./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_spec9_product09.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_spec9_product09.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 cc5b9f71a5434758faa1f6f3febe6f12c158e9feff610b938ef9d4658acd21ff --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 02:48:24,864 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 02:48:24,923 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-14 02:48:24,927 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 02:48:24,927 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 02:48:24,957 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 02:48:24,958 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 02:48:24,958 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 02:48:24,959 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 02:48:24,959 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 02:48:24,960 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 02:48:24,960 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 02:48:24,961 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 02:48:24,961 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 02:48:24,961 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 02:48:24,962 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 02:48:24,962 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 02:48:24,963 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 02:48:24,963 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 02:48:24,963 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 02:48:24,970 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 02:48:24,970 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 02:48:24,971 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 02:48:24,971 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 02:48:24,971 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 02:48:24,971 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 02:48:24,972 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 02:48:24,972 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 02:48:24,972 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 02:48:24,973 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 02:48:24,973 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 02:48:24,973 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 02:48:24,973 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 02:48:24,973 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 02:48:24,974 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 02:48:24,974 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 02:48:24,974 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 02:48:24,975 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 02:48:24,975 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 02:48:24,975 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 02:48:24,975 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 02:48:24,977 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 02:48:24,977 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cc5b9f71a5434758faa1f6f3febe6f12c158e9feff610b938ef9d4658acd21ff [2024-10-14 02:48:25,232 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 02:48:25,254 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 02:48:25,258 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 02:48:25,259 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 02:48:25,259 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 02:48:25,261 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/elevator_spec9_product09.cil.c [2024-10-14 02:48:26,780 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 02:48:27,089 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 02:48:27,089 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/elevator_spec9_product09.cil.c [2024-10-14 02:48:27,112 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75d94a62f/09317410eb3c4ca499581d5860c3f6c4/FLAG450099799 [2024-10-14 02:48:27,127 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75d94a62f/09317410eb3c4ca499581d5860c3f6c4 [2024-10-14 02:48:27,129 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 02:48:27,131 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 02:48:27,132 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 02:48:27,133 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 02:48:27,138 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 02:48:27,139 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 02:48:27" (1/1) ... [2024-10-14 02:48:27,140 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c76b5d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:48:27, skipping insertion in model container [2024-10-14 02:48:27,140 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 02:48:27" (1/1) ... [2024-10-14 02:48:27,216 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 02:48:27,676 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_spec9_product09.cil.c[70349,70362] [2024-10-14 02:48:27,683 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 02:48:27,696 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 02:48:27,729 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [48] [2024-10-14 02:48:27,732 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Floor.i","") [62] [2024-10-14 02:48:27,733 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [730] [2024-10-14 02:48:27,733 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Elevator.i","") [1092] [2024-10-14 02:48:27,733 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [2539] [2024-10-14 02:48:27,733 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification9_spec.i","") [2905] [2024-10-14 02:48:27,734 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Person.i","") [3065] [2024-10-14 02:48:27,734 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"UnitTests.i","") [3184] [2024-10-14 02:48:27,734 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [3275] [2024-10-14 02:48:27,734 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [3310] [2024-10-14 02:48:27,857 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_spec9_product09.cil.c[70349,70362] [2024-10-14 02:48:27,858 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 02:48:27,895 INFO L204 MainTranslator]: Completed translation [2024-10-14 02:48:27,896 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:48:27 WrapperNode [2024-10-14 02:48:27,896 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 02:48:27,897 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 02:48:27,897 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 02:48:27,898 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 02:48:27,909 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:48:27" (1/1) ... [2024-10-14 02:48:27,951 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:48:27" (1/1) ... [2024-10-14 02:48:28,011 INFO L138 Inliner]: procedures = 89, calls = 327, calls flagged for inlining = 25, calls inlined = 22, statements flattened = 770 [2024-10-14 02:48:28,016 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 02:48:28,016 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 02:48:28,016 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 02:48:28,016 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 02:48:28,033 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:48:27" (1/1) ... [2024-10-14 02:48:28,033 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:48:27" (1/1) ... [2024-10-14 02:48:28,042 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:48:27" (1/1) ... [2024-10-14 02:48:28,082 INFO L175 MemorySlicer]: Split 81 memory accesses to 20 slices as follows [2, 4, 4, 5, 3, 3, 5, 7, 4, 4, 4, 4, 4, 6, 4, 4, 4, 4, 4, 2]. 9 percent of accesses are in the largest equivalence class. The 81 initializations are split as follows [2, 4, 4, 5, 3, 3, 5, 7, 4, 4, 4, 4, 4, 6, 4, 4, 4, 4, 4, 2]. 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 02:48:28,083 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:48:27" (1/1) ... [2024-10-14 02:48:28,083 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:48:27" (1/1) ... [2024-10-14 02:48:28,109 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:48:27" (1/1) ... [2024-10-14 02:48:28,135 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:48:27" (1/1) ... [2024-10-14 02:48:28,144 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:48:27" (1/1) ... [2024-10-14 02:48:28,155 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:48:27" (1/1) ... [2024-10-14 02:48:28,169 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 02:48:28,171 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 02:48:28,171 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 02:48:28,171 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 02:48:28,172 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:48:27" (1/1) ... [2024-10-14 02:48:28,177 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 02:48:28,189 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 02:48:28,206 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 02:48:28,209 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 02:48:28,257 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 02:48:28,257 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2024-10-14 02:48:28,258 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2024-10-14 02:48:28,258 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2024-10-14 02:48:28,258 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2024-10-14 02:48:28,258 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2024-10-14 02:48:28,258 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2024-10-14 02:48:28,258 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2024-10-14 02:48:28,259 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2024-10-14 02:48:28,259 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-10-14 02:48:28,259 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-10-14 02:48:28,260 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-10-14 02:48:28,260 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-10-14 02:48:28,260 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2024-10-14 02:48:28,260 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2024-10-14 02:48:28,261 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2024-10-14 02:48:28,261 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2024-10-14 02:48:28,261 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2024-10-14 02:48:28,261 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2024-10-14 02:48:28,262 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2024-10-14 02:48:28,262 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2024-10-14 02:48:28,262 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2024-10-14 02:48:28,262 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2024-10-14 02:48:28,262 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2024-10-14 02:48:28,263 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2024-10-14 02:48:28,263 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2024-10-14 02:48:28,264 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2024-10-14 02:48:28,264 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2024-10-14 02:48:28,264 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2024-10-14 02:48:28,264 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2024-10-14 02:48:28,264 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2024-10-14 02:48:28,264 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2024-10-14 02:48:28,264 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2024-10-14 02:48:28,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 02:48:28,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-14 02:48:28,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-14 02:48:28,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-14 02:48:28,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-14 02:48:28,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-14 02:48:28,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-14 02:48:28,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-10-14 02:48:28,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-10-14 02:48:28,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-10-14 02:48:28,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-10-14 02:48:28,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-10-14 02:48:28,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-10-14 02:48:28,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-10-14 02:48:28,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-10-14 02:48:28,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-10-14 02:48:28,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-10-14 02:48:28,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-10-14 02:48:28,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-10-14 02:48:28,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-10-14 02:48:28,267 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2024-10-14 02:48:28,267 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2024-10-14 02:48:28,267 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2024-10-14 02:48:28,267 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2024-10-14 02:48:28,267 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2024-10-14 02:48:28,267 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2024-10-14 02:48:28,268 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 02:48:28,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 02:48:28,268 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2024-10-14 02:48:28,268 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2024-10-14 02:48:28,466 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 02:48:28,469 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 02:48:29,635 INFO L? ?]: Removed 415 outVars from TransFormulas that were not future-live. [2024-10-14 02:48:29,635 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 02:48:29,764 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 02:48:29,764 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-14 02:48:29,764 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 02:48:29 BoogieIcfgContainer [2024-10-14 02:48:29,765 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 02:48:29,767 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 02:48:29,767 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 02:48:29,772 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 02:48:29,772 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 02:48:27" (1/3) ... [2024-10-14 02:48:29,773 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c7073f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 02:48:29, skipping insertion in model container [2024-10-14 02:48:29,773 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:48:27" (2/3) ... [2024-10-14 02:48:29,773 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c7073f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 02:48:29, skipping insertion in model container [2024-10-14 02:48:29,773 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 02:48:29" (3/3) ... [2024-10-14 02:48:29,774 INFO L112 eAbstractionObserver]: Analyzing ICFG elevator_spec9_product09.cil.c [2024-10-14 02:48:29,796 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 02:48:29,797 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-14 02:48:29,890 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 02:48:29,898 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;@6aa7561a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 02:48:29,898 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-14 02:48:29,905 INFO L276 IsEmpty]: Start isEmpty. Operand has 498 states, 393 states have (on average 1.7557251908396947) internal successors, (690), 414 states have internal predecessors, (690), 83 states have call successors, (83), 20 states have call predecessors, (83), 20 states have return successors, (83), 77 states have call predecessors, (83), 83 states have call successors, (83) [2024-10-14 02:48:29,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-10-14 02:48:29,928 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 02:48:29,929 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 02:48:29,930 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 02:48:29,935 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 02:48:29,936 INFO L85 PathProgramCache]: Analyzing trace with hash 1319455789, now seen corresponding path program 1 times [2024-10-14 02:48:29,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 02:48:29,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869688727] [2024-10-14 02:48:29,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:48:29,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 02:48:30,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:48:30,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 02:48:30,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:48:30,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 02:48:30,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:48:30,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 02:48:30,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:48:31,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-14 02:48:31,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:48:31,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 02:48:31,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:48:31,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 02:48:31,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:48:31,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 02:48:31,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:48:31,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-14 02:48:31,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:48:31,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-14 02:48:31,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:48:31,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 02:48:31,170 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 02:48:31,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1869688727] [2024-10-14 02:48:31,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1869688727] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 02:48:31,171 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 02:48:31,171 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 02:48:31,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143336815] [2024-10-14 02:48:31,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 02:48:31,178 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 02:48:31,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 02:48:31,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 02:48:31,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-10-14 02:48:31,213 INFO L87 Difference]: Start difference. First operand has 498 states, 393 states have (on average 1.7557251908396947) internal successors, (690), 414 states have internal predecessors, (690), 83 states have call successors, (83), 20 states have call predecessors, (83), 20 states have return successors, (83), 77 states have call predecessors, (83), 83 states have call successors, (83) Second operand has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (10), 5 states have call predecessors, (10), 3 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-14 02:48:36,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 02:48:36,549 INFO L93 Difference]: Finished difference Result 1208 states and 2120 transitions. [2024-10-14 02:48:36,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-14 02:48:36,552 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (10), 5 states have call predecessors, (10), 3 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 67 [2024-10-14 02:48:36,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 02:48:36,584 INFO L225 Difference]: With dead ends: 1208 [2024-10-14 02:48:36,586 INFO L226 Difference]: Without dead ends: 719 [2024-10-14 02:48:36,599 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2024-10-14 02:48:36,603 INFO L432 NwaCegarLoop]: 397 mSDtfsCounter, 1318 mSDsluCounter, 1077 mSDsCounter, 0 mSdLazyCounter, 2866 mSolverCounterSat, 311 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1381 SdHoareTripleChecker+Valid, 1474 SdHoareTripleChecker+Invalid, 3177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 311 IncrementalHoareTripleChecker+Valid, 2866 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-10-14 02:48:36,605 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1381 Valid, 1474 Invalid, 3177 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [311 Valid, 2866 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2024-10-14 02:48:36,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 719 states. [2024-10-14 02:48:36,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 719 to 494. [2024-10-14 02:48:36,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 494 states, 391 states have (on average 1.7442455242966752) internal successors, (682), 410 states have internal predecessors, (682), 83 states have call successors, (83), 20 states have call predecessors, (83), 19 states have return successors, (78), 76 states have call predecessors, (78), 78 states have call successors, (78) [2024-10-14 02:48:36,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 494 states and 843 transitions. [2024-10-14 02:48:36,813 INFO L78 Accepts]: Start accepts. Automaton has 494 states and 843 transitions. Word has length 67 [2024-10-14 02:48:36,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 02:48:36,814 INFO L471 AbstractCegarLoop]: Abstraction has 494 states and 843 transitions. [2024-10-14 02:48:36,814 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (10), 5 states have call predecessors, (10), 3 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-14 02:48:36,815 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 843 transitions. [2024-10-14 02:48:36,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-10-14 02:48:36,822 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 02:48:36,823 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 02:48:36,823 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 02:48:36,823 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 02:48:36,824 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 02:48:36,824 INFO L85 PathProgramCache]: Analyzing trace with hash -1990511285, now seen corresponding path program 1 times [2024-10-14 02:48:36,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 02:48:36,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440236631] [2024-10-14 02:48:36,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:48:36,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 02:48:36,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:48:37,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 02:48:37,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:48:37,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 02:48:37,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:48:37,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 02:48:37,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:48:37,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 02:48:37,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:48:37,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 02:48:37,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:48:37,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 02:48:37,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:48:37,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 02:48:37,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:48:37,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-14 02:48:37,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:48:37,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-14 02:48:37,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:48:37,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 02:48:37,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 02:48:37,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440236631] [2024-10-14 02:48:37,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1440236631] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 02:48:37,458 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 02:48:37,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 02:48:37,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721518637] [2024-10-14 02:48:37,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 02:48:37,460 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 02:48:37,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 02:48:37,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 02:48:37,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-10-14 02:48:37,461 INFO L87 Difference]: Start difference. First operand 494 states and 843 transitions. Second operand has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (10), 5 states have call predecessors, (10), 3 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-14 02:48:41,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 02:48:41,775 INFO L93 Difference]: Finished difference Result 1201 states and 2089 transitions. [2024-10-14 02:48:41,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-14 02:48:41,776 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (10), 5 states have call predecessors, (10), 3 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 69 [2024-10-14 02:48:41,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 02:48:41,782 INFO L225 Difference]: With dead ends: 1201 [2024-10-14 02:48:41,782 INFO L226 Difference]: Without dead ends: 719 [2024-10-14 02:48:41,784 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2024-10-14 02:48:41,786 INFO L432 NwaCegarLoop]: 386 mSDtfsCounter, 1330 mSDsluCounter, 1043 mSDsCounter, 0 mSdLazyCounter, 2721 mSolverCounterSat, 325 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1393 SdHoareTripleChecker+Valid, 1429 SdHoareTripleChecker+Invalid, 3046 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 325 IncrementalHoareTripleChecker+Valid, 2721 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2024-10-14 02:48:41,786 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1393 Valid, 1429 Invalid, 3046 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [325 Valid, 2721 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2024-10-14 02:48:41,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 719 states. [2024-10-14 02:48:41,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 719 to 494. [2024-10-14 02:48:41,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 494 states, 391 states have (on average 1.741687979539642) internal successors, (681), 410 states have internal predecessors, (681), 83 states have call successors, (83), 20 states have call predecessors, (83), 19 states have return successors, (78), 76 states have call predecessors, (78), 78 states have call successors, (78) [2024-10-14 02:48:41,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 494 states and 842 transitions. [2024-10-14 02:48:41,893 INFO L78 Accepts]: Start accepts. Automaton has 494 states and 842 transitions. Word has length 69 [2024-10-14 02:48:41,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 02:48:41,893 INFO L471 AbstractCegarLoop]: Abstraction has 494 states and 842 transitions. [2024-10-14 02:48:41,893 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (10), 5 states have call predecessors, (10), 3 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-14 02:48:41,894 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 842 transitions. [2024-10-14 02:48:41,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-10-14 02:48:41,898 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 02:48:41,899 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 02:48:41,899 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 02:48:41,899 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 02:48:41,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 02:48:41,900 INFO L85 PathProgramCache]: Analyzing trace with hash 1023183699, now seen corresponding path program 1 times [2024-10-14 02:48:41,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 02:48:41,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093243651] [2024-10-14 02:48:41,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:48:41,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 02:48:41,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:48:42,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 02:48:42,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:48:42,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 02:48:42,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:48:42,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-14 02:48:42,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:48:42,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-14 02:48:42,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:48:42,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 02:48:42,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:48:42,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 02:48:42,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:48:42,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 02:48:42,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:48:42,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-14 02:48:42,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:48:42,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-14 02:48:42,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:48:42,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 02:48:42,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 02:48:42,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1093243651] [2024-10-14 02:48:42,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1093243651] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 02:48:42,561 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 02:48:42,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 02:48:42,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749173466] [2024-10-14 02:48:42,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 02:48:42,562 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 02:48:42,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 02:48:42,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 02:48:42,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-10-14 02:48:42,563 INFO L87 Difference]: Start difference. First operand 494 states and 842 transitions. Second operand has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (10), 5 states have call predecessors, (10), 3 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-14 02:48:46,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 02:48:46,567 INFO L93 Difference]: Finished difference Result 1201 states and 2088 transitions. [2024-10-14 02:48:46,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-14 02:48:46,567 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (10), 5 states have call predecessors, (10), 3 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 70 [2024-10-14 02:48:46,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 02:48:46,574 INFO L225 Difference]: With dead ends: 1201 [2024-10-14 02:48:46,574 INFO L226 Difference]: Without dead ends: 719 [2024-10-14 02:48:46,576 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2024-10-14 02:48:46,577 INFO L432 NwaCegarLoop]: 392 mSDtfsCounter, 1731 mSDsluCounter, 1014 mSDsCounter, 0 mSdLazyCounter, 2677 mSolverCounterSat, 439 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1794 SdHoareTripleChecker+Valid, 1406 SdHoareTripleChecker+Invalid, 3116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 439 IncrementalHoareTripleChecker+Valid, 2677 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2024-10-14 02:48:46,579 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1794 Valid, 1406 Invalid, 3116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [439 Valid, 2677 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2024-10-14 02:48:46,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 719 states. [2024-10-14 02:48:46,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 719 to 494. [2024-10-14 02:48:46,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 494 states, 391 states have (on average 1.7391304347826086) internal successors, (680), 410 states have internal predecessors, (680), 83 states have call successors, (83), 20 states have call predecessors, (83), 19 states have return successors, (78), 76 states have call predecessors, (78), 78 states have call successors, (78) [2024-10-14 02:48:46,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 494 states and 841 transitions. [2024-10-14 02:48:46,700 INFO L78 Accepts]: Start accepts. Automaton has 494 states and 841 transitions. Word has length 70 [2024-10-14 02:48:46,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 02:48:46,701 INFO L471 AbstractCegarLoop]: Abstraction has 494 states and 841 transitions. [2024-10-14 02:48:46,701 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (10), 5 states have call predecessors, (10), 3 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-14 02:48:46,701 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 841 transitions. [2024-10-14 02:48:46,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-10-14 02:48:46,708 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 02:48:46,708 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 02:48:46,708 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 02:48:46,709 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 02:48:46,709 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 02:48:46,709 INFO L85 PathProgramCache]: Analyzing trace with hash 1316992199, now seen corresponding path program 1 times [2024-10-14 02:48:46,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 02:48:46,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741011327] [2024-10-14 02:48:46,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:48:46,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 02:48:46,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:48:46,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 02:48:46,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:48:46,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 02:48:46,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:48:47,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-14 02:48:47,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:48:47,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 02:48:47,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:48:47,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 02:48:47,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:48:47,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 02:48:47,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:48:47,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 02:48:47,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:48:47,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-14 02:48:47,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:48:47,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-14 02:48:47,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:48:47,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 02:48:47,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 02:48:47,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [741011327] [2024-10-14 02:48:47,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [741011327] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 02:48:47,313 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 02:48:47,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 02:48:47,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120133812] [2024-10-14 02:48:47,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 02:48:47,313 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 02:48:47,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 02:48:47,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 02:48:47,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-10-14 02:48:47,315 INFO L87 Difference]: Start difference. First operand 494 states and 841 transitions. Second operand has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (10), 5 states have call predecessors, (10), 3 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-14 02:48:51,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 02:48:51,233 INFO L93 Difference]: Finished difference Result 1201 states and 2087 transitions. [2024-10-14 02:48:51,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-14 02:48:51,233 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (10), 5 states have call predecessors, (10), 3 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 71 [2024-10-14 02:48:51,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 02:48:51,238 INFO L225 Difference]: With dead ends: 1201 [2024-10-14 02:48:51,238 INFO L226 Difference]: Without dead ends: 719 [2024-10-14 02:48:51,240 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2024-10-14 02:48:51,241 INFO L432 NwaCegarLoop]: 391 mSDtfsCounter, 1729 mSDsluCounter, 1012 mSDsCounter, 0 mSdLazyCounter, 2672 mSolverCounterSat, 444 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1792 SdHoareTripleChecker+Valid, 1403 SdHoareTripleChecker+Invalid, 3116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 444 IncrementalHoareTripleChecker+Valid, 2672 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2024-10-14 02:48:51,242 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1792 Valid, 1403 Invalid, 3116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [444 Valid, 2672 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2024-10-14 02:48:51,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 719 states. [2024-10-14 02:48:51,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 719 to 494. [2024-10-14 02:48:51,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 494 states, 391 states have (on average 1.7365728900255755) internal successors, (679), 410 states have internal predecessors, (679), 83 states have call successors, (83), 20 states have call predecessors, (83), 19 states have return successors, (78), 76 states have call predecessors, (78), 78 states have call successors, (78) [2024-10-14 02:48:51,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 494 states and 840 transitions. [2024-10-14 02:48:51,329 INFO L78 Accepts]: Start accepts. Automaton has 494 states and 840 transitions. Word has length 71 [2024-10-14 02:48:51,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 02:48:51,330 INFO L471 AbstractCegarLoop]: Abstraction has 494 states and 840 transitions. [2024-10-14 02:48:51,330 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (10), 5 states have call predecessors, (10), 3 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-14 02:48:51,330 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 840 transitions. [2024-10-14 02:48:51,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-10-14 02:48:51,332 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 02:48:51,333 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 02:48:51,333 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-14 02:48:51,333 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 02:48:51,333 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 02:48:51,334 INFO L85 PathProgramCache]: Analyzing trace with hash -1101301681, now seen corresponding path program 1 times [2024-10-14 02:48:51,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 02:48:51,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732878724] [2024-10-14 02:48:51,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:48:51,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 02:48:51,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:48:51,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 02:48:51,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:48:51,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 02:48:51,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:48:51,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 02:48:51,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:48:51,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 02:48:51,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:48:51,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 02:48:51,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:48:51,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 02:48:51,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:48:51,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 02:48:51,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:48:51,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-14 02:48:51,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:48:51,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-14 02:48:51,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:48:51,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 02:48:51,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 02:48:51,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1732878724] [2024-10-14 02:48:51,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1732878724] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 02:48:51,882 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 02:48:51,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 02:48:51,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063833561] [2024-10-14 02:48:51,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 02:48:51,883 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 02:48:51,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 02:48:51,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 02:48:51,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-10-14 02:48:51,884 INFO L87 Difference]: Start difference. First operand 494 states and 840 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, (10), 5 states have call predecessors, (10), 3 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-14 02:48:55,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 02:48:55,709 INFO L93 Difference]: Finished difference Result 1201 states and 2086 transitions. [2024-10-14 02:48:55,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-14 02:48:55,710 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, (10), 5 states have call predecessors, (10), 3 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 72 [2024-10-14 02:48:55,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 02:48:55,715 INFO L225 Difference]: With dead ends: 1201 [2024-10-14 02:48:55,715 INFO L226 Difference]: Without dead ends: 719 [2024-10-14 02:48:55,717 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2024-10-14 02:48:55,718 INFO L432 NwaCegarLoop]: 392 mSDtfsCounter, 1723 mSDsluCounter, 1014 mSDsCounter, 0 mSdLazyCounter, 2675 mSolverCounterSat, 439 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1786 SdHoareTripleChecker+Valid, 1406 SdHoareTripleChecker+Invalid, 3114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 439 IncrementalHoareTripleChecker+Valid, 2675 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2024-10-14 02:48:55,718 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1786 Valid, 1406 Invalid, 3114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [439 Valid, 2675 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2024-10-14 02:48:55,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 719 states. [2024-10-14 02:48:55,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 719 to 494. [2024-10-14 02:48:55,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 494 states, 391 states have (on average 1.7340153452685423) internal successors, (678), 410 states have internal predecessors, (678), 83 states have call successors, (83), 20 states have call predecessors, (83), 19 states have return successors, (78), 76 states have call predecessors, (78), 78 states have call successors, (78) [2024-10-14 02:48:55,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 494 states and 839 transitions. [2024-10-14 02:48:55,821 INFO L78 Accepts]: Start accepts. Automaton has 494 states and 839 transitions. Word has length 72 [2024-10-14 02:48:55,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 02:48:55,821 INFO L471 AbstractCegarLoop]: Abstraction has 494 states and 839 transitions. [2024-10-14 02:48:55,821 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, (10), 5 states have call predecessors, (10), 3 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-14 02:48:55,821 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 839 transitions. [2024-10-14 02:48:55,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-10-14 02:48:55,824 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 02:48:55,824 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 02:48:55,824 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-14 02:48:55,824 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 02:48:55,825 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 02:48:55,825 INFO L85 PathProgramCache]: Analyzing trace with hash -1695423421, now seen corresponding path program 1 times [2024-10-14 02:48:55,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 02:48:55,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764243573] [2024-10-14 02:48:55,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:48:55,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 02:48:55,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:48:56,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 02:48:56,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:48:56,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 02:48:56,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:48:56,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 02:48:56,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:48:56,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-14 02:48:56,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:48:56,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 02:48:56,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:48:56,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 02:48:56,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:48:56,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 02:48:56,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:48:56,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-14 02:48:56,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:48:56,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-14 02:48:56,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:48:56,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 02:48:56,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 02:48:56,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764243573] [2024-10-14 02:48:56,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [764243573] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 02:48:56,479 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 02:48:56,480 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-14 02:48:56,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392178144] [2024-10-14 02:48:56,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 02:48:56,480 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-14 02:48:56,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 02:48:56,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-14 02:48:56,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-10-14 02:48:56,481 INFO L87 Difference]: Start difference. First operand 494 states and 839 transitions. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 6 states have internal predecessors, (54), 2 states have call successors, (10), 5 states have call predecessors, (10), 4 states have return successors, (9), 3 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-14 02:49:01,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 02:49:01,723 INFO L93 Difference]: Finished difference Result 1177 states and 2042 transitions. [2024-10-14 02:49:01,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-14 02:49:01,723 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 6 states have internal predecessors, (54), 2 states have call successors, (10), 5 states have call predecessors, (10), 4 states have return successors, (9), 3 states have call predecessors, (9), 2 states have call successors, (9) Word has length 73 [2024-10-14 02:49:01,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 02:49:01,729 INFO L225 Difference]: With dead ends: 1177 [2024-10-14 02:49:01,729 INFO L226 Difference]: Without dead ends: 735 [2024-10-14 02:49:01,731 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=75, Invalid=267, Unknown=0, NotChecked=0, Total=342 [2024-10-14 02:49:01,732 INFO L432 NwaCegarLoop]: 393 mSDtfsCounter, 1800 mSDsluCounter, 2147 mSDsCounter, 0 mSdLazyCounter, 4991 mSolverCounterSat, 449 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1865 SdHoareTripleChecker+Valid, 2540 SdHoareTripleChecker+Invalid, 5440 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 449 IncrementalHoareTripleChecker+Valid, 4991 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2024-10-14 02:49:01,733 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1865 Valid, 2540 Invalid, 5440 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [449 Valid, 4991 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2024-10-14 02:49:01,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 735 states. [2024-10-14 02:49:01,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 735 to 498. [2024-10-14 02:49:01,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 498 states, 394 states have (on average 1.715736040609137) internal successors, (676), 413 states have internal predecessors, (676), 83 states have call successors, (83), 20 states have call predecessors, (83), 20 states have return successors, (80), 77 states have call predecessors, (80), 78 states have call successors, (80) [2024-10-14 02:49:01,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 498 states and 839 transitions. [2024-10-14 02:49:01,858 INFO L78 Accepts]: Start accepts. Automaton has 498 states and 839 transitions. Word has length 73 [2024-10-14 02:49:01,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 02:49:01,859 INFO L471 AbstractCegarLoop]: Abstraction has 498 states and 839 transitions. [2024-10-14 02:49:01,859 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 6 states have internal predecessors, (54), 2 states have call successors, (10), 5 states have call predecessors, (10), 4 states have return successors, (9), 3 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-14 02:49:01,859 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 839 transitions. [2024-10-14 02:49:01,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-10-14 02:49:01,863 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 02:49:01,864 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 02:49:01,864 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-14 02:49:01,865 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 02:49:01,865 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 02:49:01,865 INFO L85 PathProgramCache]: Analyzing trace with hash 957418596, now seen corresponding path program 1 times [2024-10-14 02:49:01,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 02:49:01,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256470708] [2024-10-14 02:49:01,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:49:01,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 02:49:01,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:49:02,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 02:49:02,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:49:02,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 02:49:02,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:49:02,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 02:49:02,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:49:02,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 02:49:02,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:49:02,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 02:49:02,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:49:02,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 02:49:02,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:49:02,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 02:49:02,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:49:02,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 02:49:02,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:49:02,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-14 02:49:02,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:49:02,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 02:49:02,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 02:49:02,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256470708] [2024-10-14 02:49:02,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [256470708] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 02:49:02,700 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 02:49:02,700 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-10-14 02:49:02,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538542784] [2024-10-14 02:49:02,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 02:49:02,700 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-10-14 02:49:02,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 02:49:02,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-10-14 02:49:02,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=237, Unknown=0, NotChecked=0, Total=272 [2024-10-14 02:49:02,701 INFO L87 Difference]: Start difference. First operand 498 states and 839 transitions. Second operand has 17 states, 16 states have (on average 3.6875) internal successors, (59), 13 states have internal predecessors, (59), 3 states have call successors, (10), 5 states have call predecessors, (10), 5 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-10-14 02:49:14,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 02:49:14,935 INFO L93 Difference]: Finished difference Result 1733 states and 3086 transitions. [2024-10-14 02:49:14,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-10-14 02:49:14,935 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 3.6875) internal successors, (59), 13 states have internal predecessors, (59), 3 states have call successors, (10), 5 states have call predecessors, (10), 5 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 78 [2024-10-14 02:49:14,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 02:49:14,946 INFO L225 Difference]: With dead ends: 1733 [2024-10-14 02:49:14,946 INFO L226 Difference]: Without dead ends: 1295 [2024-10-14 02:49:14,951 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 442 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=350, Invalid=1630, Unknown=0, NotChecked=0, Total=1980 [2024-10-14 02:49:14,952 INFO L432 NwaCegarLoop]: 403 mSDtfsCounter, 2383 mSDsluCounter, 4359 mSDsCounter, 0 mSdLazyCounter, 9957 mSolverCounterSat, 639 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2448 SdHoareTripleChecker+Valid, 4762 SdHoareTripleChecker+Invalid, 10596 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 639 IncrementalHoareTripleChecker+Valid, 9957 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2024-10-14 02:49:14,952 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2448 Valid, 4762 Invalid, 10596 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [639 Valid, 9957 Invalid, 0 Unknown, 0 Unchecked, 7.0s Time] [2024-10-14 02:49:14,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1295 states. [2024-10-14 02:49:15,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1295 to 904. [2024-10-14 02:49:15,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 904 states, 711 states have (on average 1.6933895921237694) internal successors, (1204), 746 states have internal predecessors, (1204), 152 states have call successors, (152), 37 states have call predecessors, (152), 40 states have return successors, (160), 144 states have call predecessors, (160), 147 states have call successors, (160) [2024-10-14 02:49:15,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 904 states to 904 states and 1516 transitions. [2024-10-14 02:49:15,184 INFO L78 Accepts]: Start accepts. Automaton has 904 states and 1516 transitions. Word has length 78 [2024-10-14 02:49:15,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 02:49:15,184 INFO L471 AbstractCegarLoop]: Abstraction has 904 states and 1516 transitions. [2024-10-14 02:49:15,185 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 3.6875) internal successors, (59), 13 states have internal predecessors, (59), 3 states have call successors, (10), 5 states have call predecessors, (10), 5 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-10-14 02:49:15,185 INFO L276 IsEmpty]: Start isEmpty. Operand 904 states and 1516 transitions. [2024-10-14 02:49:15,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-10-14 02:49:15,188 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 02:49:15,188 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 02:49:15,188 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-14 02:49:15,189 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 02:49:15,189 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 02:49:15,189 INFO L85 PathProgramCache]: Analyzing trace with hash -1112908660, now seen corresponding path program 1 times [2024-10-14 02:49:15,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 02:49:15,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862896931] [2024-10-14 02:49:15,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:49:15,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 02:49:15,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:49:15,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 02:49:15,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:49:15,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 02:49:15,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:49:15,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 02:49:15,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:49:15,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 02:49:15,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:49:15,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 02:49:15,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:49:15,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 02:49:15,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:49:15,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 02:49:15,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:49:15,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 02:49:15,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:49:15,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 02:49:15,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:49:15,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-14 02:49:15,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:49:15,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 02:49:15,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 02:49:15,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862896931] [2024-10-14 02:49:15,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1862896931] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 02:49:15,925 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 02:49:15,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-14 02:49:15,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335252072] [2024-10-14 02:49:15,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 02:49:15,926 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-14 02:49:15,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 02:49:15,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-14 02:49:15,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-10-14 02:49:15,927 INFO L87 Difference]: Start difference. First operand 904 states and 1516 transitions. Second operand has 11 states, 11 states have (on average 6.090909090909091) internal successors, (67), 7 states have internal predecessors, (67), 3 states have call successors, (11), 5 states have call predecessors, (11), 4 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-10-14 02:49:21,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 02:49:21,485 INFO L93 Difference]: Finished difference Result 2244 states and 3901 transitions. [2024-10-14 02:49:21,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-14 02:49:21,486 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.090909090909091) internal successors, (67), 7 states have internal predecessors, (67), 3 states have call successors, (11), 5 states have call predecessors, (11), 4 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 88 [2024-10-14 02:49:21,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 02:49:21,495 INFO L225 Difference]: With dead ends: 2244 [2024-10-14 02:49:21,495 INFO L226 Difference]: Without dead ends: 1279 [2024-10-14 02:49:21,499 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=72, Invalid=234, Unknown=0, NotChecked=0, Total=306 [2024-10-14 02:49:21,500 INFO L432 NwaCegarLoop]: 398 mSDtfsCounter, 2078 mSDsluCounter, 2220 mSDsCounter, 0 mSdLazyCounter, 5138 mSolverCounterSat, 414 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2134 SdHoareTripleChecker+Valid, 2618 SdHoareTripleChecker+Invalid, 5552 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 414 IncrementalHoareTripleChecker+Valid, 5138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-10-14 02:49:21,500 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2134 Valid, 2618 Invalid, 5552 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [414 Valid, 5138 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2024-10-14 02:49:21,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1279 states. [2024-10-14 02:49:21,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1279 to 906. [2024-10-14 02:49:21,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 906 states, 712 states have (on average 1.6657303370786516) internal successors, (1186), 748 states have internal predecessors, (1186), 152 states have call successors, (152), 37 states have call predecessors, (152), 41 states have return successors, (162), 144 states have call predecessors, (162), 147 states have call successors, (162) [2024-10-14 02:49:21,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 906 states to 906 states and 1500 transitions. [2024-10-14 02:49:21,716 INFO L78 Accepts]: Start accepts. Automaton has 906 states and 1500 transitions. Word has length 88 [2024-10-14 02:49:21,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 02:49:21,717 INFO L471 AbstractCegarLoop]: Abstraction has 906 states and 1500 transitions. [2024-10-14 02:49:21,717 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.090909090909091) internal successors, (67), 7 states have internal predecessors, (67), 3 states have call successors, (11), 5 states have call predecessors, (11), 4 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-10-14 02:49:21,717 INFO L276 IsEmpty]: Start isEmpty. Operand 906 states and 1500 transitions. [2024-10-14 02:49:21,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-10-14 02:49:21,720 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 02:49:21,720 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 02:49:21,720 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-14 02:49:21,720 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 02:49:21,721 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 02:49:21,721 INFO L85 PathProgramCache]: Analyzing trace with hash 199635609, now seen corresponding path program 1 times [2024-10-14 02:49:21,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 02:49:21,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583937883] [2024-10-14 02:49:21,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:49:21,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 02:49:21,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:49:21,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 02:49:21,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:49:21,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 02:49:21,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:49:21,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 02:49:21,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:49:22,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-14 02:49:22,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:49:22,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 02:49:22,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:49:22,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 02:49:22,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:49:22,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 02:49:22,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:49:22,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-14 02:49:22,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:49:22,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 02:49:22,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:49:22,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 02:49:22,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:49:22,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-14 02:49:22,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:49:22,396 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-14 02:49:22,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 02:49:22,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [583937883] [2024-10-14 02:49:22,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [583937883] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 02:49:22,396 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 02:49:22,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-14 02:49:22,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26197830] [2024-10-14 02:49:22,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 02:49:22,397 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-14 02:49:22,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 02:49:22,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-14 02:49:22,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2024-10-14 02:49:22,399 INFO L87 Difference]: Start difference. First operand 906 states and 1500 transitions. Second operand has 12 states, 11 states have (on average 6.2727272727272725) internal successors, (69), 8 states have internal predecessors, (69), 3 states have call successors, (12), 5 states have call predecessors, (12), 5 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-10-14 02:49:28,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 02:49:28,790 INFO L93 Difference]: Finished difference Result 2176 states and 3752 transitions. [2024-10-14 02:49:28,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-14 02:49:28,791 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.2727272727272725) internal successors, (69), 8 states have internal predecessors, (69), 3 states have call successors, (12), 5 states have call predecessors, (12), 5 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 92 [2024-10-14 02:49:28,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 02:49:28,800 INFO L225 Difference]: With dead ends: 2176 [2024-10-14 02:49:28,800 INFO L226 Difference]: Without dead ends: 1326 [2024-10-14 02:49:28,803 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=99, Invalid=453, Unknown=0, NotChecked=0, Total=552 [2024-10-14 02:49:28,806 INFO L432 NwaCegarLoop]: 434 mSDtfsCounter, 1453 mSDsluCounter, 3212 mSDsCounter, 0 mSdLazyCounter, 6520 mSolverCounterSat, 351 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1515 SdHoareTripleChecker+Valid, 3646 SdHoareTripleChecker+Invalid, 6871 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 351 IncrementalHoareTripleChecker+Valid, 6520 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-10-14 02:49:28,806 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1515 Valid, 3646 Invalid, 6871 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [351 Valid, 6520 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2024-10-14 02:49:28,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1326 states. [2024-10-14 02:49:29,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1326 to 918. [2024-10-14 02:49:29,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 918 states, 718 states have (on average 1.6532033426183843) internal successors, (1187), 758 states have internal predecessors, (1187), 154 states have call successors, (154), 37 states have call predecessors, (154), 45 states have return successors, (174), 146 states have call predecessors, (174), 149 states have call successors, (174) [2024-10-14 02:49:29,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 918 states to 918 states and 1515 transitions. [2024-10-14 02:49:29,059 INFO L78 Accepts]: Start accepts. Automaton has 918 states and 1515 transitions. Word has length 92 [2024-10-14 02:49:29,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 02:49:29,060 INFO L471 AbstractCegarLoop]: Abstraction has 918 states and 1515 transitions. [2024-10-14 02:49:29,061 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.2727272727272725) internal successors, (69), 8 states have internal predecessors, (69), 3 states have call successors, (12), 5 states have call predecessors, (12), 5 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-10-14 02:49:29,061 INFO L276 IsEmpty]: Start isEmpty. Operand 918 states and 1515 transitions. [2024-10-14 02:49:29,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-10-14 02:49:29,063 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 02:49:29,063 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 02:49:29,063 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-14 02:49:29,064 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 02:49:29,064 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 02:49:29,064 INFO L85 PathProgramCache]: Analyzing trace with hash 337416477, now seen corresponding path program 1 times [2024-10-14 02:49:29,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 02:49:29,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121369828] [2024-10-14 02:49:29,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:49:29,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 02:49:29,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:49:29,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 02:49:29,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:49:29,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 02:49:29,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:49:29,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 02:49:29,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:49:29,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 02:49:29,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:49:29,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 02:49:29,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:49:29,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 02:49:29,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:49:29,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 02:49:29,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:49:29,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-14 02:49:29,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:49:29,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 02:49:29,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:49:29,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 02:49:29,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:49:29,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-14 02:49:29,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:49:29,580 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-14 02:49:29,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 02:49:29,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [121369828] [2024-10-14 02:49:29,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [121369828] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 02:49:29,580 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 02:49:29,580 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 02:49:29,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527350689] [2024-10-14 02:49:29,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 02:49:29,581 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 02:49:29,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 02:49:29,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 02:49:29,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-10-14 02:49:29,582 INFO L87 Difference]: Start difference. First operand 918 states and 1515 transitions. Second operand has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (12), 5 states have call predecessors, (12), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-10-14 02:49:33,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 02:49:33,426 INFO L93 Difference]: Finished difference Result 2145 states and 3664 transitions. [2024-10-14 02:49:33,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 02:49:33,427 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (12), 5 states have call predecessors, (12), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 93 [2024-10-14 02:49:33,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 02:49:33,437 INFO L225 Difference]: With dead ends: 2145 [2024-10-14 02:49:33,438 INFO L226 Difference]: Without dead ends: 1283 [2024-10-14 02:49:33,442 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2024-10-14 02:49:33,443 INFO L432 NwaCegarLoop]: 391 mSDtfsCounter, 1351 mSDsluCounter, 1061 mSDsCounter, 0 mSdLazyCounter, 2683 mSolverCounterSat, 324 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1414 SdHoareTripleChecker+Valid, 1452 SdHoareTripleChecker+Invalid, 3007 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 324 IncrementalHoareTripleChecker+Valid, 2683 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2024-10-14 02:49:33,443 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1414 Valid, 1452 Invalid, 3007 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [324 Valid, 2683 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2024-10-14 02:49:33,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1283 states. [2024-10-14 02:49:33,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1283 to 918. [2024-10-14 02:49:33,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 918 states, 718 states have (on average 1.6462395543175488) internal successors, (1182), 758 states have internal predecessors, (1182), 154 states have call successors, (154), 37 states have call predecessors, (154), 45 states have return successors, (174), 146 states have call predecessors, (174), 149 states have call successors, (174) [2024-10-14 02:49:33,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 918 states to 918 states and 1510 transitions. [2024-10-14 02:49:33,707 INFO L78 Accepts]: Start accepts. Automaton has 918 states and 1510 transitions. Word has length 93 [2024-10-14 02:49:33,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 02:49:33,707 INFO L471 AbstractCegarLoop]: Abstraction has 918 states and 1510 transitions. [2024-10-14 02:49:33,707 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (12), 5 states have call predecessors, (12), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-10-14 02:49:33,707 INFO L276 IsEmpty]: Start isEmpty. Operand 918 states and 1510 transitions. [2024-10-14 02:49:33,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-10-14 02:49:33,710 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 02:49:33,710 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 02:49:33,711 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-14 02:49:33,711 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 02:49:33,711 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 02:49:33,711 INFO L85 PathProgramCache]: Analyzing trace with hash 953325084, now seen corresponding path program 1 times [2024-10-14 02:49:33,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 02:49:33,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16092507] [2024-10-14 02:49:33,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:49:33,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 02:49:33,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:49:33,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 02:49:33,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:49:33,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 02:49:33,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:49:33,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 02:49:33,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:49:34,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 02:49:34,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:49:34,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 02:49:34,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:49:34,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 02:49:34,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:49:34,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 02:49:34,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:49:34,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-14 02:49:34,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:49:34,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 02:49:34,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:49:34,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 02:49:34,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:49:34,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-14 02:49:34,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:49:34,236 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-14 02:49:34,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 02:49:34,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [16092507] [2024-10-14 02:49:34,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [16092507] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 02:49:34,236 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 02:49:34,236 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 02:49:34,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787807648] [2024-10-14 02:49:34,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 02:49:34,237 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 02:49:34,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 02:49:34,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 02:49:34,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-10-14 02:49:34,238 INFO L87 Difference]: Start difference. First operand 918 states and 1510 transitions. Second operand has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (12), 5 states have call predecessors, (12), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-10-14 02:49:38,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 02:49:38,470 INFO L93 Difference]: Finished difference Result 2171 states and 3690 transitions. [2024-10-14 02:49:38,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-14 02:49:38,470 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (12), 5 states have call predecessors, (12), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 93 [2024-10-14 02:49:38,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 02:49:38,478 INFO L225 Difference]: With dead ends: 2171 [2024-10-14 02:49:38,478 INFO L226 Difference]: Without dead ends: 1226 [2024-10-14 02:49:38,481 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2024-10-14 02:49:38,482 INFO L432 NwaCegarLoop]: 391 mSDtfsCounter, 873 mSDsluCounter, 1099 mSDsCounter, 0 mSdLazyCounter, 2740 mSolverCounterSat, 191 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 936 SdHoareTripleChecker+Valid, 1490 SdHoareTripleChecker+Invalid, 2931 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 191 IncrementalHoareTripleChecker+Valid, 2740 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2024-10-14 02:49:38,482 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [936 Valid, 1490 Invalid, 2931 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [191 Valid, 2740 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2024-10-14 02:49:38,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1226 states. [2024-10-14 02:49:38,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1226 to 879. [2024-10-14 02:49:38,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 879 states, 682 states have (on average 1.652492668621701) internal successors, (1127), 720 states have internal predecessors, (1127), 153 states have call successors, (153), 37 states have call predecessors, (153), 43 states have return successors, (171), 145 states have call predecessors, (171), 148 states have call successors, (171) [2024-10-14 02:49:38,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 879 states to 879 states and 1451 transitions. [2024-10-14 02:49:38,682 INFO L78 Accepts]: Start accepts. Automaton has 879 states and 1451 transitions. Word has length 93 [2024-10-14 02:49:38,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 02:49:38,683 INFO L471 AbstractCegarLoop]: Abstraction has 879 states and 1451 transitions. [2024-10-14 02:49:38,683 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (12), 5 states have call predecessors, (12), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-10-14 02:49:38,683 INFO L276 IsEmpty]: Start isEmpty. Operand 879 states and 1451 transitions. [2024-10-14 02:49:38,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-10-14 02:49:38,686 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 02:49:38,686 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 02:49:38,686 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-14 02:49:38,686 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 02:49:38,686 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 02:49:38,687 INFO L85 PathProgramCache]: Analyzing trace with hash 588295096, now seen corresponding path program 1 times [2024-10-14 02:49:38,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 02:49:38,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676623477] [2024-10-14 02:49:38,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:49:38,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 02:49:38,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:49:38,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 02:49:38,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:49:38,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 02:49:38,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:49:38,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 02:49:38,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:49:39,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-14 02:49:39,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:49:39,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 02:49:39,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:49:39,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 02:49:39,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:49:39,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 02:49:39,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:49:39,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-14 02:49:39,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:49:39,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 02:49:39,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:49:39,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 02:49:39,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:49:39,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-14 02:49:39,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:49:39,229 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-14 02:49:39,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 02:49:39,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676623477] [2024-10-14 02:49:39,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1676623477] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 02:49:39,230 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 02:49:39,230 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 02:49:39,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666417994] [2024-10-14 02:49:39,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 02:49:39,230 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 02:49:39,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 02:49:39,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 02:49:39,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-10-14 02:49:39,231 INFO L87 Difference]: Start difference. First operand 879 states and 1451 transitions. Second operand has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (12), 5 states have call predecessors, (12), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-10-14 02:49:43,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 02:49:43,246 INFO L93 Difference]: Finished difference Result 2074 states and 3546 transitions. [2024-10-14 02:49:43,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-14 02:49:43,246 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (12), 5 states have call predecessors, (12), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 95 [2024-10-14 02:49:43,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 02:49:43,256 INFO L225 Difference]: With dead ends: 2074 [2024-10-14 02:49:43,256 INFO L226 Difference]: Without dead ends: 1226 [2024-10-14 02:49:43,260 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2024-10-14 02:49:43,260 INFO L432 NwaCegarLoop]: 395 mSDtfsCounter, 1193 mSDsluCounter, 1069 mSDsCounter, 0 mSdLazyCounter, 2548 mSolverCounterSat, 311 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1256 SdHoareTripleChecker+Valid, 1464 SdHoareTripleChecker+Invalid, 2859 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 311 IncrementalHoareTripleChecker+Valid, 2548 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2024-10-14 02:49:43,260 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1256 Valid, 1464 Invalid, 2859 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [311 Valid, 2548 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2024-10-14 02:49:43,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1226 states. [2024-10-14 02:49:43,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1226 to 879. [2024-10-14 02:49:43,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 879 states, 682 states have (on average 1.651026392961877) internal successors, (1126), 720 states have internal predecessors, (1126), 153 states have call successors, (153), 37 states have call predecessors, (153), 43 states have return successors, (171), 145 states have call predecessors, (171), 148 states have call successors, (171) [2024-10-14 02:49:43,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 879 states to 879 states and 1450 transitions. [2024-10-14 02:49:43,506 INFO L78 Accepts]: Start accepts. Automaton has 879 states and 1450 transitions. Word has length 95 [2024-10-14 02:49:43,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 02:49:43,508 INFO L471 AbstractCegarLoop]: Abstraction has 879 states and 1450 transitions. [2024-10-14 02:49:43,508 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (12), 5 states have call predecessors, (12), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-10-14 02:49:43,509 INFO L276 IsEmpty]: Start isEmpty. Operand 879 states and 1450 transitions. [2024-10-14 02:49:43,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-10-14 02:49:43,512 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 02:49:43,512 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 02:49:43,513 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-14 02:49:43,513 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 02:49:43,513 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 02:49:43,513 INFO L85 PathProgramCache]: Analyzing trace with hash 140548666, now seen corresponding path program 1 times [2024-10-14 02:49:43,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 02:49:43,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891836525] [2024-10-14 02:49:43,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:49:43,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 02:49:43,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:49:43,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 02:49:43,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:49:43,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 02:49:43,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:49:43,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 02:49:43,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:49:43,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-14 02:49:43,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:49:44,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 02:49:44,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:49:44,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 02:49:44,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:49:44,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 02:49:44,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:49:44,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-14 02:49:44,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:49:44,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 02:49:44,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:49:44,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 02:49:44,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:49:44,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-14 02:49:44,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:49:44,034 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-14 02:49:44,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 02:49:44,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1891836525] [2024-10-14 02:49:44,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1891836525] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 02:49:44,035 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 02:49:44,035 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 02:49:44,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941443551] [2024-10-14 02:49:44,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 02:49:44,036 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 02:49:44,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 02:49:44,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 02:49:44,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-10-14 02:49:44,037 INFO L87 Difference]: Start difference. First operand 879 states and 1450 transitions. Second operand has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (12), 5 states have call predecessors, (12), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11)