./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/elevator_spec2_product03.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/elevator_spec2_product03.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/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 859441835e916fdbcdc78c3c849990624cc8f637b8bbdd3bb312aaefa9b36e0f --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-11 20:29:20,634 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-11 20:29:20,723 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-11 20:29:20,728 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-11 20:29:20,728 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-11 20:29:20,764 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-11 20:29:20,764 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-11 20:29:20,765 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-11 20:29:20,766 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-11 20:29:20,767 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-11 20:29:20,767 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-11 20:29:20,768 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-11 20:29:20,768 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-11 20:29:20,770 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-11 20:29:20,771 INFO L153 SettingsManager]: * Use SBE=true [2024-11-11 20:29:20,771 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-11 20:29:20,771 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-11 20:29:20,772 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-11 20:29:20,772 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-11 20:29:20,772 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-11 20:29:20,773 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-11 20:29:20,776 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-11 20:29:20,777 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-11 20:29:20,777 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-11 20:29:20,777 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-11 20:29:20,778 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-11 20:29:20,778 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-11 20:29:20,778 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-11 20:29:20,779 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-11 20:29:20,779 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-11 20:29:20,779 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-11 20:29:20,779 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-11 20:29:20,780 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-11 20:29:20,780 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-11 20:29:20,780 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-11 20:29:20,781 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-11 20:29:20,781 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-11 20:29:20,781 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-11 20:29:20,781 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-11 20:29:20,782 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-11 20:29:20,783 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-11 20:29:20,783 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-11 20:29:20,784 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 859441835e916fdbcdc78c3c849990624cc8f637b8bbdd3bb312aaefa9b36e0f [2024-11-11 20:29:21,031 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-11 20:29:21,055 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-11 20:29:21,058 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-11 20:29:21,059 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-11 20:29:21,060 INFO L274 PluginConnector]: CDTParser initialized [2024-11-11 20:29:21,061 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/elevator_spec2_product03.cil.c [2024-11-11 20:29:22,504 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-11 20:29:22,854 INFO L384 CDTParser]: Found 1 translation units. [2024-11-11 20:29:22,855 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/elevator_spec2_product03.cil.c [2024-11-11 20:29:22,883 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7ba9cb39/cfedcc4a17084361a82f076fe38c1cec/FLAG40d6f64d2 [2024-11-11 20:29:22,898 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7ba9cb39/cfedcc4a17084361a82f076fe38c1cec [2024-11-11 20:29:22,901 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-11 20:29:22,903 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-11 20:29:22,905 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-11 20:29:22,905 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-11 20:29:22,911 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-11 20:29:22,912 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 08:29:22" (1/1) ... [2024-11-11 20:29:22,913 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78ad7a52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:29:22, skipping insertion in model container [2024-11-11 20:29:22,913 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 08:29:22" (1/1) ... [2024-11-11 20:29:22,977 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-11 20:29:23,334 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/elevator_spec2_product03.cil.c[29828,29841] [2024-11-11 20:29:23,510 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-11 20:29:23,527 INFO L200 MainTranslator]: Completed pre-run [2024-11-11 20:29:23,537 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Floor.i","") [48] [2024-11-11 20:29:23,539 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Person.i","") [716] [2024-11-11 20:29:23,539 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [837] [2024-11-11 20:29:23,540 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [851] [2024-11-11 20:29:23,540 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1217] [2024-11-11 20:29:23,541 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [1226] [2024-11-11 20:29:23,541 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [1264] [2024-11-11 20:29:23,541 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Elevator.i","") [1622] [2024-11-11 20:29:23,541 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [3131] [2024-11-11 20:29:23,541 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"UnitTests.i","") [3312] [2024-11-11 20:29:23,638 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/elevator_spec2_product03.cil.c[29828,29841] [2024-11-11 20:29:23,712 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-11 20:29:23,745 INFO L204 MainTranslator]: Completed translation [2024-11-11 20:29:23,745 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:29:23 WrapperNode [2024-11-11 20:29:23,745 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-11 20:29:23,746 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-11 20:29:23,746 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-11 20:29:23,746 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-11 20:29:23,751 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:29:23" (1/1) ... [2024-11-11 20:29:23,779 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:29:23" (1/1) ... [2024-11-11 20:29:23,823 INFO L138 Inliner]: procedures = 92, calls = 336, calls flagged for inlining = 23, calls inlined = 20, statements flattened = 1070 [2024-11-11 20:29:23,824 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-11 20:29:23,824 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-11 20:29:23,824 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-11 20:29:23,828 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-11 20:29:23,846 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:29:23" (1/1) ... [2024-11-11 20:29:23,846 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:29:23" (1/1) ... [2024-11-11 20:29:23,852 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:29:23" (1/1) ... [2024-11-11 20:29:23,888 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]. [2024-11-11 20:29:23,889 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:29:23" (1/1) ... [2024-11-11 20:29:23,889 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:29:23" (1/1) ... [2024-11-11 20:29:23,920 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:29:23" (1/1) ... [2024-11-11 20:29:23,939 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:29:23" (1/1) ... [2024-11-11 20:29:23,949 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:29:23" (1/1) ... [2024-11-11 20:29:23,962 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:29:23" (1/1) ... [2024-11-11 20:29:23,979 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-11 20:29:23,984 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-11 20:29:23,984 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-11 20:29:23,984 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-11 20:29:23,985 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:29:23" (1/1) ... [2024-11-11 20:29:23,992 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-11 20:29:24,003 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-11 20:29:24,020 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-11 20:29:24,024 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-11 20:29:24,068 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-11 20:29:24,069 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2024-11-11 20:29:24,069 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2024-11-11 20:29:24,069 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2024-11-11 20:29:24,069 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2024-11-11 20:29:24,069 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2024-11-11 20:29:24,069 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2024-11-11 20:29:24,069 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2024-11-11 20:29:24,069 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2024-11-11 20:29:24,070 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2024-11-11 20:29:24,070 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2024-11-11 20:29:24,070 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-11-11 20:29:24,070 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-11-11 20:29:24,070 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-11-11 20:29:24,070 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-11-11 20:29:24,070 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2024-11-11 20:29:24,071 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2024-11-11 20:29:24,071 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2024-11-11 20:29:24,071 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2024-11-11 20:29:24,071 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2024-11-11 20:29:24,071 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2024-11-11 20:29:24,071 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2024-11-11 20:29:24,071 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2024-11-11 20:29:24,071 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2024-11-11 20:29:24,071 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2024-11-11 20:29:24,072 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2024-11-11 20:29:24,072 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2024-11-11 20:29:24,072 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2024-11-11 20:29:24,072 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2024-11-11 20:29:24,072 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2024-11-11 20:29:24,072 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2024-11-11 20:29:24,072 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2024-11-11 20:29:24,072 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2024-11-11 20:29:24,072 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2024-11-11 20:29:24,072 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2024-11-11 20:29:24,073 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2024-11-11 20:29:24,073 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2024-11-11 20:29:24,073 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__base [2024-11-11 20:29:24,073 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__base [2024-11-11 20:29:24,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-11 20:29:24,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-11 20:29:24,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-11 20:29:24,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-11 20:29:24,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-11 20:29:24,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-11 20:29:24,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-11 20:29:24,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-11 20:29:24,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-11 20:29:24,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-11 20:29:24,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-11 20:29:24,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-11 20:29:24,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-11 20:29:24,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-11 20:29:24,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-11 20:29:24,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-11 20:29:24,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-11 20:29:24,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-11 20:29:24,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-11 20:29:24,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-11-11 20:29:24,080 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2024-11-11 20:29:24,080 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2024-11-11 20:29:24,080 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2024-11-11 20:29:24,080 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2024-11-11 20:29:24,080 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2024-11-11 20:29:24,081 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2024-11-11 20:29:24,081 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-11 20:29:24,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-11 20:29:24,081 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2024-11-11 20:29:24,081 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2024-11-11 20:29:24,251 INFO L238 CfgBuilder]: Building ICFG [2024-11-11 20:29:24,253 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-11 20:29:25,333 INFO L? ?]: Removed 431 outVars from TransFormulas that were not future-live. [2024-11-11 20:29:25,333 INFO L287 CfgBuilder]: Performing block encoding [2024-11-11 20:29:25,364 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-11 20:29:25,368 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-11 20:29:25,369 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 08:29:25 BoogieIcfgContainer [2024-11-11 20:29:25,369 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-11 20:29:25,370 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-11 20:29:25,370 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-11 20:29:25,376 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-11 20:29:25,376 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.11 08:29:22" (1/3) ... [2024-11-11 20:29:25,377 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11bd7269 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.11 08:29:25, skipping insertion in model container [2024-11-11 20:29:25,377 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:29:23" (2/3) ... [2024-11-11 20:29:25,378 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11bd7269 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.11 08:29:25, skipping insertion in model container [2024-11-11 20:29:25,378 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 08:29:25" (3/3) ... [2024-11-11 20:29:25,380 INFO L112 eAbstractionObserver]: Analyzing ICFG elevator_spec2_product03.cil.c [2024-11-11 20:29:25,438 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-11 20:29:25,441 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-11 20:29:25,556 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-11 20:29:25,563 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;@38a69877, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-11 20:29:25,564 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-11 20:29:25,571 INFO L276 IsEmpty]: Start isEmpty. Operand has 545 states, 426 states have (on average 1.6948356807511737) internal successors, (722), 447 states have internal predecessors, (722), 94 states have call successors, (94), 23 states have call predecessors, (94), 23 states have return successors, (94), 88 states have call predecessors, (94), 94 states have call successors, (94) [2024-11-11 20:29:25,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-11 20:29:25,598 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 20:29:25,599 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-11 20:29:25,600 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 20:29:25,605 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 20:29:25,605 INFO L85 PathProgramCache]: Analyzing trace with hash 1217975181, now seen corresponding path program 1 times [2024-11-11 20:29:25,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 20:29:25,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675735859] [2024-11-11 20:29:25,615 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:29:25,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 20:29:25,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:29:26,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-11 20:29:26,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:29:26,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-11 20:29:26,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:29:26,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-11 20:29:26,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:29:26,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-11 20:29:26,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:29:26,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-11 20:29:26,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:29:26,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-11 20:29:26,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:29:26,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-11 20:29:26,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:29:26,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-11 20:29:26,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:29:26,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-11 20:29:26,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:29:26,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-11 20:29:26,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:29:26,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-11 20:29:26,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:29:26,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-11 20:29:26,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:29:26,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-11 20:29:26,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:29:26,970 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-11 20:29:26,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 20:29:26,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1675735859] [2024-11-11 20:29:26,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1675735859] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 20:29:26,971 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 20:29:26,972 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-11 20:29:26,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566848720] [2024-11-11 20:29:26,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 20:29:26,977 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-11 20:29:26,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 20:29:27,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-11 20:29:27,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-11 20:29:27,014 INFO L87 Difference]: Start difference. First operand has 545 states, 426 states have (on average 1.6948356807511737) internal successors, (722), 447 states have internal predecessors, (722), 94 states have call successors, (94), 23 states have call predecessors, (94), 23 states have return successors, (94), 88 states have call predecessors, (94), 94 states have call successors, (94) Second operand has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (13), 5 states have call predecessors, (13), 3 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-11 20:29:32,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 20:29:32,212 INFO L93 Difference]: Finished difference Result 1329 states and 2269 transitions. [2024-11-11 20:29:32,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-11 20:29:32,215 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (13), 5 states have call predecessors, (13), 3 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 102 [2024-11-11 20:29:32,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 20:29:32,253 INFO L225 Difference]: With dead ends: 1329 [2024-11-11 20:29:32,254 INFO L226 Difference]: Without dead ends: 796 [2024-11-11 20:29:32,266 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2024-11-11 20:29:32,270 INFO L435 NwaCegarLoop]: 481 mSDtfsCounter, 1801 mSDsluCounter, 1287 mSDsCounter, 0 mSdLazyCounter, 2698 mSolverCounterSat, 505 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1880 SdHoareTripleChecker+Valid, 1768 SdHoareTripleChecker+Invalid, 3203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 505 IncrementalHoareTripleChecker+Valid, 2698 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2024-11-11 20:29:32,274 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1880 Valid, 1768 Invalid, 3203 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [505 Valid, 2698 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2024-11-11 20:29:32,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 796 states. [2024-11-11 20:29:32,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 796 to 537. [2024-11-11 20:29:32,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 537 states, 420 states have (on average 1.6904761904761905) internal successors, (710), 439 states have internal predecessors, (710), 94 states have call successors, (94), 23 states have call predecessors, (94), 22 states have return successors, (89), 87 states have call predecessors, (89), 89 states have call successors, (89) [2024-11-11 20:29:32,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 537 states and 893 transitions. [2024-11-11 20:29:32,527 INFO L78 Accepts]: Start accepts. Automaton has 537 states and 893 transitions. Word has length 102 [2024-11-11 20:29:32,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 20:29:32,528 INFO L471 AbstractCegarLoop]: Abstraction has 537 states and 893 transitions. [2024-11-11 20:29:32,529 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (13), 5 states have call predecessors, (13), 3 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-11 20:29:32,529 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 893 transitions. [2024-11-11 20:29:32,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-11 20:29:32,537 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 20:29:32,537 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-11 20:29:32,538 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-11 20:29:32,538 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 20:29:32,539 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 20:29:32,539 INFO L85 PathProgramCache]: Analyzing trace with hash -493393200, now seen corresponding path program 1 times [2024-11-11 20:29:32,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 20:29:32,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654125420] [2024-11-11 20:29:32,540 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:29:32,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 20:29:32,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:29:32,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-11 20:29:32,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:29:32,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-11 20:29:32,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:29:32,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-11 20:29:32,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:29:33,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-11 20:29:33,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:29:33,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-11 20:29:33,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:29:33,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-11 20:29:33,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:29:33,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-11 20:29:33,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:29:33,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-11 20:29:33,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:29:33,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-11 20:29:33,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:29:33,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-11 20:29:33,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:29:33,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-11 20:29:33,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:29:33,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-11 20:29:33,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:29:33,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-11 20:29:33,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:29:33,320 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-11 20:29:33,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 20:29:33,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654125420] [2024-11-11 20:29:33,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [654125420] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 20:29:33,322 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 20:29:33,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-11 20:29:33,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202680583] [2024-11-11 20:29:33,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 20:29:33,324 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-11 20:29:33,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 20:29:33,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-11 20:29:33,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-11 20:29:33,325 INFO L87 Difference]: Start difference. First operand 537 states and 893 transitions. Second operand has 7 states, 7 states have (on average 10.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (13), 5 states have call predecessors, (13), 3 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-11 20:29:37,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 20:29:37,834 INFO L93 Difference]: Finished difference Result 1315 states and 2231 transitions. [2024-11-11 20:29:37,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-11 20:29:37,835 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (13), 5 states have call predecessors, (13), 3 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 105 [2024-11-11 20:29:37,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 20:29:37,845 INFO L225 Difference]: With dead ends: 1315 [2024-11-11 20:29:37,845 INFO L226 Difference]: Without dead ends: 796 [2024-11-11 20:29:37,847 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2024-11-11 20:29:37,849 INFO L435 NwaCegarLoop]: 479 mSDtfsCounter, 1372 mSDsluCounter, 1319 mSDsCounter, 0 mSdLazyCounter, 2755 mSolverCounterSat, 351 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1451 SdHoareTripleChecker+Valid, 1798 SdHoareTripleChecker+Invalid, 3106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 351 IncrementalHoareTripleChecker+Valid, 2755 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2024-11-11 20:29:37,850 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1451 Valid, 1798 Invalid, 3106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [351 Valid, 2755 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2024-11-11 20:29:37,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 796 states. [2024-11-11 20:29:38,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 796 to 537. [2024-11-11 20:29:38,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 537 states, 420 states have (on average 1.688095238095238) internal successors, (709), 439 states have internal predecessors, (709), 94 states have call successors, (94), 23 states have call predecessors, (94), 22 states have return successors, (89), 87 states have call predecessors, (89), 89 states have call successors, (89) [2024-11-11 20:29:38,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 537 states and 892 transitions. [2024-11-11 20:29:38,006 INFO L78 Accepts]: Start accepts. Automaton has 537 states and 892 transitions. Word has length 105 [2024-11-11 20:29:38,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 20:29:38,007 INFO L471 AbstractCegarLoop]: Abstraction has 537 states and 892 transitions. [2024-11-11 20:29:38,007 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (13), 5 states have call predecessors, (13), 3 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-11 20:29:38,007 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 892 transitions. [2024-11-11 20:29:38,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-11 20:29:38,011 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 20:29:38,011 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-11 20:29:38,011 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-11 20:29:38,012 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 20:29:38,012 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 20:29:38,012 INFO L85 PathProgramCache]: Analyzing trace with hash 1657049085, now seen corresponding path program 1 times [2024-11-11 20:29:38,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 20:29:38,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2052697620] [2024-11-11 20:29:38,013 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:29:38,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 20:29:38,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:29:38,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-11 20:29:38,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:29:38,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-11 20:29:38,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:29:38,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-11 20:29:38,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:29:38,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-11 20:29:38,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:29:38,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-11 20:29:38,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:29:38,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-11 20:29:38,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:29:38,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-11 20:29:38,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:29:38,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-11 20:29:38,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:29:38,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-11 20:29:38,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:29:38,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-11 20:29:38,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:29:38,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-11 20:29:38,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:29:38,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-11 20:29:38,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:29:38,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-11 20:29:38,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:29:38,686 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-11 20:29:38,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 20:29:38,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2052697620] [2024-11-11 20:29:38,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2052697620] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 20:29:38,687 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 20:29:38,687 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-11 20:29:38,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580387536] [2024-11-11 20:29:38,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 20:29:38,688 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-11 20:29:38,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 20:29:38,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-11 20:29:38,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-11 20:29:38,689 INFO L87 Difference]: Start difference. First operand 537 states and 892 transitions. Second operand has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (13), 5 states have call predecessors, (13), 3 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-11 20:29:42,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 20:29:42,743 INFO L93 Difference]: Finished difference Result 1315 states and 2230 transitions. [2024-11-11 20:29:42,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-11 20:29:42,744 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (13), 5 states have call predecessors, (13), 3 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 106 [2024-11-11 20:29:42,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 20:29:42,751 INFO L225 Difference]: With dead ends: 1315 [2024-11-11 20:29:42,751 INFO L226 Difference]: Without dead ends: 796 [2024-11-11 20:29:42,753 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2024-11-11 20:29:42,755 INFO L435 NwaCegarLoop]: 479 mSDtfsCounter, 1787 mSDsluCounter, 1265 mSDsCounter, 0 mSdLazyCounter, 2688 mSolverCounterSat, 500 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1866 SdHoareTripleChecker+Valid, 1744 SdHoareTripleChecker+Invalid, 3188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 500 IncrementalHoareTripleChecker+Valid, 2688 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2024-11-11 20:29:42,755 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1866 Valid, 1744 Invalid, 3188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [500 Valid, 2688 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2024-11-11 20:29:42,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 796 states. [2024-11-11 20:29:42,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 796 to 537. [2024-11-11 20:29:42,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 537 states, 420 states have (on average 1.6857142857142857) internal successors, (708), 439 states have internal predecessors, (708), 94 states have call successors, (94), 23 states have call predecessors, (94), 22 states have return successors, (89), 87 states have call predecessors, (89), 89 states have call successors, (89) [2024-11-11 20:29:42,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 537 states and 891 transitions. [2024-11-11 20:29:42,876 INFO L78 Accepts]: Start accepts. Automaton has 537 states and 891 transitions. Word has length 106 [2024-11-11 20:29:42,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 20:29:42,876 INFO L471 AbstractCegarLoop]: Abstraction has 537 states and 891 transitions. [2024-11-11 20:29:42,878 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (13), 5 states have call predecessors, (13), 3 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-11 20:29:42,878 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 891 transitions. [2024-11-11 20:29:42,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-11 20:29:42,883 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 20:29:42,884 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-11 20:29:42,885 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-11 20:29:42,886 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 20:29:42,886 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 20:29:42,886 INFO L85 PathProgramCache]: Analyzing trace with hash -455717396, now seen corresponding path program 1 times [2024-11-11 20:29:42,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 20:29:42,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164803551] [2024-11-11 20:29:42,886 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:29:42,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 20:29:42,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:29:43,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-11 20:29:43,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:29:43,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-11 20:29:43,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:29:43,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-11 20:29:43,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:29:43,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-11 20:29:43,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:29:43,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-11 20:29:43,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:29:43,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-11 20:29:43,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:29:43,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-11 20:29:43,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:29:43,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-11 20:29:43,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:29:43,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-11 20:29:43,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:29:43,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-11 20:29:43,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:29:43,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-11 20:29:43,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:29:43,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-11 20:29:43,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:29:43,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-11 20:29:43,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:29:43,515 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-11 20:29:43,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 20:29:43,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [164803551] [2024-11-11 20:29:43,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [164803551] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 20:29:43,516 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 20:29:43,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-11 20:29:43,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986729162] [2024-11-11 20:29:43,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 20:29:43,517 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-11 20:29:43,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 20:29:43,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-11 20:29:43,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-11 20:29:43,519 INFO L87 Difference]: Start difference. First operand 537 states and 891 transitions. Second operand has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (13), 5 states have call predecessors, (13), 3 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-11 20:29:47,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 20:29:47,770 INFO L93 Difference]: Finished difference Result 1315 states and 2229 transitions. [2024-11-11 20:29:47,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-11 20:29:47,771 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (13), 5 states have call predecessors, (13), 3 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 107 [2024-11-11 20:29:47,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 20:29:47,777 INFO L225 Difference]: With dead ends: 1315 [2024-11-11 20:29:47,777 INFO L226 Difference]: Without dead ends: 796 [2024-11-11 20:29:47,779 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2024-11-11 20:29:47,780 INFO L435 NwaCegarLoop]: 478 mSDtfsCounter, 1366 mSDsluCounter, 1317 mSDsCounter, 0 mSdLazyCounter, 2739 mSolverCounterSat, 353 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1445 SdHoareTripleChecker+Valid, 1795 SdHoareTripleChecker+Invalid, 3092 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 353 IncrementalHoareTripleChecker+Valid, 2739 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2024-11-11 20:29:47,781 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1445 Valid, 1795 Invalid, 3092 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [353 Valid, 2739 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2024-11-11 20:29:47,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 796 states. [2024-11-11 20:29:47,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 796 to 537. [2024-11-11 20:29:47,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 537 states, 420 states have (on average 1.6833333333333333) internal successors, (707), 439 states have internal predecessors, (707), 94 states have call successors, (94), 23 states have call predecessors, (94), 22 states have return successors, (89), 87 states have call predecessors, (89), 89 states have call successors, (89) [2024-11-11 20:29:47,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 537 states and 890 transitions. [2024-11-11 20:29:47,933 INFO L78 Accepts]: Start accepts. Automaton has 537 states and 890 transitions. Word has length 107 [2024-11-11 20:29:47,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 20:29:47,934 INFO L471 AbstractCegarLoop]: Abstraction has 537 states and 890 transitions. [2024-11-11 20:29:47,934 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (13), 5 states have call predecessors, (13), 3 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-11 20:29:47,935 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 890 transitions. [2024-11-11 20:29:47,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-11 20:29:47,938 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 20:29:47,939 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-11 20:29:47,939 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-11 20:29:47,939 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 20:29:47,940 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 20:29:47,940 INFO L85 PathProgramCache]: Analyzing trace with hash -1583969447, now seen corresponding path program 1 times [2024-11-11 20:29:47,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 20:29:47,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539836626] [2024-11-11 20:29:47,940 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:29:47,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 20:29:47,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:29:48,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-11 20:29:48,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:29:48,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-11 20:29:48,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:29:48,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-11 20:29:48,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:29:48,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-11 20:29:48,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:29:48,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-11 20:29:48,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:29:48,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-11 20:29:48,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:29:48,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-11 20:29:48,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:29:48,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-11 20:29:48,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:29:48,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-11 20:29:48,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:29:48,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-11 20:29:48,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:29:48,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-11 20:29:48,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:29:48,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-11 20:29:48,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:29:48,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-11 20:29:48,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:29:48,643 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-11 20:29:48,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 20:29:48,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [539836626] [2024-11-11 20:29:48,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [539836626] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 20:29:48,645 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 20:29:48,645 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-11 20:29:48,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456597728] [2024-11-11 20:29:48,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 20:29:48,645 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-11 20:29:48,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 20:29:48,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-11 20:29:48,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-11 20:29:48,647 INFO L87 Difference]: Start difference. First operand 537 states and 890 transitions. Second operand has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (13), 5 states have call predecessors, (13), 3 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-11 20:29:52,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 20:29:52,920 INFO L93 Difference]: Finished difference Result 1315 states and 2228 transitions. [2024-11-11 20:29:52,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-11 20:29:52,921 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (13), 5 states have call predecessors, (13), 3 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 108 [2024-11-11 20:29:52,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 20:29:52,926 INFO L225 Difference]: With dead ends: 1315 [2024-11-11 20:29:52,926 INFO L226 Difference]: Without dead ends: 796 [2024-11-11 20:29:52,928 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2024-11-11 20:29:52,929 INFO L435 NwaCegarLoop]: 482 mSDtfsCounter, 936 mSDsluCounter, 1394 mSDsCounter, 0 mSdLazyCounter, 2933 mSolverCounterSat, 201 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1015 SdHoareTripleChecker+Valid, 1876 SdHoareTripleChecker+Invalid, 3134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 201 IncrementalHoareTripleChecker+Valid, 2933 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2024-11-11 20:29:52,930 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1015 Valid, 1876 Invalid, 3134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [201 Valid, 2933 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2024-11-11 20:29:52,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 796 states. [2024-11-11 20:29:53,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 796 to 537. [2024-11-11 20:29:53,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 537 states, 420 states have (on average 1.680952380952381) internal successors, (706), 439 states have internal predecessors, (706), 94 states have call successors, (94), 23 states have call predecessors, (94), 22 states have return successors, (89), 87 states have call predecessors, (89), 89 states have call successors, (89) [2024-11-11 20:29:53,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 537 states and 889 transitions. [2024-11-11 20:29:53,028 INFO L78 Accepts]: Start accepts. Automaton has 537 states and 889 transitions. Word has length 108 [2024-11-11 20:29:53,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 20:29:53,028 INFO L471 AbstractCegarLoop]: Abstraction has 537 states and 889 transitions. [2024-11-11 20:29:53,028 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (13), 5 states have call predecessors, (13), 3 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-11 20:29:53,028 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 889 transitions. [2024-11-11 20:29:53,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-11 20:29:53,031 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 20:29:53,031 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-11 20:29:53,031 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-11 20:29:53,032 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 20:29:53,032 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 20:29:53,032 INFO L85 PathProgramCache]: Analyzing trace with hash 2037922056, now seen corresponding path program 1 times [2024-11-11 20:29:53,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 20:29:53,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301766569] [2024-11-11 20:29:53,033 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:29:53,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 20:29:53,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:29:53,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-11 20:29:53,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:29:53,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-11 20:29:53,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:29:53,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-11 20:29:53,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:29:53,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-11 20:29:53,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:29:53,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-11 20:29:53,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:29:53,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-11 20:29:53,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:29:53,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-11 20:29:53,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:29:53,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-11 20:29:53,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:29:53,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-11 20:29:53,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:29:53,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-11 20:29:53,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:29:53,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-11 20:29:53,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:29:53,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-11 20:29:53,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:29:53,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-11 20:29:53,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:29:53,679 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-11 20:29:53,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 20:29:53,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301766569] [2024-11-11 20:29:53,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1301766569] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 20:29:53,679 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 20:29:53,679 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-11 20:29:53,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896763553] [2024-11-11 20:29:53,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 20:29:53,680 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-11 20:29:53,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 20:29:53,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-11 20:29:53,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-11 20:29:53,681 INFO L87 Difference]: Start difference. First operand 537 states and 889 transitions. Second operand has 10 states, 9 states have (on average 8.222222222222221) internal successors, (74), 6 states have internal predecessors, (74), 3 states have call successors, (13), 5 states have call predecessors, (13), 4 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-11 20:29:59,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 20:29:59,440 INFO L93 Difference]: Finished difference Result 1292 states and 2178 transitions. [2024-11-11 20:29:59,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-11 20:29:59,440 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 8.222222222222221) internal successors, (74), 6 states have internal predecessors, (74), 3 states have call successors, (13), 5 states have call predecessors, (13), 4 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 109 [2024-11-11 20:29:59,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 20:29:59,447 INFO L225 Difference]: With dead ends: 1292 [2024-11-11 20:29:59,447 INFO L226 Difference]: Without dead ends: 822 [2024-11-11 20:29:59,450 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=94, Invalid=326, Unknown=0, NotChecked=0, Total=420 [2024-11-11 20:29:59,450 INFO L435 NwaCegarLoop]: 478 mSDtfsCounter, 1467 mSDsluCounter, 2714 mSDsCounter, 0 mSdLazyCounter, 5092 mSolverCounterSat, 358 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1547 SdHoareTripleChecker+Valid, 3192 SdHoareTripleChecker+Invalid, 5450 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 358 IncrementalHoareTripleChecker+Valid, 5092 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2024-11-11 20:29:59,451 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1547 Valid, 3192 Invalid, 5450 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [358 Valid, 5092 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2024-11-11 20:29:59,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 822 states. [2024-11-11 20:29:59,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 822 to 550. [2024-11-11 20:29:59,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 550 states, 430 states have (on average 1.6767441860465115) internal successors, (721), 451 states have internal predecessors, (721), 95 states have call successors, (95), 23 states have call predecessors, (95), 24 states have return successors, (92), 88 states have call predecessors, (92), 90 states have call successors, (92) [2024-11-11 20:29:59,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 550 states and 908 transitions. [2024-11-11 20:29:59,597 INFO L78 Accepts]: Start accepts. Automaton has 550 states and 908 transitions. Word has length 109 [2024-11-11 20:29:59,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 20:29:59,598 INFO L471 AbstractCegarLoop]: Abstraction has 550 states and 908 transitions. [2024-11-11 20:29:59,598 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 8.222222222222221) internal successors, (74), 6 states have internal predecessors, (74), 3 states have call successors, (13), 5 states have call predecessors, (13), 4 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-11 20:29:59,598 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 908 transitions. [2024-11-11 20:29:59,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-11 20:29:59,600 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 20:29:59,600 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-11 20:29:59,600 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-11 20:29:59,601 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 20:29:59,601 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 20:29:59,601 INFO L85 PathProgramCache]: Analyzing trace with hash 2023671911, now seen corresponding path program 1 times [2024-11-11 20:29:59,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 20:29:59,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693785172] [2024-11-11 20:29:59,602 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:29:59,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 20:29:59,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:29:59,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-11 20:29:59,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:29:59,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-11 20:29:59,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:29:59,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-11 20:29:59,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:30:00,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-11 20:30:00,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:30:00,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-11 20:30:00,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:30:00,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-11 20:30:00,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:30:00,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-11 20:30:00,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:30:00,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-11 20:30:00,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:30:00,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-11 20:30:00,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:30:00,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-11 20:30:00,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:30:00,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-11 20:30:00,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:30:00,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-11 20:30:00,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:30:00,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-11 20:30:00,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:30:00,130 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-11 20:30:00,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 20:30:00,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693785172] [2024-11-11 20:30:00,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [693785172] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 20:30:00,131 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 20:30:00,131 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-11 20:30:00,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445760557] [2024-11-11 20:30:00,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 20:30:00,132 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-11 20:30:00,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 20:30:00,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-11 20:30:00,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-11 20:30:00,133 INFO L87 Difference]: Start difference. First operand 550 states and 908 transitions. Second operand has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (13), 5 states have call predecessors, (13), 3 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-11 20:30:04,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 20:30:04,362 INFO L93 Difference]: Finished difference Result 1318 states and 2220 transitions. [2024-11-11 20:30:04,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-11 20:30:04,362 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (13), 5 states have call predecessors, (13), 3 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 109 [2024-11-11 20:30:04,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 20:30:04,368 INFO L225 Difference]: With dead ends: 1318 [2024-11-11 20:30:04,368 INFO L226 Difference]: Without dead ends: 830 [2024-11-11 20:30:04,370 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2024-11-11 20:30:04,371 INFO L435 NwaCegarLoop]: 484 mSDtfsCounter, 1010 mSDsluCounter, 1398 mSDsCounter, 0 mSdLazyCounter, 2912 mSolverCounterSat, 205 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1089 SdHoareTripleChecker+Valid, 1882 SdHoareTripleChecker+Invalid, 3117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 205 IncrementalHoareTripleChecker+Valid, 2912 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2024-11-11 20:30:04,371 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1089 Valid, 1882 Invalid, 3117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [205 Valid, 2912 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2024-11-11 20:30:04,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 830 states. [2024-11-11 20:30:04,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 830 to 550. [2024-11-11 20:30:04,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 550 states, 430 states have (on average 1.6651162790697673) internal successors, (716), 451 states have internal predecessors, (716), 95 states have call successors, (95), 23 states have call predecessors, (95), 24 states have return successors, (92), 88 states have call predecessors, (92), 90 states have call successors, (92) [2024-11-11 20:30:04,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 550 states and 903 transitions. [2024-11-11 20:30:04,489 INFO L78 Accepts]: Start accepts. Automaton has 550 states and 903 transitions. Word has length 109 [2024-11-11 20:30:04,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 20:30:04,490 INFO L471 AbstractCegarLoop]: Abstraction has 550 states and 903 transitions. [2024-11-11 20:30:04,490 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (13), 5 states have call predecessors, (13), 3 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-11 20:30:04,490 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 903 transitions. [2024-11-11 20:30:04,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-11 20:30:04,493 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 20:30:04,493 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-11 20:30:04,493 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-11 20:30:04,493 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 20:30:04,494 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 20:30:04,494 INFO L85 PathProgramCache]: Analyzing trace with hash 919364614, now seen corresponding path program 1 times [2024-11-11 20:30:04,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 20:30:04,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233739557] [2024-11-11 20:30:04,494 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:30:04,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 20:30:04,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:30:04,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-11 20:30:04,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:30:04,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-11 20:30:04,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:30:04,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-11 20:30:04,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:30:04,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-11 20:30:04,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:30:04,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-11 20:30:04,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:30:05,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-11 20:30:05,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:30:05,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-11 20:30:05,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:30:05,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-11 20:30:05,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:30:05,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-11 20:30:05,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:30:05,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-11 20:30:05,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:30:05,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-11 20:30:05,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:30:05,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-11 20:30:05,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:30:05,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-11 20:30:05,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:30:05,036 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-11 20:30:05,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 20:30:05,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233739557] [2024-11-11 20:30:05,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1233739557] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 20:30:05,037 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 20:30:05,037 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-11 20:30:05,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393605093] [2024-11-11 20:30:05,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 20:30:05,038 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-11 20:30:05,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 20:30:05,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-11 20:30:05,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-11 20:30:05,039 INFO L87 Difference]: Start difference. First operand 550 states and 903 transitions. Second operand has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (13), 5 states have call predecessors, (13), 3 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-11 20:30:08,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 20:30:08,833 INFO L93 Difference]: Finished difference Result 1318 states and 2215 transitions. [2024-11-11 20:30:08,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-11 20:30:08,833 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (13), 5 states have call predecessors, (13), 3 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 110 [2024-11-11 20:30:08,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 20:30:08,838 INFO L225 Difference]: With dead ends: 1318 [2024-11-11 20:30:08,838 INFO L226 Difference]: Without dead ends: 830 [2024-11-11 20:30:08,841 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2024-11-11 20:30:08,841 INFO L435 NwaCegarLoop]: 480 mSDtfsCounter, 1849 mSDsluCounter, 1267 mSDsCounter, 0 mSdLazyCounter, 2645 mSolverCounterSat, 498 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1928 SdHoareTripleChecker+Valid, 1747 SdHoareTripleChecker+Invalid, 3143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 498 IncrementalHoareTripleChecker+Valid, 2645 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2024-11-11 20:30:08,842 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1928 Valid, 1747 Invalid, 3143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [498 Valid, 2645 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2024-11-11 20:30:08,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 830 states. [2024-11-11 20:30:08,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 830 to 550. [2024-11-11 20:30:08,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 550 states, 430 states have (on average 1.6534883720930234) internal successors, (711), 451 states have internal predecessors, (711), 95 states have call successors, (95), 23 states have call predecessors, (95), 24 states have return successors, (92), 88 states have call predecessors, (92), 90 states have call successors, (92) [2024-11-11 20:30:08,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 550 states and 898 transitions. [2024-11-11 20:30:08,984 INFO L78 Accepts]: Start accepts. Automaton has 550 states and 898 transitions. Word has length 110 [2024-11-11 20:30:08,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 20:30:08,985 INFO L471 AbstractCegarLoop]: Abstraction has 550 states and 898 transitions. [2024-11-11 20:30:08,985 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (13), 5 states have call predecessors, (13), 3 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-11 20:30:08,985 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 898 transitions. [2024-11-11 20:30:08,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-11 20:30:08,987 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 20:30:08,988 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-11 20:30:08,988 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-11 20:30:08,988 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 20:30:08,989 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 20:30:08,989 INFO L85 PathProgramCache]: Analyzing trace with hash -705667124, now seen corresponding path program 1 times [2024-11-11 20:30:08,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 20:30:08,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15439450] [2024-11-11 20:30:08,989 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:30:08,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 20:30:09,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:30:09,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-11 20:30:09,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:30:09,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-11 20:30:09,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:30:09,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-11 20:30:09,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:30:09,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-11 20:30:09,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:30:09,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-11 20:30:09,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:30:09,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-11 20:30:09,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:30:09,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-11 20:30:09,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:30:09,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-11 20:30:09,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:30:09,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-11 20:30:09,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:30:09,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-11 20:30:09,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:30:09,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-11 20:30:09,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:30:09,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-11 20:30:09,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:30:09,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-11 20:30:09,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:30:09,569 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-11 20:30:09,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 20:30:09,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15439450] [2024-11-11 20:30:09,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [15439450] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 20:30:09,571 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 20:30:09,571 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-11 20:30:09,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155659896] [2024-11-11 20:30:09,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 20:30:09,572 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-11 20:30:09,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 20:30:09,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-11 20:30:09,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-11 20:30:09,573 INFO L87 Difference]: Start difference. First operand 550 states and 898 transitions. Second operand has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (13), 5 states have call predecessors, (13), 3 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-11 20:30:13,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 20:30:13,348 INFO L93 Difference]: Finished difference Result 1318 states and 2210 transitions. [2024-11-11 20:30:13,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-11 20:30:13,349 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (13), 5 states have call predecessors, (13), 3 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 111 [2024-11-11 20:30:13,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 20:30:13,368 INFO L225 Difference]: With dead ends: 1318 [2024-11-11 20:30:13,369 INFO L226 Difference]: Without dead ends: 830 [2024-11-11 20:30:13,370 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2024-11-11 20:30:13,371 INFO L435 NwaCegarLoop]: 472 mSDtfsCounter, 1853 mSDsluCounter, 1255 mSDsCounter, 0 mSdLazyCounter, 2605 mSolverCounterSat, 517 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1932 SdHoareTripleChecker+Valid, 1727 SdHoareTripleChecker+Invalid, 3122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 517 IncrementalHoareTripleChecker+Valid, 2605 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2024-11-11 20:30:13,373 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1932 Valid, 1727 Invalid, 3122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [517 Valid, 2605 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2024-11-11 20:30:13,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 830 states. [2024-11-11 20:30:13,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 830 to 550. [2024-11-11 20:30:13,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 550 states, 430 states have (on average 1.6418604651162791) internal successors, (706), 451 states have internal predecessors, (706), 95 states have call successors, (95), 23 states have call predecessors, (95), 24 states have return successors, (92), 88 states have call predecessors, (92), 90 states have call successors, (92) [2024-11-11 20:30:13,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 550 states and 893 transitions. [2024-11-11 20:30:13,487 INFO L78 Accepts]: Start accepts. Automaton has 550 states and 893 transitions. Word has length 111 [2024-11-11 20:30:13,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 20:30:13,487 INFO L471 AbstractCegarLoop]: Abstraction has 550 states and 893 transitions. [2024-11-11 20:30:13,488 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (13), 5 states have call predecessors, (13), 3 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-11 20:30:13,488 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 893 transitions. [2024-11-11 20:30:13,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-11 20:30:13,490 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 20:30:13,490 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-11 20:30:13,490 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-11 20:30:13,491 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 20:30:13,491 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 20:30:13,491 INFO L85 PathProgramCache]: Analyzing trace with hash -1329589909, now seen corresponding path program 1 times [2024-11-11 20:30:13,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 20:30:13,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439255339] [2024-11-11 20:30:13,492 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:30:13,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 20:30:13,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:30:13,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-11 20:30:13,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:30:13,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-11 20:30:13,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:30:13,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-11 20:30:13,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:30:14,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-11 20:30:14,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:30:14,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-11 20:30:14,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:30:14,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-11 20:30:14,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:30:14,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-11 20:30:14,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:30:14,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-11 20:30:14,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:30:14,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-11 20:30:14,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:30:14,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-11 20:30:14,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:30:14,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-11 20:30:14,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:30:14,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-11 20:30:14,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:30:14,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-11 20:30:14,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:30:14,082 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-11 20:30:14,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 20:30:14,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439255339] [2024-11-11 20:30:14,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1439255339] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 20:30:14,083 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 20:30:14,083 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-11 20:30:14,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548561937] [2024-11-11 20:30:14,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 20:30:14,084 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-11 20:30:14,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 20:30:14,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-11 20:30:14,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-11 20:30:14,085 INFO L87 Difference]: Start difference. First operand 550 states and 893 transitions. Second operand has 7 states, 7 states have (on average 11.0) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (13), 5 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-11 20:30:18,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 20:30:18,196 INFO L93 Difference]: Finished difference Result 1291 states and 2161 transitions. [2024-11-11 20:30:18,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-11 20:30:18,196 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (13), 5 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 112 [2024-11-11 20:30:18,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 20:30:18,201 INFO L225 Difference]: With dead ends: 1291 [2024-11-11 20:30:18,201 INFO L226 Difference]: Without dead ends: 818 [2024-11-11 20:30:18,202 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2024-11-11 20:30:18,203 INFO L435 NwaCegarLoop]: 473 mSDtfsCounter, 1380 mSDsluCounter, 1323 mSDsCounter, 0 mSdLazyCounter, 2726 mSolverCounterSat, 355 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1459 SdHoareTripleChecker+Valid, 1796 SdHoareTripleChecker+Invalid, 3081 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 355 IncrementalHoareTripleChecker+Valid, 2726 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2024-11-11 20:30:18,203 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1459 Valid, 1796 Invalid, 3081 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [355 Valid, 2726 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2024-11-11 20:30:18,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 818 states. [2024-11-11 20:30:18,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 818 to 550. [2024-11-11 20:30:18,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 550 states, 430 states have (on average 1.6395348837209303) internal successors, (705), 451 states have internal predecessors, (705), 95 states have call successors, (95), 23 states have call predecessors, (95), 24 states have return successors, (92), 88 states have call predecessors, (92), 90 states have call successors, (92) [2024-11-11 20:30:18,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 550 states and 892 transitions. [2024-11-11 20:30:18,347 INFO L78 Accepts]: Start accepts. Automaton has 550 states and 892 transitions. Word has length 112 [2024-11-11 20:30:18,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 20:30:18,347 INFO L471 AbstractCegarLoop]: Abstraction has 550 states and 892 transitions. [2024-11-11 20:30:18,347 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (13), 5 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-11 20:30:18,347 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 892 transitions. [2024-11-11 20:30:18,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-11 20:30:18,351 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 20:30:18,351 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-11 20:30:18,351 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-11 20:30:18,351 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 20:30:18,353 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 20:30:18,353 INFO L85 PathProgramCache]: Analyzing trace with hash -1293287349, now seen corresponding path program 1 times [2024-11-11 20:30:18,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 20:30:18,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070392732] [2024-11-11 20:30:18,353 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:30:18,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 20:30:18,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:30:18,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-11 20:30:18,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:30:18,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-11 20:30:18,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:30:18,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-11 20:30:18,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:30:18,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-11 20:30:18,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:30:18,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-11 20:30:18,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:30:18,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-11 20:30:18,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:30:18,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-11 20:30:18,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:30:18,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-11 20:30:18,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:30:18,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-11 20:30:18,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:30:18,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-11 20:30:18,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:30:18,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-11 20:30:18,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:30:18,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-11 20:30:18,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:30:18,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-11 20:30:18,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:30:18,894 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-11 20:30:18,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 20:30:18,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1070392732] [2024-11-11 20:30:18,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1070392732] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 20:30:18,895 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 20:30:18,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-11 20:30:18,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738861469] [2024-11-11 20:30:18,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 20:30:18,895 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-11 20:30:18,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 20:30:18,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-11 20:30:18,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-11 20:30:18,896 INFO L87 Difference]: Start difference. First operand 550 states and 892 transitions. Second operand has 7 states, 7 states have (on average 11.0) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (13), 5 states have call predecessors, (13), 3 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-11 20:30:22,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 20:30:22,762 INFO L93 Difference]: Finished difference Result 1318 states and 2201 transitions. [2024-11-11 20:30:22,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-11 20:30:22,763 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (13), 5 states have call predecessors, (13), 3 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 112 [2024-11-11 20:30:22,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 20:30:22,766 INFO L225 Difference]: With dead ends: 1318 [2024-11-11 20:30:22,766 INFO L226 Difference]: Without dead ends: 830 [2024-11-11 20:30:22,768 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2024-11-11 20:30:22,768 INFO L435 NwaCegarLoop]: 478 mSDtfsCounter, 1415 mSDsluCounter, 1329 mSDsCounter, 0 mSdLazyCounter, 2748 mSolverCounterSat, 354 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1494 SdHoareTripleChecker+Valid, 1807 SdHoareTripleChecker+Invalid, 3102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 354 IncrementalHoareTripleChecker+Valid, 2748 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2024-11-11 20:30:22,768 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1494 Valid, 1807 Invalid, 3102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [354 Valid, 2748 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2024-11-11 20:30:22,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 830 states. [2024-11-11 20:30:22,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 830 to 550. [2024-11-11 20:30:22,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 550 states, 430 states have (on average 1.627906976744186) internal successors, (700), 451 states have internal predecessors, (700), 95 states have call successors, (95), 23 states have call predecessors, (95), 24 states have return successors, (92), 88 states have call predecessors, (92), 90 states have call successors, (92) [2024-11-11 20:30:22,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 550 states and 887 transitions. [2024-11-11 20:30:22,869 INFO L78 Accepts]: Start accepts. Automaton has 550 states and 887 transitions. Word has length 112 [2024-11-11 20:30:22,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 20:30:22,869 INFO L471 AbstractCegarLoop]: Abstraction has 550 states and 887 transitions. [2024-11-11 20:30:22,869 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (13), 5 states have call predecessors, (13), 3 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-11 20:30:22,870 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 887 transitions. [2024-11-11 20:30:22,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-11 20:30:22,872 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 20:30:22,872 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-11 20:30:22,872 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-11 20:30:22,872 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 20:30:22,873 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 20:30:22,873 INFO L85 PathProgramCache]: Analyzing trace with hash -1641457, now seen corresponding path program 1 times [2024-11-11 20:30:22,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 20:30:22,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674954965] [2024-11-11 20:30:22,873 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:30:22,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 20:30:22,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:30:23,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-11 20:30:23,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:30:23,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-11 20:30:23,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:30:23,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-11 20:30:23,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:30:23,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-11 20:30:23,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:30:23,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-11 20:30:23,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:30:23,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-11 20:30:23,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:30:23,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-11 20:30:23,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:30:23,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-11 20:30:23,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:30:23,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-11 20:30:23,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:30:23,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-11 20:30:23,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:30:23,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-11 20:30:23,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:30:23,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-11 20:30:23,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:30:23,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-11 20:30:23,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:30:23,477 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-11 20:30:23,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 20:30:23,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1674954965] [2024-11-11 20:30:23,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1674954965] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 20:30:23,478 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 20:30:23,478 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-11 20:30:23,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218015058] [2024-11-11 20:30:23,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 20:30:23,479 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-11 20:30:23,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 20:30:23,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-11 20:30:23,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-11 20:30:23,480 INFO L87 Difference]: Start difference. First operand 550 states and 887 transitions. Second operand has 10 states, 9 states have (on average 8.666666666666666) internal successors, (78), 6 states have internal predecessors, (78), 3 states have call successors, (13), 5 states have call predecessors, (13), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-11 20:30:28,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 20:30:28,741 INFO L93 Difference]: Finished difference Result 1304 states and 2169 transitions. [2024-11-11 20:30:28,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-11 20:30:28,742 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 8.666666666666666) internal successors, (78), 6 states have internal predecessors, (78), 3 states have call successors, (13), 5 states have call predecessors, (13), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 113 [2024-11-11 20:30:28,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 20:30:28,747 INFO L225 Difference]: With dead ends: 1304 [2024-11-11 20:30:28,747 INFO L226 Difference]: Without dead ends: 828 [2024-11-11 20:30:28,749 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=74, Invalid=268, Unknown=0, NotChecked=0, Total=342 [2024-11-11 20:30:28,749 INFO L435 NwaCegarLoop]: 482 mSDtfsCounter, 1397 mSDsluCounter, 2739 mSDsCounter, 0 mSdLazyCounter, 4851 mSolverCounterSat, 356 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1477 SdHoareTripleChecker+Valid, 3221 SdHoareTripleChecker+Invalid, 5207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 356 IncrementalHoareTripleChecker+Valid, 4851 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2024-11-11 20:30:28,750 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1477 Valid, 3221 Invalid, 5207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [356 Valid, 4851 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2024-11-11 20:30:28,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 828 states. [2024-11-11 20:30:28,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 828 to 553. [2024-11-11 20:30:28,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 553 states, 433 states have (on average 1.6212471131639723) internal successors, (702), 454 states have internal predecessors, (702), 95 states have call successors, (95), 23 states have call predecessors, (95), 24 states have return successors, (92), 88 states have call predecessors, (92), 90 states have call successors, (92) [2024-11-11 20:30:28,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 553 states and 889 transitions. [2024-11-11 20:30:28,880 INFO L78 Accepts]: Start accepts. Automaton has 553 states and 889 transitions. Word has length 113 [2024-11-11 20:30:28,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 20:30:28,880 INFO L471 AbstractCegarLoop]: Abstraction has 553 states and 889 transitions. [2024-11-11 20:30:28,880 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 8.666666666666666) internal successors, (78), 6 states have internal predecessors, (78), 3 states have call successors, (13), 5 states have call predecessors, (13), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-11 20:30:28,880 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 889 transitions. [2024-11-11 20:30:28,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-11 20:30:28,882 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 20:30:28,883 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-11 20:30:28,883 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-11 20:30:28,883 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 20:30:28,883 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 20:30:28,883 INFO L85 PathProgramCache]: Analyzing trace with hash 214078257, now seen corresponding path program 1 times [2024-11-11 20:30:28,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 20:30:28,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844789590] [2024-11-11 20:30:28,884 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:30:28,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 20:30:28,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:30:29,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-11 20:30:29,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:30:29,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-11 20:30:29,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:30:29,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-11 20:30:29,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:30:29,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-11 20:30:29,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:30:29,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-11 20:30:29,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:30:29,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-11 20:30:29,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:30:29,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-11 20:30:29,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:30:29,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-11 20:30:29,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:30:29,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-11 20:30:29,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:30:29,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-11 20:30:29,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:30:29,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-11 20:30:29,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:30:29,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-11 20:30:29,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:30:29,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-11 20:30:29,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:30:29,348 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-11 20:30:29,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 20:30:29,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1844789590] [2024-11-11 20:30:29,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1844789590] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 20:30:29,349 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 20:30:29,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-11 20:30:29,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636307149] [2024-11-11 20:30:29,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 20:30:29,350 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-11 20:30:29,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 20:30:29,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-11 20:30:29,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-11 20:30:29,351 INFO L87 Difference]: Start difference. First operand 553 states and 889 transitions. Second operand has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (13), 5 states have call predecessors, (13), 3 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-11 20:30:33,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 20:30:33,392 INFO L93 Difference]: Finished difference Result 1327 states and 2201 transitions. [2024-11-11 20:30:33,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-11 20:30:33,392 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (13), 5 states have call predecessors, (13), 3 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 113 [2024-11-11 20:30:33,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 20:30:33,396 INFO L225 Difference]: With dead ends: 1327 [2024-11-11 20:30:33,396 INFO L226 Difference]: Without dead ends: 836 [2024-11-11 20:30:33,398 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2024-11-11 20:30:33,398 INFO L435 NwaCegarLoop]: 474 mSDtfsCounter, 987 mSDsluCounter, 1386 mSDsCounter, 0 mSdLazyCounter, 2794 mSolverCounterSat, 208 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1066 SdHoareTripleChecker+Valid, 1860 SdHoareTripleChecker+Invalid, 3002 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 208 IncrementalHoareTripleChecker+Valid, 2794 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2024-11-11 20:30:33,398 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1066 Valid, 1860 Invalid, 3002 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [208 Valid, 2794 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2024-11-11 20:30:33,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 836 states. [2024-11-11 20:30:33,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 836 to 553. [2024-11-11 20:30:33,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 553 states, 433 states have (on average 1.6096997690531178) internal successors, (697), 454 states have internal predecessors, (697), 95 states have call successors, (95), 23 states have call predecessors, (95), 24 states have return successors, (92), 88 states have call predecessors, (92), 90 states have call successors, (92) [2024-11-11 20:30:33,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 553 states and 884 transitions. [2024-11-11 20:30:33,551 INFO L78 Accepts]: Start accepts. Automaton has 553 states and 884 transitions. Word has length 113 [2024-11-11 20:30:33,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 20:30:33,551 INFO L471 AbstractCegarLoop]: Abstraction has 553 states and 884 transitions. [2024-11-11 20:30:33,551 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (13), 5 states have call predecessors, (13), 3 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-11 20:30:33,551 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 884 transitions. [2024-11-11 20:30:33,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-11 20:30:33,553 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 20:30:33,553 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-11 20:30:33,553 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-11 20:30:33,554 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 20:30:33,554 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 20:30:33,554 INFO L85 PathProgramCache]: Analyzing trace with hash -620255568, now seen corresponding path program 1 times [2024-11-11 20:30:33,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 20:30:33,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745566001] [2024-11-11 20:30:33,554 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:30:33,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 20:30:33,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:30:33,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-11 20:30:33,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:30:33,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-11 20:30:33,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:30:33,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-11 20:30:33,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:30:34,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-11 20:30:34,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:30:34,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-11 20:30:34,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:30:34,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-11 20:30:34,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:30:34,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-11 20:30:34,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:30:34,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-11 20:30:34,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:30:34,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-11 20:30:34,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:30:34,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-11 20:30:34,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:30:34,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-11 20:30:34,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:30:34,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-11 20:30:34,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:30:34,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-11 20:30:34,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:30:34,063 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-11 20:30:34,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 20:30:34,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1745566001] [2024-11-11 20:30:34,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1745566001] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 20:30:34,064 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 20:30:34,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-11 20:30:34,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616978209] [2024-11-11 20:30:34,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 20:30:34,064 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-11 20:30:34,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 20:30:34,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-11 20:30:34,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-11 20:30:34,066 INFO L87 Difference]: Start difference. First operand 553 states and 884 transitions. Second operand has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (13), 5 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-11 20:30:38,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 20:30:38,239 INFO L93 Difference]: Finished difference Result 1308 states and 2166 transitions. [2024-11-11 20:30:38,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-11 20:30:38,239 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (13), 5 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 114 [2024-11-11 20:30:38,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 20:30:38,243 INFO L225 Difference]: With dead ends: 1308 [2024-11-11 20:30:38,243 INFO L226 Difference]: Without dead ends: 832 [2024-11-11 20:30:38,245 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2024-11-11 20:30:38,245 INFO L435 NwaCegarLoop]: 486 mSDtfsCounter, 952 mSDsluCounter, 1402 mSDsCounter, 0 mSdLazyCounter, 2765 mSolverCounterSat, 201 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1031 SdHoareTripleChecker+Valid, 1888 SdHoareTripleChecker+Invalid, 2966 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 201 IncrementalHoareTripleChecker+Valid, 2765 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2024-11-11 20:30:38,245 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1031 Valid, 1888 Invalid, 2966 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [201 Valid, 2765 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2024-11-11 20:30:38,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 832 states. [2024-11-11 20:30:38,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 832 to 557. [2024-11-11 20:30:38,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 557 states, 437 states have (on average 1.6018306636155606) internal successors, (700), 458 states have internal predecessors, (700), 95 states have call successors, (95), 23 states have call predecessors, (95), 24 states have return successors, (92), 88 states have call predecessors, (92), 90 states have call successors, (92) [2024-11-11 20:30:38,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 557 states and 887 transitions. [2024-11-11 20:30:38,394 INFO L78 Accepts]: Start accepts. Automaton has 557 states and 887 transitions. Word has length 114 [2024-11-11 20:30:38,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 20:30:38,394 INFO L471 AbstractCegarLoop]: Abstraction has 557 states and 887 transitions. [2024-11-11 20:30:38,394 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (13), 5 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-11 20:30:38,394 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 887 transitions. [2024-11-11 20:30:38,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-11 20:30:38,396 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 20:30:38,396 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-11 20:30:38,396 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-11 20:30:38,396 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 20:30:38,397 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 20:30:38,397 INFO L85 PathProgramCache]: Analyzing trace with hash -2053472112, now seen corresponding path program 1 times [2024-11-11 20:30:38,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 20:30:38,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784847463] [2024-11-11 20:30:38,397 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:30:38,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 20:30:38,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:30:38,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-11 20:30:38,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:30:38,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-11 20:30:38,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:30:38,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-11 20:30:38,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:30:38,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-11 20:30:38,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:30:38,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-11 20:30:38,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:30:38,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-11 20:30:38,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:30:38,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-11 20:30:38,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:30:38,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-11 20:30:38,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:30:38,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-11 20:30:38,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:30:38,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-11 20:30:38,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:30:38,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-11 20:30:38,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:30:38,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-11 20:30:38,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:30:38,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-11 20:30:38,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:30:38,878 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-11 20:30:38,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 20:30:38,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784847463] [2024-11-11 20:30:38,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1784847463] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 20:30:38,878 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 20:30:38,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-11 20:30:38,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413785398] [2024-11-11 20:30:38,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 20:30:38,879 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-11 20:30:38,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 20:30:38,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-11 20:30:38,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-11 20:30:38,880 INFO L87 Difference]: Start difference. First operand 557 states and 887 transitions. Second operand has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (13), 5 states have call predecessors, (13), 3 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-11 20:30:43,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 20:30:43,121 INFO L93 Difference]: Finished difference Result 1363 states and 2229 transitions. [2024-11-11 20:30:43,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-11 20:30:43,122 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (13), 5 states have call predecessors, (13), 3 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 114 [2024-11-11 20:30:43,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 20:30:43,126 INFO L225 Difference]: With dead ends: 1363 [2024-11-11 20:30:43,126 INFO L226 Difference]: Without dead ends: 804 [2024-11-11 20:30:43,128 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2024-11-11 20:30:43,128 INFO L435 NwaCegarLoop]: 479 mSDtfsCounter, 910 mSDsluCounter, 1392 mSDsCounter, 0 mSdLazyCounter, 2779 mSolverCounterSat, 202 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 989 SdHoareTripleChecker+Valid, 1871 SdHoareTripleChecker+Invalid, 2981 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 202 IncrementalHoareTripleChecker+Valid, 2779 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2024-11-11 20:30:43,128 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [989 Valid, 1871 Invalid, 2981 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [202 Valid, 2779 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2024-11-11 20:30:43,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 804 states. [2024-11-11 20:30:43,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 804 to 538. [2024-11-11 20:30:43,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 538 states, 421 states have (on average 1.6104513064133017) internal successors, (678), 440 states have internal predecessors, (678), 94 states have call successors, (94), 23 states have call predecessors, (94), 22 states have return successors, (89), 87 states have call predecessors, (89), 89 states have call successors, (89) [2024-11-11 20:30:43,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 861 transitions. [2024-11-11 20:30:43,250 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 861 transitions. Word has length 114 [2024-11-11 20:30:43,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 20:30:43,250 INFO L471 AbstractCegarLoop]: Abstraction has 538 states and 861 transitions. [2024-11-11 20:30:43,250 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (13), 5 states have call predecessors, (13), 3 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-11 20:30:43,250 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 861 transitions. [2024-11-11 20:30:43,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-11 20:30:43,251 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 20:30:43,252 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-11 20:30:43,252 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-11 20:30:43,252 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 20:30:43,252 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 20:30:43,252 INFO L85 PathProgramCache]: Analyzing trace with hash -1452766988, now seen corresponding path program 1 times [2024-11-11 20:30:43,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 20:30:43,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378204025] [2024-11-11 20:30:43,253 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:30:43,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 20:30:43,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat