2025-01-09 03:41:21,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [420147086] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:41:21,801 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 03:41:21,801 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-01-09 03:41:21,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206062183] [2025-01-09 03:41:21,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:41:21,801 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-09 03:41:21,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:41:21,802 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-09 03:41:21,802 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-01-09 03:41:21,802 INFO L87 Difference]: Start difference. First operand 589 states and 941 transitions. Second operand has 7 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 3 states have call successors, (9), 2 states have call predecessors, (9), 4 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-01-09 03:41:21,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:41:21,863 INFO L93 Difference]: Finished difference Result 1136 states and 1825 transitions. [2025-01-09 03:41:21,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-09 03:41:21,864 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 3 states have call successors, (9), 2 states have call predecessors, (9), 4 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 71 [2025-01-09 03:41:21,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:41:21,867 INFO L225 Difference]: With dead ends: 1136 [2025-01-09 03:41:21,867 INFO L226 Difference]: Without dead ends: 577 [2025-01-09 03:41:21,869 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 03:41:21,869 INFO L435 NwaCegarLoop]: 911 mSDtfsCounter, 94 mSDsluCounter, 4459 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 5370 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 03:41:21,870 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 5370 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 03:41:21,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 577 states. [2025-01-09 03:41:21,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 577 to 568. [2025-01-09 03:41:21,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 568 states, 436 states have (on average 1.603211009174312) internal successors, (699), 453 states have internal predecessors, (699), 103 states have call successors, (103), 29 states have call predecessors, (103), 28 states have return successors, (102), 99 states have call predecessors, (102), 102 states have call successors, (102) [2025-01-09 03:41:21,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 568 states and 904 transitions. [2025-01-09 03:41:21,883 INFO L78 Accepts]: Start accepts. Automaton has 568 states and 904 transitions. Word has length 71 [2025-01-09 03:41:21,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:41:21,883 INFO L471 AbstractCegarLoop]: Abstraction has 568 states and 904 transitions. [2025-01-09 03:41:21,883 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 3 states have call successors, (9), 2 states have call predecessors, (9), 4 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-01-09 03:41:21,883 INFO L276 IsEmpty]: Start isEmpty. Operand 568 states and 904 transitions. [2025-01-09 03:41:21,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2025-01-09 03:41:21,884 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:41:21,884 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-01-09 03:41:21,884 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-01-09 03:41:21,884 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:41:21,885 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:41:21,885 INFO L85 PathProgramCache]: Analyzing trace with hash 104696963, now seen corresponding path program 1 times [2025-01-09 03:41:21,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:41:21,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109589689] [2025-01-09 03:41:21,885 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:41:21,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:41:21,894 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 72 statements into 1 equivalence classes. [2025-01-09 03:41:21,899 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 72 of 72 statements. [2025-01-09 03:41:21,899 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:41:21,900 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:41:21,966 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-01-09 03:41:21,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:41:21,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [109589689] [2025-01-09 03:41:21,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [109589689] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:41:21,966 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 03:41:21,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-01-09 03:41:21,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847912810] [2025-01-09 03:41:21,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:41:21,967 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-09 03:41:21,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:41:21,967 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-09 03:41:21,967 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-01-09 03:41:21,967 INFO L87 Difference]: Start difference. First operand 568 states and 904 transitions. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 2 states have call successors, (9), 2 states have call predecessors, (9), 4 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-01-09 03:41:22,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:41:22,051 INFO L93 Difference]: Finished difference Result 1115 states and 1788 transitions. [2025-01-09 03:41:22,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-09 03:41:22,052 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 2 states have call successors, (9), 2 states have call predecessors, (9), 4 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 72 [2025-01-09 03:41:22,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:41:22,055 INFO L225 Difference]: With dead ends: 1115 [2025-01-09 03:41:22,055 INFO L226 Difference]: Without dead ends: 577 [2025-01-09 03:41:22,079 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 03:41:22,080 INFO L435 NwaCegarLoop]: 886 mSDtfsCounter, 39 mSDsluCounter, 3497 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 4383 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 03:41:22,080 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 4383 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-09 03:41:22,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 577 states. [2025-01-09 03:41:22,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 577 to 568. [2025-01-09 03:41:22,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 568 states, 436 states have (on average 1.6009174311926606) internal successors, (698), 453 states have internal predecessors, (698), 103 states have call successors, (103), 29 states have call predecessors, (103), 28 states have return successors, (102), 99 states have call predecessors, (102), 102 states have call successors, (102) [2025-01-09 03:41:22,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 568 states and 903 transitions. [2025-01-09 03:41:22,094 INFO L78 Accepts]: Start accepts. Automaton has 568 states and 903 transitions. Word has length 72 [2025-01-09 03:41:22,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:41:22,095 INFO L471 AbstractCegarLoop]: Abstraction has 568 states and 903 transitions. [2025-01-09 03:41:22,095 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 2 states have call successors, (9), 2 states have call predecessors, (9), 4 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-01-09 03:41:22,095 INFO L276 IsEmpty]: Start isEmpty. Operand 568 states and 903 transitions. [2025-01-09 03:41:22,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2025-01-09 03:41:22,096 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:41:22,096 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-01-09 03:41:22,096 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-01-09 03:41:22,096 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:41:22,096 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:41:22,096 INFO L85 PathProgramCache]: Analyzing trace with hash 806759911, now seen corresponding path program 1 times [2025-01-09 03:41:22,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:41:22,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587268093] [2025-01-09 03:41:22,097 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:41:22,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:41:22,108 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 73 statements into 1 equivalence classes. [2025-01-09 03:41:22,115 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 73 of 73 statements. [2025-01-09 03:41:22,116 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:41:22,116 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:41:22,208 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-01-09 03:41:22,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:41:22,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587268093] [2025-01-09 03:41:22,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1587268093] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:41:22,209 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 03:41:22,209 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-01-09 03:41:22,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639195927] [2025-01-09 03:41:22,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:41:22,209 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-09 03:41:22,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:41:22,210 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-09 03:41:22,210 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-01-09 03:41:22,210 INFO L87 Difference]: Start difference. First operand 568 states and 903 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 2 states have call successors, (9), 2 states have call predecessors, (9), 4 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-01-09 03:41:22,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:41:22,303 INFO L93 Difference]: Finished difference Result 1115 states and 1787 transitions. [2025-01-09 03:41:22,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-09 03:41:22,303 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 2 states have call successors, (9), 2 states have call predecessors, (9), 4 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 73 [2025-01-09 03:41:22,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:41:22,308 INFO L225 Difference]: With dead ends: 1115 [2025-01-09 03:41:22,308 INFO L226 Difference]: Without dead ends: 577 [2025-01-09 03:41:22,310 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 03:41:22,311 INFO L435 NwaCegarLoop]: 886 mSDtfsCounter, 38 mSDsluCounter, 3497 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 4383 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 03:41:22,311 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 4383 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-09 03:41:22,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 577 states. [2025-01-09 03:41:22,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 577 to 568. [2025-01-09 03:41:22,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 568 states, 436 states have (on average 1.598623853211009) internal successors, (697), 453 states have internal predecessors, (697), 103 states have call successors, (103), 29 states have call predecessors, (103), 28 states have return successors, (102), 99 states have call predecessors, (102), 102 states have call successors, (102) [2025-01-09 03:41:22,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 568 states and 902 transitions. [2025-01-09 03:41:22,331 INFO L78 Accepts]: Start accepts. Automaton has 568 states and 902 transitions. Word has length 73 [2025-01-09 03:41:22,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:41:22,332 INFO L471 AbstractCegarLoop]: Abstraction has 568 states and 902 transitions. [2025-01-09 03:41:22,332 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 2 states have call successors, (9), 2 states have call predecessors, (9), 4 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-01-09 03:41:22,332 INFO L276 IsEmpty]: Start isEmpty. Operand 568 states and 902 transitions. [2025-01-09 03:41:22,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2025-01-09 03:41:22,333 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:41:22,333 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-01-09 03:41:22,333 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-01-09 03:41:22,333 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:41:22,333 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:41:22,334 INFO L85 PathProgramCache]: Analyzing trace with hash 1182107016, now seen corresponding path program 1 times [2025-01-09 03:41:22,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:41:22,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381800313] [2025-01-09 03:41:22,334 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:41:22,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:41:22,346 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 74 statements into 1 equivalence classes. [2025-01-09 03:41:22,352 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 74 of 74 statements. [2025-01-09 03:41:22,352 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:41:22,352 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:41:22,393 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-01-09 03:41:22,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:41:22,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1381800313] [2025-01-09 03:41:22,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1381800313] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:41:22,394 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 03:41:22,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-09 03:41:22,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163058858] [2025-01-09 03:41:22,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:41:22,394 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-09 03:41:22,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:41:22,394 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-09 03:41:22,395 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-09 03:41:22,395 INFO L87 Difference]: Start difference. First operand 568 states and 902 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-01-09 03:41:22,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:41:22,435 INFO L93 Difference]: Finished difference Result 1102 states and 1766 transitions. [2025-01-09 03:41:22,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-09 03:41:22,435 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 74 [2025-01-09 03:41:22,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:41:22,439 INFO L225 Difference]: With dead ends: 1102 [2025-01-09 03:41:22,439 INFO L226 Difference]: Without dead ends: 570 [2025-01-09 03:41:22,441 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 03:41:22,441 INFO L435 NwaCegarLoop]: 865 mSDtfsCounter, 16 mSDsluCounter, 1714 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 2579 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 03:41:22,441 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 2579 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 03:41:22,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 570 states. [2025-01-09 03:41:22,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 570 to 570. [2025-01-09 03:41:22,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 570 states, 438 states have (on average 1.5936073059360731) internal successors, (698), 455 states have internal predecessors, (698), 103 states have call successors, (103), 29 states have call predecessors, (103), 28 states have return successors, (102), 99 states have call predecessors, (102), 102 states have call successors, (102) [2025-01-09 03:41:22,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 570 states and 903 transitions. [2025-01-09 03:41:22,459 INFO L78 Accepts]: Start accepts. Automaton has 570 states and 903 transitions. Word has length 74 [2025-01-09 03:41:22,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:41:22,459 INFO L471 AbstractCegarLoop]: Abstraction has 570 states and 903 transitions. [2025-01-09 03:41:22,459 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-01-09 03:41:22,459 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states and 903 transitions. [2025-01-09 03:41:22,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2025-01-09 03:41:22,460 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:41:22,460 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-01-09 03:41:22,460 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-01-09 03:41:22,460 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:41:22,462 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:41:22,462 INFO L85 PathProgramCache]: Analyzing trace with hash 1211015004, now seen corresponding path program 1 times [2025-01-09 03:41:22,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:41:22,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056434862] [2025-01-09 03:41:22,462 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:41:22,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:41:22,473 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 75 statements into 1 equivalence classes. [2025-01-09 03:41:22,479 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 75 of 75 statements. [2025-01-09 03:41:22,479 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:41:22,479 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:41:22,593 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-01-09 03:41:22,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:41:22,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1056434862] [2025-01-09 03:41:22,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1056434862] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:41:22,593 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 03:41:22,593 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 03:41:22,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91566818] [2025-01-09 03:41:22,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:41:22,594 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 03:41:22,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:41:22,594 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 03:41:22,594 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 03:41:22,594 INFO L87 Difference]: Start difference. First operand 570 states and 903 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-01-09 03:41:22,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:41:22,764 INFO L93 Difference]: Finished difference Result 1611 states and 2603 transitions. [2025-01-09 03:41:22,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 03:41:22,765 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 75 [2025-01-09 03:41:22,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:41:22,776 INFO L225 Difference]: With dead ends: 1611 [2025-01-09 03:41:22,779 INFO L226 Difference]: Without dead ends: 1084 [2025-01-09 03:41:22,782 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 03:41:22,782 INFO L435 NwaCegarLoop]: 975 mSDtfsCounter, 836 mSDsluCounter, 834 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 836 SdHoareTripleChecker+Valid, 1809 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-09 03:41:22,782 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [836 Valid, 1809 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-09 03:41:22,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1084 states. [2025-01-09 03:41:22,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1084 to 1021. [2025-01-09 03:41:22,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1021 states, 789 states have (on average 1.6121673003802282) internal successors, (1272), 815 states have internal predecessors, (1272), 182 states have call successors, (182), 51 states have call predecessors, (182), 49 states have return successors, (187), 169 states have call predecessors, (187), 180 states have call successors, (187) [2025-01-09 03:41:22,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1021 states to 1021 states and 1641 transitions. [2025-01-09 03:41:22,863 INFO L78 Accepts]: Start accepts. Automaton has 1021 states and 1641 transitions. Word has length 75 [2025-01-09 03:41:22,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:41:22,865 INFO L471 AbstractCegarLoop]: Abstraction has 1021 states and 1641 transitions. [2025-01-09 03:41:22,865 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-01-09 03:41:22,865 INFO L276 IsEmpty]: Start isEmpty. Operand 1021 states and 1641 transitions. [2025-01-09 03:41:22,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2025-01-09 03:41:22,874 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:41:22,874 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 03:41:22,874 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2025-01-09 03:41:22,874 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:41:22,874 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:41:22,874 INFO L85 PathProgramCache]: Analyzing trace with hash -822997432, now seen corresponding path program 1 times [2025-01-09 03:41:22,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:41:22,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062035049] [2025-01-09 03:41:22,875 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:41:22,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:41:22,907 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 129 statements into 1 equivalence classes. [2025-01-09 03:41:22,922 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 129 of 129 statements. [2025-01-09 03:41:22,922 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:41:22,922 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:41:23,414 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2025-01-09 03:41:23,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:41:23,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1062035049] [2025-01-09 03:41:23,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1062035049] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 03:41:23,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [475773747] [2025-01-09 03:41:23,416 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:41:23,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 03:41:23,416 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 03:41:23,421 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 03:41:23,422 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 03:41:23,538 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 129 statements into 1 equivalence classes. [2025-01-09 03:41:23,665 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 129 of 129 statements. [2025-01-09 03:41:23,665 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:41:23,665 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:41:23,669 INFO L256 TraceCheckSpWp]: Trace formula consists of 1450 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-01-09 03:41:23,675 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 03:41:23,788 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-01-09 03:41:23,789 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 03:41:23,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [475773747] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:41:23,789 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 03:41:23,789 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 16 [2025-01-09 03:41:23,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896739540] [2025-01-09 03:41:23,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:41:23,789 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-09 03:41:23,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:41:23,790 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-09 03:41:23,790 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2025-01-09 03:41:23,790 INFO L87 Difference]: Start difference. First operand 1021 states and 1641 transitions. Second operand has 6 states, 6 states have (on average 13.0) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) [2025-01-09 03:41:24,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:41:24,165 INFO L93 Difference]: Finished difference Result 2584 states and 4162 transitions. [2025-01-09 03:41:24,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-09 03:41:24,165 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.0) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) Word has length 129 [2025-01-09 03:41:24,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:41:24,173 INFO L225 Difference]: With dead ends: 2584 [2025-01-09 03:41:24,174 INFO L226 Difference]: Without dead ends: 1606 [2025-01-09 03:41:24,178 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2025-01-09 03:41:24,178 INFO L435 NwaCegarLoop]: 1142 mSDtfsCounter, 838 mSDsluCounter, 3396 mSDsCounter, 0 mSdLazyCounter, 229 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 840 SdHoareTripleChecker+Valid, 4538 SdHoareTripleChecker+Invalid, 231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 229 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-09 03:41:24,178 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [840 Valid, 4538 Invalid, 231 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 229 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-09 03:41:24,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1606 states. [2025-01-09 03:41:24,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1606 to 1604. [2025-01-09 03:41:24,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1604 states, 1235 states have (on average 1.582995951417004) internal successors, (1955), 1264 states have internal predecessors, (1955), 285 states have call successors, (285), 87 states have call predecessors, (285), 83 states have return successors, (315), 268 states have call predecessors, (315), 281 states have call successors, (315) [2025-01-09 03:41:24,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1604 states to 1604 states and 2555 transitions. [2025-01-09 03:41:24,264 INFO L78 Accepts]: Start accepts. Automaton has 1604 states and 2555 transitions. Word has length 129 [2025-01-09 03:41:24,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:41:24,264 INFO L471 AbstractCegarLoop]: Abstraction has 1604 states and 2555 transitions. [2025-01-09 03:41:24,264 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.0) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) [2025-01-09 03:41:24,265 INFO L276 IsEmpty]: Start isEmpty. Operand 1604 states and 2555 transitions. [2025-01-09 03:41:24,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2025-01-09 03:41:24,268 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:41:24,268 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 03:41:24,276 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-01-09 03:41:24,472 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,SelfDestructingSolverStorable15 [2025-01-09 03:41:24,472 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:41:24,473 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:41:24,473 INFO L85 PathProgramCache]: Analyzing trace with hash -464284279, now seen corresponding path program 1 times [2025-01-09 03:41:24,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:41:24,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780655058] [2025-01-09 03:41:24,473 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:41:24,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:41:24,488 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 130 statements into 1 equivalence classes. [2025-01-09 03:41:24,495 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 130 of 130 statements. [2025-01-09 03:41:24,496 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:41:24,496 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:41:24,573 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2025-01-09 03:41:24,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:41:24,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1780655058] [2025-01-09 03:41:24,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1780655058] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 03:41:24,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [747484469] [2025-01-09 03:41:24,573 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:41:24,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 03:41:24,573 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 03:41:24,575 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 03:41:24,579 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 03:41:24,689 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 130 statements into 1 equivalence classes. [2025-01-09 03:41:24,816 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 130 of 130 statements. [2025-01-09 03:41:24,816 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:41:24,816 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:41:24,820 INFO L256 TraceCheckSpWp]: Trace formula consists of 1447 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-09 03:41:24,825 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 03:41:24,923 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-01-09 03:41:24,925 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 03:41:24,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [747484469] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:41:24,925 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 03:41:24,926 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2025-01-09 03:41:24,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371198234] [2025-01-09 03:41:24,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:41:24,926 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-09 03:41:24,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:41:24,926 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-09 03:41:24,927 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2025-01-09 03:41:24,927 INFO L87 Difference]: Start difference. First operand 1604 states and 2555 transitions. Second operand has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 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 03:41:25,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:41:25,411 INFO L93 Difference]: Finished difference Result 3197 states and 5250 transitions. [2025-01-09 03:41:25,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-09 03:41:25,411 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 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 130 [2025-01-09 03:41:25,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:41:25,422 INFO L225 Difference]: With dead ends: 3197 [2025-01-09 03:41:25,422 INFO L226 Difference]: Without dead ends: 1636 [2025-01-09 03:41:25,432 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 128 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 03:41:25,432 INFO L435 NwaCegarLoop]: 864 mSDtfsCounter, 832 mSDsluCounter, 1324 mSDsCounter, 0 mSdLazyCounter, 469 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 836 SdHoareTripleChecker+Valid, 2188 SdHoareTripleChecker+Invalid, 484 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 469 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-01-09 03:41:25,432 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [836 Valid, 2188 Invalid, 484 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 469 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-01-09 03:41:25,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1636 states. [2025-01-09 03:41:25,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1636 to 1636. [2025-01-09 03:41:25,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1636 states, 1263 states have (on average 1.5859065716547902) internal successors, (2003), 1292 states have internal predecessors, (2003), 285 states have call successors, (285), 91 states have call predecessors, (285), 87 states have return successors, (319), 268 states have call predecessors, (319), 281 states have call successors, (319) [2025-01-09 03:41:25,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1636 states to 1636 states and 2607 transitions. [2025-01-09 03:41:25,510 INFO L78 Accepts]: Start accepts. Automaton has 1636 states and 2607 transitions. Word has length 130 [2025-01-09 03:41:25,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:41:25,511 INFO L471 AbstractCegarLoop]: Abstraction has 1636 states and 2607 transitions. [2025-01-09 03:41:25,511 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 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 03:41:25,511 INFO L276 IsEmpty]: Start isEmpty. Operand 1636 states and 2607 transitions. [2025-01-09 03:41:25,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2025-01-09 03:41:25,514 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:41:25,514 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 03:41:25,523 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-01-09 03:41:25,715 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,SelfDestructingSolverStorable16 [2025-01-09 03:41:25,716 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:41:25,716 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:41:25,716 INFO L85 PathProgramCache]: Analyzing trace with hash 843619504, now seen corresponding path program 1 times [2025-01-09 03:41:25,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:41:25,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348106301] [2025-01-09 03:41:25,719 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:41:25,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:41:25,775 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 133 statements into 1 equivalence classes. [2025-01-09 03:41:25,792 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 133 of 133 statements. [2025-01-09 03:41:25,795 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:41:25,795 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:41:25,937 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2025-01-09 03:41:25,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:41:25,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348106301] [2025-01-09 03:41:25,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1348106301] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 03:41:25,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1710465102] [2025-01-09 03:41:25,937 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:41:25,938 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 03:41:25,938 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 03:41:25,941 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 03:41:25,950 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 03:41:26,149 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 133 statements into 1 equivalence classes. [2025-01-09 03:41:26,362 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 133 of 133 statements. [2025-01-09 03:41:26,362 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:41:26,362 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:41:26,370 INFO L256 TraceCheckSpWp]: Trace formula consists of 1450 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-09 03:41:26,373 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 03:41:26,510 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2025-01-09 03:41:26,513 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 03:41:26,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1710465102] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:41:26,513 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 03:41:26,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2025-01-09 03:41:26,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824279515] [2025-01-09 03:41:26,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:41:26,514 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-09 03:41:26,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:41:26,514 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-09 03:41:26,515 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2025-01-09 03:41:26,515 INFO L87 Difference]: Start difference. First operand 1636 states and 2607 transitions. Second operand has 5 states, 5 states have (on average 17.0) internal successors, (85), 4 states have internal predecessors, (85), 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 03:41:26,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:41:26,980 INFO L93 Difference]: Finished difference Result 3261 states and 5342 transitions. [2025-01-09 03:41:26,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-09 03:41:26,981 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 4 states have internal predecessors, (85), 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 133 [2025-01-09 03:41:26,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:41:26,990 INFO L225 Difference]: With dead ends: 3261 [2025-01-09 03:41:26,990 INFO L226 Difference]: Without dead ends: 1668 [2025-01-09 03:41:26,998 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 131 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 03:41:26,998 INFO L435 NwaCegarLoop]: 861 mSDtfsCounter, 833 mSDsluCounter, 1324 mSDsCounter, 0 mSdLazyCounter, 468 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 840 SdHoareTripleChecker+Valid, 2185 SdHoareTripleChecker+Invalid, 484 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 468 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-01-09 03:41:26,998 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [840 Valid, 2185 Invalid, 484 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 468 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-01-09 03:41:26,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1668 states. [2025-01-09 03:41:27,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1668 to 1668. [2025-01-09 03:41:27,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1668 states, 1291 states have (on average 1.5886909372579396) internal successors, (2051), 1320 states have internal predecessors, (2051), 285 states have call successors, (285), 95 states have call predecessors, (285), 91 states have return successors, (323), 268 states have call predecessors, (323), 281 states have call successors, (323) [2025-01-09 03:41:27,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1668 states to 1668 states and 2659 transitions. [2025-01-09 03:41:27,054 INFO L78 Accepts]: Start accepts. Automaton has 1668 states and 2659 transitions. Word has length 133 [2025-01-09 03:41:27,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:41:27,054 INFO L471 AbstractCegarLoop]: Abstraction has 1668 states and 2659 transitions. [2025-01-09 03:41:27,054 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 4 states have internal predecessors, (85), 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 03:41:27,054 INFO L276 IsEmpty]: Start isEmpty. Operand 1668 states and 2659 transitions. [2025-01-09 03:41:27,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2025-01-09 03:41:27,058 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:41:27,058 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 03:41:27,065 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-01-09 03:41:27,262 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 03:41:27,262 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:41:27,263 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:41:27,263 INFO L85 PathProgramCache]: Analyzing trace with hash -2071281243, now seen corresponding path program 1 times [2025-01-09 03:41:27,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:41:27,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203510877] [2025-01-09 03:41:27,263 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:41:27,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:41:27,279 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 136 statements into 1 equivalence classes. [2025-01-09 03:41:27,287 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 136 of 136 statements. [2025-01-09 03:41:27,287 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:41:27,287 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:41:27,400 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2025-01-09 03:41:27,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:41:27,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203510877] [2025-01-09 03:41:27,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [203510877] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 03:41:27,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1266322342] [2025-01-09 03:41:27,400 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:41:27,400 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 03:41:27,400 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 03:41:27,402 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 03:41:27,404 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 03:41:27,519 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 136 statements into 1 equivalence classes. [2025-01-09 03:41:27,648 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 136 of 136 statements. [2025-01-09 03:41:27,648 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:41:27,648 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:41:27,653 INFO L256 TraceCheckSpWp]: Trace formula consists of 1453 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-09 03:41:27,658 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 03:41:27,765 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2025-01-09 03:41:27,765 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 03:41:27,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1266322342] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:41:27,765 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 03:41:27,765 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2025-01-09 03:41:27,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905656995] [2025-01-09 03:41:27,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:41:27,765 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-09 03:41:27,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:41:27,766 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-09 03:41:27,766 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2025-01-09 03:41:27,766 INFO L87 Difference]: Start difference. First operand 1668 states and 2659 transitions. Second operand has 5 states, 5 states have (on average 17.4) internal successors, (87), 4 states have internal predecessors, (87), 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 03:41:28,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:41:28,560 INFO L93 Difference]: Finished difference Result 3325 states and 5434 transitions. [2025-01-09 03:41:28,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-09 03:41:28,560 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.4) internal successors, (87), 4 states have internal predecessors, (87), 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 136 [2025-01-09 03:41:28,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:41:28,576 INFO L225 Difference]: With dead ends: 3325 [2025-01-09 03:41:28,579 INFO L226 Difference]: Without dead ends: 1700 [2025-01-09 03:41:28,597 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 134 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 03:41:28,597 INFO L435 NwaCegarLoop]: 858 mSDtfsCounter, 814 mSDsluCounter, 1324 mSDsCounter, 0 mSdLazyCounter, 467 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 824 SdHoareTripleChecker+Valid, 2182 SdHoareTripleChecker+Invalid, 484 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 467 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-01-09 03:41:28,597 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [824 Valid, 2182 Invalid, 484 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 467 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-01-09 03:41:28,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1700 states. [2025-01-09 03:41:28,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1700 to 1700. [2025-01-09 03:41:28,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1700 states, 1319 states have (on average 1.5913570887035633) internal successors, (2099), 1348 states have internal predecessors, (2099), 285 states have call successors, (285), 99 states have call predecessors, (285), 95 states have return successors, (327), 268 states have call predecessors, (327), 281 states have call successors, (327) [2025-01-09 03:41:28,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1700 states to 1700 states and 2711 transitions. [2025-01-09 03:41:28,702 INFO L78 Accepts]: Start accepts. Automaton has 1700 states and 2711 transitions. Word has length 136 [2025-01-09 03:41:28,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:41:28,702 INFO L471 AbstractCegarLoop]: Abstraction has 1700 states and 2711 transitions. [2025-01-09 03:41:28,702 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.4) internal successors, (87), 4 states have internal predecessors, (87), 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 03:41:28,702 INFO L276 IsEmpty]: Start isEmpty. Operand 1700 states and 2711 transitions. [2025-01-09 03:41:28,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2025-01-09 03:41:28,709 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:41:28,709 INFO L218 NwaCegarLoop]: trace histogram [3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 03:41:28,731 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 03:41:28,913 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 03:41:28,913 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:41:28,913 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:41:28,913 INFO L85 PathProgramCache]: Analyzing trace with hash -1583024764, now seen corresponding path program 1 times [2025-01-09 03:41:28,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:41:28,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2114495136] [2025-01-09 03:41:28,913 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:41:28,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:41:28,933 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 139 statements into 1 equivalence classes. [2025-01-09 03:41:28,947 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 139 of 139 statements. [2025-01-09 03:41:28,947 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:41:28,947 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:41:29,026 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2025-01-09 03:41:29,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:41:29,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2114495136] [2025-01-09 03:41:29,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2114495136] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 03:41:29,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [998908598] [2025-01-09 03:41:29,028 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:41:29,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 03:41:29,028 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 03:41:29,035 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 03:41:29,036 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 03:41:29,152 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 139 statements into 1 equivalence classes. [2025-01-09 03:41:29,260 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 139 of 139 statements. [2025-01-09 03:41:29,260 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:41:29,260 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:41:29,263 INFO L256 TraceCheckSpWp]: Trace formula consists of 1456 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-09 03:41:29,266 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 03:41:29,353 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2025-01-09 03:41:29,357 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 03:41:29,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [998908598] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:41:29,357 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 03:41:29,357 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2025-01-09 03:41:29,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24449234] [2025-01-09 03:41:29,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:41:29,358 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-09 03:41:29,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:41:29,359 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-09 03:41:29,359 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2025-01-09 03:41:29,362 INFO L87 Difference]: Start difference. First operand 1700 states and 2711 transitions. Second operand has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 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 03:41:29,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:41:29,810 INFO L93 Difference]: Finished difference Result 3389 states and 5526 transitions. [2025-01-09 03:41:29,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-09 03:41:29,810 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 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 139 [2025-01-09 03:41:29,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:41:29,819 INFO L225 Difference]: With dead ends: 3389 [2025-01-09 03:41:29,819 INFO L226 Difference]: Without dead ends: 1732 [2025-01-09 03:41:29,825 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 137 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 03:41:29,827 INFO L435 NwaCegarLoop]: 855 mSDtfsCounter, 821 mSDsluCounter, 1324 mSDsCounter, 0 mSdLazyCounter, 466 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 834 SdHoareTripleChecker+Valid, 2179 SdHoareTripleChecker+Invalid, 484 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 466 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-01-09 03:41:29,827 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [834 Valid, 2179 Invalid, 484 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 466 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-01-09 03:41:29,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1732 states. [2025-01-09 03:41:29,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1732 to 1732. [2025-01-09 03:41:29,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1732 states, 1347 states have (on average 1.5939123979213066) internal successors, (2147), 1376 states have internal predecessors, (2147), 285 states have call successors, (285), 103 states have call predecessors, (285), 99 states have return successors, (331), 268 states have call predecessors, (331), 281 states have call successors, (331) [2025-01-09 03:41:29,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1732 states to 1732 states and 2763 transitions. [2025-01-09 03:41:29,877 INFO L78 Accepts]: Start accepts. Automaton has 1732 states and 2763 transitions. Word has length 139 [2025-01-09 03:41:29,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:41:29,878 INFO L471 AbstractCegarLoop]: Abstraction has 1732 states and 2763 transitions. [2025-01-09 03:41:29,878 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 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 03:41:29,878 INFO L276 IsEmpty]: Start isEmpty. Operand 1732 states and 2763 transitions. [2025-01-09 03:41:29,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2025-01-09 03:41:29,881 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:41:29,881 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 03:41:29,889 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-01-09 03:41:30,082 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 03:41:30,083 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:41:30,083 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:41:30,083 INFO L85 PathProgramCache]: Analyzing trace with hash -1182431295, now seen corresponding path program 1 times [2025-01-09 03:41:30,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:41:30,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829680033] [2025-01-09 03:41:30,084 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:41:30,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:41:30,095 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 142 statements into 1 equivalence classes. [2025-01-09 03:41:30,102 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 142 of 142 statements. [2025-01-09 03:41:30,102 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:41:30,102 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:41:30,278 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2025-01-09 03:41:30,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:41:30,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829680033] [2025-01-09 03:41:30,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [829680033] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 03:41:30,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [426833392] [2025-01-09 03:41:30,279 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:41:30,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 03:41:30,279 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 03:41:30,281 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 03:41:30,289 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 03:41:30,397 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 142 statements into 1 equivalence classes. [2025-01-09 03:41:30,503 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 142 of 142 statements. [2025-01-09 03:41:30,503 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:41:30,503 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:41:30,508 INFO L256 TraceCheckSpWp]: Trace formula consists of 1459 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-01-09 03:41:30,511 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 03:41:30,656 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 03:41:30,657 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 03:41:30,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [426833392] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:41:30,657 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 03:41:30,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 14 [2025-01-09 03:41:30,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466343440] [2025-01-09 03:41:30,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:41:30,658 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-09 03:41:30,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:41:30,658 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-09 03:41:30,658 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2025-01-09 03:41:30,659 INFO L87 Difference]: Start difference. First operand 1732 states and 2763 transitions. Second operand has 6 states, 6 states have (on average 17.833333333333332) internal successors, (107), 6 states have internal predecessors, (107), 6 states have call successors, (18), 5 states have call predecessors, (18), 5 states have return successors, (17), 6 states have call predecessors, (17), 6 states have call successors, (17) [2025-01-09 03:41:32,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:41:32,044 INFO L93 Difference]: Finished difference Result 3512 states and 5609 transitions. [2025-01-09 03:41:32,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-09 03:41:32,045 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 17.833333333333332) internal successors, (107), 6 states have internal predecessors, (107), 6 states have call successors, (18), 5 states have call predecessors, (18), 5 states have return successors, (17), 6 states have call predecessors, (17), 6 states have call successors, (17) Word has length 142 [2025-01-09 03:41:32,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:41:32,055 INFO L225 Difference]: With dead ends: 3512 [2025-01-09 03:41:32,055 INFO L226 Difference]: Without dead ends: 1826 [2025-01-09 03:41:32,059 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2025-01-09 03:41:32,060 INFO L435 NwaCegarLoop]: 406 mSDtfsCounter, 2126 mSDsluCounter, 462 mSDsCounter, 0 mSdLazyCounter, 1798 mSolverCounterSat, 547 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2239 SdHoareTripleChecker+Valid, 868 SdHoareTripleChecker+Invalid, 2345 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 547 IncrementalHoareTripleChecker+Valid, 1798 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2025-01-09 03:41:32,060 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2239 Valid, 868 Invalid, 2345 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [547 Valid, 1798 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2025-01-09 03:41:32,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1826 states. [2025-01-09 03:41:32,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1826 to 1692. [2025-01-09 03:41:32,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1692 states, 1263 states have (on average 1.5558194774346794) internal successors, (1965), 1312 states have internal predecessors, (1965), 331 states have call successors, (331), 93 states have call predecessors, (331), 97 states have return successors, (377), 312 states have call predecessors, (377), 327 states have call successors, (377) [2025-01-09 03:41:32,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1692 states to 1692 states and 2673 transitions. [2025-01-09 03:41:32,122 INFO L78 Accepts]: Start accepts. Automaton has 1692 states and 2673 transitions. Word has length 142 [2025-01-09 03:41:32,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:41:32,122 INFO L471 AbstractCegarLoop]: Abstraction has 1692 states and 2673 transitions. [2025-01-09 03:41:32,123 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.833333333333332) internal successors, (107), 6 states have internal predecessors, (107), 6 states have call successors, (18), 5 states have call predecessors, (18), 5 states have return successors, (17), 6 states have call predecessors, (17), 6 states have call successors, (17) [2025-01-09 03:41:32,123 INFO L276 IsEmpty]: Start isEmpty. Operand 1692 states and 2673 transitions. [2025-01-09 03:41:32,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2025-01-09 03:41:32,125 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:41:32,126 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 03:41:32,133 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2025-01-09 03:41:32,326 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2025-01-09 03:41:32,327 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:41:32,327 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:41:32,327 INFO L85 PathProgramCache]: Analyzing trace with hash -2136371453, now seen corresponding path program 1 times [2025-01-09 03:41:32,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:41:32,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497853749] [2025-01-09 03:41:32,327 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:41:32,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:41:32,339 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 142 statements into 1 equivalence classes. [2025-01-09 03:41:32,348 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 142 of 142 statements. [2025-01-09 03:41:32,349 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:41:32,349 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:41:32,574 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2025-01-09 03:41:32,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:41:32,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497853749] [2025-01-09 03:41:32,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [497853749] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 03:41:32,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1151880525] [2025-01-09 03:41:32,575 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:41:32,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 03:41:32,575 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 03:41:32,577 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 03:41:32,579 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 03:41:32,686 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 142 statements into 1 equivalence classes. [2025-01-09 03:41:32,788 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 142 of 142 statements. [2025-01-09 03:41:32,788 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:41:32,788 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:41:32,792 INFO L256 TraceCheckSpWp]: Trace formula consists of 1462 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-01-09 03:41:32,795 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 03:41:32,896 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-01-09 03:41:32,896 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 03:41:32,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1151880525] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:41:32,897 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 03:41:32,897 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [10] total 15 [2025-01-09 03:41:32,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926356813] [2025-01-09 03:41:32,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:41:32,897 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-09 03:41:32,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:41:32,897 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-09 03:41:32,897 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2025-01-09 03:41:32,898 INFO L87 Difference]: Start difference. First operand 1692 states and 2673 transitions. Second operand has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 7 states have internal predecessors, (95), 4 states have call successors, (17), 4 states have call predecessors, (17), 5 states have return successors, (16), 5 states have call predecessors, (16), 4 states have call successors, (16) [2025-01-09 03:41:36,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:41:36,364 INFO L93 Difference]: Finished difference Result 7222 states and 11732 transitions. [2025-01-09 03:41:36,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-09 03:41:36,365 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 7 states have internal predecessors, (95), 4 states have call successors, (17), 4 states have call predecessors, (17), 5 states have return successors, (16), 5 states have call predecessors, (16), 4 states have call successors, (16) Word has length 142 [2025-01-09 03:41:36,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:41:36,391 INFO L225 Difference]: With dead ends: 7222 [2025-01-09 03:41:36,391 INFO L226 Difference]: Without dead ends: 5575 [2025-01-09 03:41:36,398 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=100, Invalid=656, Unknown=0, NotChecked=0, Total=756 [2025-01-09 03:41:36,399 INFO L435 NwaCegarLoop]: 562 mSDtfsCounter, 2834 mSDsluCounter, 1557 mSDsCounter, 0 mSdLazyCounter, 6135 mSolverCounterSat, 737 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2941 SdHoareTripleChecker+Valid, 2119 SdHoareTripleChecker+Invalid, 6872 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 737 IncrementalHoareTripleChecker+Valid, 6135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2025-01-09 03:41:36,399 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2941 Valid, 2119 Invalid, 6872 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [737 Valid, 6135 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2025-01-09 03:41:36,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5575 states. [2025-01-09 03:41:36,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5575 to 5171. [2025-01-09 03:41:36,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5171 states, 3844 states have (on average 1.5517689906347554) internal successors, (5965), 3998 states have internal predecessors, (5965), 1016 states have call successors, (1016), 261 states have call predecessors, (1016), 310 states have return successors, (1360), 988 states have call predecessors, (1360), 1008 states have call successors, (1360) [2025-01-09 03:41:36,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5171 states to 5171 states and 8341 transitions. [2025-01-09 03:41:36,622 INFO L78 Accepts]: Start accepts. Automaton has 5171 states and 8341 transitions. Word has length 142 [2025-01-09 03:41:36,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:41:36,622 INFO L471 AbstractCegarLoop]: Abstraction has 5171 states and 8341 transitions. [2025-01-09 03:41:36,622 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 7 states have internal predecessors, (95), 4 states have call successors, (17), 4 states have call predecessors, (17), 5 states have return successors, (16), 5 states have call predecessors, (16), 4 states have call successors, (16) [2025-01-09 03:41:36,623 INFO L276 IsEmpty]: Start isEmpty. Operand 5171 states and 8341 transitions. [2025-01-09 03:41:36,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2025-01-09 03:41:36,626 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:41:36,626 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 03:41:36,634 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-01-09 03:41:36,830 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 03:41:36,830 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:41:36,830 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:41:36,830 INFO L85 PathProgramCache]: Analyzing trace with hash 270996428, now seen corresponding path program 1 times [2025-01-09 03:41:36,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:41:36,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362828352] [2025-01-09 03:41:36,830 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:41:36,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:41:36,840 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 147 statements into 1 equivalence classes. [2025-01-09 03:41:36,846 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 147 of 147 statements. [2025-01-09 03:41:36,846 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:41:36,846 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:41:37,135 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2025-01-09 03:41:37,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:41:37,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362828352] [2025-01-09 03:41:37,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1362828352] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 03:41:37,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1745441843] [2025-01-09 03:41:37,135 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:41:37,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 03:41:37,136 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 03:41:37,142 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 03:41:37,143 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 03:41:37,250 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 147 statements into 1 equivalence classes. [2025-01-09 03:41:37,360 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 147 of 147 statements. [2025-01-09 03:41:37,360 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:41:37,360 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:41:37,365 INFO L256 TraceCheckSpWp]: Trace formula consists of 1478 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-01-09 03:41:37,368 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 03:41:37,472 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-01-09 03:41:37,473 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 03:41:37,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1745441843] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:41:37,473 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 03:41:37,473 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 14 [2025-01-09 03:41:37,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312675241] [2025-01-09 03:41:37,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:41:37,473 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-09 03:41:37,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:41:37,475 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-09 03:41:37,475 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=156, Unknown=0, NotChecked=0, Total=182 [2025-01-09 03:41:37,475 INFO L87 Difference]: Start difference. First operand 5171 states and 8341 transitions. Second operand has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 5 states have internal predecessors, (98), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (17), 3 states have call predecessors, (17), 2 states have call successors, (17) [2025-01-09 03:41:37,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:41:37,819 INFO L93 Difference]: Finished difference Result 5173 states and 8342 transitions. [2025-01-09 03:41:37,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-09 03:41:37,824 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 5 states have internal predecessors, (98), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (17), 3 states have call predecessors, (17), 2 states have call successors, (17) Word has length 147 [2025-01-09 03:41:37,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:41:37,852 INFO L225 Difference]: With dead ends: 5173 [2025-01-09 03:41:37,852 INFO L226 Difference]: Without dead ends: 5171 [2025-01-09 03:41:37,853 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240 [2025-01-09 03:41:37,854 INFO L435 NwaCegarLoop]: 982 mSDtfsCounter, 391 mSDsluCounter, 3469 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 393 SdHoareTripleChecker+Valid, 4451 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-09 03:41:37,854 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [393 Valid, 4451 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-09 03:41:37,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5171 states. [2025-01-09 03:41:37,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5171 to 5171. [2025-01-09 03:41:37,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5171 states, 3844 states have (on average 1.5452653485952133) internal successors, (5940), 3998 states have internal predecessors, (5940), 1016 states have call successors, (1016), 261 states have call predecessors, (1016), 310 states have return successors, (1360), 988 states have call predecessors, (1360), 1008 states have call successors, (1360) [2025-01-09 03:41:38,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5171 states to 5171 states and 8316 transitions. [2025-01-09 03:41:38,017 INFO L78 Accepts]: Start accepts. Automaton has 5171 states and 8316 transitions. Word has length 147 [2025-01-09 03:41:38,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:41:38,017 INFO L471 AbstractCegarLoop]: Abstraction has 5171 states and 8316 transitions. [2025-01-09 03:41:38,017 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 5 states have internal predecessors, (98), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (17), 3 states have call predecessors, (17), 2 states have call successors, (17) [2025-01-09 03:41:38,018 INFO L276 IsEmpty]: Start isEmpty. Operand 5171 states and 8316 transitions. [2025-01-09 03:41:38,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2025-01-09 03:41:38,023 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:41:38,023 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 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] [2025-01-09 03:41:38,034 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 03:41:38,224 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 03:41:38,224 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:41:38,224 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:41:38,224 INFO L85 PathProgramCache]: Analyzing trace with hash 298589822, now seen corresponding path program 1 times [2025-01-09 03:41:38,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:41:38,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783333420] [2025-01-09 03:41:38,225 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:41:38,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:41:38,235 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 170 statements into 1 equivalence classes. [2025-01-09 03:41:38,241 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 170 of 170 statements. [2025-01-09 03:41:38,241 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:41:38,241 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:41:38,451 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2025-01-09 03:41:38,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:41:38,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783333420] [2025-01-09 03:41:38,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [783333420] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 03:41:38,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [587176225] [2025-01-09 03:41:38,451 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:41:38,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 03:41:38,452 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 03:41:38,453 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 03:41:38,455 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 03:41:38,563 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 170 statements into 1 equivalence classes. [2025-01-09 03:41:38,669 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 170 of 170 statements. [2025-01-09 03:41:38,669 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:41:38,669 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:41:38,673 INFO L256 TraceCheckSpWp]: Trace formula consists of 1570 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-09 03:41:38,676 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 03:41:38,699 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2025-01-09 03:41:38,701 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 03:41:38,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [587176225] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:41:38,701 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 03:41:38,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [10] total 12 [2025-01-09 03:41:38,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521803502] [2025-01-09 03:41:38,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:41:38,701 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-09 03:41:38,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:41:38,702 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-09 03:41:38,702 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2025-01-09 03:41:38,702 INFO L87 Difference]: Start difference. First operand 5171 states and 8316 transitions. Second operand has 4 states, 4 states have (on average 29.75) internal successors, (119), 4 states have internal predecessors, (119), 2 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2025-01-09 03:41:38,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:41:38,940 INFO L93 Difference]: Finished difference Result 10567 states and 17242 transitions. [2025-01-09 03:41:38,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-09 03:41:38,941 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 29.75) internal successors, (119), 4 states have internal predecessors, (119), 2 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 170 [2025-01-09 03:41:38,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:41:38,965 INFO L225 Difference]: With dead ends: 10567 [2025-01-09 03:41:38,966 INFO L226 Difference]: Without dead ends: 5441 [2025-01-09 03:41:38,983 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 175 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2025-01-09 03:41:38,984 INFO L435 NwaCegarLoop]: 822 mSDtfsCounter, 144 mSDsluCounter, 1621 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 2443 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 03:41:38,985 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 2443 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-09 03:41:38,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5441 states. [2025-01-09 03:41:39,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5441 to 5405. [2025-01-09 03:41:39,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5405 states, 4072 states have (on average 1.5663064833005893) internal successors, (6378), 4226 states have internal predecessors, (6378), 1016 states have call successors, (1016), 267 states have call predecessors, (1016), 316 states have return successors, (1360), 988 states have call predecessors, (1360), 1008 states have call successors, (1360) [2025-01-09 03:41:39,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5405 states to 5405 states and 8754 transitions. [2025-01-09 03:41:39,275 INFO L78 Accepts]: Start accepts. Automaton has 5405 states and 8754 transitions. Word has length 170 [2025-01-09 03:41:39,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:41:39,276 INFO L471 AbstractCegarLoop]: Abstraction has 5405 states and 8754 transitions. [2025-01-09 03:41:39,276 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 29.75) internal successors, (119), 4 states have internal predecessors, (119), 2 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2025-01-09 03:41:39,276 INFO L276 IsEmpty]: Start isEmpty. Operand 5405 states and 8754 transitions. [2025-01-09 03:41:39,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2025-01-09 03:41:39,282 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:41:39,282 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 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] [2025-01-09 03:41:39,290 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2025-01-09 03:41:39,483 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 03:41:39,483 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:41:39,484 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:41:39,484 INFO L85 PathProgramCache]: Analyzing trace with hash -715302145, now seen corresponding path program 1 times [2025-01-09 03:41:39,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:41:39,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580921644] [2025-01-09 03:41:39,485 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:41:39,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:41:39,500 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 175 statements into 1 equivalence classes. [2025-01-09 03:41:39,508 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 175 of 175 statements. [2025-01-09 03:41:39,508 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:41:39,508 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:41:39,737 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2025-01-09 03:41:39,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:41:39,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580921644] [2025-01-09 03:41:39,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [580921644] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 03:41:39,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2048544598] [2025-01-09 03:41:39,737 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:41:39,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 03:41:39,737 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 03:41:39,739 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 03:41:39,743 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 03:41:39,858 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 175 statements into 1 equivalence classes. [2025-01-09 03:41:39,964 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 175 of 175 statements. [2025-01-09 03:41:39,964 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:41:39,964 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:41:39,968 INFO L256 TraceCheckSpWp]: Trace formula consists of 1575 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-09 03:41:39,970 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 03:41:39,991 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2025-01-09 03:41:39,991 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 03:41:39,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2048544598] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:41:39,991 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 03:41:39,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [10] total 12 [2025-01-09 03:41:39,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273132979] [2025-01-09 03:41:39,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:41:39,992 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-09 03:41:39,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:41:39,992 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-09 03:41:39,992 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2025-01-09 03:41:39,992 INFO L87 Difference]: Start difference. First operand 5405 states and 8754 transitions. Second operand has 4 states, 4 states have (on average 30.75) internal successors, (123), 4 states have internal predecessors, (123), 2 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2025-01-09 03:41:40,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:41:40,240 INFO L93 Difference]: Finished difference Result 11053 states and 18118 transitions. [2025-01-09 03:41:40,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-09 03:41:40,240 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 30.75) internal successors, (123), 4 states have internal predecessors, (123), 2 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 175 [2025-01-09 03:41:40,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:41:40,326 INFO L225 Difference]: With dead ends: 11053 [2025-01-09 03:41:40,326 INFO L226 Difference]: Without dead ends: 5693 [2025-01-09 03:41:40,337 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2025-01-09 03:41:40,338 INFO L435 NwaCegarLoop]: 821 mSDtfsCounter, 142 mSDsluCounter, 1619 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 2440 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 03:41:40,339 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 2440 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-09 03:41:40,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5693 states. [2025-01-09 03:41:40,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5693 to 5639. [2025-01-09 03:41:40,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5639 states, 4300 states have (on average 1.5851162790697675) internal successors, (6816), 4454 states have internal predecessors, (6816), 1016 states have call successors, (1016), 273 states have call predecessors, (1016), 322 states have return successors, (1360), 988 states have call predecessors, (1360), 1008 states have call successors, (1360) [2025-01-09 03:41:40,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5639 states to 5639 states and 9192 transitions. [2025-01-09 03:41:40,491 INFO L78 Accepts]: Start accepts. Automaton has 5639 states and 9192 transitions. Word has length 175 [2025-01-09 03:41:40,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:41:40,493 INFO L471 AbstractCegarLoop]: Abstraction has 5639 states and 9192 transitions. [2025-01-09 03:41:40,493 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 30.75) internal successors, (123), 4 states have internal predecessors, (123), 2 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2025-01-09 03:41:40,493 INFO L276 IsEmpty]: Start isEmpty. Operand 5639 states and 9192 transitions. [2025-01-09 03:41:40,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2025-01-09 03:41:40,498 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:41:40,498 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, 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] [2025-01-09 03:41:40,507 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 03:41:40,699 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,SelfDestructingSolverStorable24 [2025-01-09 03:41:40,699 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:41:40,699 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:41:40,699 INFO L85 PathProgramCache]: Analyzing trace with hash 1605003631, now seen corresponding path program 1 times [2025-01-09 03:41:40,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:41:40,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304303402] [2025-01-09 03:41:40,701 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:41:40,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:41:40,711 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 179 statements into 1 equivalence classes. [2025-01-09 03:41:40,718 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 179 of 179 statements. [2025-01-09 03:41:40,718 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:41:40,718 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:41:40,881 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 03:41:40,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:41:40,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [304303402] [2025-01-09 03:41:40,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [304303402] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 03:41:40,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [254558556] [2025-01-09 03:41:40,882 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:41:40,882 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 03:41:40,882 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 03:41:40,883 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 03:41:40,886 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 03:41:41,000 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 179 statements into 1 equivalence classes. [2025-01-09 03:41:41,109 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 179 of 179 statements. [2025-01-09 03:41:41,110 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:41:41,110 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:41:41,114 INFO L256 TraceCheckSpWp]: Trace formula consists of 1579 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-09 03:41:41,116 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 03:41:41,141 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2025-01-09 03:41:41,141 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 03:41:41,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [254558556] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:41:41,141 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 03:41:41,141 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [10] total 12 [2025-01-09 03:41:41,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467638037] [2025-01-09 03:41:41,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:41:41,141 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-09 03:41:41,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:41:41,142 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-09 03:41:41,142 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2025-01-09 03:41:41,142 INFO L87 Difference]: Start difference. First operand 5639 states and 9192 transitions. Second operand has 4 states, 4 states have (on average 31.75) internal successors, (127), 4 states have internal predecessors, (127), 2 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2025-01-09 03:41:41,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:41:41,432 INFO L93 Difference]: Finished difference Result 11539 states and 18994 transitions. [2025-01-09 03:41:41,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-09 03:41:41,432 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.75) internal successors, (127), 4 states have internal predecessors, (127), 2 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 179 [2025-01-09 03:41:41,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:41:41,471 INFO L225 Difference]: With dead ends: 11539 [2025-01-09 03:41:41,471 INFO L226 Difference]: Without dead ends: 5945 [2025-01-09 03:41:41,487 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2025-01-09 03:41:41,488 INFO L435 NwaCegarLoop]: 820 mSDtfsCounter, 140 mSDsluCounter, 1617 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 2437 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 03:41:41,489 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 2437 Invalid, 197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-09 03:41:41,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5945 states. [2025-01-09 03:41:41,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5945 to 5873. [2025-01-09 03:41:41,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5873 states, 4528 states have (on average 1.6020318021201414) internal successors, (7254), 4682 states have internal predecessors, (7254), 1016 states have call successors, (1016), 279 states have call predecessors, (1016), 328 states have return successors, (1360), 988 states have call predecessors, (1360), 1008 states have call successors, (1360) [2025-01-09 03:41:41,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5873 states to 5873 states and 9630 transitions. [2025-01-09 03:41:41,657 INFO L78 Accepts]: Start accepts. Automaton has 5873 states and 9630 transitions. Word has length 179 [2025-01-09 03:41:41,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:41:41,658 INFO L471 AbstractCegarLoop]: Abstraction has 5873 states and 9630 transitions. [2025-01-09 03:41:41,658 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.75) internal successors, (127), 4 states have internal predecessors, (127), 2 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2025-01-09 03:41:41,659 INFO L276 IsEmpty]: Start isEmpty. Operand 5873 states and 9630 transitions. [2025-01-09 03:41:41,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2025-01-09 03:41:41,664 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:41:41,664 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, 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] [2025-01-09 03:41:41,673 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 03:41:41,864 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,SelfDestructingSolverStorable25 [2025-01-09 03:41:41,864 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:41:41,865 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:41:41,865 INFO L85 PathProgramCache]: Analyzing trace with hash 902742558, now seen corresponding path program 1 times [2025-01-09 03:41:41,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:41:41,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606740323] [2025-01-09 03:41:41,865 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:41:41,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:41:41,876 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 182 statements into 1 equivalence classes. [2025-01-09 03:41:41,881 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 182 of 182 statements. [2025-01-09 03:41:41,881 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:41:41,881 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:41:42,035 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2025-01-09 03:41:42,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:41:42,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606740323] [2025-01-09 03:41:42,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1606740323] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 03:41:42,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [528951448] [2025-01-09 03:41:42,035 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:41:42,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 03:41:42,036 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 03:41:42,037 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 03:41:42,039 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 03:41:42,153 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 182 statements into 1 equivalence classes. [2025-01-09 03:41:42,264 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 182 of 182 statements. [2025-01-09 03:41:42,264 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:41:42,264 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:41:42,268 INFO L256 TraceCheckSpWp]: Trace formula consists of 1582 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-09 03:41:42,271 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 03:41:42,343 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2025-01-09 03:41:42,343 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 03:41:42,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [528951448] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:41:42,343 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 03:41:42,343 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [10] total 12 [2025-01-09 03:41:42,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556177570] [2025-01-09 03:41:42,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:41:42,343 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-09 03:41:42,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:41:42,344 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-09 03:41:42,344 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2025-01-09 03:41:42,344 INFO L87 Difference]: Start difference. First operand 5873 states and 9630 transitions. Second operand has 4 states, 4 states have (on average 32.75) internal successors, (131), 4 states have internal predecessors, (131), 2 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2025-01-09 03:41:42,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:41:42,628 INFO L93 Difference]: Finished difference Result 12025 states and 19870 transitions. [2025-01-09 03:41:42,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-09 03:41:42,629 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 32.75) internal successors, (131), 4 states have internal predecessors, (131), 2 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 182 [2025-01-09 03:41:42,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:41:42,682 INFO L225 Difference]: With dead ends: 12025 [2025-01-09 03:41:42,682 INFO L226 Difference]: Without dead ends: 6197 [2025-01-09 03:41:42,701 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2025-01-09 03:41:42,701 INFO L435 NwaCegarLoop]: 819 mSDtfsCounter, 138 mSDsluCounter, 1615 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 2434 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 03:41:42,702 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 2434 Invalid, 199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-09 03:41:42,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6197 states. [2025-01-09 03:41:42,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6197 to 6107. [2025-01-09 03:41:42,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6107 states, 4756 states have (on average 1.6173254835996635) internal successors, (7692), 4910 states have internal predecessors, (7692), 1016 states have call successors, (1016), 285 states have call predecessors, (1016), 334 states have return successors, (1360), 988 states have call predecessors, (1360), 1008 states have call successors, (1360) [2025-01-09 03:41:42,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6107 states to 6107 states and 10068 transitions. [2025-01-09 03:41:42,878 INFO L78 Accepts]: Start accepts. Automaton has 6107 states and 10068 transitions. Word has length 182 [2025-01-09 03:41:42,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:41:42,878 INFO L471 AbstractCegarLoop]: Abstraction has 6107 states and 10068 transitions. [2025-01-09 03:41:42,878 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 32.75) internal successors, (131), 4 states have internal predecessors, (131), 2 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2025-01-09 03:41:42,879 INFO L276 IsEmpty]: Start isEmpty. Operand 6107 states and 10068 transitions. [2025-01-09 03:41:42,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2025-01-09 03:41:42,883 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:41:42,883 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 4, 3, 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, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 03:41:42,894 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 03:41:43,084 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26,13 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 03:41:43,084 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:41:43,085 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:41:43,085 INFO L85 PathProgramCache]: Analyzing trace with hash 474838350, now seen corresponding path program 1 times [2025-01-09 03:41:43,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:41:43,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994356783] [2025-01-09 03:41:43,087 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:41:43,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:41:43,099 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 184 statements into 1 equivalence classes. [2025-01-09 03:41:43,104 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 184 of 184 statements. [2025-01-09 03:41:43,105 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:41:43,105 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:41:43,374 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2025-01-09 03:41:43,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:41:43,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994356783] [2025-01-09 03:41:43,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [994356783] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 03:41:43,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1974266079] [2025-01-09 03:41:43,375 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:41:43,375 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 03:41:43,375 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 03:41:43,376 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 03:41:43,378 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 03:41:43,504 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 184 statements into 1 equivalence classes. [2025-01-09 03:41:43,633 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 184 of 184 statements. [2025-01-09 03:41:43,633 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:41:43,633 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:41:43,636 INFO L256 TraceCheckSpWp]: Trace formula consists of 1584 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-09 03:41:43,640 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 03:41:43,671 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2025-01-09 03:41:43,671 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 03:41:43,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1974266079] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:41:43,671 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 03:41:43,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [10] total 12 [2025-01-09 03:41:43,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173083024] [2025-01-09 03:41:43,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:41:43,672 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-09 03:41:43,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:41:43,672 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-09 03:41:43,672 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2025-01-09 03:41:43,672 INFO L87 Difference]: Start difference. First operand 6107 states and 10068 transitions. Second operand has 4 states, 4 states have (on average 31.75) internal successors, (127), 4 states have internal predecessors, (127), 2 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2025-01-09 03:41:44,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:41:44,059 INFO L93 Difference]: Finished difference Result 12511 states and 20746 transitions. [2025-01-09 03:41:44,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-09 03:41:44,059 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.75) internal successors, (127), 4 states have internal predecessors, (127), 2 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 184 [2025-01-09 03:41:44,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:41:44,104 INFO L225 Difference]: With dead ends: 12511 [2025-01-09 03:41:44,104 INFO L226 Difference]: Without dead ends: 6449 [2025-01-09 03:41:44,139 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2025-01-09 03:41:44,139 INFO L435 NwaCegarLoop]: 817 mSDtfsCounter, 136 mSDsluCounter, 1610 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 2427 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-09 03:41:44,139 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 2427 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-09 03:41:44,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6449 states. [2025-01-09 03:41:44,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6449 to 6341. [2025-01-09 03:41:44,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6341 states, 4984 states have (on average 1.6312199036918138) internal successors, (8130), 5138 states have internal predecessors, (8130), 1016 states have call successors, (1016), 291 states have call predecessors, (1016), 340 states have return successors, (1360), 988 states have call predecessors, (1360), 1008 states have call successors, (1360) [2025-01-09 03:41:44,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6341 states to 6341 states and 10506 transitions. [2025-01-09 03:41:44,394 INFO L78 Accepts]: Start accepts. Automaton has 6341 states and 10506 transitions. Word has length 184 [2025-01-09 03:41:44,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:41:44,395 INFO L471 AbstractCegarLoop]: Abstraction has 6341 states and 10506 transitions. [2025-01-09 03:41:44,396 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.75) internal successors, (127), 4 states have internal predecessors, (127), 2 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2025-01-09 03:41:44,396 INFO L276 IsEmpty]: Start isEmpty. Operand 6341 states and 10506 transitions. [2025-01-09 03:41:44,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2025-01-09 03:41:44,399 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:41:44,399 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 5, 4, 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, 1, 1, 1, 1, 1] [2025-01-09 03:41:44,408 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2025-01-09 03:41:44,600 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2025-01-09 03:41:44,600 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:41:44,600 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:41:44,600 INFO L85 PathProgramCache]: Analyzing trace with hash 679813885, now seen corresponding path program 1 times [2025-01-09 03:41:44,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:41:44,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562638285] [2025-01-09 03:41:44,601 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:41:44,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:41:44,613 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 184 statements into 1 equivalence classes. [2025-01-09 03:41:44,618 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 184 of 184 statements. [2025-01-09 03:41:44,618 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:41:44,618 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:41:44,821 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2025-01-09 03:41:44,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:41:44,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1562638285] [2025-01-09 03:41:44,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1562638285] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 03:41:44,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1237774690] [2025-01-09 03:41:44,821 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:41:44,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 03:41:44,821 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 03:41:44,824 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 03:41:44,826 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 03:41:44,954 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 184 statements into 1 equivalence classes. [2025-01-09 03:41:45,065 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 184 of 184 statements. [2025-01-09 03:41:45,065 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:41:45,065 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:41:45,072 INFO L256 TraceCheckSpWp]: Trace formula consists of 1581 conjuncts, 37 conjuncts are in the unsatisfiable core [2025-01-09 03:41:45,075 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 03:41:45,218 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2025-01-09 03:41:45,218 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 03:41:45,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1237774690] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:41:45,218 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 03:41:45,218 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [10] total 15 [2025-01-09 03:41:45,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979032290] [2025-01-09 03:41:45,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:41:45,219 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-01-09 03:41:45,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:41:45,219 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-01-09 03:41:45,219 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2025-01-09 03:41:45,219 INFO L87 Difference]: Start difference. First operand 6341 states and 10506 transitions. Second operand has 9 states, 9 states have (on average 13.88888888888889) internal successors, (125), 7 states have internal predecessors, (125), 4 states have call successors, (20), 4 states have call predecessors, (20), 6 states have return successors, (19), 6 states have call predecessors, (19), 4 states have call successors, (19) [2025-01-09 03:41:47,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:41:47,557 INFO L93 Difference]: Finished difference Result 19779 states and 33334 transitions. [2025-01-09 03:41:47,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-09 03:41:47,558 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 13.88888888888889) internal successors, (125), 7 states have internal predecessors, (125), 4 states have call successors, (20), 4 states have call predecessors, (20), 6 states have return successors, (19), 6 states have call predecessors, (19), 4 states have call successors, (19) Word has length 184 [2025-01-09 03:41:47,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:41:47,611 INFO L225 Difference]: With dead ends: 19779 [2025-01-09 03:41:47,611 INFO L226 Difference]: Without dead ends: 10461 [2025-01-09 03:41:47,645 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=426, Unknown=0, NotChecked=0, Total=506 [2025-01-09 03:41:47,645 INFO L435 NwaCegarLoop]: 367 mSDtfsCounter, 2012 mSDsluCounter, 1918 mSDsCounter, 0 mSdLazyCounter, 4138 mSolverCounterSat, 503 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2118 SdHoareTripleChecker+Valid, 2285 SdHoareTripleChecker+Invalid, 4641 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 503 IncrementalHoareTripleChecker+Valid, 4138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2025-01-09 03:41:47,648 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2118 Valid, 2285 Invalid, 4641 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [503 Valid, 4138 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2025-01-09 03:41:47,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10461 states. [2025-01-09 03:41:48,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10461 to 10380. [2025-01-09 03:41:48,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10380 states, 8055 states have (on average 1.626691495965239) internal successors, (13103), 8366 states have internal predecessors, (13103), 1724 states have call successors, (1724), 465 states have call predecessors, (1724), 600 states have return successors, (2395), 1696 states have call predecessors, (2395), 1716 states have call successors, (2395) [2025-01-09 03:41:48,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10380 states to 10380 states and 17222 transitions. [2025-01-09 03:41:48,054 INFO L78 Accepts]: Start accepts. Automaton has 10380 states and 17222 transitions. Word has length 184 [2025-01-09 03:41:48,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:41:48,054 INFO L471 AbstractCegarLoop]: Abstraction has 10380 states and 17222 transitions. [2025-01-09 03:41:48,054 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 13.88888888888889) internal successors, (125), 7 states have internal predecessors, (125), 4 states have call successors, (20), 4 states have call predecessors, (20), 6 states have return successors, (19), 6 states have call predecessors, (19), 4 states have call successors, (19) [2025-01-09 03:41:48,054 INFO L276 IsEmpty]: Start isEmpty. Operand 10380 states and 17222 transitions. [2025-01-09 03:41:48,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2025-01-09 03:41:48,062 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:41:48,063 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 5, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 03:41:48,070 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2025-01-09 03:41:48,263 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,SelfDestructingSolverStorable28 [2025-01-09 03:41:48,263 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:41:48,264 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:41:48,264 INFO L85 PathProgramCache]: Analyzing trace with hash 2009571335, now seen corresponding path program 1 times [2025-01-09 03:41:48,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:41:48,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211578954] [2025-01-09 03:41:48,264 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:41:48,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:41:48,275 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 187 statements into 1 equivalence classes. [2025-01-09 03:41:48,279 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 187 of 187 statements. [2025-01-09 03:41:48,279 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:41:48,279 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:41:48,369 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2025-01-09 03:41:48,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:41:48,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211578954] [2025-01-09 03:41:48,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [211578954] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:41:48,370 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 03:41:48,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-01-09 03:41:48,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486238562] [2025-01-09 03:41:48,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:41:48,371 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-09 03:41:48,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:41:48,371 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-09 03:41:48,371 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2025-01-09 03:41:48,371 INFO L87 Difference]: Start difference. First operand 10380 states and 17222 transitions. Second operand has 8 states, 7 states have (on average 16.285714285714285) internal successors, (114), 7 states have internal predecessors, (114), 3 states have call successors, (19), 2 states have call predecessors, (19), 4 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2025-01-09 03:41:48,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:41:48,674 INFO L93 Difference]: Finished difference Result 20457 states and 33955 transitions. [2025-01-09 03:41:48,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-09 03:41:48,675 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 16.285714285714285) internal successors, (114), 7 states have internal predecessors, (114), 3 states have call successors, (19), 2 states have call predecessors, (19), 4 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 187 [2025-01-09 03:41:48,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:41:48,716 INFO L225 Difference]: With dead ends: 20457 [2025-01-09 03:41:48,716 INFO L226 Difference]: Without dead ends: 9762 [2025-01-09 03:41:48,747 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 03:41:48,747 INFO L435 NwaCegarLoop]: 860 mSDtfsCounter, 33 mSDsluCounter, 5128 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 5988 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-09 03:41:48,747 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 5988 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-09 03:41:48,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9762 states. [2025-01-09 03:41:49,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9762 to 9738. [2025-01-09 03:41:49,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9738 states, 7648 states have (on average 1.6406903765690377) internal successors, (12548), 7934 states have internal predecessors, (12548), 1539 states have call successors, (1539), 441 states have call predecessors, (1539), 550 states have return successors, (2043), 1490 states have call predecessors, (2043), 1531 states have call successors, (2043) [2025-01-09 03:41:49,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9738 states to 9738 states and 16130 transitions. [2025-01-09 03:41:49,152 INFO L78 Accepts]: Start accepts. Automaton has 9738 states and 16130 transitions. Word has length 187 [2025-01-09 03:41:49,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:41:49,152 INFO L471 AbstractCegarLoop]: Abstraction has 9738 states and 16130 transitions. [2025-01-09 03:41:49,152 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 16.285714285714285) internal successors, (114), 7 states have internal predecessors, (114), 3 states have call successors, (19), 2 states have call predecessors, (19), 4 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2025-01-09 03:41:49,153 INFO L276 IsEmpty]: Start isEmpty. Operand 9738 states and 16130 transitions. [2025-01-09 03:41:49,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 531 [2025-01-09 03:41:49,165 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:41:49,165 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 15, 12, 9, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 5, 5, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:41:49,166 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2025-01-09 03:41:49,166 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:41:49,166 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:41:49,167 INFO L85 PathProgramCache]: Analyzing trace with hash -1834247130, now seen corresponding path program 1 times [2025-01-09 03:41:49,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:41:49,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801086904] [2025-01-09 03:41:49,167 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:41:49,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:41:49,190 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 530 statements into 1 equivalence classes. [2025-01-09 03:41:49,196 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 530 of 530 statements. [2025-01-09 03:41:49,196 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:41:49,196 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:41:49,557 INFO L134 CoverageAnalysis]: Checked inductivity of 1383 backedges. 27 proven. 144 refuted. 0 times theorem prover too weak. 1212 trivial. 0 not checked. [2025-01-09 03:41:49,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:41:49,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801086904] [2025-01-09 03:41:49,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1801086904] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 03:41:49,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [534276955] [2025-01-09 03:41:49,558 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:41:49,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 03:41:49,558 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 03:41:49,560 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 03:41:49,562 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 03:41:49,767 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 530 statements into 1 equivalence classes. [2025-01-09 03:41:50,106 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 530 of 530 statements. [2025-01-09 03:41:50,106 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:41:50,106 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:41:50,117 INFO L256 TraceCheckSpWp]: Trace formula consists of 4038 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-01-09 03:41:50,124 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 03:41:50,167 INFO L134 CoverageAnalysis]: Checked inductivity of 1383 backedges. 674 proven. 0 refuted. 0 times theorem prover too weak. 709 trivial. 0 not checked. [2025-01-09 03:41:50,173 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 03:41:50,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [534276955] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:41:50,174 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 03:41:50,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [10] total 11 [2025-01-09 03:41:50,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757556216] [2025-01-09 03:41:50,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:41:50,174 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 03:41:50,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:41:50,175 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 03:41:50,175 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2025-01-09 03:41:50,175 INFO L87 Difference]: Start difference. First operand 9738 states and 16130 transitions. Second operand has 3 states, 3 states have (on average 71.0) internal successors, (213), 3 states have internal predecessors, (213), 3 states have call successors, (39), 3 states have call predecessors, (39), 3 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2025-01-09 03:41:50,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:41:50,729 INFO L93 Difference]: Finished difference Result 19974 states and 33506 transitions. [2025-01-09 03:41:50,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 03:41:50,729 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 71.0) internal successors, (213), 3 states have internal predecessors, (213), 3 states have call successors, (39), 3 states have call predecessors, (39), 3 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) Word has length 530 [2025-01-09 03:41:50,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:41:50,807 INFO L225 Difference]: With dead ends: 19974 [2025-01-09 03:41:50,807 INFO L226 Difference]: Without dead ends: 14856 [2025-01-09 03:41:50,825 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 545 GetRequests, 536 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2025-01-09 03:41:50,825 INFO L435 NwaCegarLoop]: 895 mSDtfsCounter, 879 mSDsluCounter, 846 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 879 SdHoareTripleChecker+Valid, 1741 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 03:41:50,826 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [879 Valid, 1741 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 03:41:50,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14856 states. [2025-01-09 03:41:51,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14856 to 14854. [2025-01-09 03:41:51,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14854 states, 11613 states have (on average 1.639800223887023) internal successors, (19043), 12076 states have internal predecessors, (19043), 2406 states have call successors, (2406), 670 states have call predecessors, (2406), 834 states have return successors, (3363), 2363 states have call predecessors, (3363), 2394 states have call successors, (3363) [2025-01-09 03:41:51,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14854 states to 14854 states and 24812 transitions. [2025-01-09 03:41:51,516 INFO L78 Accepts]: Start accepts. Automaton has 14854 states and 24812 transitions. Word has length 530 [2025-01-09 03:41:51,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:41:51,517 INFO L471 AbstractCegarLoop]: Abstraction has 14854 states and 24812 transitions. [2025-01-09 03:41:51,517 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 71.0) internal successors, (213), 3 states have internal predecessors, (213), 3 states have call successors, (39), 3 states have call predecessors, (39), 3 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2025-01-09 03:41:51,517 INFO L276 IsEmpty]: Start isEmpty. Operand 14854 states and 24812 transitions. [2025-01-09 03:41:51,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 532 [2025-01-09 03:41:51,528 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:41:51,528 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 15, 12, 9, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 5, 5, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:41:51,539 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 03:41:51,729 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,16 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 03:41:51,729 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:41:51,730 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:41:51,730 INFO L85 PathProgramCache]: Analyzing trace with hash 51349216, now seen corresponding path program 1 times [2025-01-09 03:41:51,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:41:51,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16210028] [2025-01-09 03:41:51,730 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:41:51,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:41:51,752 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 531 statements into 1 equivalence classes. [2025-01-09 03:41:51,758 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 531 of 531 statements. [2025-01-09 03:41:51,758 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:41:51,758 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:41:52,159 INFO L134 CoverageAnalysis]: Checked inductivity of 1383 backedges. 27 proven. 144 refuted. 0 times theorem prover too weak. 1212 trivial. 0 not checked. [2025-01-09 03:41:52,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:41:52,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [16210028] [2025-01-09 03:41:52,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [16210028] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 03:41:52,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1296260092] [2025-01-09 03:41:52,160 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:41:52,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 03:41:52,160 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 03:41:52,162 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 03:41:52,164 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 03:41:52,373 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 531 statements into 1 equivalence classes. [2025-01-09 03:41:52,678 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 531 of 531 statements. [2025-01-09 03:41:52,678 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:41:52,678 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:41:52,691 INFO L256 TraceCheckSpWp]: Trace formula consists of 4039 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-09 03:41:52,698 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 03:41:52,743 INFO L134 CoverageAnalysis]: Checked inductivity of 1383 backedges. 674 proven. 0 refuted. 0 times theorem prover too weak. 709 trivial. 0 not checked. [2025-01-09 03:41:52,743 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 03:41:52,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1296260092] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:41:52,743 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 03:41:52,743 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [10] total 12 [2025-01-09 03:41:52,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177844652] [2025-01-09 03:41:52,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:41:52,744 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-09 03:41:52,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:41:52,744 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-09 03:41:52,745 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2025-01-09 03:41:52,745 INFO L87 Difference]: Start difference. First operand 14854 states and 24812 transitions. Second operand has 4 states, 4 states have (on average 53.5) internal successors, (214), 4 states have internal predecessors, (214), 2 states have call successors, (39), 2 states have call predecessors, (39), 3 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2025-01-09 03:41:53,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:41:53,274 INFO L93 Difference]: Finished difference Result 29801 states and 50303 transitions. [2025-01-09 03:41:53,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-09 03:41:53,275 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 53.5) internal successors, (214), 4 states have internal predecessors, (214), 2 states have call successors, (39), 2 states have call predecessors, (39), 3 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) Word has length 531 [2025-01-09 03:41:53,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:41:53,361 INFO L225 Difference]: With dead ends: 29801 [2025-01-09 03:41:53,361 INFO L226 Difference]: Without dead ends: 14989 [2025-01-09 03:41:53,451 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 547 GetRequests, 536 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2025-01-09 03:41:53,452 INFO L435 NwaCegarLoop]: 864 mSDtfsCounter, 22 mSDsluCounter, 1704 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 2568 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 03:41:53,452 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 2568 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 03:41:53,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14989 states. [2025-01-09 03:41:54,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14989 to 14989. [2025-01-09 03:41:54,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14989 states, 11733 states have (on average 1.6409272990709964) internal successors, (19253), 12196 states have internal predecessors, (19253), 2406 states have call successors, (2406), 685 states have call predecessors, (2406), 849 states have return successors, (3363), 2363 states have call predecessors, (3363), 2394 states have call successors, (3363) [2025-01-09 03:41:54,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14989 states to 14989 states and 25022 transitions. [2025-01-09 03:41:54,145 INFO L78 Accepts]: Start accepts. Automaton has 14989 states and 25022 transitions. Word has length 531 [2025-01-09 03:41:54,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:41:54,146 INFO L471 AbstractCegarLoop]: Abstraction has 14989 states and 25022 transitions. [2025-01-09 03:41:54,146 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 53.5) internal successors, (214), 4 states have internal predecessors, (214), 2 states have call successors, (39), 2 states have call predecessors, (39), 3 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2025-01-09 03:41:54,146 INFO L276 IsEmpty]: Start isEmpty. Operand 14989 states and 25022 transitions. [2025-01-09 03:41:54,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 533 [2025-01-09 03:41:54,167 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:41:54,167 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 15, 12, 9, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 5, 5, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:41:54,188 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2025-01-09 03:41:54,367 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,17 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 03:41:54,371 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:41:54,371 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:41:54,371 INFO L85 PathProgramCache]: Analyzing trace with hash -930344298, now seen corresponding path program 1 times [2025-01-09 03:41:54,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:41:54,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022645472] [2025-01-09 03:41:54,372 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:41:54,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:41:54,396 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 532 statements into 1 equivalence classes. [2025-01-09 03:41:54,407 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 532 of 532 statements. [2025-01-09 03:41:54,407 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:41:54,407 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:41:54,930 INFO L134 CoverageAnalysis]: Checked inductivity of 1383 backedges. 27 proven. 144 refuted. 0 times theorem prover too weak. 1212 trivial. 0 not checked. [2025-01-09 03:41:54,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:41:54,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1022645472] [2025-01-09 03:41:54,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1022645472] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 03:41:54,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [976939828] [2025-01-09 03:41:54,931 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:41:54,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 03:41:54,931 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 03:41:54,933 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 03:41:54,937 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 03:41:55,136 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 532 statements into 1 equivalence classes. [2025-01-09 03:41:55,420 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 532 of 532 statements. [2025-01-09 03:41:55,420 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:41:55,420 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:41:55,432 INFO L256 TraceCheckSpWp]: Trace formula consists of 4040 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-09 03:41:55,439 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 03:41:55,466 INFO L134 CoverageAnalysis]: Checked inductivity of 1383 backedges. 676 proven. 0 refuted. 0 times theorem prover too weak. 707 trivial. 0 not checked. [2025-01-09 03:41:55,467 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 03:41:55,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [976939828] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:41:55,467 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 03:41:55,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [10] total 12 [2025-01-09 03:41:55,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137040738] [2025-01-09 03:41:55,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:41:55,467 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-09 03:41:55,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:41:55,468 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-09 03:41:55,468 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2025-01-09 03:41:55,468 INFO L87 Difference]: Start difference. First operand 14989 states and 25022 transitions. Second operand has 4 states, 4 states have (on average 54.0) internal successors, (216), 4 states have internal predecessors, (216), 2 states have call successors, (39), 2 states have call predecessors, (39), 3 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2025-01-09 03:41:56,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:41:56,025 INFO L93 Difference]: Finished difference Result 30071 states and 50663 transitions. [2025-01-09 03:41:56,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-09 03:41:56,026 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 54.0) internal successors, (216), 4 states have internal predecessors, (216), 2 states have call successors, (39), 2 states have call predecessors, (39), 3 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) Word has length 532 [2025-01-09 03:41:56,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:41:56,089 INFO L225 Difference]: With dead ends: 30071 [2025-01-09 03:41:56,089 INFO L226 Difference]: Without dead ends: 15124 [2025-01-09 03:41:56,131 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 548 GetRequests, 537 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2025-01-09 03:41:56,132 INFO L435 NwaCegarLoop]: 862 mSDtfsCounter, 20 mSDsluCounter, 1700 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 2562 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 03:41:56,132 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 2562 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 03:41:56,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15124 states. [2025-01-09 03:41:56,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15124 to 15124. [2025-01-09 03:41:56,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15124 states, 11853 states have (on average 1.6420315531932843) internal successors, (19463), 12316 states have internal predecessors, (19463), 2406 states have call successors, (2406), 700 states have call predecessors, (2406), 864 states have return successors, (3363), 2363 states have call predecessors, (3363), 2394 states have call successors, (3363) [2025-01-09 03:41:56,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15124 states to 15124 states and 25232 transitions. [2025-01-09 03:41:56,910 INFO L78 Accepts]: Start accepts. Automaton has 15124 states and 25232 transitions. Word has length 532 [2025-01-09 03:41:56,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:41:56,913 INFO L471 AbstractCegarLoop]: Abstraction has 15124 states and 25232 transitions. [2025-01-09 03:41:56,913 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 54.0) internal successors, (216), 4 states have internal predecessors, (216), 2 states have call successors, (39), 2 states have call predecessors, (39), 3 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2025-01-09 03:41:56,913 INFO L276 IsEmpty]: Start isEmpty. Operand 15124 states and 25232 transitions. [2025-01-09 03:41:56,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 534 [2025-01-09 03:41:56,964 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:41:56,965 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 15, 12, 9, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 5, 5, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:41:56,988 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2025-01-09 03:41:57,165 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,18 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 03:41:57,166 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:41:57,166 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:41:57,167 INFO L85 PathProgramCache]: Analyzing trace with hash 1236425756, now seen corresponding path program 1 times [2025-01-09 03:41:57,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:41:57,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471881142] [2025-01-09 03:41:57,167 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:41:57,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:41:57,197 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 533 statements into 1 equivalence classes. [2025-01-09 03:41:57,206 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 533 of 533 statements. [2025-01-09 03:41:57,206 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:41:57,206 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:41:57,747 INFO L134 CoverageAnalysis]: Checked inductivity of 1383 backedges. 27 proven. 144 refuted. 0 times theorem prover too weak. 1212 trivial. 0 not checked. [2025-01-09 03:41:57,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:41:57,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471881142] [2025-01-09 03:41:57,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [471881142] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 03:41:57,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1748958688] [2025-01-09 03:41:57,747 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:41:57,747 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 03:41:57,747 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 03:41:57,749 INFO L229 MonitoredProcess]: Starting monitored process 19 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 03:41:57,750 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2025-01-09 03:41:57,943 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 533 statements into 1 equivalence classes. [2025-01-09 03:41:58,228 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 533 of 533 statements. [2025-01-09 03:41:58,228 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:41:58,228 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:41:58,240 INFO L256 TraceCheckSpWp]: Trace formula consists of 4041 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-01-09 03:41:58,247 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 03:41:58,607 INFO L134 CoverageAnalysis]: Checked inductivity of 1383 backedges. 695 proven. 0 refuted. 0 times theorem prover too weak. 688 trivial. 0 not checked. [2025-01-09 03:41:58,607 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 03:41:58,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1748958688] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:41:58,608 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 03:41:58,608 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [10] total 17 [2025-01-09 03:41:58,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460582318] [2025-01-09 03:41:58,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:41:58,608 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-01-09 03:41:58,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:41:58,609 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-01-09 03:41:58,609 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=237, Unknown=0, NotChecked=0, Total=272 [2025-01-09 03:41:58,609 INFO L87 Difference]: Start difference. First operand 15124 states and 25232 transitions. Second operand has 9 states, 9 states have (on average 25.555555555555557) internal successors, (230), 8 states have internal predecessors, (230), 6 states have call successors, (41), 5 states have call predecessors, (41), 7 states have return successors, (40), 7 states have call predecessors, (40), 6 states have call successors, (40) [2025-01-09 03:42:03,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:42:03,271 INFO L93 Difference]: Finished difference Result 52971 states and 90806 transitions. [2025-01-09 03:42:03,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-09 03:42:03,272 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 25.555555555555557) internal successors, (230), 8 states have internal predecessors, (230), 6 states have call successors, (41), 5 states have call predecessors, (41), 7 states have return successors, (40), 7 states have call predecessors, (40), 6 states have call successors, (40) Word has length 533 [2025-01-09 03:42:03,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:42:03,493 INFO L225 Difference]: With dead ends: 52971 [2025-01-09 03:42:03,493 INFO L226 Difference]: Without dead ends: 37852 [2025-01-09 03:42:03,553 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 557 GetRequests, 534 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2025-01-09 03:42:03,554 INFO L435 NwaCegarLoop]: 516 mSDtfsCounter, 2298 mSDsluCounter, 2056 mSDsCounter, 0 mSdLazyCounter, 8028 mSolverCounterSat, 583 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2475 SdHoareTripleChecker+Valid, 2572 SdHoareTripleChecker+Invalid, 8611 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 583 IncrementalHoareTripleChecker+Valid, 8028 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2025-01-09 03:42:03,557 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2475 Valid, 2572 Invalid, 8611 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [583 Valid, 8028 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2025-01-09 03:42:03,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37852 states. [2025-01-09 03:42:04,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37852 to 36782. [2025-01-09 03:42:04,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36782 states, 29174 states have (on average 1.6414958524713785) internal successors, (47889), 30174 states have internal predecessors, (47889), 5523 states have call successors, (5523), 1783 states have call predecessors, (5523), 2084 states have return successors, (8484), 5444 states have call predecessors, (8484), 5494 states have call successors, (8484) [2025-01-09 03:42:04,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36782 states to 36782 states and 61896 transitions. [2025-01-09 03:42:05,000 INFO L78 Accepts]: Start accepts. Automaton has 36782 states and 61896 transitions. Word has length 533 [2025-01-09 03:42:05,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:42:05,001 INFO L471 AbstractCegarLoop]: Abstraction has 36782 states and 61896 transitions. [2025-01-09 03:42:05,001 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 25.555555555555557) internal successors, (230), 8 states have internal predecessors, (230), 6 states have call successors, (41), 5 states have call predecessors, (41), 7 states have return successors, (40), 7 states have call predecessors, (40), 6 states have call successors, (40) [2025-01-09 03:42:05,003 INFO L276 IsEmpty]: Start isEmpty. Operand 36782 states and 61896 transitions. [2025-01-09 03:42:05,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 534 [2025-01-09 03:42:05,016 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:42:05,017 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 15, 12, 9, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 5, 5, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:42:05,028 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2025-01-09 03:42:05,219 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,19 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 03:42:05,219 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:42:05,220 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:42:05,220 INFO L85 PathProgramCache]: Analyzing trace with hash 2032122286, now seen corresponding path program 1 times [2025-01-09 03:42:05,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:42:05,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238876782] [2025-01-09 03:42:05,220 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:42:05,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:42:05,249 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 533 statements into 1 equivalence classes. [2025-01-09 03:42:05,369 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 533 of 533 statements. [2025-01-09 03:42:05,369 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:42:05,369 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:42:05,811 INFO L134 CoverageAnalysis]: Checked inductivity of 1383 backedges. 27 proven. 144 refuted. 0 times theorem prover too weak. 1212 trivial. 0 not checked. [2025-01-09 03:42:05,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:42:05,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238876782] [2025-01-09 03:42:05,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1238876782] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 03:42:05,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2113541912] [2025-01-09 03:42:05,811 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:42:05,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 03:42:05,812 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 03:42:05,814 INFO L229 MonitoredProcess]: Starting monitored process 20 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 03:42:05,815 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2025-01-09 03:42:06,030 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 533 statements into 1 equivalence classes. [2025-01-09 03:42:06,344 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 533 of 533 statements. [2025-01-09 03:42:06,344 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:42:06,344 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:42:06,354 INFO L256 TraceCheckSpWp]: Trace formula consists of 4041 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-09 03:42:06,363 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 03:42:06,400 INFO L134 CoverageAnalysis]: Checked inductivity of 1383 backedges. 676 proven. 0 refuted. 0 times theorem prover too weak. 707 trivial. 0 not checked. [2025-01-09 03:42:06,400 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 03:42:06,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2113541912] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:42:06,400 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 03:42:06,400 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [10] total 12 [2025-01-09 03:42:06,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821448427] [2025-01-09 03:42:06,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:42:06,401 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-09 03:42:06,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:42:06,402 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-09 03:42:06,402 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2025-01-09 03:42:06,402 INFO L87 Difference]: Start difference. First operand 36782 states and 61896 transitions. Second operand has 4 states, 4 states have (on average 54.25) internal successors, (217), 4 states have internal predecessors, (217), 2 states have call successors, (39), 2 states have call predecessors, (39), 3 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2025-01-09 03:42:08,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:42:08,167 INFO L93 Difference]: Finished difference Result 73539 states and 124674 transitions. [2025-01-09 03:42:08,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-09 03:42:08,168 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 54.25) internal successors, (217), 4 states have internal predecessors, (217), 2 states have call successors, (39), 2 states have call predecessors, (39), 3 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) Word has length 533 [2025-01-09 03:42:08,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:42:08,357 INFO L225 Difference]: With dead ends: 73539 [2025-01-09 03:42:08,357 INFO L226 Difference]: Without dead ends: 37218 [2025-01-09 03:42:08,489 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 549 GetRequests, 538 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2025-01-09 03:42:08,490 INFO L435 NwaCegarLoop]: 860 mSDtfsCounter, 18 mSDsluCounter, 1696 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 2556 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-09 03:42:08,490 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 2556 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-09 03:42:08,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37218 states. [2025-01-09 03:42:09,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37218 to 37160. [2025-01-09 03:42:09,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37160 states, 29510 states have (on average 1.6426635038969841) internal successors, (48475), 30510 states have internal predecessors, (48475), 5523 states have call successors, (5523), 1825 states have call predecessors, (5523), 2126 states have return successors, (8184), 5444 states have call predecessors, (8184), 5494 states have call successors, (8184) [2025-01-09 03:42:09,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37160 states to 37160 states and 62182 transitions. [2025-01-09 03:42:09,895 INFO L78 Accepts]: Start accepts. Automaton has 37160 states and 62182 transitions. Word has length 533 [2025-01-09 03:42:09,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:42:09,896 INFO L471 AbstractCegarLoop]: Abstraction has 37160 states and 62182 transitions. [2025-01-09 03:42:09,896 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 54.25) internal successors, (217), 4 states have internal predecessors, (217), 2 states have call successors, (39), 2 states have call predecessors, (39), 3 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2025-01-09 03:42:09,896 INFO L276 IsEmpty]: Start isEmpty. Operand 37160 states and 62182 transitions. [2025-01-09 03:42:09,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 533 [2025-01-09 03:42:09,911 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:42:09,911 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 15, 12, 9, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 5, 5, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:42:09,923 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2025-01-09 03:42:10,112 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,20 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 03:42:10,112 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:42:10,113 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:42:10,113 INFO L85 PathProgramCache]: Analyzing trace with hash -1892325848, now seen corresponding path program 1 times [2025-01-09 03:42:10,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:42:10,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027565086] [2025-01-09 03:42:10,113 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:42:10,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:42:10,138 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 532 statements into 1 equivalence classes. [2025-01-09 03:42:10,144 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 532 of 532 statements. [2025-01-09 03:42:10,144 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:42:10,144 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:42:10,715 INFO L134 CoverageAnalysis]: Checked inductivity of 1383 backedges. 27 proven. 144 refuted. 0 times theorem prover too weak. 1212 trivial. 0 not checked. [2025-01-09 03:42:10,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:42:10,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027565086] [2025-01-09 03:42:10,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2027565086] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 03:42:10,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1848378072] [2025-01-09 03:42:10,715 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:42:10,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 03:42:10,716 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 03:42:10,717 INFO L229 MonitoredProcess]: Starting monitored process 21 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 03:42:10,718 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2025-01-09 03:42:10,937 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 532 statements into 1 equivalence classes. [2025-01-09 03:42:11,263 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 532 of 532 statements. [2025-01-09 03:42:11,263 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:42:11,263 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:42:11,275 INFO L256 TraceCheckSpWp]: Trace formula consists of 4040 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-01-09 03:42:11,285 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 03:42:11,595 INFO L134 CoverageAnalysis]: Checked inductivity of 1383 backedges. 757 proven. 270 refuted. 0 times theorem prover too weak. 356 trivial. 0 not checked. [2025-01-09 03:42:11,596 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-09 03:42:12,259 INFO L134 CoverageAnalysis]: Checked inductivity of 1383 backedges. 133 proven. 36 refuted. 0 times theorem prover too weak. 1214 trivial. 0 not checked. [2025-01-09 03:42:12,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1848378072] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-09 03:42:12,260 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-09 03:42:12,260 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 6, 5] total 16 [2025-01-09 03:42:12,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112274906] [2025-01-09 03:42:12,260 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-09 03:42:12,265 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-01-09 03:42:12,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:42:12,265 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-01-09 03:42:12,265 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2025-01-09 03:42:12,266 INFO L87 Difference]: Start difference. First operand 37160 states and 62182 transitions. Second operand has 16 states, 16 states have (on average 27.625) internal successors, (442), 14 states have internal predecessors, (442), 11 states have call successors, (106), 7 states have call predecessors, (106), 10 states have return successors, (106), 13 states have call predecessors, (106), 11 states have call successors, (106) [2025-01-09 03:42:35,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:42:35,587 INFO L93 Difference]: Finished difference Result 239698 states and 436740 transitions. [2025-01-09 03:42:35,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2025-01-09 03:42:35,587 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 27.625) internal successors, (442), 14 states have internal predecessors, (442), 11 states have call successors, (106), 7 states have call predecessors, (106), 10 states have return successors, (106), 13 states have call predecessors, (106), 11 states have call successors, (106) Word has length 532 [2025-01-09 03:42:35,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:42:37,275 INFO L225 Difference]: With dead ends: 239698 [2025-01-09 03:42:37,275 INFO L226 Difference]: Without dead ends: 202562 [2025-01-09 03:42:37,667 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1151 GetRequests, 1085 SyntacticMatches, 1 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1276 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=654, Invalid=3768, Unknown=0, NotChecked=0, Total=4422 [2025-01-09 03:42:37,668 INFO L435 NwaCegarLoop]: 1408 mSDtfsCounter, 16865 mSDsluCounter, 7778 mSDsCounter, 0 mSdLazyCounter, 28567 mSolverCounterSat, 6698 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16865 SdHoareTripleChecker+Valid, 9186 SdHoareTripleChecker+Invalid, 35265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6698 IncrementalHoareTripleChecker+Valid, 28567 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.4s IncrementalHoareTripleChecker+Time [2025-01-09 03:42:37,668 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [16865 Valid, 9186 Invalid, 35265 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6698 Valid, 28567 Invalid, 0 Unknown, 0 Unchecked, 12.4s Time] [2025-01-09 03:42:37,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202562 states.