./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/elevator_spec3_product17.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 61a67961 Calling Ultimate with: /root/.sdkman/candidates/java/current/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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/elevator_spec3_product17.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 c169527384ebd2beb44494ef6b1cbc32334198d2b76d2236e6ced79c84ed026c --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 02:46:40,042 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 02:46:40,119 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-14 02:46:40,125 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 02:46:40,127 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 02:46:40,160 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 02:46:40,161 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 02:46:40,161 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 02:46:40,162 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 02:46:40,163 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 02:46:40,163 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 02:46:40,164 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 02:46:40,164 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 02:46:40,165 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 02:46:40,166 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 02:46:40,166 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 02:46:40,166 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 02:46:40,168 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 02:46:40,170 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 02:46:40,170 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 02:46:40,171 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 02:46:40,171 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 02:46:40,171 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 02:46:40,172 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 02:46:40,172 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 02:46:40,172 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 02:46:40,173 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 02:46:40,173 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 02:46:40,173 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 02:46:40,174 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 02:46:40,174 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 02:46:40,174 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 02:46:40,174 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 02:46:40,175 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 02:46:40,175 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 02:46:40,175 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 02:46:40,175 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 02:46:40,176 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 02:46:40,176 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 02:46:40,176 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 02:46:40,176 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 02:46:40,177 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 02:46:40,177 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c169527384ebd2beb44494ef6b1cbc32334198d2b76d2236e6ced79c84ed026c [2024-10-14 02:46:40,444 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 02:46:40,472 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 02:46:40,475 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 02:46:40,477 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 02:46:40,477 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 02:46:40,478 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/elevator_spec3_product17.cil.c [2024-10-14 02:46:42,000 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 02:46:42,284 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 02:46:42,289 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/elevator_spec3_product17.cil.c [2024-10-14 02:46:42,321 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/161321570/ccab58197567475f8aed6b330fec7dfa/FLAG72cdb786e [2024-10-14 02:46:42,571 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/161321570/ccab58197567475f8aed6b330fec7dfa [2024-10-14 02:46:42,574 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 02:46:42,576 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 02:46:42,578 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 02:46:42,578 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 02:46:42,583 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 02:46:42,585 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 02:46:42" (1/1) ... [2024-10-14 02:46:42,585 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ee6928c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:46:42, skipping insertion in model container [2024-10-14 02:46:42,585 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 02:46:42" (1/1) ... [2024-10-14 02:46:42,657 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 02:46:42,891 WARN L248 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_spec3_product17.cil.c[5770,5783] [2024-10-14 02:46:43,222 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 02:46:43,235 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 02:46:43,247 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [48] [2024-10-14 02:46:43,249 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [67] [2024-10-14 02:46:43,250 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [259] [2024-10-14 02:46:43,250 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"UnitTests.i","") [268] [2024-10-14 02:46:43,251 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Floor.i","") [366] [2024-10-14 02:46:43,251 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [1033] [2024-10-14 02:46:43,251 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Elevator.i","") [1399] [2024-10-14 02:46:43,251 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [2844] [2024-10-14 02:46:43,252 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Person.i","") [3195] [2024-10-14 02:46:43,252 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [3313] [2024-10-14 02:46:43,262 WARN L248 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_spec3_product17.cil.c[5770,5783] [2024-10-14 02:46:43,357 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 02:46:43,391 INFO L204 MainTranslator]: Completed translation [2024-10-14 02:46:43,392 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:46:43 WrapperNode [2024-10-14 02:46:43,392 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 02:46:43,393 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 02:46:43,393 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 02:46:43,393 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 02:46:43,399 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:46:43" (1/1) ... [2024-10-14 02:46:43,425 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:46:43" (1/1) ... [2024-10-14 02:46:43,527 INFO L138 Inliner]: procedures = 88, calls = 338, calls flagged for inlining = 23, calls inlined = 20, statements flattened = 797 [2024-10-14 02:46:43,528 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 02:46:43,529 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 02:46:43,529 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 02:46:43,529 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 02:46:43,539 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:46:43" (1/1) ... [2024-10-14 02:46:43,540 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:46:43" (1/1) ... [2024-10-14 02:46:43,553 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:46:43" (1/1) ... [2024-10-14 02:46:43,589 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]. [2024-10-14 02:46:43,590 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:46:43" (1/1) ... [2024-10-14 02:46:43,590 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:46:43" (1/1) ... [2024-10-14 02:46:43,608 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:46:43" (1/1) ... [2024-10-14 02:46:43,623 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:46:43" (1/1) ... [2024-10-14 02:46:43,629 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:46:43" (1/1) ... [2024-10-14 02:46:43,635 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:46:43" (1/1) ... [2024-10-14 02:46:43,643 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 02:46:43,644 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 02:46:43,645 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 02:46:43,645 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 02:46:43,646 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:46:43" (1/1) ... [2024-10-14 02:46:43,651 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 02:46:43,669 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 02:46:43,701 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) [2024-10-14 02:46:43,708 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 [2024-10-14 02:46:43,756 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 02:46:43,756 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2024-10-14 02:46:43,757 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2024-10-14 02:46:43,757 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2024-10-14 02:46:43,757 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2024-10-14 02:46:43,757 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2024-10-14 02:46:43,757 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2024-10-14 02:46:43,757 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2024-10-14 02:46:43,758 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2024-10-14 02:46:43,758 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2024-10-14 02:46:43,759 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2024-10-14 02:46:43,759 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2024-10-14 02:46:43,759 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2024-10-14 02:46:43,760 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-10-14 02:46:43,760 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-10-14 02:46:43,760 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-10-14 02:46:43,760 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-10-14 02:46:43,761 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2024-10-14 02:46:43,761 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2024-10-14 02:46:43,761 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2024-10-14 02:46:43,761 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2024-10-14 02:46:43,761 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2024-10-14 02:46:43,762 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2024-10-14 02:46:43,762 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2024-10-14 02:46:43,762 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2024-10-14 02:46:43,762 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2024-10-14 02:46:43,764 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2024-10-14 02:46:43,764 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2024-10-14 02:46:43,765 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2024-10-14 02:46:43,765 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2024-10-14 02:46:43,765 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2024-10-14 02:46:43,765 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2024-10-14 02:46:43,765 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2024-10-14 02:46:43,765 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2024-10-14 02:46:43,765 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2024-10-14 02:46:43,766 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2024-10-14 02:46:43,766 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2024-10-14 02:46:43,766 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2024-10-14 02:46:43,766 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2024-10-14 02:46:43,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 02:46:43,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-14 02:46:43,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-14 02:46:43,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-14 02:46:43,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-14 02:46:43,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-14 02:46:43,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-14 02:46:43,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-10-14 02:46:43,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-10-14 02:46:43,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-10-14 02:46:43,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-10-14 02:46:43,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-10-14 02:46:43,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-10-14 02:46:43,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-10-14 02:46:43,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-10-14 02:46:43,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-10-14 02:46:43,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-10-14 02:46:43,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-10-14 02:46:43,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-10-14 02:46:43,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-10-14 02:46:43,769 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2024-10-14 02:46:43,770 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2024-10-14 02:46:43,770 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2024-10-14 02:46:43,770 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2024-10-14 02:46:43,770 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2024-10-14 02:46:43,770 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2024-10-14 02:46:43,771 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2024-10-14 02:46:43,771 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2024-10-14 02:46:43,771 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 02:46:43,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 02:46:43,772 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2024-10-14 02:46:43,772 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2024-10-14 02:46:43,976 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 02:46:43,978 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 02:46:45,187 INFO L? ?]: Removed 435 outVars from TransFormulas that were not future-live. [2024-10-14 02:46:45,187 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 02:46:45,282 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 02:46:45,282 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-14 02:46:45,282 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 02:46:45 BoogieIcfgContainer [2024-10-14 02:46:45,283 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 02:46:45,285 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 02:46:45,286 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 02:46:45,289 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 02:46:45,289 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 02:46:42" (1/3) ... [2024-10-14 02:46:45,290 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d2795ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 02:46:45, skipping insertion in model container [2024-10-14 02:46:45,291 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:46:43" (2/3) ... [2024-10-14 02:46:45,291 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d2795ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 02:46:45, skipping insertion in model container [2024-10-14 02:46:45,291 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 02:46:45" (3/3) ... [2024-10-14 02:46:45,293 INFO L112 eAbstractionObserver]: Analyzing ICFG elevator_spec3_product17.cil.c [2024-10-14 02:46:45,312 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 02:46:45,312 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-14 02:46:45,392 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 02:46:45,398 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;@4a8b4f1b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 02:46:45,398 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-14 02:46:45,405 INFO L276 IsEmpty]: Start isEmpty. Operand has 540 states, 414 states have (on average 1.7222222222222223) internal successors, (713), 432 states have internal predecessors, (713), 100 states have call successors, (100), 24 states have call predecessors, (100), 24 states have return successors, (100), 97 states have call predecessors, (100), 100 states have call successors, (100) [2024-10-14 02:46:45,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-10-14 02:46:45,424 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 02:46:45,425 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-14 02:46:45,425 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 02:46:45,430 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 02:46:45,430 INFO L85 PathProgramCache]: Analyzing trace with hash 1984493230, now seen corresponding path program 1 times [2024-10-14 02:46:45,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 02:46:45,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558457441] [2024-10-14 02:46:45,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:46:45,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 02:46:45,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:46:46,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 02:46:46,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:46:46,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 02:46:46,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:46:46,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-14 02:46:46,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:46:46,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 02:46:46,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:46:46,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 02:46:46,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:46:46,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-14 02:46:46,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:46:46,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-14 02:46:46,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:46:46,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 02:46:46,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:46:46,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-14 02:46:46,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:46:46,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 02:46:46,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:46:46,812 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-14 02:46:46,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 02:46:46,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [558457441] [2024-10-14 02:46:46,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [558457441] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 02:46:46,813 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 02:46:46,813 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-14 02:46:46,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469556443] [2024-10-14 02:46:46,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 02:46:46,824 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-14 02:46:46,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 02:46:46,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-14 02:46:46,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-10-14 02:46:46,852 INFO L87 Difference]: Start difference. First operand has 540 states, 414 states have (on average 1.7222222222222223) internal successors, (713), 432 states have internal predecessors, (713), 100 states have call successors, (100), 24 states have call predecessors, (100), 24 states have return successors, (100), 97 states have call predecessors, (100), 100 states have call successors, (100) Second operand has 10 states, 9 states have (on average 5.777777777777778) internal successors, (52), 6 states have internal predecessors, (52), 3 states have call successors, (12), 5 states have call predecessors, (12), 4 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-10-14 02:46:54,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 02:46:54,919 INFO L93 Difference]: Finished difference Result 1418 states and 2501 transitions. [2024-10-14 02:46:54,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-14 02:46:54,922 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 5.777777777777778) internal successors, (52), 6 states have internal predecessors, (52), 3 states have call successors, (12), 5 states have call predecessors, (12), 4 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 75 [2024-10-14 02:46:54,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 02:46:54,952 INFO L225 Difference]: With dead ends: 1418 [2024-10-14 02:46:54,952 INFO L226 Difference]: Without dead ends: 875 [2024-10-14 02:46:54,967 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=94, Invalid=326, Unknown=0, NotChecked=0, Total=420 [2024-10-14 02:46:54,974 INFO L432 NwaCegarLoop]: 444 mSDtfsCounter, 2166 mSDsluCounter, 2364 mSDsCounter, 0 mSdLazyCounter, 5346 mSolverCounterSat, 657 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2271 SdHoareTripleChecker+Valid, 2808 SdHoareTripleChecker+Invalid, 6003 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 657 IncrementalHoareTripleChecker+Valid, 5346 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2024-10-14 02:46:54,978 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2271 Valid, 2808 Invalid, 6003 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [657 Valid, 5346 Invalid, 0 Unknown, 0 Unchecked, 5.8s Time] [2024-10-14 02:46:55,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 875 states. [2024-10-14 02:46:55,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 875 to 546. [2024-10-14 02:46:55,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 546 states, 420 states have (on average 1.707142857142857) internal successors, (717), 438 states have internal predecessors, (717), 101 states have call successors, (101), 24 states have call predecessors, (101), 24 states have return successors, (100), 96 states have call predecessors, (100), 98 states have call successors, (100) [2024-10-14 02:46:55,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 546 states and 918 transitions. [2024-10-14 02:46:55,261 INFO L78 Accepts]: Start accepts. Automaton has 546 states and 918 transitions. Word has length 75 [2024-10-14 02:46:55,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 02:46:55,262 INFO L471 AbstractCegarLoop]: Abstraction has 546 states and 918 transitions. [2024-10-14 02:46:55,262 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 5.777777777777778) internal successors, (52), 6 states have internal predecessors, (52), 3 states have call successors, (12), 5 states have call predecessors, (12), 4 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-10-14 02:46:55,263 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 918 transitions. [2024-10-14 02:46:55,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-10-14 02:46:55,269 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 02:46:55,269 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-14 02:46:55,269 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 02:46:55,270 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 02:46:55,270 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 02:46:55,270 INFO L85 PathProgramCache]: Analyzing trace with hash 1486008158, now seen corresponding path program 1 times [2024-10-14 02:46:55,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 02:46:55,272 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779613986] [2024-10-14 02:46:55,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:46:55,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 02:46:55,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:46:55,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 02:46:55,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:46:55,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 02:46:55,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:46:55,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-14 02:46:55,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:46:55,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 02:46:55,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:46:55,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 02:46:55,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:46:56,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-14 02:46:56,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:46:56,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-14 02:46:56,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:46:56,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-14 02:46:56,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:46:56,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-14 02:46:56,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:46:56,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-14 02:46:56,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:46:56,046 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-14 02:46:56,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 02:46:56,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [779613986] [2024-10-14 02:46:56,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [779613986] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 02:46:56,047 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 02:46:56,047 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-14 02:46:56,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675367443] [2024-10-14 02:46:56,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 02:46:56,049 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-14 02:46:56,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 02:46:56,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-14 02:46:56,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-10-14 02:46:56,050 INFO L87 Difference]: Start difference. First operand 546 states and 918 transitions. Second operand has 10 states, 9 states have (on average 5.888888888888889) internal successors, (53), 6 states have internal predecessors, (53), 3 states have call successors, (12), 5 states have call predecessors, (12), 3 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-10-14 02:47:02,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 02:47:02,816 INFO L93 Difference]: Finished difference Result 1411 states and 2450 transitions. [2024-10-14 02:47:02,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-14 02:47:02,816 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 5.888888888888889) internal successors, (53), 6 states have internal predecessors, (53), 3 states have call successors, (12), 5 states have call predecessors, (12), 3 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 76 [2024-10-14 02:47:02,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 02:47:02,823 INFO L225 Difference]: With dead ends: 1411 [2024-10-14 02:47:02,823 INFO L226 Difference]: Without dead ends: 875 [2024-10-14 02:47:02,827 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=74, Invalid=268, Unknown=0, NotChecked=0, Total=342 [2024-10-14 02:47:02,829 INFO L432 NwaCegarLoop]: 427 mSDtfsCounter, 1059 mSDsluCounter, 2341 mSDsCounter, 0 mSdLazyCounter, 5434 mSolverCounterSat, 276 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1164 SdHoareTripleChecker+Valid, 2768 SdHoareTripleChecker+Invalid, 5710 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 276 IncrementalHoareTripleChecker+Valid, 5434 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2024-10-14 02:47:02,829 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1164 Valid, 2768 Invalid, 5710 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [276 Valid, 5434 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2024-10-14 02:47:02,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 875 states. [2024-10-14 02:47:02,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 875 to 546. [2024-10-14 02:47:02,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 546 states, 420 states have (on average 1.7047619047619047) internal successors, (716), 438 states have internal predecessors, (716), 101 states have call successors, (101), 24 states have call predecessors, (101), 24 states have return successors, (100), 96 states have call predecessors, (100), 98 states have call successors, (100) [2024-10-14 02:47:02,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 546 states and 917 transitions. [2024-10-14 02:47:02,975 INFO L78 Accepts]: Start accepts. Automaton has 546 states and 917 transitions. Word has length 76 [2024-10-14 02:47:02,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 02:47:02,976 INFO L471 AbstractCegarLoop]: Abstraction has 546 states and 917 transitions. [2024-10-14 02:47:02,976 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 5.888888888888889) internal successors, (53), 6 states have internal predecessors, (53), 3 states have call successors, (12), 5 states have call predecessors, (12), 3 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-10-14 02:47:02,976 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 917 transitions. [2024-10-14 02:47:02,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-10-14 02:47:02,982 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 02:47:02,983 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-14 02:47:02,983 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 02:47:02,983 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 02:47:02,984 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 02:47:02,985 INFO L85 PathProgramCache]: Analyzing trace with hash 25252281, now seen corresponding path program 1 times [2024-10-14 02:47:02,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 02:47:02,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464992275] [2024-10-14 02:47:02,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:47:02,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 02:47:03,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:47:03,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 02:47:03,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:47:03,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 02:47:03,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:47:03,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-14 02:47:03,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:47:03,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 02:47:03,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:47:03,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 02:47:03,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:47:03,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-14 02:47:03,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:47:03,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-14 02:47:03,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:47:03,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-14 02:47:03,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:47:03,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-14 02:47:03,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:47:03,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-14 02:47:03,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:47:03,567 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-14 02:47:03,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 02:47:03,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1464992275] [2024-10-14 02:47:03,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1464992275] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 02:47:03,568 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 02:47:03,569 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 02:47:03,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387675086] [2024-10-14 02:47:03,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 02:47:03,569 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 02:47:03,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 02:47:03,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 02:47:03,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-10-14 02:47:03,571 INFO L87 Difference]: Start difference. First operand 546 states and 917 transitions. Second operand has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (12), 5 states have call predecessors, (12), 3 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-10-14 02:47:08,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 02:47:08,794 INFO L93 Difference]: Finished difference Result 1405 states and 2433 transitions. [2024-10-14 02:47:08,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 02:47:08,795 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (12), 5 states have call predecessors, (12), 3 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 76 [2024-10-14 02:47:08,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 02:47:08,800 INFO L225 Difference]: With dead ends: 1405 [2024-10-14 02:47:08,800 INFO L226 Difference]: Without dead ends: 840 [2024-10-14 02:47:08,804 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2024-10-14 02:47:08,805 INFO L432 NwaCegarLoop]: 417 mSDtfsCounter, 1556 mSDsluCounter, 1035 mSDsCounter, 0 mSdLazyCounter, 2823 mSolverCounterSat, 478 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1660 SdHoareTripleChecker+Valid, 1452 SdHoareTripleChecker+Invalid, 3301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 478 IncrementalHoareTripleChecker+Valid, 2823 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-10-14 02:47:08,806 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1660 Valid, 1452 Invalid, 3301 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [478 Valid, 2823 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2024-10-14 02:47:08,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 840 states. [2024-10-14 02:47:08,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 840 to 523. [2024-10-14 02:47:08,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 523 states, 400 states have (on average 1.695) internal successors, (678), 416 states have internal predecessors, (678), 100 states have call successors, (100), 24 states have call predecessors, (100), 22 states have return successors, (97), 95 states have call predecessors, (97), 97 states have call successors, (97) [2024-10-14 02:47:08,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 523 states and 875 transitions. [2024-10-14 02:47:08,917 INFO L78 Accepts]: Start accepts. Automaton has 523 states and 875 transitions. Word has length 76 [2024-10-14 02:47:08,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 02:47:08,917 INFO L471 AbstractCegarLoop]: Abstraction has 523 states and 875 transitions. [2024-10-14 02:47:08,917 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (12), 5 states have call predecessors, (12), 3 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-10-14 02:47:08,917 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 875 transitions. [2024-10-14 02:47:08,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-10-14 02:47:08,920 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 02:47:08,920 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-14 02:47:08,920 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 02:47:08,920 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 02:47:08,921 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 02:47:08,921 INFO L85 PathProgramCache]: Analyzing trace with hash -1640512262, now seen corresponding path program 1 times [2024-10-14 02:47:08,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 02:47:08,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440336767] [2024-10-14 02:47:08,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:47:08,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 02:47:08,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:47:09,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 02:47:09,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:47:09,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 02:47:09,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:47:09,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-14 02:47:09,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:47:09,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 02:47:09,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:47:09,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 02:47:09,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:47:09,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 02:47:09,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:47:09,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-14 02:47:09,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:47:09,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 02:47:09,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:47:09,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-14 02:47:09,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:47:09,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-14 02:47:09,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:47:09,636 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-14 02:47:09,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 02:47:09,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [440336767] [2024-10-14 02:47:09,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [440336767] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 02:47:09,637 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 02:47:09,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-14 02:47:09,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566223304] [2024-10-14 02:47:09,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 02:47:09,639 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-14 02:47:09,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 02:47:09,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-14 02:47:09,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-10-14 02:47:09,640 INFO L87 Difference]: Start difference. First operand 523 states and 875 transitions. Second operand has 10 states, 9 states have (on average 6.0) internal successors, (54), 6 states have internal predecessors, (54), 3 states have call successors, (12), 5 states have call predecessors, (12), 4 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-10-14 02:47:15,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 02:47:15,892 INFO L93 Difference]: Finished difference Result 1369 states and 2365 transitions. [2024-10-14 02:47:15,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-14 02:47:15,893 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 6.0) internal successors, (54), 6 states have internal predecessors, (54), 3 states have call successors, (12), 5 states have call predecessors, (12), 4 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 77 [2024-10-14 02:47:15,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 02:47:15,899 INFO L225 Difference]: With dead ends: 1369 [2024-10-14 02:47:15,899 INFO L226 Difference]: Without dead ends: 834 [2024-10-14 02:47:15,902 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=94, Invalid=326, Unknown=0, NotChecked=0, Total=420 [2024-10-14 02:47:15,903 INFO L432 NwaCegarLoop]: 437 mSDtfsCounter, 1568 mSDsluCounter, 2350 mSDsCounter, 0 mSdLazyCounter, 5130 mSolverCounterSat, 471 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1673 SdHoareTripleChecker+Valid, 2787 SdHoareTripleChecker+Invalid, 5601 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 471 IncrementalHoareTripleChecker+Valid, 5130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2024-10-14 02:47:15,903 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1673 Valid, 2787 Invalid, 5601 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [471 Valid, 5130 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2024-10-14 02:47:15,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 834 states. [2024-10-14 02:47:16,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 834 to 517. [2024-10-14 02:47:16,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 517 states, 394 states have (on average 1.6878172588832487) internal successors, (665), 410 states have internal predecessors, (665), 100 states have call successors, (100), 24 states have call predecessors, (100), 22 states have return successors, (97), 95 states have call predecessors, (97), 97 states have call successors, (97) [2024-10-14 02:47:16,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 517 states and 862 transitions. [2024-10-14 02:47:16,032 INFO L78 Accepts]: Start accepts. Automaton has 517 states and 862 transitions. Word has length 77 [2024-10-14 02:47:16,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 02:47:16,033 INFO L471 AbstractCegarLoop]: Abstraction has 517 states and 862 transitions. [2024-10-14 02:47:16,034 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.0) internal successors, (54), 6 states have internal predecessors, (54), 3 states have call successors, (12), 5 states have call predecessors, (12), 4 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-10-14 02:47:16,034 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 862 transitions. [2024-10-14 02:47:16,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-10-14 02:47:16,036 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 02:47:16,037 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-14 02:47:16,037 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-14 02:47:16,037 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 02:47:16,038 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 02:47:16,038 INFO L85 PathProgramCache]: Analyzing trace with hash 1083816198, now seen corresponding path program 1 times [2024-10-14 02:47:16,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 02:47:16,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585549938] [2024-10-14 02:47:16,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:47:16,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 02:47:16,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:47:16,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 02:47:16,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:47:16,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 02:47:16,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:47:16,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-14 02:47:16,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:47:16,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 02:47:16,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:47:16,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 02:47:16,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:47:16,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 02:47:16,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:47:16,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-14 02:47:16,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:47:16,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-14 02:47:16,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:47:16,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 02:47:16,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:47:16,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-14 02:47:16,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:47:16,627 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-14 02:47:16,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 02:47:16,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585549938] [2024-10-14 02:47:16,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1585549938] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 02:47:16,627 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 02:47:16,627 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 02:47:16,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104631577] [2024-10-14 02:47:16,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 02:47:16,628 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 02:47:16,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 02:47:16,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 02:47:16,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-10-14 02:47:16,631 INFO L87 Difference]: Start difference. First operand 517 states and 862 transitions. Second operand has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (12), 5 states have call predecessors, (12), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-10-14 02:47:21,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 02:47:21,446 INFO L93 Difference]: Finished difference Result 1341 states and 2316 transitions. [2024-10-14 02:47:21,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-14 02:47:21,447 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (12), 5 states have call predecessors, (12), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 78 [2024-10-14 02:47:21,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 02:47:21,454 INFO L225 Difference]: With dead ends: 1341 [2024-10-14 02:47:21,454 INFO L226 Difference]: Without dead ends: 834 [2024-10-14 02:47:21,487 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2024-10-14 02:47:21,489 INFO L432 NwaCegarLoop]: 427 mSDtfsCounter, 993 mSDsluCounter, 1095 mSDsCounter, 0 mSdLazyCounter, 2796 mSolverCounterSat, 271 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1098 SdHoareTripleChecker+Valid, 1522 SdHoareTripleChecker+Invalid, 3067 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 271 IncrementalHoareTripleChecker+Valid, 2796 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2024-10-14 02:47:21,489 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1098 Valid, 1522 Invalid, 3067 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [271 Valid, 2796 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2024-10-14 02:47:21,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 834 states. [2024-10-14 02:47:21,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 834 to 517. [2024-10-14 02:47:21,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 517 states, 394 states have (on average 1.6852791878172588) internal successors, (664), 410 states have internal predecessors, (664), 100 states have call successors, (100), 24 states have call predecessors, (100), 22 states have return successors, (97), 95 states have call predecessors, (97), 97 states have call successors, (97) [2024-10-14 02:47:21,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 517 states and 861 transitions. [2024-10-14 02:47:21,621 INFO L78 Accepts]: Start accepts. Automaton has 517 states and 861 transitions. Word has length 78 [2024-10-14 02:47:21,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 02:47:21,622 INFO L471 AbstractCegarLoop]: Abstraction has 517 states and 861 transitions. [2024-10-14 02:47:21,622 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (12), 5 states have call predecessors, (12), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-10-14 02:47:21,622 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 861 transitions. [2024-10-14 02:47:21,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-10-14 02:47:21,626 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 02:47:21,626 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-14 02:47:21,626 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-14 02:47:21,626 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 02:47:21,627 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 02:47:21,627 INFO L85 PathProgramCache]: Analyzing trace with hash 2033674199, now seen corresponding path program 1 times [2024-10-14 02:47:21,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 02:47:21,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249928991] [2024-10-14 02:47:21,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:47:21,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 02:47:21,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:47:21,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 02:47:21,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:47:22,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 02:47:22,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:47:22,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-14 02:47:22,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:47:22,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 02:47:22,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:47:22,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 02:47:22,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:47:22,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-14 02:47:22,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:47:22,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-14 02:47:22,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:47:22,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-14 02:47:22,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:47:22,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-14 02:47:22,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:47:22,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-14 02:47:22,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:47:22,279 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-14 02:47:22,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 02:47:22,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249928991] [2024-10-14 02:47:22,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [249928991] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 02:47:22,279 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 02:47:22,279 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-14 02:47:22,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227667700] [2024-10-14 02:47:22,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 02:47:22,281 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-14 02:47:22,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 02:47:22,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-14 02:47:22,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-10-14 02:47:22,282 INFO L87 Difference]: Start difference. First operand 517 states and 861 transitions. Second operand has 10 states, 9 states have (on average 6.222222222222222) internal successors, (56), 6 states have internal predecessors, (56), 3 states have call successors, (12), 5 states have call predecessors, (12), 4 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-10-14 02:47:28,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 02:47:28,296 INFO L93 Difference]: Finished difference Result 1357 states and 2334 transitions. [2024-10-14 02:47:28,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-14 02:47:28,296 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 6.222222222222222) internal successors, (56), 6 states have internal predecessors, (56), 3 states have call successors, (12), 5 states have call predecessors, (12), 4 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 79 [2024-10-14 02:47:28,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 02:47:28,302 INFO L225 Difference]: With dead ends: 1357 [2024-10-14 02:47:28,302 INFO L226 Difference]: Without dead ends: 828 [2024-10-14 02:47:28,306 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=94, Invalid=326, Unknown=0, NotChecked=0, Total=420 [2024-10-14 02:47:28,306 INFO L432 NwaCegarLoop]: 438 mSDtfsCounter, 1529 mSDsluCounter, 2360 mSDsCounter, 0 mSdLazyCounter, 5032 mSolverCounterSat, 469 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1634 SdHoareTripleChecker+Valid, 2798 SdHoareTripleChecker+Invalid, 5501 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 469 IncrementalHoareTripleChecker+Valid, 5032 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2024-10-14 02:47:28,307 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1634 Valid, 2798 Invalid, 5501 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [469 Valid, 5032 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2024-10-14 02:47:28,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 828 states. [2024-10-14 02:47:28,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 828 to 511. [2024-10-14 02:47:28,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 511 states, 388 states have (on average 1.6778350515463918) internal successors, (651), 404 states have internal predecessors, (651), 100 states have call successors, (100), 24 states have call predecessors, (100), 22 states have return successors, (97), 95 states have call predecessors, (97), 97 states have call successors, (97) [2024-10-14 02:47:28,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 511 states and 848 transitions. [2024-10-14 02:47:28,445 INFO L78 Accepts]: Start accepts. Automaton has 511 states and 848 transitions. Word has length 79 [2024-10-14 02:47:28,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 02:47:28,446 INFO L471 AbstractCegarLoop]: Abstraction has 511 states and 848 transitions. [2024-10-14 02:47:28,446 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.222222222222222) internal successors, (56), 6 states have internal predecessors, (56), 3 states have call successors, (12), 5 states have call predecessors, (12), 4 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-10-14 02:47:28,446 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 848 transitions. [2024-10-14 02:47:28,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-10-14 02:47:28,448 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 02:47:28,448 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-14 02:47:28,449 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-14 02:47:28,449 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 02:47:28,449 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 02:47:28,449 INFO L85 PathProgramCache]: Analyzing trace with hash 1404947719, now seen corresponding path program 1 times [2024-10-14 02:47:28,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 02:47:28,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513766867] [2024-10-14 02:47:28,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:47:28,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 02:47:28,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:47:28,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 02:47:28,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:47:28,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 02:47:28,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:47:28,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-14 02:47:28,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:47:28,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 02:47:28,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:47:28,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 02:47:28,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:47:29,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 02:47:29,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:47:29,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 02:47:29,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:47:29,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 02:47:29,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:47:29,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-14 02:47:29,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:47:29,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 02:47:29,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:47:29,030 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-14 02:47:29,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 02:47:29,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513766867] [2024-10-14 02:47:29,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1513766867] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 02:47:29,030 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 02:47:29,031 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 02:47:29,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152440134] [2024-10-14 02:47:29,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 02:47:29,031 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 02:47:29,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 02:47:29,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 02:47:29,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-10-14 02:47:29,032 INFO L87 Difference]: Start difference. First operand 511 states and 848 transitions. Second operand has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (12), 5 states have call predecessors, (12), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-10-14 02:47:33,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 02:47:33,708 INFO L93 Difference]: Finished difference Result 1329 states and 2287 transitions. [2024-10-14 02:47:33,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-14 02:47:33,708 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (12), 5 states have call predecessors, (12), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 80 [2024-10-14 02:47:33,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 02:47:33,713 INFO L225 Difference]: With dead ends: 1329 [2024-10-14 02:47:33,714 INFO L226 Difference]: Without dead ends: 828 [2024-10-14 02:47:33,717 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2024-10-14 02:47:33,717 INFO L432 NwaCegarLoop]: 437 mSDtfsCounter, 958 mSDsluCounter, 1118 mSDsCounter, 0 mSdLazyCounter, 2770 mSolverCounterSat, 271 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1062 SdHoareTripleChecker+Valid, 1555 SdHoareTripleChecker+Invalid, 3041 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 271 IncrementalHoareTripleChecker+Valid, 2770 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2024-10-14 02:47:33,718 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1062 Valid, 1555 Invalid, 3041 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [271 Valid, 2770 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2024-10-14 02:47:33,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 828 states. [2024-10-14 02:47:33,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 828 to 511. [2024-10-14 02:47:33,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 511 states, 388 states have (on average 1.675257731958763) internal successors, (650), 404 states have internal predecessors, (650), 100 states have call successors, (100), 24 states have call predecessors, (100), 22 states have return successors, (97), 95 states have call predecessors, (97), 97 states have call successors, (97) [2024-10-14 02:47:33,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 511 states and 847 transitions. [2024-10-14 02:47:33,854 INFO L78 Accepts]: Start accepts. Automaton has 511 states and 847 transitions. Word has length 80 [2024-10-14 02:47:33,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 02:47:33,854 INFO L471 AbstractCegarLoop]: Abstraction has 511 states and 847 transitions. [2024-10-14 02:47:33,854 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (12), 5 states have call predecessors, (12), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-10-14 02:47:33,855 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 847 transitions. [2024-10-14 02:47:33,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-10-14 02:47:33,856 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 02:47:33,857 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-14 02:47:33,857 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-14 02:47:33,857 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 02:47:33,857 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 02:47:33,857 INFO L85 PathProgramCache]: Analyzing trace with hash -1933882501, now seen corresponding path program 1 times [2024-10-14 02:47:33,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 02:47:33,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783893942] [2024-10-14 02:47:33,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:47:33,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 02:47:33,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:47:34,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 02:47:34,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:47:34,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 02:47:34,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:47:34,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-14 02:47:34,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:47:34,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 02:47:34,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:47:34,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 02:47:34,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:47:34,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 02:47:34,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:47:34,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-14 02:47:34,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:47:34,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 02:47:34,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:47:34,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-14 02:47:34,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:47:34,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 02:47:34,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:47:34,440 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-14 02:47:34,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 02:47:34,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783893942] [2024-10-14 02:47:34,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1783893942] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 02:47:34,440 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 02:47:34,440 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-14 02:47:34,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224673738] [2024-10-14 02:47:34,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 02:47:34,441 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-14 02:47:34,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 02:47:34,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-14 02:47:34,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-10-14 02:47:34,442 INFO L87 Difference]: Start difference. First operand 511 states and 847 transitions. Second operand has 10 states, 9 states have (on average 6.444444444444445) internal successors, (58), 6 states have internal predecessors, (58), 3 states have call successors, (12), 5 states have call predecessors, (12), 4 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-10-14 02:47:40,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 02:47:40,244 INFO L93 Difference]: Finished difference Result 1345 states and 2303 transitions. [2024-10-14 02:47:40,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-14 02:47:40,244 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 6.444444444444445) internal successors, (58), 6 states have internal predecessors, (58), 3 states have call successors, (12), 5 states have call predecessors, (12), 4 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 81 [2024-10-14 02:47:40,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 02:47:40,249 INFO L225 Difference]: With dead ends: 1345 [2024-10-14 02:47:40,249 INFO L226 Difference]: Without dead ends: 822 [2024-10-14 02:47:40,252 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=94, Invalid=326, Unknown=0, NotChecked=0, Total=420 [2024-10-14 02:47:40,253 INFO L432 NwaCegarLoop]: 423 mSDtfsCounter, 1507 mSDsluCounter, 2285 mSDsCounter, 0 mSdLazyCounter, 4939 mSolverCounterSat, 469 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1612 SdHoareTripleChecker+Valid, 2708 SdHoareTripleChecker+Invalid, 5408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 469 IncrementalHoareTripleChecker+Valid, 4939 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-10-14 02:47:40,253 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1612 Valid, 2708 Invalid, 5408 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [469 Valid, 4939 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2024-10-14 02:47:40,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 822 states. [2024-10-14 02:47:40,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 822 to 505. [2024-10-14 02:47:40,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 505 states, 382 states have (on average 1.6675392670157068) internal successors, (637), 398 states have internal predecessors, (637), 100 states have call successors, (100), 24 states have call predecessors, (100), 22 states have return successors, (97), 95 states have call predecessors, (97), 97 states have call successors, (97) [2024-10-14 02:47:40,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 505 states and 834 transitions. [2024-10-14 02:47:40,380 INFO L78 Accepts]: Start accepts. Automaton has 505 states and 834 transitions. Word has length 81 [2024-10-14 02:47:40,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 02:47:40,380 INFO L471 AbstractCegarLoop]: Abstraction has 505 states and 834 transitions. [2024-10-14 02:47:40,380 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.444444444444445) internal successors, (58), 6 states have internal predecessors, (58), 3 states have call successors, (12), 5 states have call predecessors, (12), 4 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-10-14 02:47:40,380 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 834 transitions. [2024-10-14 02:47:40,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-10-14 02:47:40,382 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 02:47:40,383 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-14 02:47:40,383 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-14 02:47:40,383 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 02:47:40,383 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 02:47:40,383 INFO L85 PathProgramCache]: Analyzing trace with hash 155887194, now seen corresponding path program 1 times [2024-10-14 02:47:40,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 02:47:40,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041346380] [2024-10-14 02:47:40,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:47:40,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 02:47:40,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:47:40,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 02:47:40,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:47:40,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 02:47:40,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:47:40,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-14 02:47:40,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:47:40,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 02:47:40,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:47:40,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 02:47:40,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:47:40,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 02:47:40,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:47:40,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-14 02:47:40,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:47:40,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 02:47:40,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:47:41,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-14 02:47:41,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:47:41,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 02:47:41,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:47:41,010 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-14 02:47:41,010 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 02:47:41,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2041346380] [2024-10-14 02:47:41,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2041346380] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 02:47:41,010 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 02:47:41,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-14 02:47:41,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246295214] [2024-10-14 02:47:41,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 02:47:41,011 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-14 02:47:41,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 02:47:41,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-14 02:47:41,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-10-14 02:47:41,013 INFO L87 Difference]: Start difference. First operand 505 states and 834 transitions. Second operand has 10 states, 9 states have (on average 6.444444444444445) internal successors, (58), 6 states have internal predecessors, (58), 3 states have call successors, (12), 5 states have call predecessors, (12), 3 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-10-14 02:47:47,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 02:47:47,287 INFO L93 Difference]: Finished difference Result 1317 states and 2258 transitions. [2024-10-14 02:47:47,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-14 02:47:47,288 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 6.444444444444445) internal successors, (58), 6 states have internal predecessors, (58), 3 states have call successors, (12), 5 states have call predecessors, (12), 3 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 81 [2024-10-14 02:47:47,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 02:47:47,295 INFO L225 Difference]: With dead ends: 1317 [2024-10-14 02:47:47,295 INFO L226 Difference]: Without dead ends: 822 [2024-10-14 02:47:47,298 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=74, Invalid=268, Unknown=0, NotChecked=0, Total=342 [2024-10-14 02:47:47,299 INFO L432 NwaCegarLoop]: 434 mSDtfsCounter, 937 mSDsluCounter, 2376 mSDsCounter, 0 mSdLazyCounter, 4923 mSolverCounterSat, 272 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1041 SdHoareTripleChecker+Valid, 2810 SdHoareTripleChecker+Invalid, 5195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 272 IncrementalHoareTripleChecker+Valid, 4923 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2024-10-14 02:47:47,299 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1041 Valid, 2810 Invalid, 5195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [272 Valid, 4923 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2024-10-14 02:47:47,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 822 states. [2024-10-14 02:47:47,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 822 to 505. [2024-10-14 02:47:47,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 505 states, 382 states have (on average 1.6649214659685865) internal successors, (636), 398 states have internal predecessors, (636), 100 states have call successors, (100), 24 states have call predecessors, (100), 22 states have return successors, (97), 95 states have call predecessors, (97), 97 states have call successors, (97) [2024-10-14 02:47:47,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 505 states and 833 transitions. [2024-10-14 02:47:47,456 INFO L78 Accepts]: Start accepts. Automaton has 505 states and 833 transitions. Word has length 81 [2024-10-14 02:47:47,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 02:47:47,456 INFO L471 AbstractCegarLoop]: Abstraction has 505 states and 833 transitions. [2024-10-14 02:47:47,457 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.444444444444445) internal successors, (58), 6 states have internal predecessors, (58), 3 states have call successors, (12), 5 states have call predecessors, (12), 3 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-10-14 02:47:47,457 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 833 transitions. [2024-10-14 02:47:47,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-10-14 02:47:47,459 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 02:47:47,459 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-14 02:47:47,459 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-14 02:47:47,459 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 02:47:47,459 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 02:47:47,460 INFO L85 PathProgramCache]: Analyzing trace with hash 1257182221, now seen corresponding path program 1 times [2024-10-14 02:47:47,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 02:47:47,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139964124] [2024-10-14 02:47:47,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:47:47,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 02:47:47,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:47:47,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 02:47:47,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:47:47,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 02:47:47,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:47:47,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-14 02:47:47,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:47:47,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 02:47:47,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:47:47,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 02:47:47,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:47:47,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-14 02:47:47,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:47:47,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-14 02:47:47,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:47:47,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-14 02:47:47,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:47:48,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-14 02:47:48,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:47:48,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-14 02:47:48,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:47:48,008 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-14 02:47:48,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 02:47:48,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1139964124] [2024-10-14 02:47:48,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1139964124] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 02:47:48,009 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 02:47:48,009 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 02:47:48,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672442845] [2024-10-14 02:47:48,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 02:47:48,010 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 02:47:48,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 02:47:48,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 02:47:48,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-10-14 02:47:48,010 INFO L87 Difference]: Start difference. First operand 505 states and 833 transitions. Second operand has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (12), 5 states have call predecessors, (12), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-10-14 02:47:52,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 02:47:52,666 INFO L93 Difference]: Finished difference Result 1323 states and 2262 transitions. [2024-10-14 02:47:52,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-14 02:47:52,667 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (12), 5 states have call predecessors, (12), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 82 [2024-10-14 02:47:52,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 02:47:52,673 INFO L225 Difference]: With dead ends: 1323 [2024-10-14 02:47:52,673 INFO L226 Difference]: Without dead ends: 828 [2024-10-14 02:47:52,675 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2024-10-14 02:47:52,676 INFO L432 NwaCegarLoop]: 422 mSDtfsCounter, 936 mSDsluCounter, 1082 mSDsCounter, 0 mSdLazyCounter, 2722 mSolverCounterSat, 268 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1041 SdHoareTripleChecker+Valid, 1504 SdHoareTripleChecker+Invalid, 2990 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 268 IncrementalHoareTripleChecker+Valid, 2722 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2024-10-14 02:47:52,676 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1041 Valid, 1504 Invalid, 2990 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [268 Valid, 2722 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2024-10-14 02:47:52,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 828 states. [2024-10-14 02:47:52,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 828 to 511. [2024-10-14 02:47:52,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 511 states, 388 states have (on average 1.6546391752577319) internal successors, (642), 404 states have internal predecessors, (642), 100 states have call successors, (100), 24 states have call predecessors, (100), 22 states have return successors, (97), 95 states have call predecessors, (97), 97 states have call successors, (97) [2024-10-14 02:47:52,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 511 states and 839 transitions. [2024-10-14 02:47:52,855 INFO L78 Accepts]: Start accepts. Automaton has 511 states and 839 transitions. Word has length 82 [2024-10-14 02:47:52,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 02:47:52,855 INFO L471 AbstractCegarLoop]: Abstraction has 511 states and 839 transitions. [2024-10-14 02:47:52,856 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (12), 5 states have call predecessors, (12), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-10-14 02:47:52,856 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 839 transitions. [2024-10-14 02:47:52,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-10-14 02:47:52,858 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 02:47:52,858 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-14 02:47:52,858 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-14 02:47:52,858 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 02:47:52,859 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 02:47:52,859 INFO L85 PathProgramCache]: Analyzing trace with hash 1701082895, now seen corresponding path program 1 times [2024-10-14 02:47:52,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 02:47:52,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993437852] [2024-10-14 02:47:52,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:47:52,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 02:47:52,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:47:53,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 02:47:53,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:47:53,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 02:47:53,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:47:53,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-14 02:47:53,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:47:53,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 02:47:53,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:47:53,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 02:47:53,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:47:53,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-14 02:47:53,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:47:53,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-14 02:47:53,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:47:53,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-14 02:47:53,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:47:53,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-14 02:47:53,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:47:53,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-14 02:47:53,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:47:53,433 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-14 02:47:53,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 02:47:53,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1993437852] [2024-10-14 02:47:53,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1993437852] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 02:47:53,433 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 02:47:53,433 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-14 02:47:53,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528478412] [2024-10-14 02:47:53,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 02:47:53,434 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-14 02:47:53,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 02:47:53,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-14 02:47:53,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-10-14 02:47:53,435 INFO L87 Difference]: Start difference. First operand 511 states and 839 transitions. Second operand has 10 states, 9 states have (on average 6.555555555555555) internal successors, (59), 6 states have internal predecessors, (59), 3 states have call successors, (12), 5 states have call predecessors, (12), 4 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-10-14 02:47:59,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 02:47:59,672 INFO L93 Difference]: Finished difference Result 1331 states and 2268 transitions. [2024-10-14 02:47:59,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-14 02:47:59,673 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 6.555555555555555) internal successors, (59), 6 states have internal predecessors, (59), 3 states have call successors, (12), 5 states have call predecessors, (12), 4 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 82 [2024-10-14 02:47:59,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 02:47:59,678 INFO L225 Difference]: With dead ends: 1331 [2024-10-14 02:47:59,678 INFO L226 Difference]: Without dead ends: 822 [2024-10-14 02:47:59,681 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=80, Invalid=262, Unknown=0, NotChecked=0, Total=342 [2024-10-14 02:47:59,681 INFO L432 NwaCegarLoop]: 436 mSDtfsCounter, 940 mSDsluCounter, 2385 mSDsCounter, 0 mSdLazyCounter, 4933 mSolverCounterSat, 271 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1044 SdHoareTripleChecker+Valid, 2821 SdHoareTripleChecker+Invalid, 5204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 271 IncrementalHoareTripleChecker+Valid, 4933 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2024-10-14 02:47:59,681 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1044 Valid, 2821 Invalid, 5204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [271 Valid, 4933 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2024-10-14 02:47:59,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 822 states. [2024-10-14 02:47:59,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 822 to 505. [2024-10-14 02:47:59,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 505 states, 382 states have (on average 1.662303664921466) internal successors, (635), 398 states have internal predecessors, (635), 100 states have call successors, (100), 24 states have call predecessors, (100), 22 states have return successors, (97), 95 states have call predecessors, (97), 97 states have call successors, (97) [2024-10-14 02:47:59,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 505 states and 832 transitions. [2024-10-14 02:47:59,829 INFO L78 Accepts]: Start accepts. Automaton has 505 states and 832 transitions. Word has length 82 [2024-10-14 02:47:59,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 02:47:59,829 INFO L471 AbstractCegarLoop]: Abstraction has 505 states and 832 transitions. [2024-10-14 02:47:59,829 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.555555555555555) internal successors, (59), 6 states have internal predecessors, (59), 3 states have call successors, (12), 5 states have call predecessors, (12), 4 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-10-14 02:47:59,829 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 832 transitions. [2024-10-14 02:47:59,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-10-14 02:47:59,831 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 02:47:59,831 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-14 02:47:59,831 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-14 02:47:59,831 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 02:47:59,832 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 02:47:59,832 INFO L85 PathProgramCache]: Analyzing trace with hash -1931662592, now seen corresponding path program 1 times [2024-10-14 02:47:59,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 02:47:59,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127231428] [2024-10-14 02:47:59,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:47:59,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 02:47:59,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:48:00,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 02:48:00,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:48:00,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 02:48:00,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:48:00,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-14 02:48:00,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:48:00,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 02:48:00,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:48:00,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 02:48:00,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:48:00,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-14 02:48:00,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:48:00,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-10-14 02:48:00,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:48:00,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-14 02:48:00,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:48:00,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 02:48:00,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:48:00,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-14 02:48:00,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:48:00,380 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-14 02:48:00,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 02:48:00,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127231428] [2024-10-14 02:48:00,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1127231428] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 02:48:00,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1469241310] [2024-10-14 02:48:00,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:48:00,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 02:48:00,382 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 02:48:00,384 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) [2024-10-14 02:48:00,385 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-14 02:48:00,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:48:00,659 INFO L255 TraceCheckSpWp]: Trace formula consists of 1532 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-14 02:48:00,669 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 02:48:00,727 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 02:48:00,727 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 02:48:00,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1469241310] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 02:48:00,728 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 02:48:00,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-10-14 02:48:00,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581042698] [2024-10-14 02:48:00,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 02:48:00,728 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 02:48:00,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 02:48:00,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 02:48:00,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-10-14 02:48:00,729 INFO L87 Difference]: Start difference. First operand 505 states and 832 transitions. Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-10-14 02:48:01,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 02:48:01,005 INFO L93 Difference]: Finished difference Result 1440 states and 2399 transitions. [2024-10-14 02:48:01,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 02:48:01,005 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 83 [2024-10-14 02:48:01,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 02:48:01,009 INFO L225 Difference]: With dead ends: 1440 [2024-10-14 02:48:01,009 INFO L226 Difference]: Without dead ends: 947 [2024-10-14 02:48:01,011 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-10-14 02:48:01,011 INFO L432 NwaCegarLoop]: 827 mSDtfsCounter, 777 mSDsluCounter, 726 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 777 SdHoareTripleChecker+Valid, 1553 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 02:48:01,012 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [777 Valid, 1553 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 02:48:01,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 947 states. [2024-10-14 02:48:01,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 947 to 933. [2024-10-14 02:48:01,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 933 states, 714 states have (on average 1.6722689075630253) internal successors, (1194), 745 states have internal predecessors, (1194), 176 states have call successors, (176), 43 states have call predecessors, (176), 42 states have return successors, (178), 170 states have call predecessors, (178), 173 states have call successors, (178) [2024-10-14 02:48:01,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 933 states to 933 states and 1548 transitions. [2024-10-14 02:48:01,282 INFO L78 Accepts]: Start accepts. Automaton has 933 states and 1548 transitions. Word has length 83 [2024-10-14 02:48:01,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 02:48:01,282 INFO L471 AbstractCegarLoop]: Abstraction has 933 states and 1548 transitions. [2024-10-14 02:48:01,283 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-10-14 02:48:01,283 INFO L276 IsEmpty]: Start isEmpty. Operand 933 states and 1548 transitions. [2024-10-14 02:48:01,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-10-14 02:48:01,285 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 02:48:01,285 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 02:48:01,305 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-14 02:48:01,486 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-10-14 02:48:01,486 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 02:48:01,487 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 02:48:01,487 INFO L85 PathProgramCache]: Analyzing trace with hash 496461151, now seen corresponding path program 1 times [2024-10-14 02:48:01,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 02:48:01,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204227997] [2024-10-14 02:48:01,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:48:01,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 02:48:01,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat