./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/elevator_spec9_product29.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3289d67d 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_spec9_product29.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 bf5a3f22f9d7a0aaa2c9864b464fdc1b701547a697c01ddf6ee0cf69e3554ef9 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 07:34:08,049 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 07:34:08,104 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-16 07:34:08,110 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 07:34:08,110 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 07:34:08,144 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 07:34:08,145 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 07:34:08,145 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 07:34:08,146 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 07:34:08,146 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 07:34:08,146 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 07:34:08,146 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 07:34:08,147 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 07:34:08,151 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 07:34:08,151 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 07:34:08,151 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 07:34:08,151 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 07:34:08,152 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 07:34:08,152 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 07:34:08,152 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 07:34:08,152 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 07:34:08,152 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 07:34:08,153 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 07:34:08,153 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 07:34:08,153 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 07:34:08,153 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 07:34:08,154 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 07:34:08,154 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 07:34:08,154 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 07:34:08,154 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 07:34:08,154 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 07:34:08,155 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 07:34:08,155 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 07:34:08,155 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 07:34:08,155 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 07:34:08,156 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 07:34:08,156 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 07:34:08,156 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 07:34:08,156 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 07:34:08,156 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 07:34:08,157 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 07:34:08,157 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 07:34:08,157 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bf5a3f22f9d7a0aaa2c9864b464fdc1b701547a697c01ddf6ee0cf69e3554ef9 [2024-11-16 07:34:08,357 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 07:34:08,377 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 07:34:08,379 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 07:34:08,379 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 07:34:08,380 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 07:34:08,381 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/elevator_spec9_product29.cil.c [2024-11-16 07:34:09,547 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 07:34:09,794 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 07:34:09,794 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/elevator_spec9_product29.cil.c [2024-11-16 07:34:09,811 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/88577f97f/a157bf755b6549da819f4332474994dc/FLAG48e6dfe2f [2024-11-16 07:34:10,098 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/88577f97f/a157bf755b6549da819f4332474994dc [2024-11-16 07:34:10,100 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 07:34:10,101 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 07:34:10,102 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 07:34:10,102 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 07:34:10,105 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 07:34:10,106 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:34:10" (1/1) ... [2024-11-16 07:34:10,106 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@281218cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:34:10, skipping insertion in model container [2024-11-16 07:34:10,106 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:34:10" (1/1) ... [2024-11-16 07:34:10,152 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 07:34:10,305 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_spec9_product29.cil.c[1700,1713] [2024-11-16 07:34:10,551 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 07:34:10,562 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 07:34:10,569 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [48] [2024-11-16 07:34:10,571 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [62] [2024-11-16 07:34:10,571 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification9_spec.i","") [71] [2024-11-16 07:34:10,571 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Floor.i","") [235] [2024-11-16 07:34:10,571 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [903] [2024-11-16 07:34:10,571 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"UnitTests.i","") [1263] [2024-11-16 07:34:10,571 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [1355] [2024-11-16 07:34:10,571 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [1390] [2024-11-16 07:34:10,571 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Elevator.i","") [1756] [2024-11-16 07:34:10,572 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Person.i","") [3289] [2024-11-16 07:34:10,579 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_spec9_product29.cil.c[1700,1713] [2024-11-16 07:34:10,646 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 07:34:10,700 INFO L204 MainTranslator]: Completed translation [2024-11-16 07:34:10,701 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:34:10 WrapperNode [2024-11-16 07:34:10,701 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 07:34:10,702 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 07:34:10,702 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 07:34:10,702 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 07:34:10,707 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:34:10" (1/1) ... [2024-11-16 07:34:10,726 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:34:10" (1/1) ... [2024-11-16 07:34:10,761 INFO L138 Inliner]: procedures = 93, calls = 338, calls flagged for inlining = 27, calls inlined = 24, statements flattened = 862 [2024-11-16 07:34:10,761 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 07:34:10,762 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 07:34:10,762 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 07:34:10,762 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 07:34:10,778 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:34:10" (1/1) ... [2024-11-16 07:34:10,778 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:34:10" (1/1) ... [2024-11-16 07:34:10,782 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:34:10" (1/1) ... [2024-11-16 07:34:10,815 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]. [2024-11-16 07:34:10,815 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:34:10" (1/1) ... [2024-11-16 07:34:10,816 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:34:10" (1/1) ... [2024-11-16 07:34:10,829 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:34:10" (1/1) ... [2024-11-16 07:34:10,831 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:34:10" (1/1) ... [2024-11-16 07:34:10,835 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:34:10" (1/1) ... [2024-11-16 07:34:10,839 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:34:10" (1/1) ... [2024-11-16 07:34:10,851 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 07:34:10,852 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 07:34:10,852 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 07:34:10,852 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 07:34:10,858 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:34:10" (1/1) ... [2024-11-16 07:34:10,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 07:34:10,875 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 07:34:10,894 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) [2024-11-16 07:34:10,897 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 [2024-11-16 07:34:10,933 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 07:34:10,933 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2024-11-16 07:34:10,934 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2024-11-16 07:34:10,934 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2024-11-16 07:34:10,934 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2024-11-16 07:34:10,934 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2024-11-16 07:34:10,934 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2024-11-16 07:34:10,934 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2024-11-16 07:34:10,935 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2024-11-16 07:34:10,935 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2024-11-16 07:34:10,935 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2024-11-16 07:34:10,935 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__empty [2024-11-16 07:34:10,935 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__empty [2024-11-16 07:34:10,935 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-11-16 07:34:10,936 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-11-16 07:34:10,936 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-11-16 07:34:10,937 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-11-16 07:34:10,937 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2024-11-16 07:34:10,937 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2024-11-16 07:34:10,937 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2024-11-16 07:34:10,937 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2024-11-16 07:34:10,938 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2024-11-16 07:34:10,938 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2024-11-16 07:34:10,938 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2024-11-16 07:34:10,938 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2024-11-16 07:34:10,938 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2024-11-16 07:34:10,938 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2024-11-16 07:34:10,938 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2024-11-16 07:34:10,938 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2024-11-16 07:34:10,938 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2024-11-16 07:34:10,939 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2024-11-16 07:34:10,939 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2024-11-16 07:34:10,939 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2024-11-16 07:34:10,939 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2024-11-16 07:34:10,939 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2024-11-16 07:34:10,939 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2024-11-16 07:34:10,939 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2024-11-16 07:34:10,939 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2024-11-16 07:34:10,940 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2024-11-16 07:34:10,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 07:34:10,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-16 07:34:10,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-16 07:34:10,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-16 07:34:10,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-16 07:34:10,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-16 07:34:10,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-16 07:34:10,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-16 07:34:10,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-16 07:34:10,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-16 07:34:10,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-16 07:34:10,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-16 07:34:10,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-16 07:34:10,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-16 07:34:10,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-16 07:34:10,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-16 07:34:10,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-16 07:34:10,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-16 07:34:10,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-16 07:34:10,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-11-16 07:34:10,943 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2024-11-16 07:34:10,943 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2024-11-16 07:34:10,943 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2024-11-16 07:34:10,943 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2024-11-16 07:34:10,943 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2024-11-16 07:34:10,943 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2024-11-16 07:34:10,943 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2024-11-16 07:34:10,943 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2024-11-16 07:34:10,943 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 07:34:10,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 07:34:10,944 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2024-11-16 07:34:10,944 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2024-11-16 07:34:11,118 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 07:34:11,120 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 07:34:11,184 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3404: #res := ~retValue_acc~27; [2024-11-16 07:34:11,203 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3326: #res := ~retValue_acc~25; [2024-11-16 07:34:11,206 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1829: #res := ~retValue_acc~10; [2024-11-16 07:34:11,219 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2006: #res := ~retValue_acc~11; [2024-11-16 07:34:11,369 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2616-1: isAnyLiftButtonPressed_#res#1 := isAnyLiftButtonPressed_~retValue_acc~20#1; [2024-11-16 07:34:11,369 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2582: #res#1 := ~retValue_acc~19#1; [2024-11-16 07:34:11,432 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2714: #res := ~retValue_acc~23; [2024-11-16 07:34:11,442 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3365: #res := ~retValue_acc~26; [2024-11-16 07:34:11,467 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2098: #res := ~retValue_acc~15; [2024-11-16 07:34:11,576 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2543: #res := ~retValue_acc~18; [2024-11-16 07:34:11,589 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2049: #res := ~retValue_acc~13; [2024-11-16 07:34:11,742 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2672-1: stopRequestedAtCurrentFloor__wrappee__empty_#res#1 := stopRequestedAtCurrentFloor__wrappee__empty_~retValue_acc~21#1; [2024-11-16 07:34:11,742 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2700-1: stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~22#1; [2024-11-16 07:34:11,742 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2015-1: areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~12#1; [2024-11-16 07:34:11,783 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2178-1: anyStopRequested_#res#1 := anyStopRequested_~retValue_acc~16#1; [2024-11-16 07:34:11,784 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2191-1: isIdle_#res#1 := isIdle_~retValue_acc~17#1; [2024-11-16 07:34:11,825 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L589: #res := ~retValue_acc~1; [2024-11-16 07:34:11,894 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1260-1: main_#res#1 := main_~retValue_acc~4#1; [2024-11-16 07:34:11,894 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1387-1: valid_product_#res#1 := valid_product_~retValue_acc~6#1; [2024-11-16 07:34:11,903 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L353: #res := ~retValue_acc~0; [2024-11-16 07:34:11,909 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L900: #res := ~retValue_acc~2; [2024-11-16 07:34:12,069 INFO L? ?]: Removed 454 outVars from TransFormulas that were not future-live. [2024-11-16 07:34:12,069 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 07:34:12,095 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 07:34:12,095 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 07:34:12,095 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 07:34:12 BoogieIcfgContainer [2024-11-16 07:34:12,095 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 07:34:12,101 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 07:34:12,101 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 07:34:12,103 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 07:34:12,103 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 07:34:10" (1/3) ... [2024-11-16 07:34:12,104 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56769f65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:34:12, skipping insertion in model container [2024-11-16 07:34:12,104 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:34:10" (2/3) ... [2024-11-16 07:34:12,104 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56769f65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:34:12, skipping insertion in model container [2024-11-16 07:34:12,104 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 07:34:12" (3/3) ... [2024-11-16 07:34:12,105 INFO L112 eAbstractionObserver]: Analyzing ICFG elevator_spec9_product29.cil.c [2024-11-16 07:34:12,117 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 07:34:12,118 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 07:34:12,184 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 07:34:12,189 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;@11d1cc2b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 07:34:12,190 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 07:34:12,196 INFO L276 IsEmpty]: Start isEmpty. Operand has 588 states, 470 states have (on average 1.6617021276595745) internal successors, (781), 491 states have internal predecessors, (781), 92 states have call successors, (92), 24 states have call predecessors, (92), 24 states have return successors, (92), 86 states have call predecessors, (92), 92 states have call successors, (92) [2024-11-16 07:34:12,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-16 07:34:12,220 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:34:12,221 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:34:12,221 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:34:12,225 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:34:12,225 INFO L85 PathProgramCache]: Analyzing trace with hash 774884624, now seen corresponding path program 1 times [2024-11-16 07:34:12,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:34:12,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234402156] [2024-11-16 07:34:12,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:34:12,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:34:12,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:12,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-16 07:34:12,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:12,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:34:12,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:12,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-16 07:34:12,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:13,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 07:34:13,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:13,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:34:13,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:13,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 07:34:13,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:13,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-16 07:34:13,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:13,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-16 07:34:13,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:13,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-16 07:34:13,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:13,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-16 07:34:13,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:13,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 07:34:13,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:13,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 07:34:13,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:34:13,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1234402156] [2024-11-16 07:34:13,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1234402156] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:34:13,343 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:34:13,343 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-16 07:34:13,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869536088] [2024-11-16 07:34:13,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:34:13,349 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-16 07:34:13,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:34:13,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-16 07:34:13,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-16 07:34:13,370 INFO L87 Difference]: Start difference. First operand has 588 states, 470 states have (on average 1.6617021276595745) internal successors, (781), 491 states have internal predecessors, (781), 92 states have call successors, (92), 24 states have call predecessors, (92), 24 states have return successors, (92), 86 states have call predecessors, (92), 92 states have call successors, (92) Second operand has 10 states, 10 states have (on average 6.9) internal successors, (69), 7 states have internal predecessors, (69), 2 states have call successors, (12), 5 states have call predecessors, (12), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-16 07:34:18,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:34:18,998 INFO L93 Difference]: Finished difference Result 1410 states and 2352 transitions. [2024-11-16 07:34:18,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-16 07:34:19,000 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.9) internal successors, (69), 7 states have internal predecessors, (69), 2 states have call successors, (12), 5 states have call predecessors, (12), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 92 [2024-11-16 07:34:19,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:34:19,027 INFO L225 Difference]: With dead ends: 1410 [2024-11-16 07:34:19,027 INFO L226 Difference]: Without dead ends: 834 [2024-11-16 07:34:19,036 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2024-11-16 07:34:19,040 INFO L432 NwaCegarLoop]: 460 mSDtfsCounter, 1485 mSDsluCounter, 2628 mSDsCounter, 0 mSdLazyCounter, 5461 mSolverCounterSat, 343 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1557 SdHoareTripleChecker+Valid, 3088 SdHoareTripleChecker+Invalid, 5804 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 343 IncrementalHoareTripleChecker+Valid, 5461 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-11-16 07:34:19,041 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1557 Valid, 3088 Invalid, 5804 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [343 Valid, 5461 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2024-11-16 07:34:19,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 834 states. [2024-11-16 07:34:19,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 834 to 582. [2024-11-16 07:34:19,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 582 states, 466 states have (on average 1.6545064377682404) internal successors, (771), 485 states have internal predecessors, (771), 92 states have call successors, (92), 24 states have call predecessors, (92), 23 states have return successors, (87), 85 states have call predecessors, (87), 87 states have call successors, (87) [2024-11-16 07:34:19,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 582 states and 950 transitions. [2024-11-16 07:34:19,235 INFO L78 Accepts]: Start accepts. Automaton has 582 states and 950 transitions. Word has length 92 [2024-11-16 07:34:19,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:34:19,236 INFO L471 AbstractCegarLoop]: Abstraction has 582 states and 950 transitions. [2024-11-16 07:34:19,236 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.9) internal successors, (69), 7 states have internal predecessors, (69), 2 states have call successors, (12), 5 states have call predecessors, (12), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-16 07:34:19,236 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 950 transitions. [2024-11-16 07:34:19,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-16 07:34:19,242 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:34:19,242 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:34:19,242 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 07:34:19,242 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:34:19,243 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:34:19,243 INFO L85 PathProgramCache]: Analyzing trace with hash 964527398, now seen corresponding path program 1 times [2024-11-16 07:34:19,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:34:19,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1522109762] [2024-11-16 07:34:19,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:34:19,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:34:19,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:19,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-16 07:34:19,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:19,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:34:19,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:19,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-16 07:34:19,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:19,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 07:34:19,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:19,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:34:19,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:19,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 07:34:19,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:19,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-16 07:34:19,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:19,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-16 07:34:19,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:19,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-16 07:34:19,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:20,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-16 07:34:20,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:20,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 07:34:20,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:20,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-16 07:34:20,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:20,027 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-16 07:34:20,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:34:20,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1522109762] [2024-11-16 07:34:20,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1522109762] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:34:20,027 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:34:20,027 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-16 07:34:20,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749495754] [2024-11-16 07:34:20,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:34:20,029 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-16 07:34:20,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:34:20,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-16 07:34:20,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2024-11-16 07:34:20,030 INFO L87 Difference]: Start difference. First operand 582 states and 950 transitions. Second operand has 13 states, 13 states have (on average 5.538461538461538) internal successors, (72), 8 states have internal predecessors, (72), 2 states have call successors, (13), 5 states have call predecessors, (13), 5 states have return successors, (12), 4 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-16 07:34:26,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:34:26,494 INFO L93 Difference]: Finished difference Result 1407 states and 2332 transitions. [2024-11-16 07:34:26,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-16 07:34:26,495 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.538461538461538) internal successors, (72), 8 states have internal predecessors, (72), 2 states have call successors, (13), 5 states have call predecessors, (13), 5 states have return successors, (12), 4 states have call predecessors, (12), 2 states have call successors, (12) Word has length 99 [2024-11-16 07:34:26,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:34:26,504 INFO L225 Difference]: With dead ends: 1407 [2024-11-16 07:34:26,505 INFO L226 Difference]: Without dead ends: 843 [2024-11-16 07:34:26,507 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=100, Invalid=452, Unknown=0, NotChecked=0, Total=552 [2024-11-16 07:34:26,508 INFO L432 NwaCegarLoop]: 453 mSDtfsCounter, 1023 mSDsluCounter, 3964 mSDsCounter, 0 mSdLazyCounter, 7993 mSolverCounterSat, 211 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1100 SdHoareTripleChecker+Valid, 4417 SdHoareTripleChecker+Invalid, 8204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 211 IncrementalHoareTripleChecker+Valid, 7993 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2024-11-16 07:34:26,509 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1100 Valid, 4417 Invalid, 8204 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [211 Valid, 7993 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2024-11-16 07:34:26,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 843 states. [2024-11-16 07:34:26,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 843 to 589. [2024-11-16 07:34:26,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 589 states, 471 states have (on average 1.645435244161359) internal successors, (775), 490 states have internal predecessors, (775), 92 states have call successors, (92), 24 states have call predecessors, (92), 25 states have return successors, (92), 87 states have call predecessors, (92), 87 states have call successors, (92) [2024-11-16 07:34:26,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 589 states and 959 transitions. [2024-11-16 07:34:26,595 INFO L78 Accepts]: Start accepts. Automaton has 589 states and 959 transitions. Word has length 99 [2024-11-16 07:34:26,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:34:26,595 INFO L471 AbstractCegarLoop]: Abstraction has 589 states and 959 transitions. [2024-11-16 07:34:26,596 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.538461538461538) internal successors, (72), 8 states have internal predecessors, (72), 2 states have call successors, (13), 5 states have call predecessors, (13), 5 states have return successors, (12), 4 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-16 07:34:26,596 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 959 transitions. [2024-11-16 07:34:26,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-16 07:34:26,598 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:34:26,599 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:34:26,599 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 07:34:26,599 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:34:26,599 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:34:26,599 INFO L85 PathProgramCache]: Analyzing trace with hash -1793378140, now seen corresponding path program 1 times [2024-11-16 07:34:26,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:34:26,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581378877] [2024-11-16 07:34:26,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:34:26,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:34:26,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:26,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-16 07:34:26,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:26,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:34:26,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:26,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-16 07:34:26,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:27,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-16 07:34:27,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:27,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:34:27,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:27,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 07:34:27,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:27,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-16 07:34:27,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:27,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-16 07:34:27,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:27,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-16 07:34:27,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:27,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 07:34:27,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:27,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-16 07:34:27,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:27,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-16 07:34:27,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:27,089 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-16 07:34:27,089 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:34:27,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [581378877] [2024-11-16 07:34:27,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [581378877] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:34:27,089 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:34:27,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 07:34:27,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203430146] [2024-11-16 07:34:27,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:34:27,090 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 07:34:27,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:34:27,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 07:34:27,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-16 07:34:27,091 INFO L87 Difference]: Start difference. First operand 589 states and 959 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) [2024-11-16 07:34:30,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:34:30,379 INFO L93 Difference]: Finished difference Result 1414 states and 2333 transitions. [2024-11-16 07:34:30,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-16 07:34:30,380 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 101 [2024-11-16 07:34:30,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:34:30,385 INFO L225 Difference]: With dead ends: 1414 [2024-11-16 07:34:30,386 INFO L226 Difference]: Without dead ends: 843 [2024-11-16 07:34:30,387 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2024-11-16 07:34:30,389 INFO L432 NwaCegarLoop]: 458 mSDtfsCounter, 1954 mSDsluCounter, 1208 mSDsCounter, 0 mSdLazyCounter, 2799 mSolverCounterSat, 479 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2026 SdHoareTripleChecker+Valid, 1666 SdHoareTripleChecker+Invalid, 3278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 479 IncrementalHoareTripleChecker+Valid, 2799 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-11-16 07:34:30,391 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2026 Valid, 1666 Invalid, 3278 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [479 Valid, 2799 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-11-16 07:34:30,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 843 states. [2024-11-16 07:34:30,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 843 to 589. [2024-11-16 07:34:30,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 589 states, 471 states have (on average 1.643312101910828) internal successors, (774), 490 states have internal predecessors, (774), 92 states have call successors, (92), 24 states have call predecessors, (92), 25 states have return successors, (92), 87 states have call predecessors, (92), 87 states have call successors, (92) [2024-11-16 07:34:30,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 589 states and 958 transitions. [2024-11-16 07:34:30,471 INFO L78 Accepts]: Start accepts. Automaton has 589 states and 958 transitions. Word has length 101 [2024-11-16 07:34:30,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:34:30,472 INFO L471 AbstractCegarLoop]: Abstraction has 589 states and 958 transitions. [2024-11-16 07:34:30,472 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) [2024-11-16 07:34:30,472 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 958 transitions. [2024-11-16 07:34:30,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-16 07:34:30,477 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:34:30,477 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:34:30,477 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 07:34:30,477 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:34:30,478 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:34:30,478 INFO L85 PathProgramCache]: Analyzing trace with hash -340181691, now seen corresponding path program 1 times [2024-11-16 07:34:30,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:34:30,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161770182] [2024-11-16 07:34:30,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:34:30,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:34:30,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:30,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-16 07:34:30,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:30,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:34:30,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:30,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-16 07:34:30,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:30,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 07:34:30,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:30,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:34:30,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:30,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 07:34:30,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:30,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-16 07:34:30,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:30,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-16 07:34:30,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:30,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-16 07:34:30,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:30,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 07:34:30,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:30,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-16 07:34:30,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:30,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-16 07:34:30,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:30,986 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-16 07:34:30,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:34:30,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1161770182] [2024-11-16 07:34:30,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1161770182] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:34:30,986 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:34:30,986 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 07:34:30,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140418955] [2024-11-16 07:34:30,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:34:30,986 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 07:34:30,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:34:30,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 07:34:30,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-16 07:34:30,988 INFO L87 Difference]: Start difference. First operand 589 states and 958 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) [2024-11-16 07:34:34,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:34:34,288 INFO L93 Difference]: Finished difference Result 1414 states and 2332 transitions. [2024-11-16 07:34:34,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-16 07:34:34,288 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 102 [2024-11-16 07:34:34,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:34:34,292 INFO L225 Difference]: With dead ends: 1414 [2024-11-16 07:34:34,292 INFO L226 Difference]: Without dead ends: 843 [2024-11-16 07:34:34,294 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2024-11-16 07:34:34,295 INFO L432 NwaCegarLoop]: 458 mSDtfsCounter, 1480 mSDsluCounter, 1261 mSDsCounter, 0 mSdLazyCounter, 2853 mSolverCounterSat, 340 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1552 SdHoareTripleChecker+Valid, 1719 SdHoareTripleChecker+Invalid, 3193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 340 IncrementalHoareTripleChecker+Valid, 2853 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-11-16 07:34:34,295 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1552 Valid, 1719 Invalid, 3193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [340 Valid, 2853 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-11-16 07:34:34,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 843 states. [2024-11-16 07:34:34,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 843 to 589. [2024-11-16 07:34:34,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 589 states, 471 states have (on average 1.6411889596602973) internal successors, (773), 490 states have internal predecessors, (773), 92 states have call successors, (92), 24 states have call predecessors, (92), 25 states have return successors, (92), 87 states have call predecessors, (92), 87 states have call successors, (92) [2024-11-16 07:34:34,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 589 states and 957 transitions. [2024-11-16 07:34:34,367 INFO L78 Accepts]: Start accepts. Automaton has 589 states and 957 transitions. Word has length 102 [2024-11-16 07:34:34,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:34:34,368 INFO L471 AbstractCegarLoop]: Abstraction has 589 states and 957 transitions. [2024-11-16 07:34:34,368 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) [2024-11-16 07:34:34,368 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 957 transitions. [2024-11-16 07:34:34,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-16 07:34:34,370 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:34:34,371 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:34:34,371 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-16 07:34:34,371 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:34:34,371 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:34:34,371 INFO L85 PathProgramCache]: Analyzing trace with hash 313307207, now seen corresponding path program 1 times [2024-11-16 07:34:34,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:34:34,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968242331] [2024-11-16 07:34:34,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:34:34,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:34:34,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:34,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-16 07:34:34,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:34,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:34:34,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:34,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 07:34:34,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:34,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-16 07:34:34,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:34,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:34:34,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:34,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 07:34:34,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:34,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-16 07:34:34,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:34,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-16 07:34:34,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:34,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-16 07:34:34,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:34,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 07:34:34,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:34,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-16 07:34:34,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:34,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-16 07:34:34,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:34,874 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-16 07:34:34,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:34:34,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [968242331] [2024-11-16 07:34:34,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [968242331] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:34:34,875 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:34:34,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 07:34:34,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450755918] [2024-11-16 07:34:34,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:34:34,877 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 07:34:34,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:34:34,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 07:34:34,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-16 07:34:34,878 INFO L87 Difference]: Start difference. First operand 589 states and 957 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) [2024-11-16 07:34:38,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:34:38,511 INFO L93 Difference]: Finished difference Result 1414 states and 2331 transitions. [2024-11-16 07:34:38,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-16 07:34:38,512 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 103 [2024-11-16 07:34:38,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:34:38,516 INFO L225 Difference]: With dead ends: 1414 [2024-11-16 07:34:38,516 INFO L226 Difference]: Without dead ends: 843 [2024-11-16 07:34:38,517 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2024-11-16 07:34:38,518 INFO L432 NwaCegarLoop]: 460 mSDtfsCounter, 997 mSDsluCounter, 1333 mSDsCounter, 0 mSdLazyCounter, 3031 mSolverCounterSat, 200 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1069 SdHoareTripleChecker+Valid, 1793 SdHoareTripleChecker+Invalid, 3231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 200 IncrementalHoareTripleChecker+Valid, 3031 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2024-11-16 07:34:38,518 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1069 Valid, 1793 Invalid, 3231 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [200 Valid, 3031 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2024-11-16 07:34:38,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 843 states. [2024-11-16 07:34:38,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 843 to 589. [2024-11-16 07:34:38,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 589 states, 471 states have (on average 1.6390658174097665) internal successors, (772), 490 states have internal predecessors, (772), 92 states have call successors, (92), 24 states have call predecessors, (92), 25 states have return successors, (92), 87 states have call predecessors, (92), 87 states have call successors, (92) [2024-11-16 07:34:38,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 589 states and 956 transitions. [2024-11-16 07:34:38,590 INFO L78 Accepts]: Start accepts. Automaton has 589 states and 956 transitions. Word has length 103 [2024-11-16 07:34:38,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:34:38,590 INFO L471 AbstractCegarLoop]: Abstraction has 589 states and 956 transitions. [2024-11-16 07:34:38,591 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) [2024-11-16 07:34:38,591 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 956 transitions. [2024-11-16 07:34:38,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-16 07:34:38,593 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:34:38,593 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:34:38,593 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-16 07:34:38,593 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:34:38,593 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:34:38,593 INFO L85 PathProgramCache]: Analyzing trace with hash 1945665800, now seen corresponding path program 1 times [2024-11-16 07:34:38,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:34:38,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22344435] [2024-11-16 07:34:38,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:34:38,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:34:38,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:38,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-16 07:34:38,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:38,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:34:38,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:38,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:34:38,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:38,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-16 07:34:39,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:39,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:34:39,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:39,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 07:34:39,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:39,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-16 07:34:39,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:39,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-16 07:34:39,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:39,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-16 07:34:39,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:39,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 07:34:39,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:39,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-16 07:34:39,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:39,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-16 07:34:39,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:39,164 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-16 07:34:39,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:34:39,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22344435] [2024-11-16 07:34:39,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [22344435] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:34:39,165 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:34:39,165 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-16 07:34:39,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137128717] [2024-11-16 07:34:39,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:34:39,165 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-16 07:34:39,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:34:39,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-16 07:34:39,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2024-11-16 07:34:39,166 INFO L87 Difference]: Start difference. First operand 589 states and 956 transitions. Second operand has 12 states, 12 states have (on average 6.416666666666667) internal successors, (77), 7 states have internal predecessors, (77), 2 states have call successors, (13), 5 states have call predecessors, (13), 5 states have return successors, (12), 4 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-16 07:34:44,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:34:44,435 INFO L93 Difference]: Finished difference Result 1393 states and 2290 transitions. [2024-11-16 07:34:44,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-16 07:34:44,435 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.416666666666667) internal successors, (77), 7 states have internal predecessors, (77), 2 states have call successors, (13), 5 states have call predecessors, (13), 5 states have return successors, (12), 4 states have call predecessors, (12), 2 states have call successors, (12) Word has length 104 [2024-11-16 07:34:44,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:34:44,439 INFO L225 Difference]: With dead ends: 1393 [2024-11-16 07:34:44,439 INFO L226 Difference]: Without dead ends: 862 [2024-11-16 07:34:44,441 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=93, Invalid=413, Unknown=0, NotChecked=0, Total=506 [2024-11-16 07:34:44,442 INFO L432 NwaCegarLoop]: 457 mSDtfsCounter, 2034 mSDsluCounter, 3426 mSDsCounter, 0 mSdLazyCounter, 6898 mSolverCounterSat, 505 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2109 SdHoareTripleChecker+Valid, 3883 SdHoareTripleChecker+Invalid, 7403 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 505 IncrementalHoareTripleChecker+Valid, 6898 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2024-11-16 07:34:44,442 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2109 Valid, 3883 Invalid, 7403 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [505 Valid, 6898 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2024-11-16 07:34:44,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 862 states. [2024-11-16 07:34:44,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 862 to 590. [2024-11-16 07:34:44,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 590 states, 472 states have (on average 1.6271186440677967) internal successors, (768), 490 states have internal predecessors, (768), 92 states have call successors, (92), 24 states have call predecessors, (92), 25 states have return successors, (92), 88 states have call predecessors, (92), 87 states have call successors, (92) [2024-11-16 07:34:44,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 590 states and 952 transitions. [2024-11-16 07:34:44,516 INFO L78 Accepts]: Start accepts. Automaton has 590 states and 952 transitions. Word has length 104 [2024-11-16 07:34:44,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:34:44,516 INFO L471 AbstractCegarLoop]: Abstraction has 590 states and 952 transitions. [2024-11-16 07:34:44,516 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.416666666666667) internal successors, (77), 7 states have internal predecessors, (77), 2 states have call successors, (13), 5 states have call predecessors, (13), 5 states have return successors, (12), 4 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-16 07:34:44,517 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 952 transitions. [2024-11-16 07:34:44,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-16 07:34:44,518 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:34:44,518 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:34:44,518 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-16 07:34:44,519 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:34:44,519 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:34:44,519 INFO L85 PathProgramCache]: Analyzing trace with hash -1024271321, now seen corresponding path program 1 times [2024-11-16 07:34:44,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:34:44,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520452639] [2024-11-16 07:34:44,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:34:44,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:34:44,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:44,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-16 07:34:44,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:44,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:34:44,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:44,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:34:44,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:44,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 07:34:44,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:44,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:34:45,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:45,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 07:34:45,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:45,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-16 07:34:45,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:45,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-16 07:34:45,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:45,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-16 07:34:45,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:45,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 07:34:45,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:45,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-16 07:34:45,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:45,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-16 07:34:45,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:45,117 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-16 07:34:45,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:34:45,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520452639] [2024-11-16 07:34:45,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1520452639] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:34:45,117 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:34:45,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-16 07:34:45,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955687133] [2024-11-16 07:34:45,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:34:45,118 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 07:34:45,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:34:45,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 07:34:45,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-16 07:34:45,119 INFO L87 Difference]: Start difference. First operand 590 states and 952 transitions. Second operand has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 6 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) [2024-11-16 07:34:49,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:34:49,035 INFO L93 Difference]: Finished difference Result 1398 states and 2299 transitions. [2024-11-16 07:34:49,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-16 07:34:49,036 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 6 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 105 [2024-11-16 07:34:49,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:34:49,040 INFO L225 Difference]: With dead ends: 1398 [2024-11-16 07:34:49,040 INFO L226 Difference]: Without dead ends: 866 [2024-11-16 07:34:49,042 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2024-11-16 07:34:49,042 INFO L432 NwaCegarLoop]: 450 mSDtfsCounter, 1571 mSDsluCounter, 2129 mSDsCounter, 0 mSdLazyCounter, 4415 mSolverCounterSat, 371 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1645 SdHoareTripleChecker+Valid, 2579 SdHoareTripleChecker+Invalid, 4786 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 371 IncrementalHoareTripleChecker+Valid, 4415 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2024-11-16 07:34:49,042 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1645 Valid, 2579 Invalid, 4786 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [371 Valid, 4415 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2024-11-16 07:34:49,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 866 states. [2024-11-16 07:34:49,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 866 to 593. [2024-11-16 07:34:49,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 593 states, 475 states have (on average 1.6147368421052632) internal successors, (767), 493 states have internal predecessors, (767), 92 states have call successors, (92), 24 states have call predecessors, (92), 25 states have return successors, (92), 88 states have call predecessors, (92), 87 states have call successors, (92) [2024-11-16 07:34:49,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 593 states and 951 transitions. [2024-11-16 07:34:49,143 INFO L78 Accepts]: Start accepts. Automaton has 593 states and 951 transitions. Word has length 105 [2024-11-16 07:34:49,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:34:49,143 INFO L471 AbstractCegarLoop]: Abstraction has 593 states and 951 transitions. [2024-11-16 07:34:49,144 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 6 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) [2024-11-16 07:34:49,144 INFO L276 IsEmpty]: Start isEmpty. Operand 593 states and 951 transitions. [2024-11-16 07:34:49,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-16 07:34:49,146 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:34:49,146 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:34:49,146 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-16 07:34:49,147 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:34:49,147 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:34:49,147 INFO L85 PathProgramCache]: Analyzing trace with hash -1789843886, now seen corresponding path program 1 times [2024-11-16 07:34:49,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:34:49,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101770887] [2024-11-16 07:34:49,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:34:49,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:34:49,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:49,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-16 07:34:49,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:49,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:34:49,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:49,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:34:49,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:49,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-16 07:34:49,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:49,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:34:49,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:49,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 07:34:49,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:49,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-16 07:34:49,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:49,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-16 07:34:49,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:49,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-16 07:34:49,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:49,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-16 07:34:49,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:49,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-16 07:34:49,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:49,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 07:34:49,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:49,662 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-16 07:34:49,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:34:49,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101770887] [2024-11-16 07:34:49,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [101770887] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:34:49,665 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:34:49,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-16 07:34:49,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046468628] [2024-11-16 07:34:49,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:34:49,666 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-16 07:34:49,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:34:49,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-16 07:34:49,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-16 07:34:49,667 INFO L87 Difference]: Start difference. First operand 593 states and 951 transitions. Second operand has 10 states, 9 states have (on average 9.222222222222221) internal successors, (83), 6 states have internal predecessors, (83), 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) [2024-11-16 07:34:54,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:34:54,354 INFO L93 Difference]: Finished difference Result 1399 states and 2281 transitions. [2024-11-16 07:34:54,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-16 07:34:54,354 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 9.222222222222221) internal successors, (83), 6 states have internal predecessors, (83), 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 110 [2024-11-16 07:34:54,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:34:54,359 INFO L225 Difference]: With dead ends: 1399 [2024-11-16 07:34:54,359 INFO L226 Difference]: Without dead ends: 873 [2024-11-16 07:34:54,361 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=94, Invalid=326, Unknown=0, NotChecked=0, Total=420 [2024-11-16 07:34:54,362 INFO L432 NwaCegarLoop]: 457 mSDtfsCounter, 2029 mSDsluCounter, 2531 mSDsCounter, 0 mSdLazyCounter, 5232 mSolverCounterSat, 493 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2102 SdHoareTripleChecker+Valid, 2988 SdHoareTripleChecker+Invalid, 5725 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 493 IncrementalHoareTripleChecker+Valid, 5232 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2024-11-16 07:34:54,362 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2102 Valid, 2988 Invalid, 5725 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [493 Valid, 5232 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2024-11-16 07:34:54,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 873 states. [2024-11-16 07:34:54,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 873 to 606. [2024-11-16 07:34:54,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 606 states, 485 states have (on average 1.6123711340206186) internal successors, (782), 505 states have internal predecessors, (782), 93 states have call successors, (93), 24 states have call predecessors, (93), 27 states have return successors, (95), 89 states have call predecessors, (95), 88 states have call successors, (95) [2024-11-16 07:34:54,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 606 states and 970 transitions. [2024-11-16 07:34:54,451 INFO L78 Accepts]: Start accepts. Automaton has 606 states and 970 transitions. Word has length 110 [2024-11-16 07:34:54,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:34:54,451 INFO L471 AbstractCegarLoop]: Abstraction has 606 states and 970 transitions. [2024-11-16 07:34:54,451 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 9.222222222222221) internal successors, (83), 6 states have internal predecessors, (83), 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) [2024-11-16 07:34:54,451 INFO L276 IsEmpty]: Start isEmpty. Operand 606 states and 970 transitions. [2024-11-16 07:34:54,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-16 07:34:54,453 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:34:54,453 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:34:54,453 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-16 07:34:54,454 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:34:54,454 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:34:54,454 INFO L85 PathProgramCache]: Analyzing trace with hash 2063368915, now seen corresponding path program 1 times [2024-11-16 07:34:54,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:34:54,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768769393] [2024-11-16 07:34:54,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:34:54,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:34:54,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:54,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-16 07:34:54,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:54,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:34:54,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:54,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:34:54,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:54,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-16 07:34:54,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:54,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:34:54,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:54,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 07:34:54,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:54,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-16 07:34:54,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:54,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-16 07:34:54,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:54,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-16 07:34:54,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:54,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-16 07:34:54,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:54,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-16 07:34:54,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:54,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 07:34:54,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:54,899 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-16 07:34:54,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:34:54,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1768769393] [2024-11-16 07:34:54,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1768769393] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:34:54,900 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:34:54,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 07:34:54,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242167190] [2024-11-16 07:34:54,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:34:54,901 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 07:34:54,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:34:54,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 07:34:54,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-16 07:34:54,902 INFO L87 Difference]: Start difference. First operand 606 states and 970 transitions. Second operand has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 4 states have internal predecessors, (83), 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) [2024-11-16 07:34:58,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:34:58,116 INFO L93 Difference]: Finished difference Result 1425 states and 2323 transitions. [2024-11-16 07:34:58,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 07:34:58,116 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 4 states have internal predecessors, (83), 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 [2024-11-16 07:34:58,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:34:58,120 INFO L225 Difference]: With dead ends: 1425 [2024-11-16 07:34:58,120 INFO L226 Difference]: Without dead ends: 881 [2024-11-16 07:34:58,122 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2024-11-16 07:34:58,122 INFO L432 NwaCegarLoop]: 459 mSDtfsCounter, 1059 mSDsluCounter, 1331 mSDsCounter, 0 mSdLazyCounter, 2955 mSolverCounterSat, 205 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1131 SdHoareTripleChecker+Valid, 1790 SdHoareTripleChecker+Invalid, 3160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 205 IncrementalHoareTripleChecker+Valid, 2955 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-16 07:34:58,122 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1131 Valid, 1790 Invalid, 3160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [205 Valid, 2955 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-16 07:34:58,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 881 states. [2024-11-16 07:34:58,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 881 to 606. [2024-11-16 07:34:58,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 606 states, 485 states have (on average 1.6020618556701032) internal successors, (777), 505 states have internal predecessors, (777), 93 states have call successors, (93), 24 states have call predecessors, (93), 27 states have return successors, (95), 89 states have call predecessors, (95), 88 states have call successors, (95) [2024-11-16 07:34:58,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 606 states and 965 transitions. [2024-11-16 07:34:58,211 INFO L78 Accepts]: Start accepts. Automaton has 606 states and 965 transitions. Word has length 110 [2024-11-16 07:34:58,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:34:58,211 INFO L471 AbstractCegarLoop]: Abstraction has 606 states and 965 transitions. [2024-11-16 07:34:58,211 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 4 states have internal predecessors, (83), 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) [2024-11-16 07:34:58,211 INFO L276 IsEmpty]: Start isEmpty. Operand 606 states and 965 transitions. [2024-11-16 07:34:58,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-16 07:34:58,214 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:34:58,214 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:34:58,214 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-16 07:34:58,215 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:34:58,215 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:34:58,215 INFO L85 PathProgramCache]: Analyzing trace with hash -1833365524, now seen corresponding path program 1 times [2024-11-16 07:34:58,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:34:58,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208341630] [2024-11-16 07:34:58,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:34:58,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:34:58,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:58,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-16 07:34:58,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:58,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:34:58,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:58,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:34:58,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:58,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-16 07:34:58,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:58,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:34:58,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:58,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 07:34:58,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:58,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-16 07:34:58,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:58,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-16 07:34:58,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:58,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-16 07:34:58,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:58,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-16 07:34:58,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:58,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-16 07:34:58,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:58,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 07:34:58,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:34:58,730 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-16 07:34:58,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:34:58,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208341630] [2024-11-16 07:34:58,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1208341630] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:34:58,731 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:34:58,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-16 07:34:58,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615338586] [2024-11-16 07:34:58,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:34:58,732 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-16 07:34:58,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:34:58,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-16 07:34:58,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-16 07:34:58,733 INFO L87 Difference]: Start difference. First operand 606 states and 965 transitions. Second operand has 10 states, 9 states have (on average 9.333333333333334) internal successors, (84), 6 states have internal predecessors, (84), 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) [2024-11-16 07:35:03,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:35:03,156 INFO L93 Difference]: Finished difference Result 1402 states and 2278 transitions. [2024-11-16 07:35:03,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-16 07:35:03,157 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 9.333333333333334) internal successors, (84), 6 states have internal predecessors, (84), 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 111 [2024-11-16 07:35:03,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:35:03,160 INFO L225 Difference]: With dead ends: 1402 [2024-11-16 07:35:03,160 INFO L226 Difference]: Without dead ends: 873 [2024-11-16 07:35:03,162 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=74, Invalid=268, Unknown=0, NotChecked=0, Total=342 [2024-11-16 07:35:03,162 INFO L432 NwaCegarLoop]: 455 mSDtfsCounter, 1501 mSDsluCounter, 2591 mSDsCounter, 0 mSdLazyCounter, 5253 mSolverCounterSat, 350 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1574 SdHoareTripleChecker+Valid, 3046 SdHoareTripleChecker+Invalid, 5603 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 350 IncrementalHoareTripleChecker+Valid, 5253 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2024-11-16 07:35:03,162 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1574 Valid, 3046 Invalid, 5603 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [350 Valid, 5253 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2024-11-16 07:35:03,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 873 states. [2024-11-16 07:35:03,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 873 to 606. [2024-11-16 07:35:03,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 606 states, 485 states have (on average 1.6) internal successors, (776), 505 states have internal predecessors, (776), 93 states have call successors, (93), 24 states have call predecessors, (93), 27 states have return successors, (95), 89 states have call predecessors, (95), 88 states have call successors, (95) [2024-11-16 07:35:03,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 606 states and 964 transitions. [2024-11-16 07:35:03,250 INFO L78 Accepts]: Start accepts. Automaton has 606 states and 964 transitions. Word has length 111 [2024-11-16 07:35:03,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:35:03,250 INFO L471 AbstractCegarLoop]: Abstraction has 606 states and 964 transitions. [2024-11-16 07:35:03,250 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 9.333333333333334) internal successors, (84), 6 states have internal predecessors, (84), 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) [2024-11-16 07:35:03,250 INFO L276 IsEmpty]: Start isEmpty. Operand 606 states and 964 transitions. [2024-11-16 07:35:03,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-16 07:35:03,252 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:35:03,252 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:35:03,252 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-16 07:35:03,252 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:35:03,253 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:35:03,253 INFO L85 PathProgramCache]: Analyzing trace with hash -1053647985, now seen corresponding path program 1 times [2024-11-16 07:35:03,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:35:03,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767398152] [2024-11-16 07:35:03,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:35:03,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:35:03,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:35:03,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-16 07:35:03,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:35:03,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:35:03,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:35:03,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:35:03,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:35:03,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-16 07:35:03,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:35:03,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:35:03,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:35:03,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 07:35:03,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:35:03,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-16 07:35:03,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:35:03,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-16 07:35:03,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:35:03,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-16 07:35:03,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:35:03,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-16 07:35:03,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:35:03,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-16 07:35:03,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:35:03,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 07:35:03,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:35:03,663 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-16 07:35:03,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:35:03,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767398152] [2024-11-16 07:35:03,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1767398152] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:35:03,664 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:35:03,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 07:35:03,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293362507] [2024-11-16 07:35:03,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:35:03,664 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 07:35:03,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:35:03,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 07:35:03,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-16 07:35:03,665 INFO L87 Difference]: Start difference. First operand 606 states and 964 transitions. Second operand has 7 states, 7 states have (on average 12.0) internal successors, (84), 4 states have internal predecessors, (84), 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) [2024-11-16 07:35:06,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:35:06,827 INFO L93 Difference]: Finished difference Result 1425 states and 2314 transitions. [2024-11-16 07:35:06,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 07:35:06,828 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 4 states have internal predecessors, (84), 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 [2024-11-16 07:35:06,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:35:06,832 INFO L225 Difference]: With dead ends: 1425 [2024-11-16 07:35:06,832 INFO L226 Difference]: Without dead ends: 881 [2024-11-16 07:35:06,834 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2024-11-16 07:35:06,834 INFO L432 NwaCegarLoop]: 458 mSDtfsCounter, 1531 mSDsluCounter, 1273 mSDsCounter, 0 mSdLazyCounter, 2840 mSolverCounterSat, 344 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1603 SdHoareTripleChecker+Valid, 1731 SdHoareTripleChecker+Invalid, 3184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 344 IncrementalHoareTripleChecker+Valid, 2840 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-16 07:35:06,834 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1603 Valid, 1731 Invalid, 3184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [344 Valid, 2840 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-16 07:35:06,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 881 states. [2024-11-16 07:35:06,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 881 to 606. [2024-11-16 07:35:06,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 606 states, 485 states have (on average 1.5896907216494844) internal successors, (771), 505 states have internal predecessors, (771), 93 states have call successors, (93), 24 states have call predecessors, (93), 27 states have return successors, (95), 89 states have call predecessors, (95), 88 states have call successors, (95) [2024-11-16 07:35:06,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 606 states and 959 transitions. [2024-11-16 07:35:06,929 INFO L78 Accepts]: Start accepts. Automaton has 606 states and 959 transitions. Word has length 111 [2024-11-16 07:35:06,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:35:06,930 INFO L471 AbstractCegarLoop]: Abstraction has 606 states and 959 transitions. [2024-11-16 07:35:06,930 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 4 states have internal predecessors, (84), 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) [2024-11-16 07:35:06,930 INFO L276 IsEmpty]: Start isEmpty. Operand 606 states and 959 transitions. [2024-11-16 07:35:06,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-16 07:35:06,932 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:35:06,932 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:35:06,932 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-16 07:35:06,932 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:35:06,933 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:35:06,933 INFO L85 PathProgramCache]: Analyzing trace with hash 13158897, now seen corresponding path program 1 times [2024-11-16 07:35:06,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:35:06,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974400152] [2024-11-16 07:35:06,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:35:06,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:35:06,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:35:07,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-16 07:35:07,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:35:07,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:35:07,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:35:07,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:35:07,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:35:07,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 07:35:07,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:35:07,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:35:07,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:35:07,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 07:35:07,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:35:07,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-16 07:35:07,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:35:07,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-16 07:35:07,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:35:07,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-16 07:35:07,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:35:07,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-16 07:35:07,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:35:07,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-16 07:35:07,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:35:07,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 07:35:07,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:35:07,461 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-16 07:35:07,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:35:07,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [974400152] [2024-11-16 07:35:07,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [974400152] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:35:07,461 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:35:07,461 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-16 07:35:07,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314090950] [2024-11-16 07:35:07,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:35:07,461 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-16 07:35:07,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:35:07,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-16 07:35:07,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-16 07:35:07,462 INFO L87 Difference]: Start difference. First operand 606 states and 959 transitions. Second operand has 10 states, 9 states have (on average 9.444444444444445) internal successors, (85), 6 states have internal predecessors, (85), 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) [2024-11-16 07:35:11,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:35:11,789 INFO L93 Difference]: Finished difference Result 1411 states and 2282 transitions. [2024-11-16 07:35:11,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-16 07:35:11,790 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 9.444444444444445) internal successors, (85), 6 states have internal predecessors, (85), 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 112 [2024-11-16 07:35:11,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:35:11,794 INFO L225 Difference]: With dead ends: 1411 [2024-11-16 07:35:11,794 INFO L226 Difference]: Without dead ends: 879 [2024-11-16 07:35:11,796 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=74, Invalid=268, Unknown=0, NotChecked=0, Total=342 [2024-11-16 07:35:11,796 INFO L432 NwaCegarLoop]: 459 mSDtfsCounter, 1505 mSDsluCounter, 2606 mSDsCounter, 0 mSdLazyCounter, 5178 mSolverCounterSat, 348 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1578 SdHoareTripleChecker+Valid, 3065 SdHoareTripleChecker+Invalid, 5526 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 348 IncrementalHoareTripleChecker+Valid, 5178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2024-11-16 07:35:11,796 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1578 Valid, 3065 Invalid, 5526 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [348 Valid, 5178 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2024-11-16 07:35:11,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 879 states. [2024-11-16 07:35:11,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 879 to 609. [2024-11-16 07:35:11,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 609 states, 488 states have (on average 1.584016393442623) internal successors, (773), 508 states have internal predecessors, (773), 93 states have call successors, (93), 24 states have call predecessors, (93), 27 states have return successors, (95), 89 states have call predecessors, (95), 88 states have call successors, (95) [2024-11-16 07:35:11,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 609 states and 961 transitions. [2024-11-16 07:35:11,893 INFO L78 Accepts]: Start accepts. Automaton has 609 states and 961 transitions. Word has length 112 [2024-11-16 07:35:11,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:35:11,893 INFO L471 AbstractCegarLoop]: Abstraction has 609 states and 961 transitions. [2024-11-16 07:35:11,893 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 9.444444444444445) internal successors, (85), 6 states have internal predecessors, (85), 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) [2024-11-16 07:35:11,893 INFO L276 IsEmpty]: Start isEmpty. Operand 609 states and 961 transitions. [2024-11-16 07:35:11,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-16 07:35:11,895 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:35:11,895 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:35:11,895 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-16 07:35:11,896 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:35:11,896 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:35:11,896 INFO L85 PathProgramCache]: Analyzing trace with hash 434511280, now seen corresponding path program 1 times [2024-11-16 07:35:11,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:35:11,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44136073] [2024-11-16 07:35:11,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:35:11,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:35:11,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:35:12,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-16 07:35:12,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:35:12,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:35:12,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:35:12,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:35:12,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:35:12,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 07:35:12,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:35:12,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:35:12,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:35:12,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 07:35:12,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:35:12,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-16 07:35:12,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:35:12,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-16 07:35:12,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:35:12,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-16 07:35:12,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:35:12,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-16 07:35:12,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:35:12,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-16 07:35:12,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:35:12,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 07:35:12,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:35:12,271 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-16 07:35:12,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:35:12,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44136073] [2024-11-16 07:35:12,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [44136073] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:35:12,272 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:35:12,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 07:35:12,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782154952] [2024-11-16 07:35:12,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:35:12,273 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 07:35:12,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:35:12,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 07:35:12,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-16 07:35:12,273 INFO L87 Difference]: Start difference. First operand 609 states and 961 transitions. Second operand has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 4 states have internal predecessors, (85), 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) [2024-11-16 07:35:15,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:35:15,234 INFO L93 Difference]: Finished difference Result 1434 states and 2314 transitions. [2024-11-16 07:35:15,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 07:35:15,234 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 4 states have internal predecessors, (85), 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 [2024-11-16 07:35:15,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:35:15,239 INFO L225 Difference]: With dead ends: 1434 [2024-11-16 07:35:15,239 INFO L226 Difference]: Without dead ends: 887 [2024-11-16 07:35:15,240 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2024-11-16 07:35:15,241 INFO L432 NwaCegarLoop]: 456 mSDtfsCounter, 2009 mSDsluCounter, 1204 mSDsCounter, 0 mSdLazyCounter, 2677 mSolverCounterSat, 489 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2081 SdHoareTripleChecker+Valid, 1660 SdHoareTripleChecker+Invalid, 3166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 489 IncrementalHoareTripleChecker+Valid, 2677 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-11-16 07:35:15,241 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2081 Valid, 1660 Invalid, 3166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [489 Valid, 2677 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-11-16 07:35:15,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 887 states. [2024-11-16 07:35:15,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 887 to 609. [2024-11-16 07:35:15,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 609 states, 488 states have (on average 1.5737704918032787) internal successors, (768), 508 states have internal predecessors, (768), 93 states have call successors, (93), 24 states have call predecessors, (93), 27 states have return successors, (95), 89 states have call predecessors, (95), 88 states have call successors, (95) [2024-11-16 07:35:15,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 609 states and 956 transitions. [2024-11-16 07:35:15,337 INFO L78 Accepts]: Start accepts. Automaton has 609 states and 956 transitions. Word has length 112 [2024-11-16 07:35:15,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:35:15,337 INFO L471 AbstractCegarLoop]: Abstraction has 609 states and 956 transitions. [2024-11-16 07:35:15,337 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 4 states have internal predecessors, (85), 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) [2024-11-16 07:35:15,338 INFO L276 IsEmpty]: Start isEmpty. Operand 609 states and 956 transitions. [2024-11-16 07:35:15,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-16 07:35:15,339 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:35:15,340 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:35:15,340 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-16 07:35:15,340 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:35:15,340 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:35:15,340 INFO L85 PathProgramCache]: Analyzing trace with hash 879363881, now seen corresponding path program 1 times [2024-11-16 07:35:15,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:35:15,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297932045] [2024-11-16 07:35:15,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:35:15,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:35:15,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:35:15,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-16 07:35:15,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:35:15,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:35:15,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:35:15,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:35:15,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:35:15,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-16 07:35:15,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:35:15,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:35:15,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:35:15,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 07:35:15,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:35:15,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-16 07:35:15,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:35:15,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-16 07:35:15,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:35:15,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-16 07:35:15,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:35:15,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-16 07:35:15,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:35:15,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-16 07:35:15,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:35:15,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 07:35:15,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:35:15,812 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-16 07:35:15,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:35:15,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1297932045] [2024-11-16 07:35:15,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1297932045] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:35:15,813 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:35:15,813 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-16 07:35:15,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555727636] [2024-11-16 07:35:15,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:35:15,813 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-16 07:35:15,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:35:15,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-16 07:35:15,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-16 07:35:15,814 INFO L87 Difference]: Start difference. First operand 609 states and 956 transitions. Second operand has 10 states, 9 states have (on average 9.555555555555555) internal successors, (86), 6 states have internal predecessors, (86), 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) [2024-11-16 07:35:20,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:35:20,256 INFO L93 Difference]: Finished difference Result 1419 states and 2283 transitions. [2024-11-16 07:35:20,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-16 07:35:20,257 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 9.555555555555555) internal successors, (86), 6 states have internal predecessors, (86), 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 [2024-11-16 07:35:20,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:35:20,261 INFO L225 Difference]: With dead ends: 1419 [2024-11-16 07:35:20,261 INFO L226 Difference]: Without dead ends: 887 [2024-11-16 07:35:20,262 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=74, Invalid=268, Unknown=0, NotChecked=0, Total=342 [2024-11-16 07:35:20,263 INFO L432 NwaCegarLoop]: 455 mSDtfsCounter, 1016 mSDsluCounter, 2656 mSDsCounter, 0 mSdLazyCounter, 5225 mSolverCounterSat, 207 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1089 SdHoareTripleChecker+Valid, 3111 SdHoareTripleChecker+Invalid, 5432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 207 IncrementalHoareTripleChecker+Valid, 5225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2024-11-16 07:35:20,263 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1089 Valid, 3111 Invalid, 5432 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [207 Valid, 5225 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2024-11-16 07:35:20,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 887 states. [2024-11-16 07:35:20,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 887 to 613. [2024-11-16 07:35:20,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 613 states, 492 states have (on average 1.5670731707317074) internal successors, (771), 512 states have internal predecessors, (771), 93 states have call successors, (93), 24 states have call predecessors, (93), 27 states have return successors, (95), 89 states have call predecessors, (95), 88 states have call successors, (95) [2024-11-16 07:35:20,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 613 states and 959 transitions. [2024-11-16 07:35:20,374 INFO L78 Accepts]: Start accepts. Automaton has 613 states and 959 transitions. Word has length 113 [2024-11-16 07:35:20,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:35:20,374 INFO L471 AbstractCegarLoop]: Abstraction has 613 states and 959 transitions. [2024-11-16 07:35:20,374 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 9.555555555555555) internal successors, (86), 6 states have internal predecessors, (86), 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) [2024-11-16 07:35:20,374 INFO L276 IsEmpty]: Start isEmpty. Operand 613 states and 959 transitions. [2024-11-16 07:35:20,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-16 07:35:20,376 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:35:20,376 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:35:20,376 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-16 07:35:20,376 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:35:20,377 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:35:20,377 INFO L85 PathProgramCache]: Analyzing trace with hash -1345756404, now seen corresponding path program 1 times [2024-11-16 07:35:20,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:35:20,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089187359] [2024-11-16 07:35:20,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:35:20,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:35:20,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:35:20,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-16 07:35:20,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:35:20,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:35:20,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:35:20,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:35:20,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:35:20,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-16 07:35:20,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:35:20,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:35:20,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:35:20,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 07:35:20,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:35:20,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-16 07:35:20,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:35:20,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-16 07:35:20,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:35:20,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-16 07:35:20,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:35:20,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-16 07:35:20,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:35:20,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-16 07:35:20,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:35:20,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 07:35:20,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:35:20,784 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-16 07:35:20,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:35:20,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089187359] [2024-11-16 07:35:20,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2089187359] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:35:20,785 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:35:20,785 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 07:35:20,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409793657] [2024-11-16 07:35:20,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:35:20,785 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 07:35:20,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:35:20,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 07:35:20,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-16 07:35:20,786 INFO L87 Difference]: Start difference. First operand 613 states and 959 transitions. Second operand has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 4 states have internal predecessors, (86), 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) [2024-11-16 07:35:23,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:35:23,893 INFO L93 Difference]: Finished difference Result 1470 states and 2342 transitions. [2024-11-16 07:35:23,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-16 07:35:23,894 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 4 states have internal predecessors, (86), 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 [2024-11-16 07:35:23,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:35:23,898 INFO L225 Difference]: With dead ends: 1470 [2024-11-16 07:35:23,898 INFO L226 Difference]: Without dead ends: 855 [2024-11-16 07:35:23,899 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2024-11-16 07:35:23,899 INFO L432 NwaCegarLoop]: 464 mSDtfsCounter, 1918 mSDsluCounter, 1216 mSDsCounter, 0 mSdLazyCounter, 2670 mSolverCounterSat, 473 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1990 SdHoareTripleChecker+Valid, 1680 SdHoareTripleChecker+Invalid, 3143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 473 IncrementalHoareTripleChecker+Valid, 2670 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-11-16 07:35:23,900 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1990 Valid, 1680 Invalid, 3143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [473 Valid, 2670 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-11-16 07:35:23,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 855 states. [2024-11-16 07:35:24,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 855 to 594. [2024-11-16 07:35:24,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 594 states, 476 states have (on average 1.5735294117647058) internal successors, (749), 494 states have internal predecessors, (749), 92 states have call successors, (92), 24 states have call predecessors, (92), 25 states have return successors, (92), 88 states have call predecessors, (92), 87 states have call successors, (92) [2024-11-16 07:35:24,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 594 states and 933 transitions. [2024-11-16 07:35:24,007 INFO L78 Accepts]: Start accepts. Automaton has 594 states and 933 transitions. Word has length 113 [2024-11-16 07:35:24,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:35:24,007 INFO L471 AbstractCegarLoop]: Abstraction has 594 states and 933 transitions. [2024-11-16 07:35:24,007 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 4 states have internal predecessors, (86), 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) [2024-11-16 07:35:24,007 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 933 transitions. [2024-11-16 07:35:24,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-16 07:35:24,009 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:35:24,009 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:35:24,009 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-16 07:35:24,009 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:35:24,009 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:35:24,009 INFO L85 PathProgramCache]: Analyzing trace with hash 1420437390, now seen corresponding path program 1 times [2024-11-16 07:35:24,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:35:24,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086316256] [2024-11-16 07:35:24,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:35:24,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:35:24,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:35:24,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-16 07:35:24,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:35:24,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:35:24,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:35:24,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:35:24,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:35:24,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-16 07:35:24,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:35:24,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:35:24,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:35:24,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 07:35:24,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:35:24,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-16 07:35:24,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:35:24,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-16 07:35:24,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:35:24,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-16 07:35:24,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:35:24,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-16 07:35:24,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:35:24,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-16 07:35:24,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:35:24,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 07:35:24,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:35:24,430 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-16 07:35:24,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:35:24,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1086316256] [2024-11-16 07:35:24,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1086316256] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:35:24,431 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:35:24,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 07:35:24,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541290061] [2024-11-16 07:35:24,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:35:24,432 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 07:35:24,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:35:24,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 07:35:24,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-16 07:35:24,432 INFO L87 Difference]: Start difference. First operand 594 states and 933 transitions. Second operand has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 4 states have internal predecessors, (87), 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) [2024-11-16 07:35:27,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:35:27,464 INFO L93 Difference]: Finished difference Result 1394 states and 2244 transitions. [2024-11-16 07:35:27,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-16 07:35:27,465 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 4 states have internal predecessors, (87), 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 [2024-11-16 07:35:27,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:35:27,469 INFO L225 Difference]: With dead ends: 1394 [2024-11-16 07:35:27,469 INFO L226 Difference]: Without dead ends: 865 [2024-11-16 07:35:27,470 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2024-11-16 07:35:27,470 INFO L432 NwaCegarLoop]: 456 mSDtfsCounter, 1938 mSDsluCounter, 1204 mSDsCounter, 0 mSdLazyCounter, 2610 mSolverCounterSat, 487 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2010 SdHoareTripleChecker+Valid, 1660 SdHoareTripleChecker+Invalid, 3097 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 487 IncrementalHoareTripleChecker+Valid, 2610 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-11-16 07:35:27,471 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2010 Valid, 1660 Invalid, 3097 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [487 Valid, 2610 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-11-16 07:35:27,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 865 states. [2024-11-16 07:35:27,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 865 to 599. [2024-11-16 07:35:27,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 599 states, 481 states have (on average 1.5675675675675675) internal successors, (754), 499 states have internal predecessors, (754), 92 states have call successors, (92), 24 states have call predecessors, (92), 25 states have return successors, (92), 88 states have call predecessors, (92), 87 states have call successors, (92) [2024-11-16 07:35:27,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 599 states and 938 transitions. [2024-11-16 07:35:27,566 INFO L78 Accepts]: Start accepts. Automaton has 599 states and 938 transitions. Word has length 114 [2024-11-16 07:35:27,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:35:27,567 INFO L471 AbstractCegarLoop]: Abstraction has 599 states and 938 transitions. [2024-11-16 07:35:27,567 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 4 states have internal predecessors, (87), 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) [2024-11-16 07:35:27,567 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 938 transitions. [2024-11-16 07:35:27,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-16 07:35:27,569 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:35:27,569 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:35:27,569 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-16 07:35:27,569 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:35:27,569 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:35:27,569 INFO L85 PathProgramCache]: Analyzing trace with hash -534509563, now seen corresponding path program 1 times [2024-11-16 07:35:27,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:35:27,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051375922] [2024-11-16 07:35:27,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:35:27,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:35:27,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:35:27,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-16 07:35:27,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:35:27,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:35:27,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:35:27,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:35:27,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:35:27,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 07:35:27,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:35:28,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:35:28,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:35:28,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 07:35:28,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:35:28,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-16 07:35:28,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:35:28,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-16 07:35:28,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:35:28,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-16 07:35:28,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:35:28,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-16 07:35:28,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:35:28,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-16 07:35:28,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:35:28,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 07:35:28,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:35:28,117 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-16 07:35:28,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:35:28,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051375922] [2024-11-16 07:35:28,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1051375922] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:35:28,117 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:35:28,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-16 07:35:28,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164773256] [2024-11-16 07:35:28,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:35:28,118 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-16 07:35:28,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:35:28,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-16 07:35:28,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-11-16 07:35:28,119 INFO L87 Difference]: Start difference. First operand 599 states and 938 transitions. Second operand has 11 states, 11 states have (on average 8.0) internal successors, (88), 6 states have internal predecessors, (88), 3 states have call successors, (13), 5 states have call predecessors, (13), 4 states have return successors, (12), 5 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-16 07:35:35,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:35:35,996 INFO L93 Difference]: Finished difference Result 2087 states and 3436 transitions. [2024-11-16 07:35:35,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-16 07:35:35,996 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.0) internal successors, (88), 6 states have internal predecessors, (88), 3 states have call successors, (13), 5 states have call predecessors, (13), 4 states have return successors, (12), 5 states have call predecessors, (12), 3 states have call successors, (12) Word has length 115 [2024-11-16 07:35:35,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:35:36,004 INFO L225 Difference]: With dead ends: 2087 [2024-11-16 07:35:36,004 INFO L226 Difference]: Without dead ends: 1566 [2024-11-16 07:35:36,006 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 158 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=192, Invalid=678, Unknown=0, NotChecked=0, Total=870 [2024-11-16 07:35:36,006 INFO L432 NwaCegarLoop]: 556 mSDtfsCounter, 4336 mSDsluCounter, 3386 mSDsCounter, 0 mSdLazyCounter, 5933 mSolverCounterSat, 1200 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4409 SdHoareTripleChecker+Valid, 3942 SdHoareTripleChecker+Invalid, 7133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1200 IncrementalHoareTripleChecker+Valid, 5933 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-11-16 07:35:36,006 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4409 Valid, 3942 Invalid, 7133 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1200 Valid, 5933 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2024-11-16 07:35:36,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1566 states. [2024-11-16 07:35:36,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1566 to 1145. [2024-11-16 07:35:36,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1145 states, 922 states have (on average 1.596529284164859) internal successors, (1472), 950 states have internal predecessors, (1472), 174 states have call successors, (174), 42 states have call predecessors, (174), 48 states have return successors, (188), 176 states have call predecessors, (188), 169 states have call successors, (188) [2024-11-16 07:35:36,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1145 states to 1145 states and 1834 transitions. [2024-11-16 07:35:36,227 INFO L78 Accepts]: Start accepts. Automaton has 1145 states and 1834 transitions. Word has length 115 [2024-11-16 07:35:36,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:35:36,227 INFO L471 AbstractCegarLoop]: Abstraction has 1145 states and 1834 transitions. [2024-11-16 07:35:36,227 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.0) internal successors, (88), 6 states have internal predecessors, (88), 3 states have call successors, (13), 5 states have call predecessors, (13), 4 states have return successors, (12), 5 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-16 07:35:36,227 INFO L276 IsEmpty]: Start isEmpty. Operand 1145 states and 1834 transitions. [2024-11-16 07:35:36,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-16 07:35:36,229 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:35:36,229 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:35:36,229 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-16 07:35:36,229 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:35:36,230 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:35:36,230 INFO L85 PathProgramCache]: Analyzing trace with hash -196891279, now seen corresponding path program 1 times [2024-11-16 07:35:36,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:35:36,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271359823] [2024-11-16 07:35:36,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:35:36,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:35:36,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:35:36,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-16 07:35:36,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:35:36,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:35:36,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:35:36,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:35:36,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:35:36,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 07:35:36,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:35:36,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:35:36,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:35:36,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 07:35:36,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:35:36,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-16 07:35:36,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:35:36,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-16 07:35:36,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:35:36,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-16 07:35:36,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:35:36,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-16 07:35:36,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:35:36,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-16 07:35:36,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:35:36,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 07:35:36,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:35:36,749 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-16 07:35:36,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:35:36,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271359823] [2024-11-16 07:35:36,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1271359823] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 07:35:36,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [690643252] [2024-11-16 07:35:36,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:35:36,749 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 07:35:36,749 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 07:35:36,751 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-16 07:35:36,752 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-16 07:35:36,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:35:36,991 INFO L255 TraceCheckSpWp]: Trace formula consists of 1448 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-16 07:35:36,999 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 07:35:37,013 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 07:35:37,014 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 07:35:37,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [690643252] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:35:37,014 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-16 07:35:37,014 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [13] total 13 [2024-11-16 07:35:37,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155987316] [2024-11-16 07:35:37,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:35:37,014 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 07:35:37,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:35:37,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 07:35:37,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2024-11-16 07:35:37,015 INFO L87 Difference]: Start difference. First operand 1145 states and 1834 transitions. Second operand has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-16 07:35:37,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:35:37,496 INFO L93 Difference]: Finished difference Result 3167 states and 5194 transitions. [2024-11-16 07:35:37,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 07:35:37,497 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (13), 2 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 115 [2024-11-16 07:35:37,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:35:37,505 INFO L225 Difference]: With dead ends: 3167 [2024-11-16 07:35:37,506 INFO L226 Difference]: Without dead ends: 2100 [2024-11-16 07:35:37,510 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2024-11-16 07:35:37,511 INFO L432 NwaCegarLoop]: 980 mSDtfsCounter, 836 mSDsluCounter, 744 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 836 SdHoareTripleChecker+Valid, 1724 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 07:35:37,511 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [836 Valid, 1724 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 07:35:37,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2100 states.