./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/elevator_spec9_product27.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e626dc6-9abd-47a2-97bc-0ddc45253463/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e626dc6-9abd-47a2-97bc-0ddc45253463/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e626dc6-9abd-47a2-97bc-0ddc45253463/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e626dc6-9abd-47a2-97bc-0ddc45253463/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/elevator_spec9_product27.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e626dc6-9abd-47a2-97bc-0ddc45253463/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e626dc6-9abd-47a2-97bc-0ddc45253463/bin/uautomizer-verify-qhAvR1uOyd --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 11bb1f05736dca729c358ce9b340534ff3d0ef3cd2b5d7b8f4dea43dade9112f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 13:32:01,686 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 13:32:01,766 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e626dc6-9abd-47a2-97bc-0ddc45253463/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-13 13:32:01,772 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 13:32:01,772 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 13:32:01,797 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 13:32:01,798 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 13:32:01,798 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 13:32:01,798 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 13:32:01,798 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 13:32:01,799 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 13:32:01,799 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 13:32:01,799 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 13:32:01,799 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 13:32:01,799 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 13:32:01,800 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 13:32:01,800 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 13:32:01,800 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 13:32:01,800 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 13:32:01,800 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 13:32:01,801 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 13:32:01,801 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 13:32:01,801 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 13:32:01,801 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 13:32:01,801 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 13:32:01,801 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 13:32:01,801 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 13:32:01,802 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 13:32:01,802 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 13:32:01,802 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 13:32:01,802 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 13:32:01,802 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 13:32:01,802 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:32:01,803 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 13:32:01,803 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 13:32:01,803 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 13:32:01,803 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 13:32:01,803 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 13:32:01,804 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 13:32:01,804 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 13:32:01,804 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 13:32:01,804 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 13:32:01,804 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e626dc6-9abd-47a2-97bc-0ddc45253463/bin/uautomizer-verify-qhAvR1uOyd 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 -> 11bb1f05736dca729c358ce9b340534ff3d0ef3cd2b5d7b8f4dea43dade9112f [2024-11-13 13:32:02,111 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 13:32:02,124 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 13:32:02,127 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 13:32:02,129 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 13:32:02,130 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 13:32:02,132 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e626dc6-9abd-47a2-97bc-0ddc45253463/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/product-lines/elevator_spec9_product27.cil.c Unable to find full path for "g++" [2024-11-13 13:32:04,112 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 13:32:04,547 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 13:32:04,548 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e626dc6-9abd-47a2-97bc-0ddc45253463/sv-benchmarks/c/product-lines/elevator_spec9_product27.cil.c [2024-11-13 13:32:04,570 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e626dc6-9abd-47a2-97bc-0ddc45253463/bin/uautomizer-verify-qhAvR1uOyd/data/aeb4bee69/e5739e2e450146e2aba9634486705bc3/FLAGee52d1322 [2024-11-13 13:32:04,589 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e626dc6-9abd-47a2-97bc-0ddc45253463/bin/uautomizer-verify-qhAvR1uOyd/data/aeb4bee69/e5739e2e450146e2aba9634486705bc3 [2024-11-13 13:32:04,594 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 13:32:04,596 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 13:32:04,597 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 13:32:04,597 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 13:32:04,602 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 13:32:04,602 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:32:04" (1/1) ... [2024-11-13 13:32:04,603 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@213cd7c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:32:04, skipping insertion in model container [2024-11-13 13:32:04,603 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:32:04" (1/1) ... [2024-11-13 13:32:04,664 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 13:32:05,201 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e626dc6-9abd-47a2-97bc-0ddc45253463/sv-benchmarks/c/product-lines/elevator_spec9_product27.cil.c[66437,66450] [2024-11-13 13:32:05,214 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:32:05,234 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 13:32:05,243 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [48] [2024-11-13 13:32:05,245 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"UnitTests.i","") [414] [2024-11-13 13:32:05,245 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [516] [2024-11-13 13:32:05,245 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Elevator.i","") [873] [2024-11-13 13:32:05,245 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Floor.i","") [2432] [2024-11-13 13:32:05,246 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [3093] [2024-11-13 13:32:05,246 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [3105] [2024-11-13 13:32:05,246 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification9_spec.i","") [3114] [2024-11-13 13:32:05,246 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [3273] [2024-11-13 13:32:05,246 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Person.i","") [3308] [2024-11-13 13:32:05,411 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e626dc6-9abd-47a2-97bc-0ddc45253463/sv-benchmarks/c/product-lines/elevator_spec9_product27.cil.c[66437,66450] [2024-11-13 13:32:05,428 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:32:05,478 INFO L204 MainTranslator]: Completed translation [2024-11-13 13:32:05,480 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:32:05 WrapperNode [2024-11-13 13:32:05,481 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 13:32:05,482 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 13:32:05,482 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 13:32:05,482 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 13:32:05,489 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:32:05" (1/1) ... [2024-11-13 13:32:05,532 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:32:05" (1/1) ... [2024-11-13 13:32:05,610 INFO L138 Inliner]: procedures = 95, calls = 339, calls flagged for inlining = 27, calls inlined = 24, statements flattened = 1120 [2024-11-13 13:32:05,616 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 13:32:05,617 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 13:32:05,617 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 13:32:05,617 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 13:32:05,628 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:32:05" (1/1) ... [2024-11-13 13:32:05,629 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:32:05" (1/1) ... [2024-11-13 13:32:05,643 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:32:05" (1/1) ... [2024-11-13 13:32:05,685 INFO L175 MemorySlicer]: Split 81 memory accesses to 20 slices as follows [2, 4, 4, 4, 2, 4, 4, 5, 3, 3, 5, 7, 4, 4, 4, 4, 4, 6, 4, 4]. 9 percent of accesses are in the largest equivalence class. The 81 initializations are split as follows [2, 4, 4, 4, 2, 4, 4, 5, 3, 3, 5, 7, 4, 4, 4, 4, 4, 6, 4, 4]. The 0 writes are split as follows [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]. [2024-11-13 13:32:05,686 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:32:05" (1/1) ... [2024-11-13 13:32:05,686 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:32:05" (1/1) ... [2024-11-13 13:32:05,722 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:32:05" (1/1) ... [2024-11-13 13:32:05,739 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:32:05" (1/1) ... [2024-11-13 13:32:05,743 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:32:05" (1/1) ... [2024-11-13 13:32:05,747 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:32:05" (1/1) ... [2024-11-13 13:32:05,754 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 13:32:05,755 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 13:32:05,755 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 13:32:05,756 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 13:32:05,756 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:32:05" (1/1) ... [2024-11-13 13:32:05,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:32:05,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e626dc6-9abd-47a2-97bc-0ddc45253463/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:32:05,822 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e626dc6-9abd-47a2-97bc-0ddc45253463/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 13:32:05,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e626dc6-9abd-47a2-97bc-0ddc45253463/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 13:32:05,863 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 13:32:05,863 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2024-11-13 13:32:05,864 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2024-11-13 13:32:05,864 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2024-11-13 13:32:05,864 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2024-11-13 13:32:05,864 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2024-11-13 13:32:05,864 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2024-11-13 13:32:05,864 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2024-11-13 13:32:05,864 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2024-11-13 13:32:05,865 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2024-11-13 13:32:05,865 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2024-11-13 13:32:05,865 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2024-11-13 13:32:05,865 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2024-11-13 13:32:05,865 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-11-13 13:32:05,865 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-11-13 13:32:05,865 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-11-13 13:32:05,865 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-11-13 13:32:05,866 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2024-11-13 13:32:05,866 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2024-11-13 13:32:05,866 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2024-11-13 13:32:05,866 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2024-11-13 13:32:05,866 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2024-11-13 13:32:05,866 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2024-11-13 13:32:05,866 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2024-11-13 13:32:05,866 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2024-11-13 13:32:05,867 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2024-11-13 13:32:05,867 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2024-11-13 13:32:05,867 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2024-11-13 13:32:05,867 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2024-11-13 13:32:05,867 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__empty [2024-11-13 13:32:05,867 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__empty [2024-11-13 13:32:05,867 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2024-11-13 13:32:05,867 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2024-11-13 13:32:05,868 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2024-11-13 13:32:05,868 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2024-11-13 13:32:05,868 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2024-11-13 13:32:05,868 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2024-11-13 13:32:05,868 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2024-11-13 13:32:05,868 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2024-11-13 13:32:05,868 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2024-11-13 13:32:05,868 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2024-11-13 13:32:05,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 13:32:05,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-13 13:32:05,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-13 13:32:05,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-13 13:32:05,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-13 13:32:05,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-13 13:32:05,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-13 13:32:05,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-13 13:32:05,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-13 13:32:05,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-13 13:32:05,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-13 13:32:05,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-13 13:32:05,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-13 13:32:05,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-13 13:32:05,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-13 13:32:05,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-13 13:32:05,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-13 13:32:05,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-13 13:32:05,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-13 13:32:05,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-11-13 13:32:05,871 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2024-11-13 13:32:05,871 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2024-11-13 13:32:05,871 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2024-11-13 13:32:05,871 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2024-11-13 13:32:05,871 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2024-11-13 13:32:05,871 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2024-11-13 13:32:05,871 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 13:32:05,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 13:32:05,871 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2024-11-13 13:32:05,871 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2024-11-13 13:32:06,114 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 13:32:06,117 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 13:32:07,858 INFO L? ?]: Removed 455 outVars from TransFormulas that were not future-live. [2024-11-13 13:32:07,858 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 13:32:07,898 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 13:32:07,898 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 13:32:07,898 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:32:07 BoogieIcfgContainer [2024-11-13 13:32:07,898 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 13:32:07,907 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 13:32:07,907 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 13:32:07,915 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 13:32:07,915 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 01:32:04" (1/3) ... [2024-11-13 13:32:07,916 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41d36612 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:32:07, skipping insertion in model container [2024-11-13 13:32:07,916 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:32:05" (2/3) ... [2024-11-13 13:32:07,916 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41d36612 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:32:07, skipping insertion in model container [2024-11-13 13:32:07,916 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:32:07" (3/3) ... [2024-11-13 13:32:07,919 INFO L112 eAbstractionObserver]: Analyzing ICFG elevator_spec9_product27.cil.c [2024-11-13 13:32:07,931 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 13:32:07,933 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG elevator_spec9_product27.cil.c that has 25 procedures, 560 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-13 13:32:08,026 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 13:32:08,039 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;@19f47814, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 13:32:08,040 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 13:32:08,045 INFO L276 IsEmpty]: Start isEmpty. Operand has 560 states, 441 states have (on average 1.6938775510204083) internal successors, (747), 462 states have internal predecessors, (747), 93 states have call successors, (93), 24 states have call predecessors, (93), 24 states have return successors, (93), 87 states have call predecessors, (93), 93 states have call successors, (93) [2024-11-13 13:32:08,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-13 13:32:08,088 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:32:08,091 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:32:08,091 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:32:08,097 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:32:08,098 INFO L85 PathProgramCache]: Analyzing trace with hash -1557686945, now seen corresponding path program 1 times [2024-11-13 13:32:08,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:32:08,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682220471] [2024-11-13 13:32:08,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:32:08,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:32:08,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:32:09,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-13 13:32:09,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:32:09,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:32:09,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:32:09,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-13 13:32:09,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:32:09,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-13 13:32:09,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:32:09,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:32:10,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:32:10,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:32:10,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:32:10,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:32:10,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:32:10,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 13:32:10,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:32:10,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-13 13:32:10,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:32:10,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:32:10,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:32:10,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:32:10,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:32:10,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-13 13:32:10,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:32:10,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-13 13:32:10,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:32:10,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-13 13:32:10,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:32:10,179 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 13:32:10,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:32:10,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682220471] [2024-11-13 13:32:10,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [682220471] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:32:10,181 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:32:10,181 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 13:32:10,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221976229] [2024-11-13 13:32:10,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:32:10,194 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 13:32:10,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:32:10,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 13:32:10,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-13 13:32:10,225 INFO L87 Difference]: Start difference. First operand has 560 states, 441 states have (on average 1.6938775510204083) internal successors, (747), 462 states have internal predecessors, (747), 93 states have call successors, (93), 24 states have call predecessors, (93), 24 states have return successors, (93), 87 states have call predecessors, (93), 93 states have call successors, (93) Second operand has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (14), 5 states have call predecessors, (14), 3 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-13 13:32:17,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:32:17,614 INFO L93 Difference]: Finished difference Result 1341 states and 2269 transitions. [2024-11-13 13:32:17,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 13:32:17,617 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (14), 5 states have call predecessors, (14), 3 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 104 [2024-11-13 13:32:17,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:32:17,646 INFO L225 Difference]: With dead ends: 1341 [2024-11-13 13:32:17,646 INFO L226 Difference]: Without dead ends: 793 [2024-11-13 13:32:17,659 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2024-11-13 13:32:17,664 INFO L432 NwaCegarLoop]: 442 mSDtfsCounter, 1430 mSDsluCounter, 1231 mSDsCounter, 0 mSdLazyCounter, 2759 mSolverCounterSat, 352 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1503 SdHoareTripleChecker+Valid, 1673 SdHoareTripleChecker+Invalid, 3111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 352 IncrementalHoareTripleChecker+Valid, 2759 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2024-11-13 13:32:17,665 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1503 Valid, 1673 Invalid, 3111 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [352 Valid, 2759 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2024-11-13 13:32:17,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 793 states. [2024-11-13 13:32:17,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 793 to 552. [2024-11-13 13:32:17,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 552 states, 435 states have (on average 1.6896551724137931) internal successors, (735), 454 states have internal predecessors, (735), 93 states have call successors, (93), 24 states have call predecessors, (93), 23 states have return successors, (88), 86 states have call predecessors, (88), 88 states have call successors, (88) [2024-11-13 13:32:17,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 552 states and 916 transitions. [2024-11-13 13:32:17,923 INFO L78 Accepts]: Start accepts. Automaton has 552 states and 916 transitions. Word has length 104 [2024-11-13 13:32:17,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:32:17,924 INFO L471 AbstractCegarLoop]: Abstraction has 552 states and 916 transitions. [2024-11-13 13:32:17,925 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (14), 5 states have call predecessors, (14), 3 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-13 13:32:17,926 INFO L276 IsEmpty]: Start isEmpty. Operand 552 states and 916 transitions. [2024-11-13 13:32:17,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-13 13:32:17,935 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:32:17,935 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:32:17,936 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 13:32:17,936 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:32:17,936 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:32:17,936 INFO L85 PathProgramCache]: Analyzing trace with hash 1161138253, now seen corresponding path program 1 times [2024-11-13 13:32:17,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:32:17,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985017873] [2024-11-13 13:32:17,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:32:17,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:32:17,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:32:18,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-13 13:32:18,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:32:18,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:32:18,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:32:18,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-13 13:32:18,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:32:18,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-13 13:32:18,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:32:18,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:32:18,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:32:18,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:32:18,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:32:18,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:32:18,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:32:18,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 13:32:18,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:32:18,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-13 13:32:18,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:32:18,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:32:18,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:32:18,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:32:18,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:32:18,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-13 13:32:18,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:32:18,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-13 13:32:18,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:32:18,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-13 13:32:18,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:32:18,949 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 13:32:18,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:32:18,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985017873] [2024-11-13 13:32:18,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1985017873] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:32:18,950 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:32:18,950 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 13:32:18,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140623924] [2024-11-13 13:32:18,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:32:18,951 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 13:32:18,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:32:18,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 13:32:18,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-13 13:32:18,953 INFO L87 Difference]: Start difference. First operand 552 states and 916 transitions. Second operand has 7 states, 7 states have (on average 10.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (14), 5 states have call predecessors, (14), 3 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-13 13:32:25,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:32:25,335 INFO L93 Difference]: Finished difference Result 1327 states and 2231 transitions. [2024-11-13 13:32:25,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 13:32:25,336 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (14), 5 states have call predecessors, (14), 3 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 107 [2024-11-13 13:32:25,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:32:25,347 INFO L225 Difference]: With dead ends: 1327 [2024-11-13 13:32:25,348 INFO L226 Difference]: Without dead ends: 793 [2024-11-13 13:32:25,351 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2024-11-13 13:32:25,354 INFO L432 NwaCegarLoop]: 438 mSDtfsCounter, 1871 mSDsluCounter, 1157 mSDsCounter, 0 mSdLazyCounter, 2714 mSolverCounterSat, 494 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1944 SdHoareTripleChecker+Valid, 1595 SdHoareTripleChecker+Invalid, 3208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 494 IncrementalHoareTripleChecker+Valid, 2714 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2024-11-13 13:32:25,355 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1944 Valid, 1595 Invalid, 3208 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [494 Valid, 2714 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2024-11-13 13:32:25,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 793 states. [2024-11-13 13:32:25,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 793 to 552. [2024-11-13 13:32:25,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 552 states, 435 states have (on average 1.6873563218390804) internal successors, (734), 454 states have internal predecessors, (734), 93 states have call successors, (93), 24 states have call predecessors, (93), 23 states have return successors, (88), 86 states have call predecessors, (88), 88 states have call successors, (88) [2024-11-13 13:32:25,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 552 states and 915 transitions. [2024-11-13 13:32:25,492 INFO L78 Accepts]: Start accepts. Automaton has 552 states and 915 transitions. Word has length 107 [2024-11-13 13:32:25,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:32:25,493 INFO L471 AbstractCegarLoop]: Abstraction has 552 states and 915 transitions. [2024-11-13 13:32:25,493 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (14), 5 states have call predecessors, (14), 3 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-13 13:32:25,493 INFO L276 IsEmpty]: Start isEmpty. Operand 552 states and 915 transitions. [2024-11-13 13:32:25,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-13 13:32:25,498 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:32:25,501 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:32:25,502 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 13:32:25,502 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:32:25,502 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:32:25,502 INFO L85 PathProgramCache]: Analyzing trace with hash 1042860687, now seen corresponding path program 1 times [2024-11-13 13:32:25,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:32:25,503 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744686100] [2024-11-13 13:32:25,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:32:25,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:32:25,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:32:25,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-13 13:32:25,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:32:25,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:32:25,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:32:25,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-13 13:32:25,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:32:26,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 13:32:26,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:32:26,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:32:26,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:32:26,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:32:26,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:32:26,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:32:26,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:32:26,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 13:32:26,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:32:26,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-13 13:32:26,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:32:26,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:32:26,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:32:26,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:32:26,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:32:26,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-13 13:32:26,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:32:26,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-13 13:32:26,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:32:26,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-13 13:32:26,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:32:26,310 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 13:32:26,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:32:26,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744686100] [2024-11-13 13:32:26,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1744686100] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:32:26,311 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:32:26,311 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 13:32:26,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053202134] [2024-11-13 13:32:26,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:32:26,312 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 13:32:26,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:32:26,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 13:32:26,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-13 13:32:26,313 INFO L87 Difference]: Start difference. First operand 552 states and 915 transitions. Second operand has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (14), 5 states have call predecessors, (14), 3 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-13 13:32:32,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:32:32,840 INFO L93 Difference]: Finished difference Result 1327 states and 2230 transitions. [2024-11-13 13:32:32,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 13:32:32,841 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (14), 5 states have call predecessors, (14), 3 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 108 [2024-11-13 13:32:32,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:32:32,850 INFO L225 Difference]: With dead ends: 1327 [2024-11-13 13:32:32,850 INFO L226 Difference]: Without dead ends: 793 [2024-11-13 13:32:32,854 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2024-11-13 13:32:32,855 INFO L432 NwaCegarLoop]: 442 mSDtfsCounter, 966 mSDsluCounter, 1280 mSDsCounter, 0 mSdLazyCounter, 2939 mSolverCounterSat, 201 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1039 SdHoareTripleChecker+Valid, 1722 SdHoareTripleChecker+Invalid, 3140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 201 IncrementalHoareTripleChecker+Valid, 2939 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2024-11-13 13:32:32,855 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1039 Valid, 1722 Invalid, 3140 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [201 Valid, 2939 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2024-11-13 13:32:32,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 793 states. [2024-11-13 13:32:32,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 793 to 552. [2024-11-13 13:32:32,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 552 states, 435 states have (on average 1.6850574712643678) internal successors, (733), 454 states have internal predecessors, (733), 93 states have call successors, (93), 24 states have call predecessors, (93), 23 states have return successors, (88), 86 states have call predecessors, (88), 88 states have call successors, (88) [2024-11-13 13:32:33,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 552 states and 914 transitions. [2024-11-13 13:32:33,002 INFO L78 Accepts]: Start accepts. Automaton has 552 states and 914 transitions. Word has length 108 [2024-11-13 13:32:33,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:32:33,002 INFO L471 AbstractCegarLoop]: Abstraction has 552 states and 914 transitions. [2024-11-13 13:32:33,002 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (14), 5 states have call predecessors, (14), 3 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-13 13:32:33,003 INFO L276 IsEmpty]: Start isEmpty. Operand 552 states and 914 transitions. [2024-11-13 13:32:33,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-13 13:32:33,007 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:32:33,007 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:32:33,007 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 13:32:33,007 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:32:33,008 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:32:33,008 INFO L85 PathProgramCache]: Analyzing trace with hash -1566726391, now seen corresponding path program 1 times [2024-11-13 13:32:33,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:32:33,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676768840] [2024-11-13 13:32:33,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:32:33,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:32:33,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:32:33,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-13 13:32:33,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:32:33,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:32:33,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:32:33,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 13:32:33,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:32:33,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-13 13:32:33,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:32:33,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:32:33,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:32:33,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:32:33,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:32:33,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:32:33,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:32:33,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 13:32:33,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:32:33,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-13 13:32:33,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:32:33,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:32:33,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:32:33,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:32:33,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:32:33,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-13 13:32:33,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:32:33,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-13 13:32:33,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:32:33,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-13 13:32:33,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:32:33,747 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 13:32:33,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:32:33,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676768840] [2024-11-13 13:32:33,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1676768840] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:32:33,748 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:32:33,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 13:32:33,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106639454] [2024-11-13 13:32:33,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:32:33,749 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 13:32:33,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:32:33,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 13:32:33,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-13 13:32:33,750 INFO L87 Difference]: Start difference. First operand 552 states and 914 transitions. Second operand has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (14), 5 states have call predecessors, (14), 3 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-13 13:32:39,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:32:39,986 INFO L93 Difference]: Finished difference Result 1327 states and 2229 transitions. [2024-11-13 13:32:39,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 13:32:39,987 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (14), 5 states have call predecessors, (14), 3 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 109 [2024-11-13 13:32:39,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:32:39,994 INFO L225 Difference]: With dead ends: 1327 [2024-11-13 13:32:39,994 INFO L226 Difference]: Without dead ends: 793 [2024-11-13 13:32:39,997 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2024-11-13 13:32:39,997 INFO L432 NwaCegarLoop]: 440 mSDtfsCounter, 1407 mSDsluCounter, 1221 mSDsCounter, 0 mSdLazyCounter, 2875 mSolverCounterSat, 343 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1480 SdHoareTripleChecker+Valid, 1661 SdHoareTripleChecker+Invalid, 3218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 343 IncrementalHoareTripleChecker+Valid, 2875 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2024-11-13 13:32:39,998 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1480 Valid, 1661 Invalid, 3218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [343 Valid, 2875 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2024-11-13 13:32:40,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 793 states. [2024-11-13 13:32:40,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 793 to 552. [2024-11-13 13:32:40,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 552 states, 435 states have (on average 1.6827586206896552) internal successors, (732), 454 states have internal predecessors, (732), 93 states have call successors, (93), 24 states have call predecessors, (93), 23 states have return successors, (88), 86 states have call predecessors, (88), 88 states have call successors, (88) [2024-11-13 13:32:40,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 552 states and 913 transitions. [2024-11-13 13:32:40,152 INFO L78 Accepts]: Start accepts. Automaton has 552 states and 913 transitions. Word has length 109 [2024-11-13 13:32:40,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:32:40,153 INFO L471 AbstractCegarLoop]: Abstraction has 552 states and 913 transitions. [2024-11-13 13:32:40,153 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (14), 5 states have call predecessors, (14), 3 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-13 13:32:40,153 INFO L276 IsEmpty]: Start isEmpty. Operand 552 states and 913 transitions. [2024-11-13 13:32:40,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-13 13:32:40,157 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:32:40,157 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:32:40,157 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 13:32:40,157 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:32:40,158 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:32:40,158 INFO L85 PathProgramCache]: Analyzing trace with hash 197470283, now seen corresponding path program 1 times [2024-11-13 13:32:40,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:32:40,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530760875] [2024-11-13 13:32:40,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:32:40,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:32:40,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:32:40,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-13 13:32:40,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:32:40,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:32:40,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:32:40,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 13:32:40,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:32:40,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-13 13:32:40,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:32:40,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:32:40,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:32:40,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:32:40,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:32:40,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:32:40,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:32:40,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 13:32:40,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:32:40,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-13 13:32:40,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:32:40,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:32:40,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:32:40,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:32:40,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:32:40,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-13 13:32:40,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:32:40,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-13 13:32:40,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:32:40,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-13 13:32:40,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:32:40,903 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 13:32:40,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:32:40,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530760875] [2024-11-13 13:32:40,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [530760875] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:32:40,903 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:32:40,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 13:32:40,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753221452] [2024-11-13 13:32:40,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:32:40,904 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 13:32:40,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:32:40,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 13:32:40,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-13 13:32:40,905 INFO L87 Difference]: Start difference. First operand 552 states and 913 transitions. Second operand has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (14), 5 states have call predecessors, (14), 3 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-13 13:32:46,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:32:46,879 INFO L93 Difference]: Finished difference Result 1327 states and 2228 transitions. [2024-11-13 13:32:46,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 13:32:46,880 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (14), 5 states have call predecessors, (14), 3 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 110 [2024-11-13 13:32:46,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:32:46,885 INFO L225 Difference]: With dead ends: 1327 [2024-11-13 13:32:46,886 INFO L226 Difference]: Without dead ends: 793 [2024-11-13 13:32:46,888 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2024-11-13 13:32:46,889 INFO L432 NwaCegarLoop]: 441 mSDtfsCounter, 1855 mSDsluCounter, 1163 mSDsCounter, 0 mSdLazyCounter, 2720 mSolverCounterSat, 486 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1928 SdHoareTripleChecker+Valid, 1604 SdHoareTripleChecker+Invalid, 3206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 486 IncrementalHoareTripleChecker+Valid, 2720 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2024-11-13 13:32:46,890 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1928 Valid, 1604 Invalid, 3206 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [486 Valid, 2720 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2024-11-13 13:32:46,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 793 states. [2024-11-13 13:32:47,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 793 to 552. [2024-11-13 13:32:47,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 552 states, 435 states have (on average 1.6804597701149426) internal successors, (731), 454 states have internal predecessors, (731), 93 states have call successors, (93), 24 states have call predecessors, (93), 23 states have return successors, (88), 86 states have call predecessors, (88), 88 states have call successors, (88) [2024-11-13 13:32:47,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 552 states and 912 transitions. [2024-11-13 13:32:47,050 INFO L78 Accepts]: Start accepts. Automaton has 552 states and 912 transitions. Word has length 110 [2024-11-13 13:32:47,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:32:47,050 INFO L471 AbstractCegarLoop]: Abstraction has 552 states and 912 transitions. [2024-11-13 13:32:47,051 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (14), 5 states have call predecessors, (14), 3 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-13 13:32:47,051 INFO L276 IsEmpty]: Start isEmpty. Operand 552 states and 912 transitions. [2024-11-13 13:32:47,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-13 13:32:47,054 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:32:47,055 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:32:47,055 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-13 13:32:47,055 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:32:47,056 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:32:47,056 INFO L85 PathProgramCache]: Analyzing trace with hash 110009797, now seen corresponding path program 1 times [2024-11-13 13:32:47,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:32:47,056 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18517138] [2024-11-13 13:32:47,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:32:47,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:32:47,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:32:47,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-13 13:32:47,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:32:47,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:32:47,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:32:47,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 13:32:47,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:32:47,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 13:32:47,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:32:47,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:32:47,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:32:47,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:32:47,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:32:47,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:32:47,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:32:47,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 13:32:47,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:32:47,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-13 13:32:47,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:32:47,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:32:47,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:32:47,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:32:47,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:32:47,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-13 13:32:47,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:32:47,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-13 13:32:47,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:32:47,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-13 13:32:47,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:32:47,865 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 13:32:47,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:32:47,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18517138] [2024-11-13 13:32:47,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [18517138] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:32:47,866 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:32:47,866 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 13:32:47,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122771127] [2024-11-13 13:32:47,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:32:47,867 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 13:32:47,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:32:47,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 13:32:47,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-13 13:32:47,868 INFO L87 Difference]: Start difference. First operand 552 states and 912 transitions. Second operand has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (14), 5 states have call predecessors, (14), 3 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-13 13:32:53,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:32:53,449 INFO L93 Difference]: Finished difference Result 1299 states and 2169 transitions. [2024-11-13 13:32:53,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 13:32:53,450 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (14), 5 states have call predecessors, (14), 3 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 111 [2024-11-13 13:32:53,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:32:53,454 INFO L225 Difference]: With dead ends: 1299 [2024-11-13 13:32:53,454 INFO L226 Difference]: Without dead ends: 805 [2024-11-13 13:32:53,456 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2024-11-13 13:32:53,457 INFO L432 NwaCegarLoop]: 440 mSDtfsCounter, 1933 mSDsluCounter, 1161 mSDsCounter, 0 mSdLazyCounter, 2691 mSolverCounterSat, 491 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2006 SdHoareTripleChecker+Valid, 1601 SdHoareTripleChecker+Invalid, 3182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 491 IncrementalHoareTripleChecker+Valid, 2691 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-11-13 13:32:53,458 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2006 Valid, 1601 Invalid, 3182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [491 Valid, 2691 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2024-11-13 13:32:53,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 805 states. [2024-11-13 13:32:53,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 805 to 552. [2024-11-13 13:32:53,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 552 states, 435 states have (on average 1.6689655172413793) internal successors, (726), 454 states have internal predecessors, (726), 93 states have call successors, (93), 24 states have call predecessors, (93), 23 states have return successors, (88), 86 states have call predecessors, (88), 88 states have call successors, (88) [2024-11-13 13:32:53,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 552 states and 907 transitions. [2024-11-13 13:32:53,585 INFO L78 Accepts]: Start accepts. Automaton has 552 states and 907 transitions. Word has length 111 [2024-11-13 13:32:53,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:32:53,586 INFO L471 AbstractCegarLoop]: Abstraction has 552 states and 907 transitions. [2024-11-13 13:32:53,586 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (14), 5 states have call predecessors, (14), 3 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-13 13:32:53,586 INFO L276 IsEmpty]: Start isEmpty. Operand 552 states and 907 transitions. [2024-11-13 13:32:53,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-13 13:32:53,590 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:32:53,590 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:32:53,590 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-13 13:32:53,590 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:32:53,590 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:32:53,591 INFO L85 PathProgramCache]: Analyzing trace with hash -1278989407, now seen corresponding path program 1 times [2024-11-13 13:32:53,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:32:53,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642898272] [2024-11-13 13:32:53,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:32:53,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:32:53,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:32:53,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-13 13:32:53,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:32:53,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:32:53,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:32:53,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 13:32:53,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:32:54,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-13 13:32:54,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:32:54,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:32:54,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:32:54,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:32:54,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:32:54,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:32:54,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:32:54,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 13:32:54,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:32:54,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-13 13:32:54,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:32:54,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:32:54,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:32:54,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:32:54,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:32:54,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-13 13:32:54,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:32:54,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-13 13:32:54,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:32:54,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-13 13:32:54,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:32:54,367 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 13:32:54,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:32:54,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642898272] [2024-11-13 13:32:54,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [642898272] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:32:54,368 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:32:54,368 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 13:32:54,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846805808] [2024-11-13 13:32:54,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:32:54,369 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 13:32:54,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:32:54,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 13:32:54,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-13 13:32:54,370 INFO L87 Difference]: Start difference. First operand 552 states and 907 transitions. Second operand has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (14), 5 states have call predecessors, (14), 3 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-13 13:32:59,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:32:59,905 INFO L93 Difference]: Finished difference Result 1299 states and 2164 transitions. [2024-11-13 13:32:59,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 13:32:59,905 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (14), 5 states have call predecessors, (14), 3 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 112 [2024-11-13 13:32:59,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:32:59,910 INFO L225 Difference]: With dead ends: 1299 [2024-11-13 13:32:59,910 INFO L226 Difference]: Without dead ends: 805 [2024-11-13 13:32:59,913 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2024-11-13 13:32:59,913 INFO L432 NwaCegarLoop]: 436 mSDtfsCounter, 1490 mSDsluCounter, 1205 mSDsCounter, 0 mSdLazyCounter, 2715 mSolverCounterSat, 355 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1563 SdHoareTripleChecker+Valid, 1641 SdHoareTripleChecker+Invalid, 3070 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 355 IncrementalHoareTripleChecker+Valid, 2715 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-11-13 13:32:59,914 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1563 Valid, 1641 Invalid, 3070 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [355 Valid, 2715 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2024-11-13 13:32:59,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 805 states. [2024-11-13 13:33:00,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 805 to 552. [2024-11-13 13:33:00,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 552 states, 435 states have (on average 1.657471264367816) internal successors, (721), 454 states have internal predecessors, (721), 93 states have call successors, (93), 24 states have call predecessors, (93), 23 states have return successors, (88), 86 states have call predecessors, (88), 88 states have call successors, (88) [2024-11-13 13:33:00,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 552 states and 902 transitions. [2024-11-13 13:33:00,069 INFO L78 Accepts]: Start accepts. Automaton has 552 states and 902 transitions. Word has length 112 [2024-11-13 13:33:00,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:33:00,069 INFO L471 AbstractCegarLoop]: Abstraction has 552 states and 902 transitions. [2024-11-13 13:33:00,070 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (14), 5 states have call predecessors, (14), 3 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-13 13:33:00,070 INFO L276 IsEmpty]: Start isEmpty. Operand 552 states and 902 transitions. [2024-11-13 13:33:00,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-13 13:33:00,074 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:33:00,074 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:33:00,074 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-13 13:33:00,074 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:33:00,075 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:33:00,075 INFO L85 PathProgramCache]: Analyzing trace with hash -706498678, now seen corresponding path program 1 times [2024-11-13 13:33:00,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:33:00,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906505737] [2024-11-13 13:33:00,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:33:00,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:33:00,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:33:00,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-13 13:33:00,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:33:00,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:33:00,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:33:00,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 13:33:00,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:33:00,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-13 13:33:00,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:33:00,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:33:00,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:33:00,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:33:00,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:33:00,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:33:00,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:33:00,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 13:33:00,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:33:00,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-13 13:33:00,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:33:00,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:33:00,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:33:00,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:33:00,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:33:00,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-13 13:33:00,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:33:00,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-13 13:33:00,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:33:00,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-13 13:33:00,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:33:00,945 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 13:33:00,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:33:00,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [906505737] [2024-11-13 13:33:00,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [906505737] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:33:00,946 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:33:00,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-13 13:33:00,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900669928] [2024-11-13 13:33:00,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:33:00,947 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 13:33:00,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:33:00,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 13:33:00,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-13 13:33:00,948 INFO L87 Difference]: Start difference. First operand 552 states and 902 transitions. Second operand has 10 states, 9 states have (on average 8.444444444444445) internal successors, (76), 6 states have internal predecessors, (76), 3 states have call successors, (14), 5 states have call predecessors, (14), 4 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-13 13:33:09,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:33:09,126 INFO L93 Difference]: Finished difference Result 1304 states and 2168 transitions. [2024-11-13 13:33:09,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-13 13:33:09,127 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 8.444444444444445) internal successors, (76), 6 states have internal predecessors, (76), 3 states have call successors, (14), 5 states have call predecessors, (14), 4 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 113 [2024-11-13 13:33:09,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:33:09,132 INFO L225 Difference]: With dead ends: 1304 [2024-11-13 13:33:09,132 INFO L226 Difference]: Without dead ends: 819 [2024-11-13 13:33:09,136 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=94, Invalid=326, Unknown=0, NotChecked=0, Total=420 [2024-11-13 13:33:09,136 INFO L432 NwaCegarLoop]: 444 mSDtfsCounter, 1493 mSDsluCounter, 2514 mSDsCounter, 0 mSdLazyCounter, 5110 mSolverCounterSat, 349 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1567 SdHoareTripleChecker+Valid, 2958 SdHoareTripleChecker+Invalid, 5459 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 349 IncrementalHoareTripleChecker+Valid, 5110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2024-11-13 13:33:09,136 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1567 Valid, 2958 Invalid, 5459 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [349 Valid, 5110 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2024-11-13 13:33:09,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 819 states. [2024-11-13 13:33:09,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 819 to 565. [2024-11-13 13:33:09,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 565 states, 445 states have (on average 1.6539325842696628) internal successors, (736), 466 states have internal predecessors, (736), 94 states have call successors, (94), 24 states have call predecessors, (94), 25 states have return successors, (91), 87 states have call predecessors, (91), 89 states have call successors, (91) [2024-11-13 13:33:09,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 565 states and 921 transitions. [2024-11-13 13:33:09,315 INFO L78 Accepts]: Start accepts. Automaton has 565 states and 921 transitions. Word has length 113 [2024-11-13 13:33:09,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:33:09,315 INFO L471 AbstractCegarLoop]: Abstraction has 565 states and 921 transitions. [2024-11-13 13:33:09,315 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 8.444444444444445) internal successors, (76), 6 states have internal predecessors, (76), 3 states have call successors, (14), 5 states have call predecessors, (14), 4 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-13 13:33:09,315 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 921 transitions. [2024-11-13 13:33:09,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-13 13:33:09,320 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:33:09,320 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:33:09,320 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-13 13:33:09,320 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:33:09,320 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:33:09,320 INFO L85 PathProgramCache]: Analyzing trace with hash -1234864279, now seen corresponding path program 1 times [2024-11-13 13:33:09,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:33:09,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130535879] [2024-11-13 13:33:09,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:33:09,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:33:09,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:33:09,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-13 13:33:09,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:33:09,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:33:09,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:33:09,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 13:33:09,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:33:09,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-13 13:33:09,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:33:09,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:33:09,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:33:09,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:33:09,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:33:09,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:33:09,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:33:09,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 13:33:09,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:33:09,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-13 13:33:09,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:33:09,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:33:09,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:33:09,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:33:09,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:33:10,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-13 13:33:10,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:33:10,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-13 13:33:10,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:33:10,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-13 13:33:10,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:33:10,008 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 13:33:10,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:33:10,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1130535879] [2024-11-13 13:33:10,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1130535879] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:33:10,008 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:33:10,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 13:33:10,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965981292] [2024-11-13 13:33:10,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:33:10,009 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 13:33:10,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:33:10,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 13:33:10,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-13 13:33:10,010 INFO L87 Difference]: Start difference. First operand 565 states and 921 transitions. Second operand has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (14), 5 states have call predecessors, (14), 3 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-13 13:33:15,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:33:15,841 INFO L93 Difference]: Finished difference Result 1330 states and 2210 transitions. [2024-11-13 13:33:15,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 13:33:15,842 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (14), 5 states have call predecessors, (14), 3 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 113 [2024-11-13 13:33:15,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:33:15,848 INFO L225 Difference]: With dead ends: 1330 [2024-11-13 13:33:15,849 INFO L226 Difference]: Without dead ends: 827 [2024-11-13 13:33:15,852 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2024-11-13 13:33:15,852 INFO L432 NwaCegarLoop]: 440 mSDtfsCounter, 1464 mSDsluCounter, 1221 mSDsCounter, 0 mSdLazyCounter, 2789 mSolverCounterSat, 350 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1537 SdHoareTripleChecker+Valid, 1661 SdHoareTripleChecker+Invalid, 3139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 350 IncrementalHoareTripleChecker+Valid, 2789 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2024-11-13 13:33:15,853 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1537 Valid, 1661 Invalid, 3139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [350 Valid, 2789 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2024-11-13 13:33:15,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 827 states. [2024-11-13 13:33:16,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 827 to 565. [2024-11-13 13:33:16,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 565 states, 445 states have (on average 1.6426966292134833) internal successors, (731), 466 states have internal predecessors, (731), 94 states have call successors, (94), 24 states have call predecessors, (94), 25 states have return successors, (91), 87 states have call predecessors, (91), 89 states have call successors, (91) [2024-11-13 13:33:16,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 565 states and 916 transitions. [2024-11-13 13:33:16,026 INFO L78 Accepts]: Start accepts. Automaton has 565 states and 916 transitions. Word has length 113 [2024-11-13 13:33:16,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:33:16,026 INFO L471 AbstractCegarLoop]: Abstraction has 565 states and 916 transitions. [2024-11-13 13:33:16,027 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (14), 5 states have call predecessors, (14), 3 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-13 13:33:16,027 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 916 transitions. [2024-11-13 13:33:16,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-13 13:33:16,030 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:33:16,030 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:33:16,030 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-13 13:33:16,030 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:33:16,031 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:33:16,031 INFO L85 PathProgramCache]: Analyzing trace with hash 816151591, now seen corresponding path program 1 times [2024-11-13 13:33:16,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:33:16,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305449033] [2024-11-13 13:33:16,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:33:16,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:33:16,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:33:16,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-13 13:33:16,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:33:16,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:33:16,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:33:16,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 13:33:16,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:33:16,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 13:33:16,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:33:16,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:33:16,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:33:16,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:33:16,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:33:16,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:33:16,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:33:16,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 13:33:16,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:33:16,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-13 13:33:16,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:33:16,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:33:16,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:33:16,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:33:16,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:33:16,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-13 13:33:16,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:33:16,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-13 13:33:16,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:33:16,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-13 13:33:16,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:33:16,805 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 13:33:16,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:33:16,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305449033] [2024-11-13 13:33:16,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [305449033] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:33:16,806 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:33:16,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-13 13:33:16,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114200508] [2024-11-13 13:33:16,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:33:16,806 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 13:33:16,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:33:16,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 13:33:16,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-13 13:33:16,807 INFO L87 Difference]: Start difference. First operand 565 states and 916 transitions. Second operand has 10 states, 9 states have (on average 8.555555555555555) internal successors, (77), 6 states have internal predecessors, (77), 3 states have call successors, (14), 5 states have call predecessors, (14), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-13 13:33:24,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:33:24,757 INFO L93 Difference]: Finished difference Result 1307 states and 2165 transitions. [2024-11-13 13:33:24,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 13:33:24,758 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 8.555555555555555) internal successors, (77), 6 states have internal predecessors, (77), 3 states have call successors, (14), 5 states have call predecessors, (14), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 114 [2024-11-13 13:33:24,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:33:24,763 INFO L225 Difference]: With dead ends: 1307 [2024-11-13 13:33:24,763 INFO L226 Difference]: Without dead ends: 819 [2024-11-13 13:33:24,766 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=74, Invalid=268, Unknown=0, NotChecked=0, Total=342 [2024-11-13 13:33:24,767 INFO L432 NwaCegarLoop]: 441 mSDtfsCounter, 1435 mSDsluCounter, 2511 mSDsCounter, 0 mSdLazyCounter, 5100 mSolverCounterSat, 349 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1509 SdHoareTripleChecker+Valid, 2952 SdHoareTripleChecker+Invalid, 5449 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 349 IncrementalHoareTripleChecker+Valid, 5100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2024-11-13 13:33:24,767 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1509 Valid, 2952 Invalid, 5449 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [349 Valid, 5100 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2024-11-13 13:33:24,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 819 states. [2024-11-13 13:33:24,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 819 to 565. [2024-11-13 13:33:24,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 565 states, 445 states have (on average 1.6404494382022472) internal successors, (730), 466 states have internal predecessors, (730), 94 states have call successors, (94), 24 states have call predecessors, (94), 25 states have return successors, (91), 87 states have call predecessors, (91), 89 states have call successors, (91) [2024-11-13 13:33:24,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 565 states and 915 transitions. [2024-11-13 13:33:24,963 INFO L78 Accepts]: Start accepts. Automaton has 565 states and 915 transitions. Word has length 114 [2024-11-13 13:33:24,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:33:24,964 INFO L471 AbstractCegarLoop]: Abstraction has 565 states and 915 transitions. [2024-11-13 13:33:24,964 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 8.555555555555555) internal successors, (77), 6 states have internal predecessors, (77), 3 states have call successors, (14), 5 states have call predecessors, (14), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-13 13:33:24,964 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 915 transitions. [2024-11-13 13:33:24,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-13 13:33:24,967 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:33:24,967 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:33:24,967 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-13 13:33:24,967 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:33:24,968 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:33:24,968 INFO L85 PathProgramCache]: Analyzing trace with hash 1343173383, now seen corresponding path program 1 times [2024-11-13 13:33:24,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:33:24,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732506305] [2024-11-13 13:33:24,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:33:24,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:33:24,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:33:25,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-13 13:33:25,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:33:25,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:33:25,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:33:25,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 13:33:25,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:33:25,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 13:33:25,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:33:25,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:33:25,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:33:25,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:33:25,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:33:25,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:33:25,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:33:25,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 13:33:25,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:33:25,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-13 13:33:25,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:33:25,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:33:25,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:33:25,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:33:25,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:33:25,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-13 13:33:25,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:33:25,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-13 13:33:25,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:33:25,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-13 13:33:25,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:33:25,629 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 13:33:25,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:33:25,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1732506305] [2024-11-13 13:33:25,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1732506305] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:33:25,630 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:33:25,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 13:33:25,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448030555] [2024-11-13 13:33:25,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:33:25,631 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 13:33:25,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:33:25,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 13:33:25,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-13 13:33:25,632 INFO L87 Difference]: Start difference. First operand 565 states and 915 transitions. Second operand has 7 states, 7 states have (on average 11.0) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (14), 5 states have call predecessors, (14), 3 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-13 13:33:31,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:33:31,440 INFO L93 Difference]: Finished difference Result 1330 states and 2201 transitions. [2024-11-13 13:33:31,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 13:33:31,440 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (14), 5 states have call predecessors, (14), 3 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 114 [2024-11-13 13:33:31,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:33:31,446 INFO L225 Difference]: With dead ends: 1330 [2024-11-13 13:33:31,446 INFO L226 Difference]: Without dead ends: 827 [2024-11-13 13:33:31,448 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2024-11-13 13:33:31,449 INFO L432 NwaCegarLoop]: 439 mSDtfsCounter, 1466 mSDsluCounter, 1219 mSDsCounter, 0 mSdLazyCounter, 2768 mSolverCounterSat, 351 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1539 SdHoareTripleChecker+Valid, 1658 SdHoareTripleChecker+Invalid, 3119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 351 IncrementalHoareTripleChecker+Valid, 2768 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2024-11-13 13:33:31,449 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1539 Valid, 1658 Invalid, 3119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [351 Valid, 2768 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2024-11-13 13:33:31,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 827 states. [2024-11-13 13:33:31,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 827 to 565. [2024-11-13 13:33:31,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 565 states, 445 states have (on average 1.6292134831460674) internal successors, (725), 466 states have internal predecessors, (725), 94 states have call successors, (94), 24 states have call predecessors, (94), 25 states have return successors, (91), 87 states have call predecessors, (91), 89 states have call successors, (91) [2024-11-13 13:33:31,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 565 states and 910 transitions. [2024-11-13 13:33:31,652 INFO L78 Accepts]: Start accepts. Automaton has 565 states and 910 transitions. Word has length 114 [2024-11-13 13:33:31,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:33:31,653 INFO L471 AbstractCegarLoop]: Abstraction has 565 states and 910 transitions. [2024-11-13 13:33:31,653 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (14), 5 states have call predecessors, (14), 3 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-13 13:33:31,653 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 910 transitions. [2024-11-13 13:33:31,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-13 13:33:31,656 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:33:31,656 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:33:31,656 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-13 13:33:31,656 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:33:31,657 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:33:31,657 INFO L85 PathProgramCache]: Analyzing trace with hash -808459572, now seen corresponding path program 1 times [2024-11-13 13:33:31,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:33:31,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237223561] [2024-11-13 13:33:31,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:33:31,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:33:31,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:33:31,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-13 13:33:31,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:33:31,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:33:31,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:33:31,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 13:33:31,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:33:32,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-13 13:33:32,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:33:32,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:33:32,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:33:32,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:33:32,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:33:32,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:33:32,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:33:32,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 13:33:32,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:33:32,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-13 13:33:32,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:33:32,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:33:32,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:33:32,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:33:32,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:33:32,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-13 13:33:32,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:33:32,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-13 13:33:32,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:33:32,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-13 13:33:32,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:33:32,406 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 13:33:32,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:33:32,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1237223561] [2024-11-13 13:33:32,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1237223561] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:33:32,406 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:33:32,407 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-13 13:33:32,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34967317] [2024-11-13 13:33:32,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:33:32,407 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 13:33:32,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:33:32,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 13:33:32,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-13 13:33:32,408 INFO L87 Difference]: Start difference. First operand 565 states and 910 transitions. Second operand has 10 states, 9 states have (on average 8.666666666666666) internal successors, (78), 6 states have internal predecessors, (78), 3 states have call successors, (14), 5 states have call predecessors, (14), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-13 13:33:39,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:33:39,985 INFO L93 Difference]: Finished difference Result 1316 states and 2169 transitions. [2024-11-13 13:33:39,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 13:33:39,986 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 8.666666666666666) internal successors, (78), 6 states have internal predecessors, (78), 3 states have call successors, (14), 5 states have call predecessors, (14), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 115 [2024-11-13 13:33:39,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:33:39,989 INFO L225 Difference]: With dead ends: 1316 [2024-11-13 13:33:39,989 INFO L226 Difference]: Without dead ends: 825 [2024-11-13 13:33:39,991 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=74, Invalid=268, Unknown=0, NotChecked=0, Total=342 [2024-11-13 13:33:39,991 INFO L432 NwaCegarLoop]: 444 mSDtfsCounter, 1894 mSDsluCounter, 2466 mSDsCounter, 0 mSdLazyCounter, 4881 mSolverCounterSat, 491 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1968 SdHoareTripleChecker+Valid, 2910 SdHoareTripleChecker+Invalid, 5372 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 491 IncrementalHoareTripleChecker+Valid, 4881 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2024-11-13 13:33:39,992 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1968 Valid, 2910 Invalid, 5372 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [491 Valid, 4881 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2024-11-13 13:33:39,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 825 states. [2024-11-13 13:33:40,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 825 to 568. [2024-11-13 13:33:40,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 568 states, 448 states have (on average 1.6227678571428572) internal successors, (727), 469 states have internal predecessors, (727), 94 states have call successors, (94), 24 states have call predecessors, (94), 25 states have return successors, (91), 87 states have call predecessors, (91), 89 states have call successors, (91) [2024-11-13 13:33:40,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 568 states and 912 transitions. [2024-11-13 13:33:40,174 INFO L78 Accepts]: Start accepts. Automaton has 568 states and 912 transitions. Word has length 115 [2024-11-13 13:33:40,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:33:40,174 INFO L471 AbstractCegarLoop]: Abstraction has 568 states and 912 transitions. [2024-11-13 13:33:40,174 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 8.666666666666666) internal successors, (78), 6 states have internal predecessors, (78), 3 states have call successors, (14), 5 states have call predecessors, (14), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-13 13:33:40,174 INFO L276 IsEmpty]: Start isEmpty. Operand 568 states and 912 transitions. [2024-11-13 13:33:40,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-13 13:33:40,177 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:33:40,177 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:33:40,177 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-13 13:33:40,177 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:33:40,177 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:33:40,177 INFO L85 PathProgramCache]: Analyzing trace with hash 339755374, now seen corresponding path program 1 times [2024-11-13 13:33:40,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:33:40,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506734161] [2024-11-13 13:33:40,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:33:40,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:33:40,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:33:40,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-13 13:33:40,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:33:40,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:33:40,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:33:40,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 13:33:40,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:33:40,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-13 13:33:40,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:33:40,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:33:40,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:33:40,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:33:40,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:33:40,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:33:40,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:33:40,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 13:33:40,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:33:40,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-13 13:33:40,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:33:40,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:33:40,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:33:40,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:33:40,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:33:40,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-13 13:33:40,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:33:40,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-13 13:33:40,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:33:40,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-13 13:33:40,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:33:40,814 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 13:33:40,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:33:40,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506734161] [2024-11-13 13:33:40,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506734161] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:33:40,814 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:33:40,814 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 13:33:40,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005207237] [2024-11-13 13:33:40,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:33:40,815 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 13:33:40,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:33:40,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 13:33:40,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-13 13:33:40,816 INFO L87 Difference]: Start difference. First operand 568 states and 912 transitions. Second operand has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (14), 5 states have call predecessors, (14), 3 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-13 13:33:46,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:33:46,600 INFO L93 Difference]: Finished difference Result 1339 states and 2201 transitions. [2024-11-13 13:33:46,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 13:33:46,600 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (14), 5 states have call predecessors, (14), 3 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 115 [2024-11-13 13:33:46,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:33:46,606 INFO L225 Difference]: With dead ends: 1339 [2024-11-13 13:33:46,606 INFO L226 Difference]: Without dead ends: 833 [2024-11-13 13:33:46,609 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2024-11-13 13:33:46,609 INFO L432 NwaCegarLoop]: 435 mSDtfsCounter, 1013 mSDsluCounter, 1270 mSDsCounter, 0 mSdLazyCounter, 2790 mSolverCounterSat, 209 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1086 SdHoareTripleChecker+Valid, 1705 SdHoareTripleChecker+Invalid, 2999 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 209 IncrementalHoareTripleChecker+Valid, 2790 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2024-11-13 13:33:46,610 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1086 Valid, 1705 Invalid, 2999 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [209 Valid, 2790 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2024-11-13 13:33:46,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 833 states. [2024-11-13 13:33:46,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 833 to 568. [2024-11-13 13:33:46,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 568 states, 448 states have (on average 1.6116071428571428) internal successors, (722), 469 states have internal predecessors, (722), 94 states have call successors, (94), 24 states have call predecessors, (94), 25 states have return successors, (91), 87 states have call predecessors, (91), 89 states have call successors, (91) [2024-11-13 13:33:46,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 568 states and 907 transitions. [2024-11-13 13:33:46,770 INFO L78 Accepts]: Start accepts. Automaton has 568 states and 907 transitions. Word has length 115 [2024-11-13 13:33:46,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:33:46,770 INFO L471 AbstractCegarLoop]: Abstraction has 568 states and 907 transitions. [2024-11-13 13:33:46,770 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (14), 5 states have call predecessors, (14), 3 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-13 13:33:46,770 INFO L276 IsEmpty]: Start isEmpty. Operand 568 states and 907 transitions. [2024-11-13 13:33:46,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-13 13:33:46,773 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:33:46,773 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:33:46,773 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-13 13:33:46,773 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:33:46,774 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:33:46,774 INFO L85 PathProgramCache]: Analyzing trace with hash -1383041972, now seen corresponding path program 1 times [2024-11-13 13:33:46,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:33:46,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613985047] [2024-11-13 13:33:46,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:33:46,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:33:46,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:33:47,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-13 13:33:47,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:33:47,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:33:47,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:33:47,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 13:33:47,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:33:47,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-13 13:33:47,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:33:47,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:33:47,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:33:47,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:33:47,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:33:47,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:33:47,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:33:47,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 13:33:47,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:33:47,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-13 13:33:47,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:33:47,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:33:47,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:33:47,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:33:47,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:33:47,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-13 13:33:47,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:33:47,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-13 13:33:47,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:33:47,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-13 13:33:47,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:33:47,497 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 13:33:47,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:33:47,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613985047] [2024-11-13 13:33:47,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [613985047] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:33:47,497 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:33:47,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 13:33:47,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470311442] [2024-11-13 13:33:47,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:33:47,498 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 13:33:47,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:33:47,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 13:33:47,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-13 13:33:47,499 INFO L87 Difference]: Start difference. First operand 568 states and 907 transitions. Second operand has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (14), 5 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-13 13:33:53,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:33:53,498 INFO L93 Difference]: Finished difference Result 1320 states and 2166 transitions. [2024-11-13 13:33:53,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 13:33:53,498 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (14), 5 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 116 [2024-11-13 13:33:53,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:33:53,502 INFO L225 Difference]: With dead ends: 1320 [2024-11-13 13:33:53,502 INFO L226 Difference]: Without dead ends: 829 [2024-11-13 13:33:53,503 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2024-11-13 13:33:53,504 INFO L432 NwaCegarLoop]: 448 mSDtfsCounter, 1420 mSDsluCounter, 1233 mSDsCounter, 0 mSdLazyCounter, 2695 mSolverCounterSat, 339 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1493 SdHoareTripleChecker+Valid, 1681 SdHoareTripleChecker+Invalid, 3034 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 339 IncrementalHoareTripleChecker+Valid, 2695 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2024-11-13 13:33:53,504 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1493 Valid, 1681 Invalid, 3034 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [339 Valid, 2695 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2024-11-13 13:33:53,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 829 states. [2024-11-13 13:33:53,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 829 to 572. [2024-11-13 13:33:53,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 572 states, 452 states have (on average 1.6039823008849559) internal successors, (725), 473 states have internal predecessors, (725), 94 states have call successors, (94), 24 states have call predecessors, (94), 25 states have return successors, (91), 87 states have call predecessors, (91), 89 states have call successors, (91) [2024-11-13 13:33:53,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 572 states and 910 transitions. [2024-11-13 13:33:53,667 INFO L78 Accepts]: Start accepts. Automaton has 572 states and 910 transitions. Word has length 116 [2024-11-13 13:33:53,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:33:53,667 INFO L471 AbstractCegarLoop]: Abstraction has 572 states and 910 transitions. [2024-11-13 13:33:53,667 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (14), 5 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-13 13:33:53,667 INFO L276 IsEmpty]: Start isEmpty. Operand 572 states and 910 transitions. [2024-11-13 13:33:53,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-13 13:33:53,668 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:33:53,668 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:33:53,668 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-13 13:33:53,669 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:33:53,669 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:33:53,669 INFO L85 PathProgramCache]: Analyzing trace with hash -19638740, now seen corresponding path program 1 times [2024-11-13 13:33:53,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:33:53,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087567276] [2024-11-13 13:33:53,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:33:53,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:33:53,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:33:53,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-13 13:33:53,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:33:53,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:33:53,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:33:53,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 13:33:53,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:33:54,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-13 13:33:54,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:33:54,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:33:54,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:33:54,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:33:54,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:33:54,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:33:54,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:33:54,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 13:33:54,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:33:54,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-13 13:33:54,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:33:54,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:33:54,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:33:54,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:33:54,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:33:54,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-13 13:33:54,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:33:54,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-13 13:33:54,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:33:54,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-13 13:33:54,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:33:54,277 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 13:33:54,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:33:54,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087567276] [2024-11-13 13:33:54,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1087567276] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:33:54,279 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:33:54,279 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 13:33:54,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121413977] [2024-11-13 13:33:54,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:33:54,280 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 13:33:54,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:33:54,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 13:33:54,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-13 13:33:54,281 INFO L87 Difference]: Start difference. First operand 572 states and 910 transitions. Second operand has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (14), 5 states have call predecessors, (14), 3 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-13 13:34:00,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:34:00,242 INFO L93 Difference]: Finished difference Result 1375 states and 2229 transitions. [2024-11-13 13:34:00,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 13:34:00,243 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (14), 5 states have call predecessors, (14), 3 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 116 [2024-11-13 13:34:00,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:34:00,247 INFO L225 Difference]: With dead ends: 1375 [2024-11-13 13:34:00,247 INFO L226 Difference]: Without dead ends: 801 [2024-11-13 13:34:00,248 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2024-11-13 13:34:00,249 INFO L432 NwaCegarLoop]: 441 mSDtfsCounter, 1382 mSDsluCounter, 1223 mSDsCounter, 0 mSdLazyCounter, 2723 mSolverCounterSat, 342 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1455 SdHoareTripleChecker+Valid, 1664 SdHoareTripleChecker+Invalid, 3065 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 342 IncrementalHoareTripleChecker+Valid, 2723 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2024-11-13 13:34:00,249 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1455 Valid, 1664 Invalid, 3065 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [342 Valid, 2723 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2024-11-13 13:34:00,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 801 states. [2024-11-13 13:34:00,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 801 to 553. [2024-11-13 13:34:00,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 553 states, 436 states have (on average 1.6123853211009174) internal successors, (703), 455 states have internal predecessors, (703), 93 states have call successors, (93), 24 states have call predecessors, (93), 23 states have return successors, (88), 86 states have call predecessors, (88), 88 states have call successors, (88) [2024-11-13 13:34:00,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 553 states and 884 transitions. [2024-11-13 13:34:00,438 INFO L78 Accepts]: Start accepts. Automaton has 553 states and 884 transitions. Word has length 116 [2024-11-13 13:34:00,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:34:00,439 INFO L471 AbstractCegarLoop]: Abstraction has 553 states and 884 transitions. [2024-11-13 13:34:00,439 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (14), 5 states have call predecessors, (14), 3 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-13 13:34:00,439 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 884 transitions. [2024-11-13 13:34:00,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-13 13:34:00,441 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:34:00,441 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:34:00,442 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-13 13:34:00,442 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:34:00,442 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:34:00,442 INFO L85 PathProgramCache]: Analyzing trace with hash 528496209, now seen corresponding path program 1 times [2024-11-13 13:34:00,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:34:00,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281911458] [2024-11-13 13:34:00,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:34:00,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:34:00,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:34:00,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-13 13:34:00,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:34:00,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:34:00,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:34:00,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 13:34:00,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:34:01,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-13 13:34:01,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:34:01,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:34:01,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:34:01,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:34:01,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:34:01,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:34:01,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:34:01,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 13:34:01,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:34:01,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-13 13:34:01,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:34:01,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:34:01,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:34:01,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:34:01,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:34:01,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-13 13:34:01,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:34:01,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-13 13:34:01,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:34:01,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-13 13:34:01,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:34:01,171 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 13:34:01,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:34:01,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [281911458] [2024-11-13 13:34:01,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [281911458] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:34:01,174 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:34:01,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-13 13:34:01,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975412941] [2024-11-13 13:34:01,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:34:01,174 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 13:34:01,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:34:01,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 13:34:01,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-13 13:34:01,175 INFO L87 Difference]: Start difference. First operand 553 states and 884 transitions. Second operand has 10 states, 9 states have (on average 8.88888888888889) internal successors, (80), 6 states have internal predecessors, (80), 3 states have call successors, (14), 5 states have call predecessors, (14), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-13 13:34:08,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:34:08,595 INFO L93 Difference]: Finished difference Result 1299 states and 2131 transitions. [2024-11-13 13:34:08,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 13:34:08,596 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 8.88888888888889) internal successors, (80), 6 states have internal predecessors, (80), 3 states have call successors, (14), 5 states have call predecessors, (14), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 117 [2024-11-13 13:34:08,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:34:08,600 INFO L225 Difference]: With dead ends: 1299 [2024-11-13 13:34:08,600 INFO L226 Difference]: Without dead ends: 811 [2024-11-13 13:34:08,602 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=74, Invalid=268, Unknown=0, NotChecked=0, Total=342 [2024-11-13 13:34:08,602 INFO L432 NwaCegarLoop]: 435 mSDtfsCounter, 1411 mSDsluCounter, 2484 mSDsCounter, 0 mSdLazyCounter, 4797 mSolverCounterSat, 355 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1484 SdHoareTripleChecker+Valid, 2919 SdHoareTripleChecker+Invalid, 5152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 355 IncrementalHoareTripleChecker+Valid, 4797 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2024-11-13 13:34:08,603 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1484 Valid, 2919 Invalid, 5152 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [355 Valid, 4797 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2024-11-13 13:34:08,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 811 states. [2024-11-13 13:34:08,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 811 to 558. [2024-11-13 13:34:08,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 558 states, 441 states have (on average 1.6054421768707483) internal successors, (708), 460 states have internal predecessors, (708), 93 states have call successors, (93), 24 states have call predecessors, (93), 23 states have return successors, (88), 86 states have call predecessors, (88), 88 states have call successors, (88) [2024-11-13 13:34:08,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 558 states and 889 transitions. [2024-11-13 13:34:08,818 INFO L78 Accepts]: Start accepts. Automaton has 558 states and 889 transitions. Word has length 117 [2024-11-13 13:34:08,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:34:08,819 INFO L471 AbstractCegarLoop]: Abstraction has 558 states and 889 transitions. [2024-11-13 13:34:08,819 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 8.88888888888889) internal successors, (80), 6 states have internal predecessors, (80), 3 states have call successors, (14), 5 states have call predecessors, (14), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-13 13:34:08,819 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 889 transitions. [2024-11-13 13:34:08,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-13 13:34:08,822 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:34:08,822 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:34:08,822 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-13 13:34:08,822 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:34:08,822 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:34:08,823 INFO L85 PathProgramCache]: Analyzing trace with hash -450617727, now seen corresponding path program 1 times [2024-11-13 13:34:08,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:34:08,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057555831] [2024-11-13 13:34:08,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:34:08,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:34:08,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:34:09,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-13 13:34:09,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:34:09,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:34:09,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:34:09,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 13:34:09,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:34:09,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-13 13:34:09,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:34:09,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:34:09,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:34:09,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:34:09,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:34:09,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:34:09,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:34:09,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 13:34:09,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:34:09,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-13 13:34:09,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:34:09,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:34:09,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:34:09,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:34:09,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:34:09,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-13 13:34:09,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:34:09,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-13 13:34:09,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:34:09,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-13 13:34:09,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:34:09,776 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 13:34:09,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:34:09,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2057555831] [2024-11-13 13:34:09,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2057555831] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:34:09,776 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:34:09,776 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-13 13:34:09,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452203845] [2024-11-13 13:34:09,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:34:09,777 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-13 13:34:09,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:34:09,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-13 13:34:09,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210 [2024-11-13 13:34:09,777 INFO L87 Difference]: Start difference. First operand 558 states and 889 transitions. Second operand has 15 states, 15 states have (on average 5.4) internal successors, (81), 9 states have internal predecessors, (81), 4 states have call successors, (14), 5 states have call predecessors, (14), 5 states have return successors, (13), 7 states have call predecessors, (13), 4 states have call successors, (13) [2024-11-13 13:34:20,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:34:20,327 INFO L93 Difference]: Finished difference Result 1300 states and 2172 transitions. [2024-11-13 13:34:20,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 13:34:20,327 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 5.4) internal successors, (81), 9 states have internal predecessors, (81), 4 states have call successors, (14), 5 states have call predecessors, (14), 5 states have return successors, (13), 7 states have call predecessors, (13), 4 states have call successors, (13) Word has length 118 [2024-11-13 13:34:20,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:34:20,332 INFO L225 Difference]: With dead ends: 1300 [2024-11-13 13:34:20,332 INFO L226 Difference]: Without dead ends: 820 [2024-11-13 13:34:20,335 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=156, Invalid=546, Unknown=0, NotChecked=0, Total=702 [2024-11-13 13:34:20,335 INFO L432 NwaCegarLoop]: 335 mSDtfsCounter, 3582 mSDsluCounter, 2166 mSDsCounter, 0 mSdLazyCounter, 7737 mSolverCounterSat, 1223 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3582 SdHoareTripleChecker+Valid, 2501 SdHoareTripleChecker+Invalid, 8960 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1223 IncrementalHoareTripleChecker+Valid, 7737 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2024-11-13 13:34:20,336 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3582 Valid, 2501 Invalid, 8960 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1223 Valid, 7737 Invalid, 0 Unknown, 0 Unchecked, 7.0s Time] [2024-11-13 13:34:20,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 820 states. [2024-11-13 13:34:20,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 820 to 567. [2024-11-13 13:34:20,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 567 states, 448 states have (on average 1.5959821428571428) internal successors, (715), 466 states have internal predecessors, (715), 93 states have call successors, (93), 24 states have call predecessors, (93), 25 states have return successors, (107), 89 states have call predecessors, (107), 88 states have call successors, (107) [2024-11-13 13:34:20,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 567 states and 915 transitions. [2024-11-13 13:34:20,541 INFO L78 Accepts]: Start accepts. Automaton has 567 states and 915 transitions. Word has length 118 [2024-11-13 13:34:20,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:34:20,541 INFO L471 AbstractCegarLoop]: Abstraction has 567 states and 915 transitions. [2024-11-13 13:34:20,541 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 5.4) internal successors, (81), 9 states have internal predecessors, (81), 4 states have call successors, (14), 5 states have call predecessors, (14), 5 states have return successors, (13), 7 states have call predecessors, (13), 4 states have call successors, (13) [2024-11-13 13:34:20,541 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 915 transitions. [2024-11-13 13:34:20,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-13 13:34:20,543 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:34:20,543 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:34:20,544 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-13 13:34:20,544 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:34:20,544 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:34:20,544 INFO L85 PathProgramCache]: Analyzing trace with hash 466082093, now seen corresponding path program 1 times [2024-11-13 13:34:20,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:34:20,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1077876333] [2024-11-13 13:34:20,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:34:20,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:34:20,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:34:20,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-13 13:34:20,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:34:20,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:34:20,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:34:20,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 13:34:20,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:34:21,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-13 13:34:21,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:34:21,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:34:21,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:34:21,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:34:21,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:34:21,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:34:21,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:34:21,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-13 13:34:21,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:34:21,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 13:34:21,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:34:21,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:34:21,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:34:21,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:34:21,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:34:21,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-13 13:34:21,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:34:21,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-13 13:34:21,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:34:21,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-13 13:34:21,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:34:21,398 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 13:34:21,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:34:21,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1077876333] [2024-11-13 13:34:21,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1077876333] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:34:21,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [965067201] [2024-11-13 13:34:21,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:34:21,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:34:21,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e626dc6-9abd-47a2-97bc-0ddc45253463/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:34:21,403 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e626dc6-9abd-47a2-97bc-0ddc45253463/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:34:21,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e626dc6-9abd-47a2-97bc-0ddc45253463/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 13:34:21,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:34:21,794 INFO L255 TraceCheckSpWp]: Trace formula consists of 1468 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 13:34:21,804 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:34:21,850 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 13:34:21,851 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 13:34:21,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [965067201] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:34:21,851 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 13:34:21,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [12] total 13 [2024-11-13 13:34:21,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819570273] [2024-11-13 13:34:21,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:34:21,852 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:34:21,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:34:21,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:34:21,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-11-13 13:34:21,853 INFO L87 Difference]: Start difference. First operand 567 states and 915 transitions. Second operand has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-13 13:34:22,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:34:22,350 INFO L93 Difference]: Finished difference Result 1536 states and 2562 transitions. [2024-11-13 13:34:22,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:34:22,351 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 1 states have call successors, (13) Word has length 119 [2024-11-13 13:34:22,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:34:22,359 INFO L225 Difference]: With dead ends: 1536 [2024-11-13 13:34:22,359 INFO L226 Difference]: Without dead ends: 1047 [2024-11-13 13:34:22,362 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-11-13 13:34:22,363 INFO L432 NwaCegarLoop]: 996 mSDtfsCounter, 861 mSDsluCounter, 788 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 861 SdHoareTripleChecker+Valid, 1784 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 13:34:22,363 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [861 Valid, 1784 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 13:34:22,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1047 states. [2024-11-13 13:34:22,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1047 to 1045. [2024-11-13 13:34:22,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1045 states, 821 states have (on average 1.6297198538367843) internal successors, (1338), 852 states have internal predecessors, (1338), 176 states have call successors, (176), 43 states have call predecessors, (176), 47 states have return successors, (219), 175 states have call predecessors, (219), 171 states have call successors, (219) [2024-11-13 13:34:22,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1045 states to 1045 states and 1733 transitions. [2024-11-13 13:34:22,632 INFO L78 Accepts]: Start accepts. Automaton has 1045 states and 1733 transitions. Word has length 119 [2024-11-13 13:34:22,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:34:22,632 INFO L471 AbstractCegarLoop]: Abstraction has 1045 states and 1733 transitions. [2024-11-13 13:34:22,632 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-13 13:34:22,632 INFO L276 IsEmpty]: Start isEmpty. Operand 1045 states and 1733 transitions. [2024-11-13 13:34:22,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-13 13:34:22,634 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:34:22,635 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:34:22,652 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e626dc6-9abd-47a2-97bc-0ddc45253463/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-13 13:34:22,835 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e626dc6-9abd-47a2-97bc-0ddc45253463/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-13 13:34:22,835 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:34:22,836 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:34:22,836 INFO L85 PathProgramCache]: Analyzing trace with hash 1563512074, now seen corresponding path program 1 times [2024-11-13 13:34:22,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:34:22,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642117979] [2024-11-13 13:34:22,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:34:22,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:34:22,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:34:23,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-13 13:34:23,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:34:23,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:34:23,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:34:23,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 13:34:23,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:34:23,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-13 13:34:23,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:34:23,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:34:23,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:34:23,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:34:23,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:34:23,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:34:23,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:34:23,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-13 13:34:23,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:34:23,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 13:34:23,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:34:23,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:34:23,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:34:23,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:34:23,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:34:23,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-13 13:34:23,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:34:23,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-13 13:34:23,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:34:23,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-13 13:34:23,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:34:23,835 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 13:34:23,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:34:23,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642117979] [2024-11-13 13:34:23,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [642117979] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:34:23,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [127286124] [2024-11-13 13:34:23,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:34:23,835 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:34:23,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e626dc6-9abd-47a2-97bc-0ddc45253463/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:34:23,838 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e626dc6-9abd-47a2-97bc-0ddc45253463/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:34:23,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e626dc6-9abd-47a2-97bc-0ddc45253463/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-13 13:34:24,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:34:24,287 INFO L255 TraceCheckSpWp]: Trace formula consists of 1470 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 13:34:24,292 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:34:24,360 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 13:34:24,360 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 13:34:24,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [127286124] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:34:24,360 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 13:34:24,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [12] total 13 [2024-11-13 13:34:24,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397152238] [2024-11-13 13:34:24,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:34:24,362 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:34:24,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:34:24,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:34:24,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-11-13 13:34:24,363 INFO L87 Difference]: Start difference. First operand 1045 states and 1733 transitions. Second operand has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-13 13:34:25,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:34:25,049 INFO L93 Difference]: Finished difference Result 2972 states and 5034 transitions. [2024-11-13 13:34:25,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:34:25,050 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 1 states have call successors, (13) Word has length 120 [2024-11-13 13:34:25,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:34:25,064 INFO L225 Difference]: With dead ends: 2972 [2024-11-13 13:34:25,064 INFO L226 Difference]: Without dead ends: 2005 [2024-11-13 13:34:25,068 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-11-13 13:34:25,069 INFO L432 NwaCegarLoop]: 950 mSDtfsCounter, 860 mSDsluCounter, 790 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 860 SdHoareTripleChecker+Valid, 1740 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 13:34:25,069 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [860 Valid, 1740 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 13:34:25,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2005 states. [2024-11-13 13:34:25,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2005 to 2002. [2024-11-13 13:34:25,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2002 states, 1568 states have (on average 1.6485969387755102) internal successors, (2585), 1625 states have internal predecessors, (2585), 342 states have call successors, (342), 81 states have call predecessors, (342), 91 states have return successors, (455), 347 states have call predecessors, (455), 337 states have call successors, (455) [2024-11-13 13:34:25,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2002 states to 2002 states and 3382 transitions. [2024-11-13 13:34:25,672 INFO L78 Accepts]: Start accepts. Automaton has 2002 states and 3382 transitions. Word has length 120 [2024-11-13 13:34:25,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:34:25,672 INFO L471 AbstractCegarLoop]: Abstraction has 2002 states and 3382 transitions. [2024-11-13 13:34:25,672 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-13 13:34:25,673 INFO L276 IsEmpty]: Start isEmpty. Operand 2002 states and 3382 transitions. [2024-11-13 13:34:25,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-13 13:34:25,675 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:34:25,675 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:34:25,690 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e626dc6-9abd-47a2-97bc-0ddc45253463/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-13 13:34:25,876 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e626dc6-9abd-47a2-97bc-0ddc45253463/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:34:25,876 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:34:25,876 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:34:25,876 INFO L85 PathProgramCache]: Analyzing trace with hash 1224107023, now seen corresponding path program 1 times [2024-11-13 13:34:25,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:34:25,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336986593] [2024-11-13 13:34:25,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:34:25,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:34:25,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:34:26,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-13 13:34:26,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:34:26,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:34:26,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:34:26,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 13:34:26,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:34:26,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-13 13:34:26,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:34:26,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:34:26,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:34:26,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:34:26,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:34:26,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:34:26,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:34:26,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-13 13:34:26,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:34:26,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 13:34:26,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:34:26,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:34:26,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:34:26,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:34:26,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:34:26,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-13 13:34:26,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:34:26,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-13 13:34:26,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:34:26,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-13 13:34:26,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:34:26,894 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 13:34:26,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:34:26,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336986593] [2024-11-13 13:34:26,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1336986593] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:34:26,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2125430164] [2024-11-13 13:34:26,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:34:26,895 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:34:26,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e626dc6-9abd-47a2-97bc-0ddc45253463/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:34:26,897 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e626dc6-9abd-47a2-97bc-0ddc45253463/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:34:26,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e626dc6-9abd-47a2-97bc-0ddc45253463/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-13 13:34:27,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:34:27,308 INFO L255 TraceCheckSpWp]: Trace formula consists of 1472 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 13:34:27,317 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:34:27,390 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 13:34:27,390 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 13:34:27,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2125430164] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:34:27,390 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 13:34:27,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [12] total 13 [2024-11-13 13:34:27,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153961630] [2024-11-13 13:34:27,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:34:27,391 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:34:27,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:34:27,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:34:27,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-11-13 13:34:27,393 INFO L87 Difference]: Start difference. First operand 2002 states and 3382 transitions. Second operand has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-13 13:34:28,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:34:28,440 INFO L93 Difference]: Finished difference Result 5845 states and 10032 transitions. [2024-11-13 13:34:28,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:34:28,441 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 1 states have call successors, (13) Word has length 121 [2024-11-13 13:34:28,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:34:28,467 INFO L225 Difference]: With dead ends: 5845 [2024-11-13 13:34:28,467 INFO L226 Difference]: Without dead ends: 3921 [2024-11-13 13:34:28,476 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-11-13 13:34:28,477 INFO L432 NwaCegarLoop]: 940 mSDtfsCounter, 858 mSDsluCounter, 792 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 858 SdHoareTripleChecker+Valid, 1732 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 13:34:28,477 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [858 Valid, 1732 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 13:34:28,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3921 states. [2024-11-13 13:34:29,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3921 to 3917. [2024-11-13 13:34:29,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3917 states, 3063 states have (on average 1.6581782566111656) internal successors, (5079), 3172 states have internal predecessors, (5079), 674 states have call successors, (674), 157 states have call predecessors, (674), 179 states have return successors, (963), 691 states have call predecessors, (963), 669 states have call successors, (963) [2024-11-13 13:34:29,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3917 states to 3917 states and 6716 transitions. [2024-11-13 13:34:29,787 INFO L78 Accepts]: Start accepts. Automaton has 3917 states and 6716 transitions. Word has length 121 [2024-11-13 13:34:29,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:34:29,788 INFO L471 AbstractCegarLoop]: Abstraction has 3917 states and 6716 transitions. [2024-11-13 13:34:29,788 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-13 13:34:29,788 INFO L276 IsEmpty]: Start isEmpty. Operand 3917 states and 6716 transitions. [2024-11-13 13:34:29,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-13 13:34:29,791 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:34:29,792 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:34:29,813 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e626dc6-9abd-47a2-97bc-0ddc45253463/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-13 13:34:29,992 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e626dc6-9abd-47a2-97bc-0ddc45253463/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:34:29,993 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:34:29,993 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:34:29,993 INFO L85 PathProgramCache]: Analyzing trace with hash -69832210, now seen corresponding path program 1 times [2024-11-13 13:34:29,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:34:29,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760861999] [2024-11-13 13:34:29,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:34:29,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:34:30,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:34:30,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-13 13:34:30,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:34:30,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:34:30,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:34:30,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 13:34:30,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:34:30,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-13 13:34:30,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:34:30,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:34:30,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:34:30,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:34:30,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:34:30,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:34:30,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:34:30,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-13 13:34:30,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:34:30,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 13:34:30,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:34:30,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:34:30,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:34:30,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:34:30,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:34:30,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-13 13:34:30,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:34:30,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 13:34:30,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:34:30,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-13 13:34:30,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:34:30,955 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-13 13:34:30,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:34:30,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1760861999] [2024-11-13 13:34:30,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1760861999] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:34:30,956 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:34:30,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-13 13:34:30,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850221439] [2024-11-13 13:34:30,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:34:30,957 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-13 13:34:30,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:34:30,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-13 13:34:30,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210 [2024-11-13 13:34:30,958 INFO L87 Difference]: Start difference. First operand 3917 states and 6716 transitions. Second operand has 15 states, 15 states have (on average 5.666666666666667) internal successors, (85), 9 states have internal predecessors, (85), 4 states have call successors, (14), 5 states have call predecessors, (14), 5 states have return successors, (13), 7 states have call predecessors, (13), 4 states have call successors, (13) [2024-11-13 13:34:57,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:34:57,181 INFO L93 Difference]: Finished difference Result 15508 states and 29751 transitions. [2024-11-13 13:34:57,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-13 13:34:57,182 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 5.666666666666667) internal successors, (85), 9 states have internal predecessors, (85), 4 states have call successors, (14), 5 states have call predecessors, (14), 5 states have return successors, (13), 7 states have call predecessors, (13), 4 states have call successors, (13) Word has length 123 [2024-11-13 13:34:57,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:34:57,279 INFO L225 Difference]: With dead ends: 15508 [2024-11-13 13:34:57,279 INFO L226 Difference]: Without dead ends: 11669 [2024-11-13 13:34:57,308 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 276 ImplicationChecksByTransitivity, 7.0s TimeCoverageRelationStatistics Valid=283, Invalid=1199, Unknown=0, NotChecked=0, Total=1482 [2024-11-13 13:34:57,309 INFO L432 NwaCegarLoop]: 897 mSDtfsCounter, 5662 mSDsluCounter, 5974 mSDsCounter, 0 mSdLazyCounter, 16738 mSolverCounterSat, 1774 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5662 SdHoareTripleChecker+Valid, 6871 SdHoareTripleChecker+Invalid, 18512 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1774 IncrementalHoareTripleChecker+Valid, 16738 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.0s IncrementalHoareTripleChecker+Time [2024-11-13 13:34:57,309 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5662 Valid, 6871 Invalid, 18512 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1774 Valid, 16738 Invalid, 0 Unknown, 0 Unchecked, 15.0s Time] [2024-11-13 13:34:57,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11669 states. [2024-11-13 13:35:00,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11669 to 9109. [2024-11-13 13:35:00,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9109 states, 6995 states have (on average 1.6424588992137241) internal successors, (11489), 7279 states have internal predecessors, (11489), 1680 states have call successors, (1680), 310 states have call predecessors, (1680), 433 states have return successors, (3176), 1753 states have call predecessors, (3176), 1675 states have call successors, (3176) [2024-11-13 13:35:00,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9109 states to 9109 states and 16345 transitions. [2024-11-13 13:35:00,477 INFO L78 Accepts]: Start accepts. Automaton has 9109 states and 16345 transitions. Word has length 123 [2024-11-13 13:35:00,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:35:00,477 INFO L471 AbstractCegarLoop]: Abstraction has 9109 states and 16345 transitions. [2024-11-13 13:35:00,477 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 5.666666666666667) internal successors, (85), 9 states have internal predecessors, (85), 4 states have call successors, (14), 5 states have call predecessors, (14), 5 states have return successors, (13), 7 states have call predecessors, (13), 4 states have call successors, (13) [2024-11-13 13:35:00,477 INFO L276 IsEmpty]: Start isEmpty. Operand 9109 states and 16345 transitions. [2024-11-13 13:35:00,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-13 13:35:00,485 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:35:00,485 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:35:00,485 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-13 13:35:00,486 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:35:00,486 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:35:00,486 INFO L85 PathProgramCache]: Analyzing trace with hash -1538829264, now seen corresponding path program 1 times [2024-11-13 13:35:00,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:35:00,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27453804] [2024-11-13 13:35:00,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:35:00,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:35:00,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:35:00,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-13 13:35:00,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:35:00,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:35:00,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:35:00,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 13:35:00,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:35:01,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-13 13:35:01,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:35:01,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:35:01,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:35:01,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:35:01,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:35:01,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:35:01,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:35:01,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-13 13:35:01,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:35:01,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 13:35:01,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:35:01,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:35:01,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:35:01,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:35:01,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:35:01,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-13 13:35:01,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:35:01,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-13 13:35:01,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:35:01,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 13:35:01,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:35:01,510 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-13 13:35:01,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:35:01,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [27453804] [2024-11-13 13:35:01,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [27453804] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:35:01,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [728223486] [2024-11-13 13:35:01,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:35:01,511 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:35:01,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e626dc6-9abd-47a2-97bc-0ddc45253463/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:35:01,516 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e626dc6-9abd-47a2-97bc-0ddc45253463/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:35:01,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e626dc6-9abd-47a2-97bc-0ddc45253463/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-13 13:35:01,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:35:01,931 INFO L255 TraceCheckSpWp]: Trace formula consists of 1476 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 13:35:01,935 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:35:01,986 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-13 13:35:01,986 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 13:35:01,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [728223486] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:35:01,987 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 13:35:01,987 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [12] total 13 [2024-11-13 13:35:01,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814524318] [2024-11-13 13:35:01,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:35:01,988 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:35:01,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:35:01,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:35:01,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-11-13 13:35:01,989 INFO L87 Difference]: Start difference. First operand 9109 states and 16345 transitions. Second operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-13 13:35:07,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:35:07,421 INFO L93 Difference]: Finished difference Result 27152 states and 50246 transitions. [2024-11-13 13:35:07,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:35:07,421 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 1 states have call successors, (13) Word has length 124 [2024-11-13 13:35:07,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:35:07,567 INFO L225 Difference]: With dead ends: 27152 [2024-11-13 13:35:07,568 INFO L226 Difference]: Without dead ends: 18129 [2024-11-13 13:35:07,617 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-11-13 13:35:07,619 INFO L432 NwaCegarLoop]: 968 mSDtfsCounter, 858 mSDsluCounter, 796 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 858 SdHoareTripleChecker+Valid, 1764 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 13:35:07,619 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [858 Valid, 1764 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 13:35:07,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18129 states. [2024-11-13 13:35:14,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18129 to 18124. [2024-11-13 13:35:14,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18124 states, 13914 states have (on average 1.6423027166882276) internal successors, (22851), 14476 states have internal predecessors, (22851), 3348 states have call successors, (3348), 614 states have call predecessors, (3348), 861 states have return successors, (7316), 3501 states have call predecessors, (7316), 3343 states have call successors, (7316) [2024-11-13 13:35:14,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18124 states to 18124 states and 33515 transitions. [2024-11-13 13:35:14,432 INFO L78 Accepts]: Start accepts. Automaton has 18124 states and 33515 transitions. Word has length 124 [2024-11-13 13:35:14,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:35:14,433 INFO L471 AbstractCegarLoop]: Abstraction has 18124 states and 33515 transitions. [2024-11-13 13:35:14,434 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-13 13:35:14,434 INFO L276 IsEmpty]: Start isEmpty. Operand 18124 states and 33515 transitions. [2024-11-13 13:35:14,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-13 13:35:14,439 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:35:14,440 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:35:14,463 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e626dc6-9abd-47a2-97bc-0ddc45253463/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-13 13:35:14,640 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e626dc6-9abd-47a2-97bc-0ddc45253463/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-11-13 13:35:14,640 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:35:14,640 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:35:14,640 INFO L85 PathProgramCache]: Analyzing trace with hash -458125583, now seen corresponding path program 1 times [2024-11-13 13:35:14,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:35:14,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773762323] [2024-11-13 13:35:14,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:35:14,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:35:14,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:35:14,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-13 13:35:14,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:35:14,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:35:14,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:35:14,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 13:35:14,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:35:15,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-13 13:35:15,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:35:15,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:35:15,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:35:15,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:35:15,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:35:15,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:35:15,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:35:15,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-13 13:35:15,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:35:15,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 13:35:15,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:35:15,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:35:15,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:35:15,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 13:35:15,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:35:15,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-13 13:35:15,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:35:15,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-13 13:35:15,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:35:15,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-13 13:35:15,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:35:15,394 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 13:35:15,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:35:15,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773762323] [2024-11-13 13:35:15,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [773762323] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:35:15,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1803851492] [2024-11-13 13:35:15,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:35:15,395 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:35:15,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e626dc6-9abd-47a2-97bc-0ddc45253463/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:35:15,397 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e626dc6-9abd-47a2-97bc-0ddc45253463/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:35:15,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e626dc6-9abd-47a2-97bc-0ddc45253463/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-13 13:35:15,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:35:15,782 INFO L255 TraceCheckSpWp]: Trace formula consists of 1476 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 13:35:15,785 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:35:15,818 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 13:35:15,818 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 13:35:15,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1803851492] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:35:15,818 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 13:35:15,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [12] total 13 [2024-11-13 13:35:15,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109993990] [2024-11-13 13:35:15,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:35:15,819 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:35:15,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:35:15,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:35:15,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-11-13 13:35:15,820 INFO L87 Difference]: Start difference. First operand 18124 states and 33515 transitions. Second operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-13 13:35:27,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:35:27,038 INFO L93 Difference]: Finished difference Result 54199 states and 105586 transitions. [2024-11-13 13:35:27,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:35:27,038 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 1 states have call successors, (13) Word has length 123 [2024-11-13 13:35:27,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:35:27,409 INFO L225 Difference]: With dead ends: 54199 [2024-11-13 13:35:27,410 INFO L226 Difference]: Without dead ends: 36149 [2024-11-13 13:35:27,541 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-11-13 13:35:27,542 INFO L432 NwaCegarLoop]: 988 mSDtfsCounter, 855 mSDsluCounter, 798 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 855 SdHoareTripleChecker+Valid, 1786 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 13:35:27,543 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [855 Valid, 1786 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 13:35:27,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36149 states.